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Hitachi C28W40TN, Руководство по обслуживанию

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26

RXD CONNECTIONS

•

 

Pin 11

 is the RS232 receive line from the microcontroller (pin 37) which is routed through to pin 10 when pin 12 is HIGH.

Under normal operating conditions (and when the TV is NOT in service or diagnose modes), pin 10 is disconnected from
pin 12 (and pin 12 of scart2). When the TV is in service mode, a PC can be connected to scart 2 to perform diagnostic
functions on the chassis (see separate section on diagnostic protocols for more information).

I2C CONNECTIONS

I2C CLOCK CONNECTION

•

 

Pin 8

 is the I2C master clock input from the microcontroller (pin 24). When pin 6 of I007 is HIGH, this line is connected to

pin 9, which enables the microcontroller to communicate with other I2C devices on the chassis. Pin 6 is normally LOW
when the TV is in the standby state, or when power is first applied to the chassis.

I2C DATA CONNECTION

•

 

Pin 4 

is the I2C data input from the microcontroller (pin 23). When pin 5 of I007 is HIGH, this line is connected to pin 3,

which enables the microcontroller to communicate with other I2C devices on the chassis. Pin 5 is normally LOW when the
TV is in the standby state, or when power is first applied to the chassis.

74HC4066 (I008) D8 CHASSIS ONLY

INTRODUCTION

The 74HC4066 is a 14-pin high speed CMOS quad bilateral switch. It is used primarily for connecting/disconnecting signals when
out of/in the standby state.

DESCRIPTION

SUPPLY/GROUND CONNECTIONS

•

 

Pins 14 

and

 7

 are the +5V supply and 0V ground connections respectively. This device is always powered up, even when

then television is in the standby state. Capacitor C026 ensures that the supplies are properly de-coupled.

TXD CONNECTIONS

•

 

Pin 1

 is the RS232 Transmit line from the microcontroller (pin 30) which is routed through to pin 2 (DTT Tx) of I007 when

pin 13 is HIGH. Pin 2 is connected with pin 3 of P001, which is in turn connected to the DTT module. When
communicating with the DTT module, pin 13 of I008 is HIGH. However, when communicating with the RS232 on scart 2,
this line must be LOW to prevent simultaneous communications.

RXD CONNECTIONS

•

 

Pin 11

 is the RS232 receive line from the microcontroller (pin 37) which is routed through to pin 10 (DTT Rx) when pin 12

is HIGH. Pin 10 is connected with pin 4 of P001, which is in turn connected to the DTT module. When communicating with
the DTT module, pin 12 of I008 is HIGH. However, when communicating with the RS232 on scart 2, this line must be
LOW to prevent simultaneous communications.

DTT RESET CONNECTION

•

 

Pin 4

 is the DTT reset connection that is routed through to pin 3 when pin 5 is HIGH. Pin 3 is then connected to pin 1 of

P001, which in turn is connected to the DTT module. The DTT reset line is normally HIGH when powering up/down the
DTT module, and is low otherwise.

POWERED CONSOLE

The powered console is used make the A7 and A8/D8 models into full Dolby pro logic sets by amplifying the centre and surround
channels with the addition of a sub woofer.
The amplifiers used for this are three TDA7482 which are mono class D. In this application the Bass output (IC2) is rated at 20W,
and the Centre (IC3) and Surround (IC1) channels are rated at 12W the output being restricted by the supply voltage.
These devices usually require two supplies one positive and one negative but in this case a dummy ground is created for each
amplifier by using a resistive / capacitative divider network. The Bass is supplied from 38V and divided by R11 / R12 and C11+ C16
/ C17 + C18. The Centre and Surround are supplied from 32V which are divided by R56 / R57 and C72 + C77 / C78 + C79 (Centre)
and R50 / R51 and C57 + C64 / C65 + C66(Surround).
The brief principle behind the class D is that the signal is divided in to segments at a rate set by the internal oscillator (the frequency
is set by the R / C components attached to pin 6 in this case approximately 110kHz). This is then amplified and output from pin 1 as
a pulse width modulated square wave form with an amplitude almost equal to the supply voltage. The inductor / capacitor network of
which the speaker is part then filters out most of the fundamental frequency leaving the amplified audio signal.
The class D type amplifiers were chosen because of there high efficiency (low heat losses within the device).
The centre and surround inputs are fed straight forward from the phono sockets to pin 9 of the amplifiers via 470nF capacitors. The
bass uses the left and right outputs from the TV, these signals are passed through an active filter with amplifier(IC9), the output of
which is fed to IC2 pin 9 via R68 and C2.
The only control on the IC is pin 10 which has three level ranges :-

1. 0 to 0.7 V above pin 7 voltage standby (no output at all from pin 1).
2. 1.7 to 2.5V above pin 7 voltage mute (only the 110kHz output can be seen at pin 1).
3. 4 to 5V above pin 7 voltage play range.

As the Bass, centre and surround amplifiers stages are identical, only the bass will be described. On the powered console a fast
falling 5V rail is used to stop pops and squeals when the TV set is turned off or put into standby (removing the 5V), this is applied to

Содержание C28W40TN

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Страница 2: ... 71 DIAGNOSTIC INTERFACE 73 FRANÇAIS 74 SÉCURITÉ 74 CONSIGNES DE SECURITE 74 DESCRIPTION DU CIRCUIT 75 PROCEDURE D ALIGNEMANT DU COFFRET D8 A8 75 FILTRE PEIGNE NUMÉRIQUE 84 MODULATION DE LA VITESSE DE BALAYAGE 84 GROUPE DE CONVERSION NUMÉRIQUE À DOUBLE VISIONNEMENT COFFRET DES FONCTIONS 84 PROCESSEUR D ENTRÉE PHILIPS TDA 9320 85 AMÉLIORATION DE L IMAGE PHILIPS TDA 9178 86 TUNER 86 PROCESSEUR RGB T...

Страница 3: ...UNER 161 RGB PROZESSOR TDA 9330 161 BESCHREIBUNG DES SIGNALWEGS 162 AUDIO SCHALTKREIS 162 AUDIO AUSGABE 163 DOLBY DECODER 163 ABLENKUNG 163 HÖHERE FEATURE BOX 165 NIEDRIGE FEATURE BOX 165 MIKROCONTROLLER ABSCHNITT AUF DER A8 D8 GRUNDPLATTE 166 MIT STROM VERSORGTE KONSOLE 175 DIGITALER TEIL 175 BLOCKSCHALTBILD 177 COFDM EINGANGS FLACHBAUGRUPPE 178 MPEG DECODER UND AV GRAFIK FLACHBAUGRUPPE 187 STECK...

Страница 4: ...danger of electrical shock The service technician must make sure that no protective device built into the instrument by the manufacturer has become defective or inadvertently damaged during servicing CE MARK 1 HITACHI products may contain the CE mark on the rating plate indicating that the product contains parts that have been specifically approved to provide electromagnetic compatibility to desig...

Страница 5: ...dure If the indicator bar goes either end then returns to the centre adjust L201 one turn and then return to step 3 continue this until the indicator bar no longer jumps back to the centre L AFC ALIGNMENT FOR EXPORT MODELS ONLY To reduce the influence of circuit temperature drift let the television warm up by leaving it operating normally for more than two minutes Receive an L signal by selecting ...

Страница 6: ... should go into standby reset lockup supply may have to be removed to restart Audio rail should be tested Q921 source to 0V POWER AND DEFLECTION ADJUSTMENT POWER GOOD LINE Set picture to same conditions as above Measure pin 2 I903 Should be HI if LOW then cut R962 if fitted If HI but no power down timing see below then cut R955 if fitted Check power down logic timing 40mS 300mS After setting power...

Страница 7: ...5 2V rail is within 0 05V SUB BOARD MUST BE BEAB TESTED IN A SET OR CONSOLE STAND HIGH VOLTAGE LIMITER CIRCUIT CHECK Mount the PW board to the set and adjust normally Receive the circle pattern signal Set the contrast and brightness to maximum Add R 470K in parallel with R718 and R718A Check that picture and sound disappear when R is added NOTE High voltage limiter circuit jig R719 R749 2 25 28 47...

Страница 8: ...FEATURE BOX OPERATION CHECK Fit FEATURE BOX onto main board Receiving circle pattern PAL checking the picture quality Check Horizontal line is stable see horizontal line Only for 2897 W35 models Colour bar part is correct see colour bar White part of picture is pure white see greyscale Check the progressive scan 100Hz operation by handset scan key Only for 2897 W35 models Change sharpness CTI comp...

Страница 9: ...ABOLA WIDTH Allow 5 minutes warm up time before adjustment Receive Philips circle pattern Set brightness and contrast to nominal The set should face North or South AC input should be 230V 5V 50Hz Adjust software so that the vertical lines at the outside edges of the screen are adjusted to be roughly vertical Adjust the software so that the approximately vertical lines at the sides of the screen ar...

Страница 10: ...made at 10cd CL Model 7400 o K W30 Models 8700 o K C Model 9300 o K All new models from August 1999 including the W30 the colour temperature should be set to 8700K TEXT BRIGHTNESS Set text pattern to white box test pattern Adjust brightness to 90Cd m 2 CUT OFF ADJUSTMENT Rough Adjustment Set video mode with no signal Turn screen pot of FBT until lines disappear Fine Adjustment Select A V mode with...

Страница 11: ...r Audio Output L R out No error BER under 7 00E 003 Reception Centre Channel ch 41 Video Output No error RGB Output No error right colour Audio Output L R out No error BER under 7 00E 003 Modem RS232 Output from Module Indicate running software status correctly Input to Module Possible to input command PCMCIA Software Upgrade from PC Card Possible to upgrade RF Output Check the function of the RF ...

Страница 12: ...N A Off Panoramic Panoramic On English N A N A On N A 3 C32W35TN A Off Panoramic Panoramic On English 100 Mid On Normal 4 C32W40TN A Off Panoramic Panoramic On English 100 Mid On Normal 5 C32W2000N Off Panoramic Panoramic On English 100 N A On Phantom 6 CL28W30TAN A Off Panoramic Panoramic On English N A N A On N A 7 CL28W35TAN A Off Panoramic Panoramic On English 100 Mid On Phantom 8 CL32W30TAN A...

Страница 13: ...f SGL JBL Off Off Off 1 50 1 1 2 C32W30TN A Off SGL JBL Off Off Off 1 50 N A 1 3 C32W35TN A Off SDS JBL Off Off On 1 50 N A 1 4 C32W40TN A Off SGL JBL Off Off Off 1 50 1 1 5 C32W2000N Off SDS JBL Off Off Off 1 50 N A 1 6 CL28W30TAN A On SGL JBL Off Off On 1 50 N A 1 7 CL28W35TAN A On SDS JBL Off Off On 1 50 N A 1 8 CL32W30TAN A On SGL JBL Off Off On 1 50 N A 1 9 CL32W35TAN A On SDS JBL Off Off On ...

Страница 14: ...are The scan velocity modulation circuit has been designed to improve picture quality i e make the video signal edges steeper by controlling the horizontal scanning velocity of the electron beam in the CRT The velocity modulation circuit produces a compensation signal by adding the RGB components then differentiating The compensation signal is given some current gain applied to the auxiliary coil ...

Страница 15: ...untdown circuit has various windows depending on the incoming signal 50 60Hz VISION I F AMPLIFIER The video signal is demodulated by means of a PLL carrier regenerator This circuit contains a frequency detector and a phase detector During acquisition the frequency detector will tune the VCO to the right frequency After lock in the phase detector controls the VCO so that a stable phase relation bet...

Страница 16: ...uency of 13 75MHz This oscillator is stabilised to this frequency by means of a resonant oscillator 12 MHz The internal VCO is synchronised to the incoming horizontal Hd pulse by means of a PLL with an internal time constant The horizontal drive signal generated by means of a second control loop which compares the phase of the reference signal from the internal VCO with the flyblack pulse The time...

Страница 17: ...om pin 8 of IE02 and feeds the base of Q701 Bipolar 50Hz Q701B MOSFET 100Hz East West drive output can be obtained at pin 3 and is driving the gate of the East West MOSFET Q700 I 2 C is present at pins 10 11 IE02 and 8V supply rails at pins 7 17 Two sets of RGB inputs are available only one set is used for the OSD pins 35 37 the other is for a VGA board which is not fitted AUDIO CIRCUIT The output...

Страница 18: ...vice from I400 in the I2S format and are SD0 Pin Of I400 the Left and Right channel data before Dolby decoding SCK Pin Of I400 the system or bit clock WS Pin Of I400 the word select line provides selection between the Left and Right samples on the SDO Line IFO1 is provided with an 18 432 MHz clock via pin 1 of I400 SYSCLK a reset line from pin 4 and is I2C controlled The Pro logic signals that the...

Страница 19: ...r The outputs are from pins 2 and 9 with the gain setting feedback resistors R602 and R603 connected to pin 5 Pin 1 is the vertical guard which is connected to pin 9 of IE02 if a vertical failure is detected the vertical part of the sandcastle pulse is removed and IE02 blanks the picture to prevent damage to the tube Z615 samples the flyback pulse which is then clamped by Z606 this generates the f...

Страница 20: ...X26C1000APC in position I002 Pin 2 MMU3 is used to select between either the EPROM MTP in position I002 or a future device that can be fitted in position I003 When this line is low the MX26C1000APC device in position I002 is enabled chip enable Pin 17 MMU4 is used as an output port to derive a clock signal needed for shifting the data into the 74HC595 shift register I006 Pin 18 MMU5 is not used EX...

Страница 21: ...ccurred on the chassis This line is connected to the comparator outputs 1 13 and 14 of I903 in the power supply This line is normally high approx 5V unless a fault has occurred in which case it is near ground potential 0V Comparator output 1 monitors the 16V audio supply rail for over current If this rail is shorted or draws too much current then the comparator output pin 1 of I903 will change sta...

Страница 22: ...2C bus from being connected to the I2C bus of the microcontroller I001 and E2 I002 This line is normally HIGH when the TV is in the standby state This output is inverted using the 74HC04 hex inverter IC I004 and in connected to pins 5 and 6 of I007 In the standby condition pins 5 and 6 of I007 74HC4066 are low and the M SDA and M SCL microcontroller lines are disconnected from the SDA and SCL main...

Страница 23: ...B signal will be superimposed onto the current picture Pin 45 is the OSD blue signal necessary for displaying BLUE colours for the OSD and Teletext Pin 46 is the OSD green signal necessary for displaying GREEN colours for the OSD and Teletext Pin 47 is the OSD red signal necessary for displaying RED colours for the OSD and Teletext CVBS CONNECTIONS Pin 60 is the Composite Video signal input for VP...

Страница 24: ... s address and data lines which are shared with the EPROM MTP in position I002 DESCRIPTION SUPPLY GROUND CONNECTIONS Pins 32 and 16 are the 5V supply and ground connections respectively This device always has 5V connected to it even when the TV is in the standby state ADDRESS LINE CONNECTIONS Pins 2 to 12 23 31 and 25 to 28 are the address lines needed to access the 128Kbyte of data by the microco...

Страница 25: ...is powered from the 5V standby rail so that it always has power to it even when the TV is in standby I2C CONNECTIONS Pin 5 is the I2C Data line needed to transfer serial data between the microcontroller and itself Data is changed when the clock line is low and latched on the rising edge of the I2C clock Pin 6 is the I2C clock line needed to synchronise the I2C data transfer 9 clock pulses are need...

Страница 26: ... analogue switch disconnects the RXD and TXD receive and transmit lines of the microcontroller from the DTT s when pins 12 13 of it are LOW SHIFT REGISTER CLEAR INPUT SCLR Pin 10 is an active low input necessary for clearing the shift register s data on power up SHIFT REGISTER CLOCK INPUT SCK Pin 11 is the shift register clock input necessary for clocking the data into the device Each bit of data ...

Страница 27: ...t simultaneous communications DTT RESET CONNECTION Pin 4 is the DTT reset connection that is routed through to pin 3 when pin 5 is HIGH Pin 3 is then connected to pin 1 of P001 which in turn is connected to the DTT module The DTT reset line is normally HIGH when powering up down the DTT module and is low otherwise POWERED CONSOLE The powered console is used make the A7 and A8 D8 models into full D...

Страница 28: ... used to speed up the turn off time of the amplifier The pull up to the supply is used to make sure that the amplifier stays in mute standby while the supply rail discharges DIGITAL SECTION GENERAL DESCRIPTION The main function of the digital section of the receiver is to accept COFDM Coded Orthogonal Frequency Division Multiplex coded signals modulated onto a RF carrier in the UHF band and by dem...

Страница 29: ...28 GENERAL BLOCK DIAGRAM ...

Страница 30: ...TV tuner input The loop through is active and has a separate 5V supply pin which is powered in both normal ON and standby modes The remaining tuner sections use 5V and 9V power rails with suitable local decoupling The first converter stage converts the incoming signals down so that the selected UHF channel is frequency shifted so that it is centred within the 8MHz IF band centred around 36MHz The ...

Страница 31: ...silicon The on chip PLL reset pin TEST0 is reset directly from the MPEG CPU while the main chip reset is delayed to both COFDM and FEC ICs through R784 C772 This is done to force the COFDM IC to start up correctly reliably Also a capacitor C770 is fitted on the JTAG reset pin to ensure that the COFDM chip always powers up correctly The control for the IF AGC is generated within the L64780 as a sig...

Страница 32: ...r reservoir capacitors C894 C895 C896 C897 The chip is powered from the 5V supply and local decoupling is made up of C898 C899 The link to the MPEG processor is TTL level with RX TX CTS RTS signals The connection to external devices is through a 9 pin female D type socket at standard levels Since the CPU UART peripheral is configured to use hardware flow control the CTS is pulled high at the outpu...

Страница 33: ...A234 30v 2nd intermediate 30V current limiting point A006 RF AGC in RF AGC line tuner front can A004 IF 1 in out IF1 IN OUT loop through A008 IF 2 out IF2 OUT front can A011 IF2 in IF2 IN rear can A013 ADD Tuner I2C address select A018 RF AGC out RF AGC OUT rear can A033 Tuner out 07 Tuner ADC data out bit 7 A032 Tuner out 05 Tuner ADC data out bit 5 A031 Tuner out 04 Tuner ADC data out bit 4 A030...

Страница 34: ...AGC OUT A046 EX AD0 External ADC data bit 0 A053 EX AD1 External ADC data bit 1 A065 EX AD2 External ADC data bit 2 tuner ADC data bit 0 link through A059 EX AD3 External ADC data bit 3 tuner ADC data bit 1 link through A041 EX AD4 External ADC data bit 4 tuner ADC data bit 2 link through A054 EX AD5 External ADC data bit 5 tuner ADC data bit 3 link through A060 EX AD6 External ADC data bit 6 tune...

Страница 35: ... TP833 MUX OUT 12 MUX input bus bit 12 test purposes only TP834 MUX OUT 11 MUX input bus bit 11 test purposes only TP835 MUX OUT 10 MUX input bus bit 10 test purposes only TP836 MUX OUT 9 MUX input bus bit 9 test purposes only TP837 MUX OUT 8 MUX input bus bit 8 test purposes only TP838 MUX OUT 7 MUX input bus bit 7 test purposes only TP839 MUX OUT 6 MUX input bus bit 6 test purposes only TP840 MU...

Страница 36: ...Transport stream data out bit 2 A202 CO 1 Transport stream data out bit 1 A209 CO 0 Transport stream data out bit 0 A143 V 10V for RS232 A128 C2 0 to 10V square wave for generating 10V A120 C1 0 to 5V square wave for generating 10V from 5V A119 C2 0 to 10V square wave for generating 10V from 10V A116 C1 5V to 10V square wave for generating 10V from 5V A118 V 10V for RS232 A221 GNDD ground for RS23...

Страница 37: ...A078 TEST2 RCLK 0V unused input A074 RTS 5V unused input A069 HD5 modem data line 5 A084 HD6 modem data line 6 A085 HD7 modem data line 7 A203 MODEM RESET 0V reset modem data pump IC A100 HA0 modem address line 0 A105 HA1 modem address line 1 A101 HA2 modem address line 2 A089 HIRQ host interupt request A088 HRD host read enable strobe A095 HWR host write enable strobe A083 HD0 modem data line 0 A...

Страница 38: ... output of the filter section R248 R244 R243 R242 C231 C215 The oscillator is locked to the incoming data by the PLL in the demux IC see below The supply for the oscillator is decoupled through L202 The oscillator output from the emitter of Q201 is AC coupled and biased for the clock buffer following through C234 R215 R216 The output of the oscillator is buffered and distributed through the clock ...

Страница 39: ...t FS2 FS1 FS0 MHz MHz 0 0 0 Tristate Tristate 0 0 1 1 8620 256 x 16 0kHz 0 1 0 1 8620 256 x 22 05Hz 0 1 1 1 8620 256 x 24 00kHz 1 0 0 1 8620 256 x 32 00kHz 1 0 1 1 8620 256 x 44 10kHz 1 1 0 1 8620 256 x 48 00kHz 1 1 1 Low Low Also see the diagram in the AV decoder section later COMMON INTERFACE CI CIRCUITRY The MPEG board has the provision for two common interface sockets CI A IC400 and CI B IC402...

Страница 40: ...ction later using handshaking lines and a configuration register to confirm correct programming of the devices The code transferred may be the same for PCBs carrying either one or two devices if the second FPGA is not fitted the extra code is ignored by the first device Although the FPGAs are programmed devices after they have been programmed they effectively behave as hardware and will be referre...

Страница 41: ...ut frequency Bits 3 7 are allocated for configuration verification and are not used set to zero Bits 0 2 are used to carry the audio PLL set up values FS0 FS2 for which the initialisation value is 6 corresponding to audio at 48kHz rate The CI controller ICs will initially be powered from 5V direct but will superceded by 3 3V parts in future Except for the changes to the local power supply informat...

Страница 42: ...ped by 24 address lines operating at 27MHz It s main function is the maintenance of the software program flow to control all the devices needed for the functionality of the digital receiver It has internal cache memory to speed up processing and uses external EDO DRAM 2MB for the main processing workspace Accommodation for up to 4MB of flash memory is designed in as two 1M x 16 bit chips The progr...

Страница 43: ...main DRAM Addressing for 16Mbit IC201 is provided and EDO type DRAM is used Address decoding within CI A based on CS2 allows access to the CS miss devices for which the chip selects are generated in the CI A device the timing for these data communications is then provided using the DSACK controls For functional reasons each interrupt group is made up of a pair each representing an internal and an ...

Страница 44: ... Interface A 2MB 80 0000 CS miss Not allocated 4MB 40 0000 Peripheral 2MB address space mapping Chip Select Usage Address Hex 40 0000 Peripherals 2MB CS miss IEEE1394 External DRAM controller 23 0000 This area is mapped CS3 AV chip decoder as shown in the 22 0000 table on the right Not Allocated 20 2000 CS miss Common Interface B 20 0000 20 0000 Primary DRAM 2MB 00 0000 ...

Страница 45: ...ta from the transport stream Extracting the transport stream packets for the video and audio service Buffering the video and audio data onto the AV chip Extracting the data packets associated with the graphical objects and images which are to be displayed or acted on Separation of individual PES streams This section of the IC contains the functional circuit blocks to carry out the transport stream...

Страница 46: ...Audio sample valid Video sample request Audio sample request Error line The E BUS is used by the CPU to control the AV chip and to pass graphic image bitmaps which are to be displayed The data is made up of mixed audio and video samples identified by the valid signals The system should run such that a steady but not constant audio and video data stream is passed from the demux to the AV chip If th...

Страница 47: ...ical sync The video samples are in 4 2 2 format synchronous to the 27MHz main clock giving a luma Y sample rate of 13 5MHz and a rate of 6 75MHz for the U and V chroma components The OSD signal is generated by the AV chip indicating the presence of on screen graphics this is not used at present The horizontal and vertical sync signals are generated by the video encoder and the AV decoder IC is dri...

Страница 48: ...T level audio output without distortion The 5V supply is locally decoupled by L505 CC508 C509 C522 C524 The PCM serial data ASDATA sample clock LRCLK bit clock BCLK and oversampling master clock A_CLK are supplied by the AV decoder IC to the audio DAC The outputs are stereo left right audio are filtered by R511 R500 C504 C505 at the output PL500 to provide some ESD and interference protection Ther...

Страница 49: ...ITY The link layer chip has JTAG test capabilty It can be configured either as part of a one loop or two loop test system with some of the other chips on the PCB more details are given in the JTAG testing section following ...

Страница 50: ...ade more efficient by the use of the CPU R NW line to reduce the number of cycles required to execute a read and write to the devices The serial bus is structured in 2 parts one for the CPU demux only and the second for all the other devices this enables a more efficient flash chip download through the JTAG link since the chain is shorter Zero ohm resistors link options are placed to connect the 2...

Страница 51: ...e low TP123 INT_AV Interrupt to CPU from AV chip active low TP124 DSACK0 Bus transfer timing control line TP125 R NW Read high write low TP126 DS Data strobe active low TP127 AS Address strobe active low TP128 CS_AV AV chip select active low TP129 VSYNC_AV Vertical sync into AV chip active low TP130 HSYNC_AV Horizontal sync into AV chip active low TP131 OSD On screen display present indicator acti...

Страница 52: ...clock output to buffer IC TP997 CLK_27_0 27MHz oscillator clock output 0 TP229 CLK_27_1 27MHz oscillator clock output 1 TP998 CLK_27_2 27MHz oscillator clock output 2 TP999 CLK_27_3 27MHz oscillator clock output 3 TP263 CLK_27_4 27MHz oscillator clock output 4 TP262 CLK_27_5 27MHz oscillator clock output 5 TP226 CLK_27_6 27MHz oscillator clock output 6 TP225 CLK_27_7 27MHz oscillator clock output ...

Страница 53: ... CS_008 Not chip select 008 TP251 BREQ Bus request TP252 BGACK Bus Grant acknowledge TP253 INT_CI1 Interupt common interface 1 TP255 INT_1EEE1394 Interupt IEEE1394 TP258 INT_CI2 Interupt common interface 2 TP259 INT_DRAMC Interupt DRAM controller TP260 DMACK DMA acknowledge TP261 RESET Not reset TP1156 ACLK Oversampling clock TP1150 DMREQ DMA request TP231 CS0 Not Chip select 0 TP1106 CS1 Not Chip...

Страница 54: ...low pass filter TP299 PLLAGNDD PLL Ground TP298 PLLVDD_P PLL 3V3 supply TP1153 3V3_MPEG 3V3 MPEG supply voltage TP1078 OPAMP Opamp reference TP245 IREF Op amp input from cpu Sheet 4 Common Interface TP316 TS NPES Transport stream select TP363 1394OUT0 1394 output 0 TP362 1394OUT1 1394 output 1 TP361 1394OUT2 1394 output 2 TP360 1394OUT3 1394 output 3 TP359 1394OUT4 1394 output 4 TP358 1394OUT5 139...

Страница 55: ...packet clock out TP339 A6_B CI 2 Address Bus Bit 6 TP340 A7_B CI 2 Address Bus Bit 7 TP341 MD16_B CI 2 transport stream data in Bit 6 TP342 A12_B CI 2 Address Bus Bit 12 TP343 MD15_B CI 2 transport stream data in Bit 5 TP344 MCLK1 CI 2 transport stream packet clock in TP345 MD14_B CI 2 transport stream data in Bit 4 TP346 MIVAL_B CI 2 transport stream packet valid in TP347 MD13_B CI 2 transport st...

Страница 56: ...P411 TS_A_B_MCLK Transport stream packet clock CI 1 to CI 2 TP422 TS_A_B_MVAL Transport stream packet valid CI 1 to CI 2 TP423 TS_A_B_MSTRT Transport stream packet start CI 1 to CI 2 TP480 TS2_IN_MSTRT Transport stream packet start IEEE1394 to CI 1 TP481 TS2_IN_MVAL Transport stream packet valid IEEE1394 to CI 1 TP482 TS2_IN_MCLK Transport stream packet clock IEEE1394 to CI 1 TP483 TS2_IN_7 Transp...

Страница 57: ...P355 CONF_DONE_C1 CI Configuration ready complete TP456 RESET_A CI 1 Reset module CPU TP457 A4_A CI 1 Address Bus Bit 4 TP373 A2_A CI 1 Address Bus Bit 2 TP374 A_PLL_2 Audio PLL select 2 TP458 DATA_CI CI Configuration data TP375 DEV_CLRN_A CI 1 enable register clear TP459 CS_1EEE1394 Chip select IEEE1394 LLC TP460 CS_CI_B Chip select CI 2 TP376 CD7 Transport stream data FE to CI 1 bit 7 TP493 CD6 ...

Страница 58: ...tput TP530 AOUTR Audio DAC right output TP526 AOUTL Left audio output TP527 AOUTR Right audio output TP510 PIN8_ENABLE Pin 8 enable sheet 6 IEEE1394 TP601 TDO_I_DRAMC_LLC JTAG TP619 CNTNDA IEEE1394 TP600 TMS_CI_DRAMC_LLC JTAG TP620 TDO_CI_DRAMC_LLC JTAG TP618 ISO IEEE1394 TP617 BDOAVAIL IEEE1394 TP616 BDIBUSY IEEE1394 TP615 CYCLEIN SE IEEE1394 TP614 BDOF0 IEEE1394 TP613 BDOF1 IEEE1394 TP612 BDOF2 ...

Страница 59: ...us DRAM controller to DRAM bit 6 External DRAM TP708 EBM_D7 Data bus DRAM controller to DRAM bit 7 External DRAM TP709 EBM_D8 Data bus DRAM controller to DRAM bit 8 External DRAM TP710 EBM_D9 Data bus DRAM controller to DRAM bit 9 External DRAM TP711 EBM_D10 Data bus DRAM controller to DRAM bit 10 External DRAM TP712 EBM_D11 Data bus DRAM controller to DRAM bit 11 External DRAM TP713 EBM_D12 Data ...

Страница 60: ...e Function TP729 EBRAS1 DRAM row address select External DRAM TP730 EBCAS0 DRAM column address select 0 External DRAM TP731 EBCAS1 DRAM column address select 1 External DRAM TP732 EBWE1 DRAM data write enable External DRAM ...

Страница 61: ...OR A2 POWER SUPPLY Connections between Chassis Motherboard and Front End PCB for complete module A 1mm FFC and connector has been used Connectors PL802 Front end 4 way Right angle SMT Molex type 52207 0490 terrestrial 7 way Right angle SMT Molex type 52207 0790 satellite E5102 Mother Board 4 way straight leaded JST type 04FMN BTRK Signal name Voltage Current From To No of connection pins Pin Numbe...

Страница 62: ...ent Luma G Y_DIG Module to chassis motherboard 1 7 B component Composite video B CVBS_D IG Module to chassis motherboard 1 5 9V output supply 9V MPEG Chassis motherboard to module 1 1 GND GNDA 5 2 4 6 8 10 Total pin requirement 10 CONNECTOR C2 AUDIO Connections between MPEG PCB and Chassis Motherboard 1mm FFC cable and connector has been used Connector PL500 MPEG 5 way right angle SMT Molex type 5...

Страница 63: ...ation using the enable disable function only at programme selection and only if the DiSEqC capability is enabled The MPEG CPU will carry out the enable diasble function and the DiSEqC modulation of the 22kHz through a port output Also see notes 2 3 associated with connector A2 CONNECTOR F DATA STREAM Connections between Front End PCB and MPEG PCB internal to module 1mm FFC cable and connector has ...

Страница 64: ... front control panel This is a 2 0mm pitch in line connector on the motherboard see note 7 and captive on the front panel when used Connector E5283 DSTB Function No of connections Pin Number GNDD 2 1 6 KEYSCAN3 note 8 1 2 Spare 1 3 SDA 1 4 SCL 1 5 Spare 1 7 Spare 1 8 Total pin count 8 Note 8 Not used at present these lines allow expansion of up to 12 keys if required with no hardware changes on th...

Страница 65: ...or E5282 DSTB Function No Of Connections Pin Numbers Spare 1 1 Spare 1 2 Spare 1 3 Spare 1 4 GNDD 1 5 Total pin count 5 Note 14 Not fitted at present This was originally used as part of the front panel connections it is no longer used but the footprint is on the DSTB motherboard CONNECTOR N JTAG PORT CONNECTOR See note 16 Connector used for JTAG downloading This connector is a 14 way molex picofle...

Страница 66: ...V_MPEG 1 1 CPU_A0 1 2 CPU_A1 1 4 CPU_D0 1 5 CPU_A2 1 6 CPU_D1 1 7 CPU_A3 1 8 CPU_D2 1 9 CPU_A4 1 10 CPU_D3 1 11 CPU_A5 1 12 CPU_D4 1 13 CPU_A6 1 14 CPU_D5 1 15 CPU_A7 1 16 CPU_D6 1 17 CPU_A8 1 18 CPU_D7 1 19 CPU_A9 1 20 CPU_D8 1 21 CPU_A10 1 22 CPU_D9 1 23 CPU_A11 1 24 CPU_D10 1 25 CPU_A12 1 26 CPU_D11 1 27 CPU_A13 1 28 CPU_D12 1 29 CPU_A14 1 30 CPU_D13 1 31 CPU_A15 1 32 CPU_D14 1 33 CPU_A16 1 34 ...

Страница 67: ...itry are for reducing the frequency of the power supply when the set is in standby A sense voltage rectified by D922 consisting of R905 and R906 supplied pin 2 of I900 this is then compared to an internal reference voltage If it exceeds the internal reference the output from pin 6 will be limited by the internal error amp Z907 will go short if the B exceeds 180V The secondary voltage induced in T9...

Страница 68: ...nd pin 14 will be pulled low putting the set into standby Comparator 4 is used for EHT over voltage protection as all the F B T secondary voltages are proportional the 200V supply to the CRT base is used to generate the voltage to be used in comparison this is done by using a potential divider made up of R718 R749 and R719 Z708 monitors the voltage at the junction of R718 and R749 if this exceeds ...

Страница 69: ...5 used as the over current sense point D18 25 33 used to pull down pin 5 below pin 6 during over current in this state pin 7 is low which in turn disables the feedback point pin 1 of IC10 shutting down the power supply FEEDBACK OPERATION Increase in load demand by secondary rails results in higher voltage feedback on cathode of IC8 in turn rising the voltage on pin 1 of IC10 this voltage is compar...

Страница 70: ...described in detail below TUNER ADJUSTMENT SERVICE MENU The options available in this menu are as follows Std IF AFC Adjusting this item will initiate the automatic AFC alignment for standards BG I DK Refer to the alignment procedure for more information L IF AFC Adjusting this item will initiate the automatic AFC alignment for standard L Refer to the alignment procedure for more information AGC T...

Страница 71: ...B source is used Adjusting the text shift causes a teletext test pattern to be displayed to facilitate adjustment WHITE POINT ADJUSTMENT SERVICE MENU Refer to the alignment procedure for details on how to adjust these parameters Use the More option to display the White Point More Menu WHITE POINT MORE ADJUSTMENT SERVICE MENU Refer to the alignment procedure for details on how to adjust these param...

Страница 72: ...by in hotel mode Max Volume This sets the maximum volume in hotel mode DTT Program For integrated digital sets this sets the initial program for the digital decoder module in hotel mode This is displayed when the Program item is set to DTT E2 SETUP SERVICE MENU Select E2 factory when default values to E2 need to be set automatically usually after changing I005 Select one of E2 Shipping settings to...

Страница 73: ...minutes when in digital where appropriate or RF modes This could be a problem with the aerial or a fault in the tuner module or circuitry around I200 000e Dolby Digital sets only Internal failure of the Dolby Digital decoder module Codes 01xx indicate a failure of I2C control of a device where xx identifies that device The supported codes are as follows 0184 The microprocessor failed to control th...

Страница 74: ...ay be seen when the TV is in service mode is shown below Fault code 0000 microprocessor watchdog is current and fault code 1 power good line has occurred 5 times DIAGNOSTIC INTERFACE The television software allows for the connection of a PC to perform certain diagnostic functions This connection operates using pins 10 and 12 of SCART2 AV2 This diagnostic interface is always enabled when the TV is ...

Страница 75: ...Ce technicien doit s assurer qu aucun des dispositifs de protection intégrés à cet instrument par le fabricant n est défectueux ou n a été endommagé de façon accidentelle lors de l entretien LABEL CE 1 Les produits HITACHI peuvent avoir reçu le label CE qui figure sur la plaque signalétique pour indiquer que cet ensemble contient des composants qui ont fait l objet d une homologation spécifique de...

Страница 76: ... la partie centrale ajustez L201 sur un tour puis reprenez l opération 3 Continuez cette procédure jusqu à ce que la barre indicatrice ne revienne plus au centre ALIGNEMENT L AFC POUR MODÈLES DESTINÉS À L EXPORTATION UNIQUEMENT Pour réduire l influence de la dérive de température des circuits attendez que le poste de télévision soit monté en température en le laissant fonctionner normalement penda...

Страница 77: ...ute il faudra probablement retirer l alimentation Il faut tester le rail audio source Q921 sur 0 V AJUSTEMENT DE PUISSANCE ET DE DEFLEXION BONNE LIGNE D ALIMENTATION ELECTRIQUE Réglez l image sur les mêmes paramètres que précédemment Effectuez une mesure sur la broche 2 de l I903 Elle doit être HAUTE Si elle est BASSE coupez R962 le cas échéant Si elle est HAUTE mais s il n y a pas de synchronisat...

Страница 78: ...r sa position approximativement centrale 10 kW Mettez l alimentation sous tension puis appliquez une charge externe voir tableau Ajustez VR1 en vous assurant que le rail 5 2 V soit correct à 0 05 V près IL FAUT EFFECTUER UN ESSAI CONCU PAR LA BEAB SUR LA SOUS CARTE DANS UN APPAREIL OU SUR UN SUPPORT DE CONSOLE VERIFICATION DU CIRCUIT LIMITEUR DE HAUTE TENSION Montez la carte PW sur l appareil et a...

Страница 79: ...Montez le COFFRET DE FONCTIONS sur la carte principale Recevez la mire circulaire PAL pour vérifier la qualité de la couleur Vérifiez que la ligne horizontale est stable voir ligne horizontale uniquement pour modèles 2897 W35 la partie barre de couleurs est correcte voir barre de couleurs La partie blanche de l image est d un blanc pur voir échelle des gris Vérifiez le fonctionnement du visionneme...

Страница 80: ...D INCLINAISON PARABOLE LARGEUR Laissez l appareil chauffer pendant 5 minutes avant de procéder à des réglages Recevez la mire circulaire Philips Réglez la luminosité et le contraste sur leurs valeurs nominales L appareil doit être dirigé vers le nord ou vers le sud La tension d entrée secteur doit être égale à 230 V 5 V en 50 Hz Ajustez le logiciel afin que les lignes verticales sur les bords exte...

Страница 81: ...ez des mesures à 10 cd MODÈLE CL 7 400 o K Modèles W30 8 700 o K Modèle C 9 300 o K Tous les nouveaux modèles à compter du mois d août 1999 y compris le modèle W30 doivent avoir une température des couleurs réglée sur 8 700K LUMINOSITE DU TEXTE Réglez la mire à texte sur l essai de case des blancs Réglez la luminosité sur 90 Cd m 2 AJUSTEMENT DE LA COUPURE Ajustement approximatif Réglez le mode vi...

Страница 82: ...d erreur couleur correcte Sortie audio Sortie G D pas d erreur BER inférieure à 7 00E 003 Canal central de réception ch 41 Sortie vidéo Pas d erreur Sortie RGB Pas d erreur couleur correcte Sortie audio Sortie G D pas d erreur BER inférieure à 7 00E 003 Modem RS232 Sortie du module Indique que le statut opérationnel du logiciel est correct Entrée vers module Saisie commande possible PCMCIA Amélior...

Страница 83: ...Auto 3 C32W35T N A 10 Hors circuit 1 50 Pro Logic Progressif Analogique Auto 4 C32W40T N A 10 Hors circuit 1 50 Pro Logic S O Numérique Auto 5 C32W200 0N 10 Hors circuit 1 50 Pro Logic Progressif Analogique Auto 6 CL28W30 TAN A 10 Hors circuit 1 50 S O 100 Hz Analogique Auto 7 CL28W35 TAN A 10 Hors circuit 1 50 Pro Logic Progressif Analogique Auto 8 CL32W30 TAN A 10 Hors circuit 1 50 S O 100 Hz An...

Страница 84: ...inosité texte Décalage SECAM Mode texte actuel 1 C28W40TN A 35 31 32 4 4 83V 3 31 S O Simple 2 C32W30TN A 35 31 32 4 4 71V 3 31 S O Simple C32W35TN A Ancien FB Nouveau FB 35 31 32 4 4 62V 71V 3 31 S O Simple 4 C32W40TN A 35 31 32 4 4 83V 3 31 S O Simple 5 C32W2000N Ancien FB Nouveau FB 35 31 32 4 4 62V 71V 3 31 S O Simple 6 CL28W30TAN A 35 31 32 4 4 71V 3 31 16 Simple 7 CL28W35TAN A Ancien FB Nouv...

Страница 85: ...rendre les fronts du signal vidéo plus inclinés en contrôlant la vitesse de balayage horizontal du faisceau d électrons du tube cathodique Le circuit de modulation de vitesse produit un signal de compensation en additionnant les composants RGB pui en les différentiant Le signal de compensation reçoit un gain de courant qui vient s appliquer à la bobine auxiliaire connecteur E806 sur le col du tube...

Страница 86: ... 440 x FH Sa fréquence est divisée par 440 pour verrouiller la première boucle du signal entrant La fréquence libre de l oscillateur est déterminée par un circuit de commande numérique qui est verrouillé sur le signal de référence du décodeur couleur Lorsque le détecteur de coïncidence indique une situation hors verrouillage la procédure d étalonnage est répétée L impulsion verticale est obtenue v...

Страница 87: ...ive at both the inputs of the vision and sound SAW filters pins 1 2 The outputs from X200 and X202 pins 4 5 respectively pass through to pins 2 3 and pins 63 64 of I200 where they are demodulated PROCESSEUR RGB TDA 9330 DÉFLEXION VERTICALE ET COMMANDES DE GÉOMÉTRIE Les circuits de commande des circuits de déflexion verticale et est ouest sont produits par un diviseur vertical qui obtient son horlo...

Страница 88: ...t 12 du module de double balayage UQ01 D autres broches diverses telle que la broche d onde trapézoïdale 59 sont indépendantes de l impulsion trapézoïdale produite par IE02 elles ne se commandent pas entre elles Les impulsions de sortie verticale et horizontale produites par I200 commandent le module de double balayage broches 18 et 19 respectivement fonctionnement en 100 Hz ou IE02 broches 23 et ...

Страница 89: ...du casque et C437 R437 et la bobine droite du casque respectivement Cette méthode fut utilisée pour limiter la puissance dissipée dans le casque J400 contient aussi un commutateur pour l alimentation 16V qui apparaît à l arrière de la prise femelle phono unique Lorsqu une prise mâle appropriée est insérée dans la prise femelle du casque la connexion entre les broches 8 et 9 de J400 est interrompue...

Страница 90: ...stor de puissance Q751 Le collecteur de Q751 est alimenté en B via R751 L700 et le primaire du FBT T701 L émetteur est connecté à la masse via R760 qui est une résistance de détection pour le circuit de protection Le réseau diviseur capacitif C717 et C708 produit une impulsion de ligne qui est échantillonnée par Z704 et verrouillée par D713 et D714 et ensuite renvoyée à la broche 13 de IE02 DEFLEX...

Страница 91: ...90 CASE DE FONCTIONS EXTRÉMITÉ HAUTE CASE FONCTIONS EXTRÉMITÉ BASSE ...

Страница 92: ... MMU1 et 16 MMU2 sont utilisées pour accéder aux adresses de plus de 64Ko Normalement les broches 15 et 16 ne sont pas utilisées lorsque le composant EPROM MTP de 128Ko MX26C1000APC est utilisé à la position I002 La broche 2 MMU3 est utilisée pour sélectionner soit l EPROM MTP à la position I002 soit un composant futur qui pourra être installé à la position I003 Lorsque cette ligne est au niveau b...

Страница 93: ...trée est déclenchée par le front montant polarité positive CONNEXIONS D ENTRÉES GÉNÉRALES ENTRÉE DE CASQUE D ÉCOUTE La broche 19 est utilisée pour détecter si un casque d écoute a été inséré dans sa prise Cette entrée est normalement HAUTE 5V à moins que le casque ait été inséré auquel cas elle est proche de 0V Lorsque le casque est inséré l option de mode casque est alors disponible sur le Menu M...

Страница 94: ...es dans E2 désactivation d écriture mais les données du composant peuvent être lues Lorsque cette sortie est basse 0V les données peuvent être écrites dans E2 Cette ligne matérielle aide à protéger E2 contre des opérations d écriture involontaires qui pourraient se produire dans des circonstances anormales SORTIE MARCHE ARRÊT La broche 28 est la ligne Marche Arrêt qui met les alimentations seconda...

Страница 95: ... pendant l écriture sur l EEPROM Cette ligne oscille à une fréquence autour de 90kHz CONNEXIONS RS232 La broche 30 est la ligne de transmission RS232 du microcontrôleur Elle peut être acheminée à la broche 12 de la prise Scart et à la broche 3 du connecteur P001 pour le module DTT seulement sur le châssis D8 Cette ligne est partagée en temps entre la communication avec l unité DTT et la prise Scar...

Страница 96: ...se les données de l adresse requise seront sorties sur ces broches CONNEXION ACTIVATION DE SORTIE La broche 24 est l entrée d activation de sortie active au niveau bas utilisée pour contrôler l état logique des lignes de données Lorsque cette broche est HAUTE les lignes de données sont dans la condition de haute impédance et aucune données ne sont présentes sur ces broches Lorsque l entrée d activ...

Страница 97: ...ex CMOS à haute vitesse utilisé pour inverser les signaux numériques L ensemble comprend 6 inverseurs mais 4 seulement sont utilisés dans cette application DESCRIPTION CONNEXIONS D ALIMENTATION MASSE Les broches 14 et 7 sont les connexions d alimentation 5V et 0V respectivement La tension d alimentation de 5V est toujours présente même lorsque le téléviseur est dans le mode veille Le condensateur ...

Страница 98: ...omposant sont interdites Lorsque l entrée est mise au niveau bas par le microcontrôleur broche 22 E2RD les données peuvent être écrites dans le composant De cette manière toute opération d écriture involontaire pouvant dégrader les données I2C peut être évitée REGISTRE À DÉCALAGE 74HC595 I006 INTRODUCTION Le 74HC595 est un registre à décalage 8 bits CMOS à haute vitesse et 16 broches qui est utili...

Страница 99: ...orloge du registre à décalage nécessaire à la synchronisation des données dans le composant Chaque bit des données est verrouillé dans le composant sur le front montant de l horloge Cette horloge sort sur la broche 17 du microcontrôleur ENTRÉE HORLOGE DU REGISTRE RCK La broche 12 est l entrée d horloge du registre nécessaire au verrouillage des données sur les broches de sortie Les 8 bits verrouil...

Страница 100: ...t être BASSE pour empêcher des communications simultanées CONNEXIONS RXD La broche 11 est la ligne de réception RS232 du microcontrôleur broche 37 qui est acheminée par la broche 10 DTT Rx lorsque la broche 12 est HAUTE La broche 10 est connectée à la broche 4 de P001 qui est à son tour connectée au module DTT Pendant les communications avec le module DTT la broche 12 de I008 est HAUTE Cependant p...

Страница 101: ...téléviseur Lorsque le téléviseur est mis en veille ou arrêté les 16V chutent immédiatement à 14V environ mettant ainsi la broche 7 au niveau bas et bloquant les amplificateurs A la mise hors tension le 5V est mis au niveau bas arrêtant Q2 ce que permet à la base de Q3 d augmenter via la résistance de charge R81 de l alimentation principale de IC2 ce qui à son tour met le collecteur au niveau bas d...

Страница 102: ...101 SCHÉMA SYNOPTIQUE ...

Страница 103: ...lateur local et PLL de commande Filtre IF et deuxième étage convertisseur Commande de gain automatique CAN Convertisseur Analogique à Numérique VCXO Oscillateur commandé en tension Le signal d entrée RF est bouclé en sortie pour être connecté à un VCR conventionnel un boîtier de décodage ou l entrée analogique du tuner TV Le bouclage est actif et a une broche d alimentation 5V séparée qui est sous...

Страница 104: ...terne est utilisé il est requis comme tampon pour convertir l horloge analogique bas niveau à un niveau TTL Dans ce cas la fonction de remise à zéro PLL est aussi disponible R830 et R829 doivent être omises et R797 doit être installée dans cette option DÉCODEUR COFDM IC801 L64780 En utilisant l horloge 18 288MHz le signal 8 bits est décodé par la puce LSI IC801 de la carte pour produire un train d...

Страница 105: ...r relier soit le début de paquet soit les signaux d erreur au FEC mais dans cette application l Interface Commune à laquelle le train de transport est relié nécessite le début de paquet Pour cela R878 doit être installée et R877 omise NVM Des positions pour deux puces NVM sont prévues elles peuvent accepter des composants style Atmel de 128 ko et de 256 ko Actuellement une seule puce de 256 ko est...

Страница 106: ...allèle permettant la composition multifréquence la connexion du circuit et le transfert de données Le Z02205 contrôle la ligne Décroché du DAA et vérifie la cadence des impulsions de détection de sonnerie pour un signal de sonnerie valide qui est communiqué au processeur MPEG Les lignes des signaux DTR et CTS sur PL809 provisions vers et du modem sont connectées au niveau bas avec les liaisons de ...

Страница 107: ...P800 EXT OSC Sortie oscillateur Colpitt A023 EXT OSC A017 EXT OSC Sortie oscillateur Colpitt couplée CA polarisée CC A010 5v OSC Alimentation 5V oscillateur externe A016 AMP_VCXO A057 AMP_VCXO A038 AMP_VCXO A058 AMP_VCXO TP806 AMP_VCXO sortie amplificateur VCXO non inversée TP807 AMP_VCXO sortie amplificateur VCXO inversée TP888 AMP_VCXO Signal d entrée amplificateur VCXO A039 AMP_VCXO Signal d en...

Страница 108: ...t bus entrée MUX 26 pour test seulement TP820 MUX OUT 25 Bit bus entrée MUX 25 pour test seulement TP821 MUX OUT 24 Bit bus entrée MUX 24 pour test seulement TP822 MUX OUT 23 Bit bus entrée MUX 23 pour test seulement TP823 MUX OUT 22 Bit bus entrée MUX 22 pour test seulement TP824 _MUX OUT 21 Bit bus entrée MUX 21 pour test seulement TP825 _MUX OUT 20 Bit bus entrée MUX 20 pour test seulement TP82...

Страница 109: ...tilisée TP859 QVIN Entrée de données canal Q non utilisée TP861 ADCVREF I Tension de référence CAN non utilisée TP862 ADCVREF IN Tension de référence CAN non utilisée TP863 ADCVDD I Alimentation analogique non utilisée TP864 ADCVSS I Masse analogique non utilisée TP865 I VIN Entrée de données canal Q non utilisée A184 COE Activation sortie canal non utilisée A191 ERR724 Erreur paquet de train de t...

Страница 110: ...V décroché 5V accroché A207 réaction pour tampon A117 TXD signal inversé pour transmission au téléphone non utilisé A131 VREF tension de référence 2 5V pendant communications A115 CF2 filtre d intégration de réaction interne A102 CF1 filtre d intégration de réaction interne A178 RXI entrée réception inversée A179 RXI entrée réception non inversée A182 masse virtuelle de réaction A162 5V AMODEM 5V ...

Страница 111: ... centrée à 27 000MHz Elle est produite à l aide d un oscillateur à cristal Colpitt R248 R242 R243 R244 R212 R213 R218 R214 R217 R215 R216 L202 C237 C220 C231 C215 C206 C207 C232 C233 C234 Q201 X200 D200 Q201 La fréquence est contrôlée par la diode variable D200 avec son alimentation CC provenant de la sortie de la section filtre R248 R244 R243 R242 C231 C215 L oscillateur est verrouillé sur les do...

Страница 112: ...ole de commande de ces lignes est tel que défini dans le tableau suivant Entrées de commande Sortie horloge UART Sortie horloge PLL Audio FS2 FS1 FS0 MHz MHz 0 0 0 Trois états Trois états 0 0 1 1 8620 256 x 16 0kHz 0 1 0 1 8620 256 x 22 05Hz 0 1 1 1 8620 256 x 24 99kHz 1 0 0 1 8620 256 x 32 00kHz 1 0 1 1 8620 256 x 44 10kHz 1 1 0 1 8620 256 x 48 00kHz 1 1 1 Bas Bas Voir aussi le schéma de la secti...

Страница 113: ...ilisant le port SC1 de l UC voir section plus loin via les lignes de colloque et un registre de configuration pour confirmer la programmation correcte des composants Le code transféré peut être le même pour les cartes portant un ou deux composants si le second FPGA n est pas installé le code supplémentaire est ignoré par le premier composant Bien que les FPGA soient des composants programmés une f...

Страница 114: ...n et ne sont pas utilisés réglés à zéro Les bits 0 à 2 sont utilisés pour porter les valeurs de configuration PLL FS0 FS2 pour lesquelles la valeur d initialisation est 6 correspondant à la fréquence audio de 48kHz Les CI du contrôleur d interface commune seront initialement alimentés directement en 5V mais seront éventuellement remplacés par des composants en 3 3V A l exception des changements de...

Страница 115: ...Décodage de paquet et transfert de données AV à la puce AV Séparation des trains PES à sortir vers l interface IEEE1394 pour usage futur possible FONCTIONS UC Voir aussi schéma de la section de démultiplexeur plus loin L UC système fonctionne intérieurement en mode 32 bits à une vitesse d horloge de 54MHz mais avec un bus de données externe 16 bits E BUS et une mémoire mappée par 24 lignes d adres...

Страница 116: ...u codeur PAL et du décodeur AV GP1044 E ROM_SIZE broche d entrée de détection GP1045 S Remise à zéro carte frontale GP1046 S Impulsion de remise à zéro pour porte horloge 18MHz sur carte frontale GP1047 S Remise à zéro des CI d interface commune GP1048 S Remise à zéro pour puce IEEE1394 GP1049 E Entrée modem décroché Contrôle de mémoire UC locale Internal cache this is internal to the CPU Contrôle...

Страница 117: ...oupe flash 1 2Mo ou ROM d amorçage C0 0000 CS1 Groupe flash 0 2Mo A0 0000 CS2 Interface commune A 2Mo 80 0000 Absence CS Non affecté 4Mo 40 0000 Mappage espace adresse périphérique 2Mo Sélection Puce Usage Adresse hex 40 0000 Périphériques 2Mo Absence CS IEEE1394 Contrôleur DRAM externe 23 0000 Cette zone est mappée CS3 Décodeur puce AV comme indiqué dans 22 0000 le tableau de droite Non affecté 2...

Страница 118: ... transport Extraction des paquets du train de transport pour les services vidéo et audio Tamponnage des données vidéo et audio dans la puce AV Extraction des paquets de données associés aux objets et images graphiques devant être affichées ou exécutées Séparation des trains PES individuels Cette section de l interface commune contient les blocs de circuits fonctionnels assurant le traitement du tr...

Страница 119: ...nde d échantillon vidéo Demande d échantillon audio Ligne d erreur E BUS est utilisé par l UC pour contrôler la puce AV et transmettre les modes point des images graphiques devant être affichées Les données sont constituées d échantillons audio et vidéo identifiés par des signaux valides Le système doit fonctionner de manière qu un train de données audio et vidéo régulier mais pas constant soit tr...

Страница 120: ...chantillons vidéo sont du format 4 2 2 et synchrones par rapport à l horloge principale 27MHx donnant un taux d échantillonnage luma Y de 13 5MHz et un taux de 6 75MHz pour les composants chroma U et V Le signal OSD est produit par la puce AV pour indiquer la présence de graphismes d écran Ceci n est pas actuellement utilisé Les signaux de synchronisation horizontale et verticale sont produits par...

Страница 121: ...se être supporté mais cette fonction n est pas actuellement utilisée CNA AUDIO CONVERTISSEUR NUMÉRIQUE ANALOGIQUE Le CI IC501 est du type cristal CS4334 alimenté en 5V pour donner suffisamment d espace pour une sortie audio au niveau SCART total sans distorsion L alimentation 5V est découplée localement par L505 CC508 C509 C522 C524 Les données séries PCM ASDATA l horloge d échantillonnage LRCLK l...

Страница 122: ...isant une horloge mode test synchronisée aux données par l intermédiaire d un port spécial de manière à forcer les broches E S dans des états connus et de lire les effets Pour cela un mode test doit être sélectionné sur la puce L accès et la fonctionnalité de la DRAM et de la mémoire flash associées à l UC peuvent être testés en employant cette méthode et le code peut être téléchargé dans les puce...

Страница 123: ...15 AV_DEMUX AV_7 Vidéo et audio multiplexés Démux à AV b7 TP116 AV_DEMUX AV_ERR Indication erreur de données TP117 AV_DEMUX V_AVALID Echantillon vidéo valide TP118 AV_DEMUX V_VVALID Echantillon vidéo valide TP119 AV_DEMUX AV_VREQ Demande d échantillons vidéo TP120 AV_DEMUX AV_AREQ Demande d échantillons audio TP182 TOS Fonction de test TP181 MOT NOT INTEL Mode bus Motorola haut Intel bas TP121 CLK...

Страница 124: ..._A4 SDRAM adresse 4 TP159 AV_A3 SDRAM adresse 3 TP160 AV_A2 SDRAM adresse 2 TP161 AV_A1 SDRAM adresse 1 TP162 AV_A0 SDRAM adresse 0 TP163 AV_A10 SDRAM adresse 10 TP164 AV_A11 SDRAM adresse 11 TP165 BCS1 SDRAM sélection de circuit 1 TP166 BCS0 SDRAM sélection de circuit 0 TP167 BRAS Contrôle RAS SDRAM TP168 BCAS Contrôle CAS SDRAM TP169 BWE Activation écriture SDRAM TP170 DQM Masque de contrôle de ...

Страница 125: ... activation 27MHz TP216 TS NPES Sélection train de transport TP1105 ROM_SIZE ROM_SIZE TP233 TS Sélection train élémentaire de paquet TP1152 GNDD Masse numérique TP1041 USER_RESET USER_RESET de PLL TP221 RESET Remise à zéro non MPEG TP244 MPEG_RESET MPEG_RESET TP1097 USER_RESET commande de base pour remise à zéro utilisateur de IPL TP217 USER_RESET_B Remise à zéro non utilisateur de IPL TP1113 SC_D...

Страница 126: ...lonne basse TP285 PD_D8 DRAM données 8 TP284 PD_D9 DRAM données 9 TP283 PD_D10 DRAM données 10 TP282 PD_D11 DRAM données 11 TP281 PD_D12 DRAM données 12 TP280 PD_D13 DRAM données 13 TP279 PD_D14 DRAM données 14 TP278 PD_D15 DRAM données 15 TP270 PD_D0 DRAM données 0 TP271 PD_D1 DRAM données 1 TP272 PD_D2 DRAM données 2 TP273 PD_D3 DRAM données 3 TP274 PD_D4 DRAM données 4 TP275 PD_D5 DRAM données ...

Страница 127: ... bit 1 TP323 D1_B CI 2 Bus données bit 2 TP324 MDO0_B Sortie données train de transport bit 0 TP325 D0_B CI 0 Bus données bit 0 TP326 MOSTR0_B Début paquet sortie train de transport TP327 A0_B CI 2 Bus adresse bit 0 TP328 MOVAL_B Paquet sortie train de transport valide TP329 A1_B CI 2 Bus adresse bit 1 TP330 REG _B CI 2 Sélection registre TP331 A2_B CI 2 Bus adresse bit 2 TP332 INPACK _B CI 2 Accu...

Страница 128: ...TARTOUT NOT_EPRO M Début de paquet de train de transport de FE à CI 1 TP403 TS_A_B_0 Données train de transport CI 1 à CI 2 bit 0 TP404 TS_A_B_1 Données train de transport CI 1 à CI 2 bit 1 TP405 TS_A_B_2 Données train de transport CI 1 à CI 2 bit 2 TP406 TS_A_B_3 Données train de transport CI 1 à CI 2 bit 3 TP407 TS_A_B_4 Données train de transport CI 1 à CI 2 bit 4 TP408 TS_A_B_5 Données train d...

Страница 129: ...cipale bit 22 TP315 CPU_A23 Adresse UC principale bit 23 TP350 NCEO_A CI 1 Activation configuration terminée TP351 EN1_A CI 1 Activation VPP 1 TP352 EN0_A CI 1 Activation VPP 0 TP353 VCC3_EN_A CI 1 Activation VCC 3V3 TP354 VCC5_EN_A CI 1 Activation VCC 5V TP401 I_FLAG_A CI 1 Indication d erreur IC401 TP365 INIT_DONE_A CI 1 Initialisation terminée TP364 RDNBSY_A CI 1 Ligne configuration prête TP372...

Страница 130: ...après terminaison TP531 R C Entrée rouge chroma à la base de la commande de sortie TP542 R C_DIG Sortie rouge chroma du circuit de commande TP534 R C_DIG Sortie numérique rouge chroma après terminaison TP505 5VADAC Tension d alimentation 5V du CNA audio TP529 AOUTL Sortie gauche du CNA audio TP530 AOUTR Sortie droite du CNA audio TP526 AOUTL Sortie gauche audio TP527 AOUTR Sortie droite audio TP51...

Страница 131: ...erne TP704 EBM_D4 Bus données contrôleur DRAM à DRAM bit 4 DRAM externe TP705 EBM_D5 Bus données contrôleur DRAM à DRAM bit 5 DRAM externe TP707 EBM_D6 Bus données contrôleur DRAM à DRAM bit 6 DRAM externe TP708 EBM_D7 Bus données contrôleur DRAM à DRAM bit 7 DRAM externe TP709 EBM_D8 Bus données contrôleur DRAM à DRAM bit 8 DRAM externe TP710 EBM_D9 Bus données contrôleur DRAM à DRAM bit 9 DRAM e...

Страница 132: ...eur DRAM à DRAM bit 15 DRAM externe TP728 EBOE Activation sortie données DRAM DRAM externe TP729 EBRAS1 Sélection adresse rangée DRAM DRAM externe TP730 EBCAS0 Sélection adresse colonne DRAM DRAM externe TP731 EBCAS1 Sélection 1 adresse colonne DRAM DRAM externe TP732 EBWE1 Activation écriture données DRAM DRAM externe ...

Страница 133: ...nnexions entre le châssis fond de panier et le circuit imprimé frontal pour module complet Un câble et connecteur FFC de 1 mm a été utilisé Connecteurs PL802 frontal 4 voies à angle droit SMT Molex type 52207 0490 terrestre 7 voies à angle droit SMT Molex type 52207 0790 satellite E5102 fond de panier 4 voies droit câblé série JST EH type 14FMN BTRK Nom du signal Tension Courant De A Nb de broches...

Страница 134: ...eau De A Nb de broches de connexion Numéros de broche Vidéo composite 75R PAL NTSC Luma CVBS Y_D IG Module au châssis fond de panier 1 3 Composant rouge chroma R C_DIG Module au châssis fond de panier 1 9 Composant G Luma G Y_DIG Module au châssis fond de panier 1 7 Composant B vidéo composant B CVBS_D IG Module au châssis fond de panier 1 5 Alimentation sortie 9V 9V MPEG Châssis fond de panier à ...

Страница 135: ...RTS 1 9 RS232_RX RS232 Rx 1 10 RS232_TX RS232 Tx 1 11 RS232_RTS RS232 RTS 1 12 RS232_CTS RS232 CTS 1 13 22KHZ_EN Activation modulation LNB 22kHz voir note 5 1 15 MASSE 3 1 14 16 Nombre total de broches requises 16 Note 5 Une seule fonction de porte NAND discrète est requise pour faire passer le signal 22kHz à l alimentation Elle peut être utilisée de deux façons Simplement pour activer désactiver ...

Страница 136: ...anier E5281 Connecteur type JST 13DS 8E Panneau avant E1 Connecteur type JST 13DS 8E Fonction Nb de connexions connections Numéro de broche Echantillon 1 LED Veille 1 1 Echantillon 2 LED Alimentation 1 2 Echantillon 3 LED Commandes IR reçues 1 3 Echantillon 4 LED En ligne 1 4 Analyse clé 0 entrée 1 5 Analyse clé 1 entrée 1 6 Analyse clé 2 entrée 1 7 Détection IR 1 9 Analyse clé 4 sortie 1 10 Analy...

Страница 137: ... À PANNEAU DE COMMANDE AVANT Connexions entre le châssis fond de panier et le panneau de commande avant C est un connecteur en ligne captif au pas de 2 mm sur le font de panier et sur le panneau avant Connecteur Fond de panier E5285 Connecteur type JST 12DS 8E Panneau avant E2 Connecteur type JST 12DS 8E Fonction Nb de connexions connexions Numéro de broche 7SEGA 1 1 7SEGB 1 2 7SEGC 1 3 7SEGD 1 4 ...

Страница 138: ...tion Nb de connexions Numéro de broche TDI_CPU 1 1 TDO_CPU 1 2 TMS_CPU 1 3 TDI_CI_LLC 1 4 TMS_CI_LLC 1 5 TRST CPU 1 6 TCK_CPU 1 7 TDO_CI_LLC 1 8 TCK_CI_LLC 1 9 MASSE 1 10 12 14 TRST_LLC 1 11 R NW 1 13 Nombre total de broches 14 Note 16 C est le port normalement utilisé en production pour programmer la section de lancement des puces flash utilisant JTAG comme protocole de liaison ...

Страница 139: ... de broche 5V_MPEG 1 1 CPU_A0 1 2 CPU_A1 1 4 CPU_D0 1 5 CPU_A2 1 6 CPU_D1 1 7 CPU_A3 1 8 CPU_D2 1 9 CPU_A4 1 10 CPU_D3 1 11 CPU_A5 1 12 CPU_D4 1 13 CPU_A6 1 14 CPU_D5 1 15 CPU_A7 1 16 CPU_D6 1 17 CPU_A8 1 18 CPU_D7 1 19 CPU_A9 1 20 CPU_D8 1 21 CPU_A10 1 22 CPU_D9 1 23 CPU_A11 1 24 CPU_D10 1 25 CPU_A12 1 26 CPU_D11 1 27 CPU_A13 1 28 CPU_D12 1 29 CPU_A14 1 30 CPU_D13 1 31 CPU_A15 1 32 CPU_D14 1 33 C...

Страница 140: ...qui limite la sortie de largeur d impulsion de la broche 6 pendant la période initiale du démarrage permettant ainsi une augmentation progressive jusqu à la pleine puissance Q909 R918 et les circuits connexes sont destinés à réduire la fréquence de l alimentation lorsque le poste est en mode de veille Une tension de détection redressée par D922 consistant de R905 et R906 est transmise à la broche ...

Страница 141: ...de l alimentation audio 16 V utilise le comparateur 1 une tension de référence est produite sur la broche 6 par les résistance R967 et R964 La tension à comparer est alimentée à la broche 7 en utilisant le diviseur de tension R968 et R966 qui est alimenté par le côté sortie de la résistance de détection de courant R974 Si la tension sur la broche 7 tombe en dessous de la broche 6 la broche 1 est m...

Страница 142: ... tension redressée par D17 et lissée par C37 38 Ce rail de tension qui est le rail d intensité la plus élevée est utilisé pour la régulation via IC8 et assure le retour via IC4 à la broche 1 de IC10 A partir du rail de 5 V un rail de 3V3 est extrait à 2 7 A La sortie de courant est contrôlée par un circuit de modulation d impulsions en largeur constitué d un transistor à effet de champ MOS Q9 la c...

Страница 143: ... options que propose ce menu sont les suivantes Std IF AFC L ajustement de ce paramètre lance l alignement automatique AFC en fonction des normes BG I DK Consultez la procédure d alignement pour de plus amples renseignements L IF AFC L ajustement de ce paramètre déclenche l alignement automatique AFC en fonction de la norme L Consultez la procédure d alignement pour de plus amples renseignements A...

Страница 144: ... du décalage de texte une mire d essai de forme Télétexte apparaît à l écran pour faciliter cet ajustement MENU SERVICE AJUSTEMENT POINT BLANC Consultez la procédure d alignement pour obtenir des renseignements détaillés sur la procédure de réglage de ces paramètres Utilisez l option Plus pour afficher le menu Point blanc Plus MENU SERVICE REGLAGE POINT BLANC PLUS Consultez la procédure d aligneme...

Страница 145: ...options n a un effet tant que le mode Hôtel n est pas sur Marche Il convient de noter que les menus Image et Installation ne sont pas mis à la disposition de l utilisateur lorsque ce téléviseur est dans le mode Hôtel et pas dans le mode Service Pas de veille Lorsque cette option est programmée sur MARCHE le téléviseur sort du mode de veille chaque fois qu il est mis sous tension dans le mode Hôtel...

Страница 146: ...2 broches 40 42 le P302 la carte PWB de base de tube cathodique et le signal de réaction de P302 à destination de la broche 44 d IE02 0006 Panne de communication du microprocesseur sur la barre bus I2C du fait de la présence d un court circuit à la masse ou d une tension de 5 V sur un des signaux SDA SCL ou sur ces deux signaux 0007 L appareil n as pas réussi à se mettre en marche après 3 tentativ...

Страница 147: ...suivantes Le nombre de fois qu une anomalie a été détectée Ce compte peut aller jusqu à 9 avant de s arrêter Ce nombre augmente d une unité qu après chaque mise en marche du téléviseur Quand s est produite cette anomalie pour la dernière fois La valeur 7 indique l anomalie est la plus récente alors que la valeur 0 indique l anomalie la moins récente Indication signalant ou non la présence actuelle...

Страница 148: ... dans le mode Service En outre lorsqu une anomalie présente empêche toute entrée normale dans le mode Service la mise sous tension du téléviseur en utilisant les deux boutons de volume VOL et VOl qui se trouvent à l avant de l appareil entraîne également l activation de cette interface Veuillez contacter Hitachi Home Electronics Europe pour obtenir des renseignements détaillés sur le logiciel PC e...

Страница 149: ...herstellen dass keine vom Hersteller im Gerät eingebaute Schutzvorkehrung schadhaft geworden ist oder bei der Wartung unabsichtlich beschädigt wurde CE KENNZEICHEN 1 HITACHI Produkte enthalten eventuell das CE Kennzeichen auf dem Leistungsschild welches angibt dass das Produkt Teile enthält die eigens zugelassen sind um bis zu einem spezifizierten Niveau elektromagnetische Störfreiheit zu bewirken...

Страница 150: ...zu einer Seite geht und dann zurück zur Mitte justieren Sie L201 mit einer Umdrehung und gehen zurück zu Schritt 3 machen Sie das so lange bis der Anzeigestrich nicht mehr zur Mitte zurückspringt L AFC ABGLEICH NUR FÜR EXPORTMODELLE Um den Einfluss des Schaltkreistemperaturverzuges zu verringern lassen Sie den Fernseher warm werden indem Sie ihn mehr als zwei Minuten normal laufen lassen Empfangen...

Страница 151: ...t eventuell entfernt werden Audio Schiene sollte geprüft werden Q921 Quelle an 0V STROM UND ABLENKUNGS JUSTIERUNG MINUSPOL DER STROMVERSORGUNG Stellen Sie das Bild zu denselben Bedingungen wie oben ein Messen Sie Stift 2 I903 Sollte HI sein falls LOW dann unterbrechen Sie R962 falls montiert Falls HI aber keine Ausschaltzeit siehe unten dann unterbrechen Sie R955 falls montiert Prüfen Sie dass die...

Страница 152: ...icher dass die 5 2V Schiene innerhalb von 0 05V liegt UNTERSCHALT PLATTE MUSS NACH BEAB STANDARD IN EINEM GERÄT ODER KONSOLENGESTELL GETESTET WERDEN SCHALTKREISPRÜFUNG DES HOCHSPANNUNGSBEGRENZERS Gedruckte Schaltung im Gerät montieren und normal justieren Empfangen Sie das Kreismustersignal Stellen Sie Kontrast und Helligkeit aufs Maximum ein Fügen Sie R 470K in Parallele mit R718 und R718A hinzu ...

Страница 153: ...EBS PRÜFUNG Montieren Sie den ZUSATZKASTEN auf die Hauptplatte Kreismuster empfangen PAL Bildqualität prüfen Prüfen Waagerechte ist stabil siehe Waagerechte Nur für 2897 W35 Modelle Der Farbbalkenteil ist korrekt siehe Farbbalken Der weiße Teil des Bildes ist reinweiß siehe Grauskala Prüfen Sie die Zeile für Zeile Abtastung 100 Hz Betrieb mit dem Handapparat Taste für Abtastung Nur für 2897 W35 Mo...

Страница 154: ... 5 Minuten Einlaufzeit bevor Sie justieren Empfangen Sie das Philips Kreismuster Stellen Sie die Helligkeit und den Kontrast auf den Nennwert ein Das Gerät sollte nach Norden oder Süden gerichtet sein Die Wechselstrom Eingangsspannung sollte 230V 5V 50Hz sein Justieren Sie die Software so dass die senkrechten Linien der äußeren Ränder des Bildschirms ungefähr senkrecht eingestellt sind Justieren S...

Страница 155: ...n CL Model 7400 o K W30 Modelle 8700 o K C Model 9300 o K Bei allen neuen Modellen ab August 1999 einschl W30 sollte die Farbtemperatur auf 8700 o K eingestellt werden TEXT HELLIGKEIT Stellen Sie das Textmuster auf das White Box Test Muster ein Justieren Sie die Helligkeit auf 90Cd m 2 AUSSCHALTUNGS JUSTIERUNG Grob Justierung Stellen Sie die Video Betriebsart ohne Signal ein Drehen Sie den Bildsch...

Страница 156: ...hler RGB Ausgang Kein Fehler richtige Farbe Audio Ausgang L R aus Kein Fehler BER unter 7 00E 003 Empfang Mittlerer Kanal Ka 41 Video Ausgang Kein Fehler RGB Ausgang Kein Fehler richtige Farbe Audio Ausgang L R aus Kein Fehler BER Unter 7 00E 003 Modem RS232 Ausgabe vom Module Laufenden Softwarestatus korrekt angeben Eingabe ins Module Befehl kann eingegeben werden PCMCIA Aufrüstung der Software v...

Страница 157: ...ma Pano rama Ein Eng lisch Ein 3 C32W35TN A Aus Pano rama Pano rama Ein Eng lisch 100 Mitte Ein Normal 4 C32W40TN A Aus Pano rama Pano rama Ein Eng lisch 100 Mitte Ein Normal 5 C32W2000N Aus Pano rama Pano rama Ein Eng lisch 100 Ein Phantom 6 CL28W30TAN A Aus Pano rama Pano rama Ein Eng lisch Ein 7 CL28W35TAN A Aus Pano rama Pano rama Ein Eng lisch 100 Mitte Ein Phantom 8 CL32W30TAN A Aus Pano ram...

Страница 158: ...TT Prog Gerätid Entifi kation 1 C28W40TN A Aus SGL JBL Aus Aus Aus 1 50 1 1 2 C32W30TN A Aus SGL JBL Aus Aus Aus 1 50 1 3 C32W35TN A Aus SDS JBL Aus Aus Ein 1 50 1 4 C32W40TN A Aus SGL JBL Aus Aus Aus 1 50 1 1 5 C32W2000N Aus SDS JBL Aus Aus Aus 1 50 1 6 CL28W30TAN A Ein SGL JBL Aus Aus Ein 1 50 1 7 CL28W35TAN A Ein SDS JBL Aus Aus Ein 1 50 1 8 CL32W30TAN A Ein SGL JBL Aus Aus Ein 1 50 1 9 CL32W35...

Страница 159: ... die Bildqualität zu verbessern d h um die Videosignalflanken steiler zu machen indem man die waagerechte Abtast Geschwindigkeit des Elektronenstrahls in der Kathodenstrahlröhre CRT steuert Der Schaltkreis für Geschwindigkeits Modulation produziert ein Ausgleichssignal indem er RGB Komponenten hinzufügt und dann differenziert Das Ausgleichssignal erhält etwas Stromverstärkung angewandt auf die Hil...

Страница 160: ...440 geteilt um die erste Schleife auf das ankommende Signal aufzuschalten Die frei laufende Frequenz des Oszillators wird von einem digitalen Steuerschaltkreis bestimmt der auf das Bezugssignal des Farbdecoders aufgeschaltet ist Wenn der Koinzidenzdetektor angibt dass die Aufschaltung versagt wird das Kalibrierverfahren wiederholt Der vertikale Impuls wird über einen vertikalen Countdown Schaltkre...

Страница 161: ...ft 1 AGC wird von Stift 62 von TDA 9320 genommen Die symmetrische Zwischenfrequenz Ausgabe wird von den Stiften 10 11 genommen die zur Eingabe der Bild und Ton SAW Filter Stifte 1 2 gelangen Die Ausgaben von X200 und X202 Stift 4 bzw 5 passieren durch Stifte 2 3 und Stifte 63 64 von I200 wo sie demoduliert werden RGB PROZESSOR TDA 9330 VERTIKALE ABLENKUNG GEOMETRIE STEUERUNG Der Ansteuerungsschalt...

Страница 162: ...und Vin Stift 6 8 und 9 von IE01 für 50Hz Betrieb während die Y U V Signale für 100Hz Betrieb zu Stift 9 10 12 des Doppelabtastungsmoduls UQ01 geleitet werden Ein sonstiger Stift wie der Rechteck Stift 59 ist unabhängig vom Rechteck Impuls der von IE02 erzeugt wird sie treiben einander nicht an Die von I200 erzeugten vertikalen und horizontalen Ausgabe Impulse treiben das Doppelabtastungsmodul Sti...

Страница 163: ... R437 die rechte Kopfhörer Spule Diese Methode wurde benutzt um den in den Kopfhörern verstreuten Strom zu begrenzen J400 enthält auch einen Schalter für die 16V Stromversorgung die bei der hinteren einfachen Phonobuchse erscheint Wenn ein geeigneter Stecker in die Kopfhörer Buchse eingeführt wird wird die Verbindung zwischen Stift 8 und 9 von J400 unterbrochen und die 16V werden von Stift 8 entfe...

Страница 164: ...rimärseite von FBT T701 Der Emitter ist geerdet über R760 der ein Programm Widerstand für den Schutzschaltkreis ist Das kapazitive Frequenzteiler Netzwerk C717 und C708 produziert einen Horizontalimpuls der von Z704 abgetastet und von D713 und D714 synchronisiert und dann an Stift 13 von IE02 zurückgegeben wird VERTIKALE ABLENKUNG Beim 50Hz D8 kommt der vertikale Ansteuerungs Impuls von Stift 61 V...

Страница 165: ...164 HÖHERE FEATURE BOX NIEDRIGE FEATURE BOX ...

Страница 166: ...erweise werden Stifte 15 und 16 nicht benutzt wenn ein 128KByte EPROM MTP Gerät MX26C1000APC in Position I002 benutzt wird Stift 2 MMU3 wird benutzt um zu wählen zwischen dem EPROM MTP in Position I002 oder einem zukünftigen Gerät das in Position I003 montiert werden kann Wenn diese Leitung tief ist ist das MX26C1000APC Gerät in Position I002 freigegeben Chip Freigabe Stift 17 MMU4 wird als Ausgan...

Страница 167: ...ormalerweise HOCH 5V es sei denn der Kopfhörer wurde eingeführt dann liegt er bei 0V Wenn der Kopfhörer eingeführt ist steht die Möglichkeit der Kopfhörer Betriebsart im Ton Betriebsarts Menü zur Verfügung und die Lautsprecher und ggf interne Sub Woofer im Fernseher werden abgeschaltet SCHUTZ EINGANG Stift 26 wird benutzt um festzustellen ob sich ein Schutz Fehler auf der Grundplatte ereignet hat ...

Страница 168: ... die Hi 8 Buchse eingeführt wurde Stift 38 ist mit den Programm und Menü Knöpfen auf der Frontplatte des Fernsehers verbunden Wenn die Spannung an diesem Stift zu einem Wert in einem bestimmten Fenster wechselt interpretiert der Mikrocontroller das als Programmwechsel oder dass der Menü Knopf gedrückt wurde ...

Страница 169: ... Haupt Grundplatten I2C Bus mit dem I2C Bus des Mikrocontrollers I001 und E2 I002 verbunden wird Diese Leitung ist normalerweise HOCH wenn der Fernseher im Bereitschafts Zustand ist Dieser Ausgang wird mit dem 74HC04 integrierten hexadezimalen Wechselrichter Schaltkreis I004 gewendet und mit den Stiften 5 und 6 von I007 verbunden Im Bereitschafts Zustand sind die Stifte 5 und 6 von I007 74HC4066 t...

Страница 170: ...die Daten von Stift 10 von Scart 2 an Stift 10 von I007 und dann weiter an Stift 37 des Mikrocontrollers geleitet werden Es gibt niemals eine Situation wo beide RS232 Freigabe Leitungen HOCH wären Sperrausgänge TIEF RGB VERBINDUNGEN Stift 44 ist das OSD Teletext RGB Austastsignal das für die Einfügung von Bildschirmanzeige OSD Teletext ins Bild erforderlich ist Wenn dieser Ausgang hoch ist ca 5v d...

Страница 171: ...s Gerät niemals innerhalb der Fernseher Grundplatte umprogrammiert werden kann Stift 30 wird in diesem Gerät nicht benutzt Er ist aber noch mit der MMU1 Leitung des Mikrocontrollers verbunden um mit größeren MTPs EPROMs verwendet zu werden Mit dieser Leitung kann man auf weitere 128 KBytes zugreifen falls so ein Gerät montiert wäre Stift 31 ist der aktive tiefe Stift für Programmierfreigabe mit de...

Страница 172: ...werden um jegliche Verbindung zu verhindern EEPROM I005 EINLEITUNG Der ST24C16 EEPROM oder E2 wie er i a heißt ist ein 16Kbit 2KByte Gerät das permanente Daten hält wenn der Strom vom Fernseher entfernt wird Dieses Gerät kann Information für 100 Programme halten wie z B Namen Frequenz Standard AV Einstellung Lautsprecherspracheneinstellung und bevorzugte Teletextseiten Der EEPROM hält auch Diagnos...

Страница 173: ...lenden des ganzen Bildschirms zu schalten Diese Betriebsart wird aktiviert wenn der Benutzer RGB unter den möglichen AV Betriebsarten auswählt In diesem Fall ist die Leitung HOCH was den RGB Signalen auf den Stiften 36 bis 38 von I200 Vorrang vor dem Bild gibt MSP RÜCKSTELLUNGS AUSGANGSVERBINDUNG Stift 5 ist die MSP3410D Rückstellungs Leitung die tief ist wenn der MSP zurückgestellt wird Diese Lei...

Страница 174: ...bsart ist ist Stift 10 von Stift 12 und Stift 12 von Scart 2 getrennt Wenn der Fernseher in der Wartungs Betriebsart ist kann man einen PC an Scart 2 anschließen um die Diagnosefunktionen auf der Grundplatte auszuführen siehe separaten Abschnitt über Diagnose Leistungprozeduren für näheres I2C VERBINDUNGEN I2C TAKTGEBER VERBINDUNG Stift 8 ist der I2C Haupt Taktgeber Eingang des Mikrocontrollers St...

Страница 175: ...bei Lautsprecherabschaltung nur die 110kHz Ausgabe kann bei Stift 1 gesehen werden 3 4 bis 5V über der Stift 7 Normalbetriebsspannung Weil die Verstärkerstufen für Bass Mitte und Surround identisch sind wird nur der Bass beschrieben Auf der mit Strom versorgten Konsole wird eine schnell fallende 5V Schiene benutzt um Pops und Quietschen zu verhindern wenn der Fernseher ausgeschaltet oder in Bereit...

Страница 176: ...bestehen aus derselben Art von Flachbandverbindungen außer beim Netzanschluss Nähere Angaben in Abschnitt 2 6 Dies sind die Verbindungen im digitalen Teil zu denen der Benutzer Zugang hat Tuner RF Eingangsstecker Tuner RF Schleifen Ausgangsstecker RS232 9 Stift D Typ Stecker RJ11 Modemstecker Gewöhnliche Schnittstellen Buchsen Beim integrierten Fernseher treibt ein Gebläse Luft durch das Gehäuse f...

Страница 177: ...176 BLOCKSCHALTBILD ...

Страница 178: ...quenz Filter und zweiter Stromrichter Steuerung der automatischen Lautstärkeregelung Analog Digital Umsetzer Spannungsgesteuerter Oszillator VCXO Das ankommende RF Signal macht eine Schleife zurück für eine Verbindung mit einem herkömmlichen VCR einer separaten Geräte Box oder dem Analog TV Tuner Eingang Die Durchschleife ist aktiv und hat einen separaten 5V Versorgungsstift der in der normalen EI...

Страница 179: ...GEBER PUFFERUNG UND VERKNÜPFUNGSSCHALTUNG IC800 Diese Stufe kann auf eine dieser drei Weisen konfiguriert werden Mit dem Oszillator innerhalb des Tuners die im Augenblick bestehende Möglichkeit wird sie normalerweise nicht benötigt und Nebenschluss Widerstände R829 R830 sollten statt dessen montiert werden Um ein Problem auf gewissen früheren Flachbaugruppen zu beheben wird sie als Taktgeber Tastu...

Страница 180: ...s erzeugt wird Die Daten Eingabe vom integrierten COFDM Schaltkreis ist im I Q Format durch die Verbindungs Widerstände R848 R851 R852 R853 R854 R855 Die Funktionen des integrierten Schaltkreises für Vorwärts Fehlerkorrektur FEC sind Phasenverschobenes Dekodieren der Daten Entfernung der inneren und äußeren Windungs Kodierung Viterbi Dekodierung Entfernung der Entschlüsselung damit wird ein ungefä...

Страница 181: ...ell 103 Z02201 bietet HDLC Rahmen bei jeder Geschwindigkeit Der Chip leistet die gesamte Modulation Demodulation Filterung A D und D A Umwandlung sowie Funktionen zum Senden und Empfangen Z02201 bietet umfassende und flexible Ton Erzeugung und Erkennung Das umfasst alle Töne die erforderlich sind um eine Schaltkreis Verbindung herzustellen und eine Kommunikationsverbindung aufzubauen und zu steuer...

Страница 182: ...al Umsetzer Daten Bit 8 Tuner Analog Digital Umsetzer Daten Bit 6 TP879 EX AD7 Externe Verbindung Analog Digital Umsetzer Daten Bit 7 Tuner Analog Digital Umsetzer Daten Bit 5 TP880 EX AD6 Externe Verbindung Analog Digital Umsetzer Daten Bit 6 Tuner Analog Digital Umsetzer Daten Bit 4 TP881 EX AD5 Externe Verbindung Analog Digital Umsetzer Daten Bit 5 Tuner Analog Digital Umsetzer Daten Bit 3 TP88...

Страница 183: ... A043 EX AD8 Externe Verbindung Analog Digital Umsetzer Daten Bit 8 Tuner Analog Digital Umsetzer Daten Bit 6 A044 EX AD9 Externe Verbindung Analog Digital Umsetzer Daten Bit 9 Tuner Analog Digital Umsetzer Daten Bit 7 A081 3v3 COFDM 3V3 COFDM gefilterte Versorgung A097 EXT IN 0 Eingabe Anschluss nicht benutzt 0V A093 EXT IN 1 Eingabe Anschluss nicht benutzt 0V A098 EXT IN 2 Eingabe Anschluss nich...

Страница 184: ...be Bus Bit 4 nur für Testzwecke TP842 MUX OUT 3 MUX Eingabe Bus Bit 3 nur für Testzwecke TP843 MUX OUT 2 MUX Eingabe Bus Bit 2 nur für Testzwecke TP844 MUX OUT 1 MUX Eingabe Bus Bit 1 nur für Testzwecke TP845 MUX OUT 0 MUX Eingabe Bus Bit 0 nur für Testzwecke A108 INTF MODE Auswahl für Serienbetrieb A110 PLLP2IO Steuerspannung für spannungsgesteuerten Oszillator VCO A109 PLLVDD PLL VDD für interne...

Страница 185: ...bis 10V Rechteckwelle zur Erzeugung von 10V von 10V A116 C1 5V bis 10V Rechteckwelle zur Erzeugung von 10V von 5V A118 V 10V für RS232 A221 GNDD Erde für RS232 Stecker A121 TX01 10V RS232 TX für 9 Weg D A129 RX01 10V RS232 RX von 9 Weg D A216 RS232 RX 5V RS232 RX für Mips A133 RS232 TX 5V RS232 TX von Mips A204 RS232 RTS 5V RS232 RTS von Mips A144 RS232 CTS 5V RS232 CTS für Mips A145 CTS01 10V RS2...

Страница 186: ...reis zum Zurückstellen der Modem Datenpumpe A100 HA0 Modem Adressen Leitung 0 A105 HA1 Modem Adressen Leitung 1 A101 HA2 Modem Adressen Leitung 2 A089 HIRQ Host Unterbrechungs Anforderung A088 HRD Host Lese Freigabe Impulseingang A095 HWR Host Schreib Freigabe Impulseingang A083 HD0 Modem Daten Leitung 0 A076 HD1 Modem Daten Leitung 1 A082 HCS Host Chip Auswahl A094 XTAL1 Quarzschwinger Eingabe 14...

Страница 187: ...hnitts gesteuert R248 R244 R243 R242 C231 C215 Der Oszillator wird eingerastet auf die ankommenden Daten durch die PLL im integrierten Demux Schaltkreis siehe unten Die Versorgung für den Oszillator wird durch L202 entkoppelt Der Oszillator Ausgang vom Emitter von Q201 ist wechselstrom gekoppelt und vorgespannt für den Taktgeber Puffer der durch C234 R215 R216 folgt Der Ausgang des Oszillators wir...

Страница 188: ...gang FS2 FS1 FS0 MHz MHz 0 0 0 Dreistufen Logik Dreistufen Logik 0 0 1 1 8620 256 x 16 0kHz 0 1 0 1 8620 256 x 22 05Hz 0 1 1 1 8620 256 x 24 00kHz 1 0 0 1 8620 256 x 32 00kHz 1 0 1 1 8620 256 x 44 10kHz 1 1 0 1 8620 256 x 48 00kHz 1 1 1 Pegel L Pegel L Siehe auch das Schaubild im Abschnitt AV Decoder weiter unten SCHALTTECHNIK DER GEMEINSAMEN SCHNITTSTELLE CI Die MPEG Schaltplatte hat Vorkehrungen...

Страница 189: ... Abschnitt weiter unten mit Hilfe von Quittungsbetriebs Leitungen und eines Konfigurations Registers um die korrekte Programmierung der Geräte zu bestätigen Der übertragene Code kann derselbe sein für Flachbaugruppen die ein oder zwei Geräte tragen wenn das zweite FPGA nicht montiert ist wird der zusätzliche Code vom ersten Gerät ignoriert Obwohl die FPGAs programmierte Geräte sind verhalten sie s...

Страница 190: ...rnen Logik prüfen und die Audio PLL Ausgangs Frequenz einstellen kann Bits 3 7 sind der Konfigurations Überprüfung zugewiesen und werden nicht benutzt auf Null gestellt Bits 0 2 tragen die Audio PLL Einstellungs Werte FS0 FS2 deren Initialisierungs Wert 6 ist was 48 kHz für Audio entspricht Die integrierten CI Regler Schaltkreise werden anfangs direkt von der 5V Stromversorgung gespeist werden abe...

Страница 191: ... System aus Haupt System CPU Einrasten der ankommenden Daten auf den Haupt System Taktgeber und Erzeugung des internen 54MHz Taktgebers durch PLL Transportstrom Entmultiplexierung und SI Dekodierung Paket Dekodierung und AV Daten Übertragung an den AV Chip Trennung der PES Ströme für die Ausgabe an die IEEE1394 Schnittstelle für eventuelle zukünftige Verwendung CPU FUNKTIONEN Siehe auch Schaubild ...

Страница 192: ... und MPEG Flachbaugruppen gesteuert werden nämlich Anschluss Identifizierung Eingang Ausgang Funktion GP1040 O 22kHz Freigabe für QPSK Gebrauch GP1041 O TS NPES GP1042 O NVM Schreibschutz GP1043 O Rückstellung für PAL Encoder und integrierte AV Decoder Schaltkreise GP1044 I ROM_GRÖSSE Eingangs Fühler Stift GP1045 O Rückstellung für Eingangs Flachbaugruppe GP1046 O Rückstellungs Impuls für 18MHz Ta...

Страница 193: ... 80 0000 CS miss Nicht zugewiesen 4MB 40 0000 Anschlussgerät 2MB Adressbereichsabbild Chip Auswahl Gebrauch Adresse Hex 40 0000 Anschlussgeräte 2MB Chip Auswahl fehlt IEEE1394 Externer DRAM Regler 23 0000 Dieser Bereich wird CS3 AV Chip Decoder abgebildet wie in der 22 0000 Tabelle rechts gezeigt Nicht zugewiesen 20 2000 Chip Auswahl fehlt Gemeinsame Schnittstelle B 20 0000 20 0000 Primär DRAM 2MB...

Страница 194: ...RANSPORTSTROM ENTMULTIPLEXIERUNG L64108 Die Funktionalität dieses Abschnitts deckt ab Parsing der internationalen Maßeinheits Daten vom Transportstrom Herausnehmen des Transportstrom Pakets für die Video und Audio Funktionen Zwischenspeicherung der Video und Audio Daten auf den AV Chip Herausnehmen der Daten Pakete die mit grafischen Objekten und Bildern verbunden sind die angezeigt werden sollen ...

Страница 195: ...f dem AV Bus geschickt Er besteht aus 8 Bit breiten Daten Video Abtastung gültig Audio Abtastung gültig Video Abtastungs Anforderung Audio Abtastungs Anforderung Fehler Leitung Mit dem E BUS steuert der CPU den AV Chip und leitet grafische Bild Bitmaps weiter die angezeigt werden sollen Die Daten bestehen aus gemischten Audio und Video Abtastungen die durch die gültig Signale identifiziert werden ...

Страница 196: ...erden vom Video Encoder erzeugt und der integrierte AV Decoder Schaltkreis wird im untergeordneten Betrieb gesteuert beide sind negative Synchronisiersignale Die Information für die Anzeige wird vom AV Chip in einem Zwischenzeilen Format strukturiert das für ein normales 5 Felder Sekunde Fernsehbild optimiert ist Der Audio Überabtastungs Taktgeber wird vom integrierten Audio PLL Schaltkreis IC220 ...

Страница 197: ...log Wandler geliefert Die Ausgänge sind Stereo links rechts Audio und werden von R511 R500 C504 C505 bei Ausgang PL500 gefiltert um ESD und gewissen Interferenz Schutz zu bieten Es gibt keine Steuerungs oder Rückstellungs Funktionen auf dem Digital Analog Wandler Der Ausgang erfolgt über PL500 EXTERNER DRAM REGLER IC700 IC701 ALLGEMEINES Die Flachbaugruppe hat Vorkehrungen für einen externen DRAM ...

Страница 198: ...ellt Diese Schnittstelle ist derzeit nicht auf den Flachbaugruppen montiert JTAG TEST FÄHIGKEIT Der Sicherungsschicht Chip hat JTAG Test Fähigkeit Er kann konfiguriert werden als Teil eines Testsystems mit einer Schleife oder zwei Schleifen mit einigen der anderen Chips auf der Flachbaugruppe näheres dazu im folgenden JTAG Test Abschnitt ...

Страница 199: ...rch den Gebrauch der CPU R NW Leitung um die Zahl der Zyklen zu vermindern die benötigt werden um das Lesen von und Schreiben an die Geräte auszuführen Der serielle Bus besteht aus 2 Teilen einer ist nur für den CPU Demux und der zweite für alle anderen Geräte das ermöglicht ein effizienteres Flash Chip Herunterladen durch die JTAG Verbindung weil die Kette kürzer ist Null ohmige Widerstands Verbi...

Страница 200: ...199 ...

Страница 201: ...iver Pegel L TP128 CS_AV AV Chip Auswahl aktiver Pegel L TP129 VSYNC_AV Vertikale Synchronisierung in AV Chip aktiver Pegel L TP130 HSYNC_AV Horizontale Synchronisierung in AV Chip aktiver Pegel L TP131 OSD Bildschirmanzeige vorhanden aktiver Pegel H TP132 YC7_AV Video Ausgang 7 an integrierten Schaltkreis des Encoders TP133 YC6_AV Video Ausgang 6 an integrierten Schaltkreis des Encoders TP134 YC5...

Страница 202: ... Taktgeber Ausgang 4 TP262 CLK_27_5 27 MHz Oszillator Taktgeber Ausgang 5 TP226 CLK_27_6 27 MHz Oszillator Taktgeber Ausgang 6 TP225 CLK_27_7 27 MHz Oszillator Taktgeber Ausgang 7 TP224 CLK_27_8 27 MHz Oszillator Taktgeber Ausgang 8 TP223 CLK_27_9 27 MHz Oszillator Taktgeber Ausgang an CPU PLL TP1067 PDATA_DIR Steuerung für parallellen Datenübertragungsweg TP218 MCLK_54 54MHz Taktgeber Ausgang nac...

Страница 203: ...eglers TP260 DMACK DMA Bestätigung TP261 RESET Nicht Rückstellung TP1156 ACLK Überabtastungs Taktgeber TP1150 DMREQ DMA Anforderung TP231 CS0 Nicht Chip Auswahl 0 TP1106 CS1 Nicht Chip Auswahl 1 TP204 IMPULSEINGANG IEEE1284 IEEE1394 Datenimpulseingang TP210 AUTOFD IEEE1284 universelle Steuerung TP202 INIT IEEE1284 Anschlussgerät Initialisierung TP209 SELECTIN IEEE1284 Anschlussgerät Auswahl Anzeig...

Страница 204: ...nimpulseingang TP436 SELECT IEEE1284 IEEE1394 Anschlussgerät Auswahl TP437 ERROR IEEE1284 IEEE1394 Anschlussgerät Fehler TP424 TS_CI_DEMUX_0 MPEG Transport 0 TP425 TS_CI_DEMUX_1 MPEG Transport 1 TP426 TS_CI_DEMUX_2 MPEG Transport 2 TP427 TS_CI_DEMUX_3 MPEG Transport 3 TP428 TS_CI_DEMUX_4 MPEG Transport 4 TP429 TS_CI_DEMUX_5 MPEG Transport 5 TP430 TS_CI_DEMUX_6 MPEG Transport 6 TP431 TS_CI_DEMUX_7 ...

Страница 205: ...ressbus Bit 14 TP371 MD10_B CI 2 Transportstrom Daten in Bit 0 TP380 A13_B CI 2 Adressbus Bit 13 TP381 M1STRT_B CI 2 Transportstrom Paket Start Eingang TP382 A8_B CI 2 Adressbus Bit 8 TP383 IOWR _B CI 2 Modul Schreib Freigabe TP384 A9_B CI 2 Adressbus Bit 9 TP385 IORD _B CI 2 Modul Lese Freigabe TP386 A11_B CI 2 Adressbus Bit 11 TP387 VS1 _B CI 2 Modul Spannungfühler Stift 1 TP389 OE _B CI 2 Modul...

Страница 206: ...E1394 an CI 1 Bit 1 TP490 TS2_IN_0 Transportstrom Daten IEEE1394 an CI 1 Bit 0 TP412 CPU_D0 Haupt CPU Datenübertragungsweg Bit 0 TP413 CPU_D1 Haupt CPU Datenübertragungsweg Bit 1 TP414 CPU_D2 Haupt CPU Datenübertragungsweg Bit 2 TP415 CPU_D3 Haupt CPU Datenübertragungsweg Bit 3 TP416 CPU_D4 Haupt CPU Datenübertragungsweg Bit 4 TP417 CPU_D5 Haupt CPU Datenübertragungsweg Bit 5 TP418 CPU_D6 Haupt CP...

Страница 207: ...Daten Anforderung Signal TP514 TTXDATA Teletext Daten Eingang TP516 RSET Einstellung für Video Signal Amplitude in voller Größe TP500 VSYNC_AV Vertikalimpuls TP502 ALSB TTL Adressen Eingang TP513 I 2 C_ADDRESS I 2 C_ADRESSE TP503 PALENC_AV_RESET PALENC_AV_RÜCKSTELLUNG TP512 COMP PAL Encoder Komparator Eingang TP528 VREF PAL Encoder Vergleichsspannung TP544 SCL I 2 C Taktgeber TP548 SDA I 2 C Daten...

Страница 208: ... 5V MPEG Stromversorgung TP625 LREQ IEEE1394 TP626 SYSCLK IEEE1394 TP627 CTL0 IEEE1394 TP628 CTL1 IEEE1394 TP629 D0_1394 IEEE1394 TP630 D1_1394 IEEE1394 TP631 D2_1394 IEEE1394 TP632 D3_1394 IEEE1394 TP664 D0_1394 IEEE1394 TP665 SYSCLK IEEE1394 TP660 LREQ IEEE1394 TP663 STAT0 IEEE1394 TP646 STAT0 IEEE1394 TP648 IEEE1394 TP654 ISO IEEE1394 TP659 PHY_RESET IEEE1394 TP661 CTL_0 IEEE1394 TP662 CTL_1 IE...

Страница 209: ...g DRAM Regler an DRAM Bit 11 Externer DRAM TP713 EBM_D12 Datenübertragungsweg DRAM Regler an DRAM Bit 12 Externer DRAM TP714 EBM_D13 Datenübertragungsweg DRAM Regler an DRAM Bit 13 Externer DRAM TP715 EBM_D14 Datenübertragungsweg DRAM Regler an DRAM Bit 14 Externer DRAM TP716 TDO_I_DRAMC_LLC JTAG Test Daten Ausgang TP717 EBMA0 Adressbus DRAM Regler an DRAM Bit 0 Externer DRAM TP718 EBMA1 Adressbus...

Страница 210: ...angs Flachbaugruppe für komplettes Modul Ein 1mm FFC und Stecker wurden benutzt Stecker PL802 Eingang 4 Weg Rechtwinklige Oberflächenmontagetechnik Molex Typ 52207 0490 terrestrisch 7 Weg Rechtwinklige Oberflächenmontagetechnik Molex Typ 52207 0790 Satellit E5102 Motherboard 4 Weg mit geraden Anschlüssen JST Typ 04FMN BTRK Signal name Spannung Strom Von An Zahl der Anschluss stifte Stift Nummer 9V...

Страница 211: ...name Von an Zahl der Anschlussstifte Stift Nummern Bildaustast Synchronsignal 75R PAL NTSC Luminanz CVBS Y_ DIG Modul an Grundplatte Motherboard 1 3 Rot Komponente Chrominanz R C_DIG Modul an Grundplatte Motherboard 1 9 G Komponente Luminanz G Y_DIG Modul an Grundplatte Motherboard 1 7 B Komponente Bildaustast Synchronsignal B CVBS_ DIG Modul an Grundplatte Motherboard 1 5 9V Ausgangs Versorgung 9...

Страница 212: ...R Modem AT signalisiert DTR 1 Bereitstellung 2 NVM_WP NVM Schreibschutz 1 3 MODEM_CTS Modem AT signalisiert CTS 1 4 MODEM_DSR Modem AT signalisiert DSR 1 Bereitstellung 5 OFFHOOK OFFHOOK Signal von Modem 1 6 MODEM_to_CP U Modem AT signalisiert Tx 1 7 CPU_to_MODE M Modem AT signalisiert Rx 1 8 MODEM_RTS Modem AT signalisiert RTS 1 9 RS232_RX RS232 Rx 1 10 RS232_TX RS232 Tx 1 11 RS232_RTS RS232 RTS ...

Страница 213: ...k JST Typ 18FMN BMT TF Spannung Stift Beschreibung Strom Zahl der Verbindungen Stift Nummer 5V_MPEG 2 1 2 3 3V_MPEG 3 6 7 8 12V_MPEG 1 10 GND 5 3 4 9 13 17 18 SDA I2C Bus 1 11 SCL I2C Bus 1 12 RESET Haupt MPEG CPU Rückstellung 1 14 18M_CLK_RESE T COFDM 18 54MHz PLL Rückstellung 1 15 TUNER_RESET Nur Tuner Rückstellung 1 16 5 PLD MPEG Bereitschaft 5V 1 5 Insgesamt benötigte Stifte 18 STECKER H MOTHE...

Страница 214: ...ard Stecker E5284 DSTB Funktion Zahl der Verbindungen Stift Nummer Test siehe Anmerkung 8 1 8 5V 1 7 TXDATA 1 6 RXDATA 1 5 12V 1 4 RESET siehe Anmerkung 9 1 3 VPP Programmier Spannung siehe Anmerkung 8 1 2 Anschluss 6 0 Steuerverbindung 1 10 GNDD siehe Anmerkung 8 2 1 9 Gesamtzahl der Stifte 10 Anmerkung 10 Damit können Verbindungsblöcke über die Stifte 1 und 2 sowie 8 und 9 montiert werden wenn s...

Страница 215: ... Installationsfläche ist auf dem DSTB Motherboard vorhanden STECKER N JTAG ANSCHLUSS STECKER Siehe Anmerkung 16 Stecker für JTAG Herunterladen Dieser Stecker ist ein 14 Weg Molex Picoflex Sockel Stecker PL205 MPEG Funktion Zahl der Verbindungen Stift Nummern TDI_CPU 1 1 TDO_CPU 1 2 TMS_CPU 1 3 TDI_CI_LLC 1 4 TMS_CI_LLC 1 5 TRST CPU 1 6 TCK_CPU 1 7 TDO_CI_LLC 1 8 TCK_CI_LLC 1 9 GNDD 1 10 12 14 TRST...

Страница 216: ...n Zahl der Verbindungen Stift Nummern 5V_MPEG 1 1 CPU_A0 1 2 CPU_A1 1 4 CPU_D0 1 5 CPU_A2 1 6 CPU_D1 1 7 CPU_A3 1 8 CPU_D2 1 9 CPU_A4 1 10 CPU_D3 1 11 CPU_A5 1 12 CPU_D4 1 13 CPU_A6 1 14 CPU_D5 1 15 CPU_A7 1 16 CPU_D6 1 17 CPU_A8 1 18 CPU_D7 1 19 CPU_A9 1 20 CPU_D8 1 21 CPU_A10 1 22 CPU_D9 1 23 CPU_A11 1 24 CPU_D10 1 25 CPU_A12 1 26 CPU_D11 1 27 CPU_A13 1 28 CPU_D12 1 29 CPU_A14 1 30 CPU_D13 1 31 ...

Страница 217: ...09 und C914 wirken als Schaltkreis für weichen Start dies begrenzt die Impulsbreiten Ausgabe von Stift 6 während der Einschaltzeit und ermöglicht einen allmählichen Anstieg zu voller Leistung Q909 R918 und die damit verbundene Schalttechnik vermindern die Frequenz der Stromversorgung wenn das Gerät in Bereitschaft ist Eine Prüfspannung gleichgerichtet durch D922 bestehend aus R905 und R906 versorg...

Страница 218: ...len Methoden mit denen man es aus der Bereitschaft herausholt aber wenn die Ursache für die Aktivierung des Schutzschaltkreises nicht behoben wird wird das Gerät wieder in den Bereitschaftszustand zurückkehren Der Überlaststrom für die 16V Audioversorgung benutzt Komparator 1 die Widerstände R967 und R964 bauen auf Stift 6 eine Vergleichsspannung auf Die verglichene Spannung wird zu Stift 7 gespei...

Страница 219: ...hgerichtet was 38V produziert die durch C40 geglättet werden Diese Spannung wird dann erniedrigt um 30V bei 20mA über R96 zu liefern und wird von ZD21 synchronisiert Wicklung 10 14 produziert 5V bei 1 5A nach Gleichrichtung durch D17 und Glättung durch C37 38 Diese Spannungsschiene ist die höchste Stromschiene und wird zur Regelung benutzt über IC8 und liefert Rückkopplung über IC4 an Stift 1 von ...

Страница 220: ...rd unten näher beschrieben WARTUNGSMENÜ FÜR TUNER EINSTELLUNG Dieses Menü bietet folgende Auswahl Std IF AFC Die Einstellung dieser Position beginnt die automatische Scharfabstimmung für Standards BG I DK Konsultieren Sie das Abstimmungsverfahren für näheres L IF AFC Die Einstellung dieser Position beginnt die automatische Scharfabstimmung für Standard L Konsultieren Sie das Abstimmungsverfahren f...

Страница 221: ...benutzt wird Die Justierung der Textverschiebung führt zur Anzeige eines Teletexttestmusters um die Justierung zu erleichtern WARTUNGSMENÜ FÜR WEISSPUNKT EINSTELLUNG Konsultieren Sie das Abstimmungsverfahren für näheres wie man diese Parameter einstellt Mit der Auswahl von Mehr gelangen Sie zum Weißpunkt Mehr Menü WARTUNGSMENÜ FÜR WEISSPUNKT MEHR EINSTELLUNG Konsultieren Sie das Abstimmungsverfahr...

Страница 222: ...betriebsart eingestellt ist können die anderen Auswahlmöglichkeiten wirksam werden Die Menüs für Bild und Installation stehen dem Benutzer nicht zur Verfügung wenn der Fernseher in der Hotelbetriebsart und nicht im Wartungsbetrieb ist Keine Bereitschaft Wenn die Auswahl auf ON eingestellt ist dann wird sich der Fernseher jedesmal aus der Bereitschaft heraus anschalten wenn er in der Hotelbetriebsa...

Страница 223: ... bei der Kommunikation auf dem I2C Bus weil eines oder beide SDA SCL Signale an Masse oder 5V kurzgeschlossen wurden 0007 Das Gerät lässt sich nach drei Versuchen nicht einschalten Der Grund ergibt sich aus den anderen Fehlerkodes 0008 Der Mikroprozessor hatte eine Netz Ein Grundstellung normalerweise infolge Versagens der 5V Bereitschafts Stromversorgung oder wegen Abschaltung des Netzstroms zum ...

Страница 224: ...ht diese Angabe auf falsch wenn der Fernseher aus der Bereitschaft genommen wird und auf wahr wenn der Fehler entdeckt wird Eine Abbildung wie diese Information auf dem Bildschirm dargestellt wird finden Sie weiter unten STROMPERIODENZÄHLER Der EEPROM speichert die Zählung wie oft der Fernseher eingeschaltet wird Diese Zählung erhöht sich jedesmal um 1 wenn der Fernseher eingeschaltet wird und wir...

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Страница 298: ...5 0 Tel 093 409 2550 Fax 02 11 5 29 15 190 Fax 093 491 3513 Email HSE DUS Service Hitachi eu com Email rplan hitachi eu com HITACHI SALES ITALIANA SPA HITACHI HOME ELECTRONICS Via Gulli n 39 NORDIC AB 20147 MILAN Box 77 ITALY S 164 94 KISTA Tel 02 38073415 SWEDEN Fax 02 48786381 2 Tel 08 562 711 00 Email customerservice italy hitachi eu com Fax 08 562 711 11 Email csgswe hitachi eu com HITACHI FRA...

Страница 299: ...Users Guide C28W40TN C32W40TN ...

Страница 300: ...ate a centre channel this anchors dialogue and central sounds to the screen so that speech does not become disembodied or lost in sound effects Dolby Pro Logic together with Hitachi s unique 3DS Spatial Sound system will allow you to enjoy the full Cinema Sound in your own home In addition to this your Hitachi TV has full expansion sockets to accommodate optional speaker systems so you can set up ...

Страница 301: ...rce Entry 20 Audio and Equaliser Controls 22 Features Sleep Timer and Wide Screen 24 Sound Mode 27 Hitachi 3DS Sound System 28 Sound Features 29 Speaker Setup 30 Surround Setup 31 AV Setup 32 Handset Controls Television Operation 33 Handset Controls Teletext Functions 34 Teletext Operation 35 Digital Personal Identification Number 36 Digital Autotune 37 Digital Locking Channels 38 Digital Organise...

Страница 302: ...capped people DO NOT obstruct the ventilation of equipment for example with curtains or soft furnishings or place your TV onto a carpet during operation which could also obstruct ventilation Overheating will cause damage and shorten the lifespan of your equipment DO NOT use makeshift stands and never fix legs or stands to the TV with any screws other than those provided to ensure complete safety a...

Страница 303: ...teries of different types since this can result in leakage or in extreme cases fire or explosion always Store unused batteries in their packaging and away from metal objects which may cause a short circuit resulting in leakage or in extreme cases fire or explosion always Remove dead batteries from equipment and all batteries from equipment that is to be left for long periods of time without any us...

Страница 304: ...ion on page 32 1 2 3 Video Cassette Recorder Connect aerial RF link lead to VCR RF in 2 Connect aerial RF lead to digital in marked 1 Connect aerial RF link lead to TV analogue in marked 2 Connect aerial RF lead to digital in marked 1 4 1 2 It is recommended that the RF aerial leads which connects external equipment to your TV and the actual aerial lead itself should be of the highest quality This...

Страница 305: ... Scart leads are an optional extra Important If you have not already done so please read television safety on page 4 before connecting your television and external equipment insert plug and switch on 5 A scart lead should be fitted between your TV and VCR to enhance your picture and sound quality They are also rquired to record digital programs Scart leads are essential if you have a stereo TV and...

Страница 306: ...e when in standby mode To use the controls push the door in and release These sockets are for use with external equipment see page 9 This socket is for use with external equipment see page 9 Used with headphones 3 5mm stereo jack plug required Used to access your on screen MAIN MENU for TV features adjustment Used to change the TV channel up or down or cursor up and down when using On Screen Displ...

Страница 307: ...nd connect your equipment as detailed here Switch your TV on and press the TV AV button on your handset until AV3 is displayed on your TV screen Now begin playback operation of your equipment Alternatively you could allocate an individual channel number for your camcorder equipment see signal source entry on page 20 connecting to the mains socket Important If you have not already done so please re...

Страница 308: ... require a modem lead 431A plug to RJ11 plug and a dual outlet adaptor to connect to your existing phone socket Details on how to connect the equipment are given in modem set up on page 42 NOTE Your Hitachi TV with modem has what is called a Ringer Equivalence Number REN This is shown on a label fitted on the back cover near the scart sockets With external equipment this modem socket is connected ...

Страница 309: ...ion using 5 external speakers full Dolby Pro Logic can be achieved enhancing your viewing and listening experience R L L R S C AUDIO LINE OUT AV1 AV2 2 X 12W 8 Use this to connect digital video broadcasting equipment home computers and home entertainment systems to your TV Output from this connector can be selected See AV setup on page 32 This should be permanently connected to an RF source i e yo...

Страница 310: ...enu selection box right Use this button to move the menu selection box left Use this button to move the menu selection box up Use this button to move the menu selection box down cursor down cursor up go back accept menu exit cursor right The handset controls shown below are used when programming your TV and to adjust the sound and picture features cursor left Use these buttons to enter frequency v...

Страница 311: ...otune procedure Your TV will now search through the digital frequencies It stores them in the DIGITAL ORGANISER as it finds each digital program 3 To make your program tuning easier HITACHI have installed an automatic tuning procedure to find the digital and analogue programs Switch your TV on If you are satisfied all external equipment has been connected you can begin AUTOTUNE It is recommended t...

Страница 312: ...osition you want to change in the example on the right it is the BBC1 service 4 Using the up down cursor keys move your selected program to the program number you wish it to occupy 6 Press OK to confirm your new program position repeat if necessary 7 Programs can also be deleted see Digital Organiser Program Delete on page 39 Use to choose OK to select service Re order service list or delete servi...

Страница 313: ...The selection bar turns red it is ready to be changed Use the cursor keys to move the selection bar over the program FREQUENCY required to be adjusted entry method 1 The first option will be to fine tune the chosen frequency either up or down 1 2 3 4 5 6 7 Select your choice of FREQUENCY entry method using the left right cursor keys 8 To switch your TV between analogue and digital systems the digi...

Страница 314: ...h becomes an option you can search either up or down entry method 3 If the right cursor key is pressed again you can enter a two digit channel CH number using the buttons 0 9 entry method 4 If the right cursor key is pressed again you can enter a two digit S Band number using the handset buttons 0 to 9 entry method 5 If the right cursor key is pressed again you can manually input a five digit freq...

Страница 315: ... turn red and the chosen character will flash on and off it is ready to be changed You can input up to 5 characters to change each character use the up down cursor buttons to change each letter or symbol To move from character to character use the right left cursor buttons Once the new NAME has been chosen and entered confirm your entry to be stored and repeat if necessary To return to normal TV o...

Страница 316: ...ed selection bar using the up down cursor buttons of the program to be swapped Once this has been done accept selection and the two chosen programs will swap position repeat if necessary To return to normal TV operation press the television button on your handset Select your first program to swap by moving the selection bar using the up down cursor buttons over a channels PR number 1 2 3 4 5 6 7 8...

Страница 317: ... it appears less blurred especially in the left and right edges of the screen Select the picture control to be adjusted by using the up down cursor buttons Once highlighted adjust the chosen controls by pressing the right left cursor buttons 3 4 To select MORE options use the up down buttons to highlight selection and then press OK to confirm 5 Select the picture control to be adjusted by using th...

Страница 318: ...done by pressing the standby button followed within a second by pressing the AV button This ensures that the digital circuitry your analogue signal passes through is awake enabling you to record then notes on signal source entry Each piece of external equipment connected to your TV must have its own input socket It would also be easier and more organised if the external equipment connected also ha...

Страница 319: ...e audio video sockets at the front of your TV option 4 RGB is the signal source used when connecting digital video broadcasting equipment or home entertainment systems to your TV through the AV2 scart lead at the rear of your TV Once the signal source for each relevant program number has been decided this can be stored in your TV s memory by pressing the conformation button To return to normal TV ...

Страница 320: ...control ON to compensate for the lack of low and high frequencies Press the MENU button to obtain MAIN MENU Press the cursor down button to select AUDIO Once highlighted accept selection 1 2 3 4 5 6 7 equaliser The EQUALISER menu is used to adjust the tonal ranges of your TV s sound balance Only available when in hall or stereo sound mode This control is used to increase or decrease the sound volu...

Страница 321: ... to enhance the TV s sound 1 5kHz mid range Use this control to adjust the mid range voice area of your TV s sound 5kHz mid high range When this control is increased it emphasises the flute and string instruments of your TV s sound when decreased it has a soothing effect on the sound 10kHz high range The sharp sound of triangles and cymbals are emphasised if this control is increased To return to ...

Страница 322: ...and programs are broadcast in Built into your TV is software that detects these WSS and automatically switches your TV to the correct format However some broadcasters do not transmit this WSS and so your TV will not recognise which format is being transmitted Therefore DEFAULT ZOOM is used to choose your picture requirements when a Wide Screen Signal has not been sent or has not been detected thes...

Страница 323: ...w transmit movies and programs in true wide screen format Built into your TV is software that detects these signals and automatically switches your TV to the correct format However some broadcasters do not transmit this automatic sensing signal and so your TV will not recognise which format is being transmitted This situation can be overcome by simply pressing the key on your handset The picture r...

Страница 324: ...expand a 16 9 letter box broadcast so that it uses the full screen to display the picture so that the image does not appear crushed TV set to 16 9 after panoramic format The panoramic mode emulates that of a wide screen broadcast for 4 3 transmissions This is achieved by maintaining the proportions of the centre of the screen while shrinking the images on the top and bottom of the screen Note This...

Страница 325: ...e creates an ambient sound effect especially when viewing mono broadcasts Again this mode is very effective when used in conjunction with external surround amplifiers Activate the 3DS mode whilst using the TV s internal speakers to obtain equally pleasing sound from your TV stereo When stereo mode is selected your TV produces high quality stereo sound Select this mode when viewing general TV progr...

Страница 326: ...m the TV giving the impression of sound coming from the sides of the room rather than the TV s internal speakers whilst the important centre dialogue channel is unaltered still appearing to come from the centre of the screen 3DS Stereo sound button on off Use this button on your handset to activate the 3DS sound spatializer and another press to deactivate the sound system when activated a symbol a...

Страница 327: ...om the TV Use this mode when viewing action movies or sports events to obtain spatialising acoustic performance Use the button on your handset to switch to wide stereo If you are in Dolby Pro Logic Mode this button will activate the Hitachi 3DS sound system monaural In this mode the TV produces a single sound source The TV will automatically select this sound when a mono signal is found Some stere...

Страница 328: ...re dialogue information using the TV s left and right internal speakers To return to normal TV operation press the television button on your handset Press the up down buttons to make your selection Adjust using the left right cursor keys normal If you have a limited bass response centre amplifier connected to your TV then select the normal mode This mode will anchor dialogue to your centre amplifi...

Страница 329: ...e user to balance the sound by adjusting the volume level to each channel thus accommodating various room layouts Please note that the surround setup menu is only available in Dolby Pro Logic and Dolby Pro Logic Theatre modes and so the TV will automatically default to Dolby Pro Logic when selected NOTE When the surround setup menu begins the TV s sound is replaced by a noise signal This is easier...

Страница 330: ...hat external equipment is being connected to your TV s scart S VHS and or phono sockets If you have any equipment connected to your TV either permanently like a VCR or temporary like a camcorder it is important your TV knows which kind of equipment is connected and so you must switch the relevant AV VCR mode to ON for all VCR s in the case of having S VHS or Hi8 equipment AV1 SAV MODE must be set ...

Страница 331: ...controls Used to switch your TV in and out of standby mode see page 8 for details standby Used to increase or decrease your TV s volume volume controls This button allows you to switch between the various wide screen features of your TV see page 25 16 9 button Use this button to switch your TV between digital and analogue reception digital For other handset controls see handset controls program tu...

Страница 332: ...sion expand subtitles When entering a page manually this will take you to the index when in Fastext mode this will take you to the first page of the magazine in view index In Teletext mode views the previous five entered magazine pages in TV mode returns from your current viewing channel to the previous one swap red green yellow blue On certain pages in teletext these will have coded instructions ...

Страница 333: ... cookery page or gardening page the choice is yours These are accessed like Fastext by pressing the colour coded buttons on your handset Follow the steps Enter Telextext by pressing the Teletext button Enter favourite page mode by pressing the menu button this allows you to swap between Fastext and favourite page mode Press a colour coded key you wish to select as a favourite page number Repeat if...

Страница 334: ...uttons 0 to 9 enter this number 4 5 In the DIGITAL LOCK menu press the cursor down button to select CHANGE DIGITAL PIN 6 Once highlighted accept selection 7 You now have an opportunity to create your own PIN First enter your new PIN using the handset buttons 0 to 9 8 Keep your PIN number safe If you lose your PIN please consult your Hitachi dealer To adjust the digital features and to view digital...

Страница 335: ...NSTALL will be highlighted accept selection 4 The DIGITAL AUTOTUNE option will be highlighted accept selection 5 Use to choose OK to select Set up digital services Your TV will now search through the digital frequencies It stores them in the DIGITAL ORGANISER as it finds each digital program 6 To arrange the contents of your digital organiser see pages 39 and 40 To return to normal TV operation pr...

Страница 336: ...will appear next to the selected program this means the program is locked 13 To unlock a locked program select the program and again press the OK button the key symbol will disappear 14 12 NOTE When attempting to view a locked program there will be request to enter the PIN if this is not entered correctly access is denied To return to normal TV operation press the television button on your handset...

Страница 337: ... turn red 8 Using the up down cursor keys move your selected program to the program number you wish it to occupy 9 To organise programs you must swap their positions Use the up down cursor keys to highlight a program whose position you want to change in the example on the right it is the BBC1 program 7 Press the cursor down button to select DIGITAL ORGANISER Once highlighted accept selection 5 6 U...

Страница 338: ...hlight your choice of program to delete 11 Press OK to confirm your selection to delete and the selection bar will turn red 12 To return to normal TV operation press the television button on your handset 16 The program table now organises itself Repeat if necessary 15 Use the right cursor key to move the selection into the DELETE column 13 Press OK to confirm and the selection will disappear 14 ...

Страница 339: ...e as those entered into your VCR This ensures that your digital receiver is programmed to receive your digital broadcast which enables your VCR to record it Analogue programmes can still be watched but during the times that your set is in RECORD EVENT mode watching other digital programs cannot be done although there is an option to cancel the recording process view the digital program being recor...

Страница 340: ... a calender month will increase or decrease depending on which way you are adjusting the day value the month value by one This is also true of the year For example 31 03 98 01 04 98 Once RECORD EVENT is complete accept selection 13 The inputed program to record can now be viewed in RECORD MENU Repeat if necessary 14 To return to normal TV operation press the television button on your handset 15 Us...

Страница 341: ...lots at the rear of the TV this will offer you future services such as home shopping banking facilities sports events and home premieres To access these facilities a modem lead and adaptor must be purchased This lead will have two plugs a RJ11 plug for connection to your TV and a 431A plug which is connected to your existing telephone line with the help of an adaptor see illustration below Follow ...

Страница 342: ...fix number needs to be adjusted to accommodate that of the normal phonelines of your office factory or shop This number can be adjusted using the 0 to 9 buttons on your handset Press the cursor down button to select MODEM SETUP Once highlighted accept selection 4 5 Use up down cursor keys to select option to adjust 6 dialling mode The dialling mode requires you to inform the modem of what type of ...

Страница 343: ...your TV to update the software already present in your TV When necessary follow the steps below to enhance the capabilities of your equipment In digital mode press and hold the MENU button for 5 seconds The INSTALL option in the MAIN MENU appears Press the cursor down button to select INSTALL Once highlighted accept selection 1 2 3 Press the cursor down button to select DTT UPGRADE Once highlighte...

Страница 344: ...he handset controls below to use the on screen features available with your digital TV help This button is for development as an on screen aid in the use of future digital services info Use this button to display information on the program you are watching For other handset controls see handset controls program tuning on page 12 handset controls television operation on page 33 handset controls ana...

Страница 345: ...ate box program information When in GUIDE mode use the up down cursor buttons to select a program number in the program box When a program has been selected by pressing the right cursor button you can see what is on Next You can return to what is on in present time Press the left cursor button to return to Now 1 3 4 By pressing the INFO button you can see more details about a program in the progra...

Страница 346: ...gram start finish signal quality program name program number present time 24 hour D 3 11 58 Gardening Now 11 00 12 00 Signal Quality 07 Audio encryption subtitles parental lock language availability program information Pressing the INFO button once more allows you to see further details of the programs by the addition of another INFO screen see below By pressing the right cursor button you can see...

Страница 347: ...nce from electrical or mechanical motors fluorescent lights portable radios etc Check devices for shielding and renew if necessary or move further from TV TV may be in AV mode Picture sound controls set to minimum TV in standby mode Press television button or to buttons on handset to return to normal TV mode Check picture sound controls go to MAIN MENU press one of the buttons to Why doesn t my re...

Страница 348: ... or communal use this guarantee does not cover the replacement of exhausted batteries the adjustment of user controls or aerial alignment any parts replaced under this guarantee shall become the property of Hitachi Home Electronics Europe Ltd please note that evidence of the date of purchase will be required before any service under this guarantee is carried out Use the boxes provided below to rec...

Страница 349: ... RIGHT AUDIO INPUT RIGHT AUDIO OUT LEFT GROUND AUDIO NOT USED AUDIO INPUT LEFT NOT USED SWITCHING INPUT NOT USED NOT USED NOT USED NOT USED CHROMINANCE GROUND NOT USED CHROMINANCE INPUT S VHS NOT USED GROUND VIDEO GROUND VIDEO COMPOSITE VIDEO OUTPUT COMPOSITE VIDEO OR COMPOSITE LUMINANCE S VHS GROUND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 AUDIO OUT RIGHT AUDIO INPUT RIGHT AUDIO OUT ...

Страница 350: ... Reducing volume settings to sensible levels can reduce power consumption as well as reducing noise pollution and reducing contrast can provide a more pleasing picture as well as reducing power consumption Hitachi Home Electronics Europe Ltd manufacturing site in Wales is a BSI Registered Company and has been assessed to ISO 9001 Quality Management Standard certificate FM32366 Your television has ...

Страница 351: ...notes ...

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Страница 354: ...HITACHI FRANCE RADIO TV ELETRO MENAGER S A 4 Allee des Sorbiers Parc d activite du Chene BP 45 69671 Bron cedex FRANCE Tel 33 04 72 14 29 70 HITACHI SALES IBERICA S A Gran Via Carlos Tercero 101 1 1 Barcelona 08028 ESPAÑA Tel 34 93 409 25 50 HITACHI HOME ELECTRONICS HELAS S A 91Falirou Street 117 41 Athens GREECE Tel 01 924 2620 HITACHI HOME ELECTRONICS NORDIC AB Haukadalsgatan 10 Box 77 164 94 Ki...

Страница 355: ...Users Guide C28W35TN C32W35TN S C R E E N S C R E E N ...

Страница 356: ...hich immerses the viewer in ambience and special effects In addition to this the Pro Logic circuitry is able to create a centre channel this anchors dialogue and central sounds to the screen so that speech does not become disembodied or lost in sound effects Dolby Pro Logic together with Hitachi s unique 3DS Spatial Sound system will allow you to enjoy the full Cinema Sound in your own home In add...

Страница 357: ...Procedure 13 Progressive Scan and 100Hz picture 15 Picture Controls 16 Audio and Equaliser Controls 17 Sound Mode 19 Features Sleep Timer and Wide Screen 20 Program Name Change 23 Program Swap 24 Signal Source Entry 25 Surround Setup 27 Hitachi 3DS Sound System 28 Sound Features 29 Speaker Setup 30 AV Setup 31 Handset Controls Teletext Functions 32 Teletext Operation 33 Teletext Dual Page Feature ...

Страница 358: ...capped people DO NOT obstruct the ventilation of equipment for example with curtains or soft furnishings or place your TV onto a carpet during operation which could also obstruct ventilation Overheating will cause damage and shorten the lifespan of your equipment DO NOT use makeshift stands and never fix legs or stands to the TV with any screws other than those provided to ensure complete safety a...

Страница 359: ...teries of different types since this can result in leakage or in extreme cases fire or explosion always Store unused batteries in their packaging and away from metal objects which may cause a short circuit resulting in leakage or in extreme cases fire or explosion always Remove dead batteries from equipment and all batteries from equipment that is to be left for long periods of time without any us...

Страница 360: ...ect VCR out to your television s RF socket in marked with supplied lead 2 AV1 AV2 R L S C AUDIO LINE OUT L R 2 X 12W 8 Connect aerial RF lead to VCR RF in 1 Scart leads are an optional extra 3 IMPORTANT NOTE When you connect your VCR to your television the Audio Visual value has to be set correctly to ensure best picture quality see AV setup on page 31 1 2 3 Video Cassette Recorder ...

Страница 361: ...ed with supplied lead 1 3 AV1 AV2 R L S C AUDIO LINE OUT L R 2 X 12W 8 Connect satellite out to VCR RF in Scart leads are an optional extra 2 Important If you have not already done so please read television safety on page 4 before connecting your television and external equipment insert plug and switch on 4 A scart lead should be fitted between your TV and VCR to enhance your picture and sound qua...

Страница 362: ...oftware and components of your TV are shutting down To use the controls push the door in and release These sockets are for use with external equipment see page 9 This socket is for use with external equipment see page 9 Used with headphones 3 5mm stereo jack plug required Used to access your on screen MAIN MENU for TV features adjustment Used to change the TV channel up or down or cursor up and do...

Страница 363: ...rol panel door and connect your equipment as detailed here Switch your TV on and press the TV AV button on your handset until AV3 is displayed on your TV screen Now begin playback operation of your equipment Alternatively you could allocate an individual channel number for your camcorder equipment see signal source entry on page 25 connecting to the mains socket Important Please read television sa...

Страница 364: ...external speakers full Dolby Pro Logic can be achieved enhancing your viewing and listening experience R L L R S C AUDIO LINE OUT AV1 AV2 2 X 12W 8 Use this to connect digital video broadcasting equipment home computers and home entertainment systems to your TV This should be permanently connected to an RF source i e your aerial antenna The DIN sockets are used to connect two external speakers for...

Страница 365: ...ols program tuning 11 Use this button to move the menu selection box down cursor down cursor up go back accept menu exit cursor right The handset controls shown below are used when programming your TV and to adjust the sound and picture features cursor left Use this button to move the menu selection box left Use this button to move the menu selection box up This button is used to confirm a highlig...

Страница 366: ...ipment is tuned in during the autotune procedure To finish the installation process and return to normal TV operation press the menu button on your handset twice 8 To make your program tuning easier HITACHI have installed an automatic tuning procedure to find the programs Switch your TV on If you are satisfied all external equipment has been connected press the OK button on your handset and AUTOTU...

Страница 367: ... Once highlighted accept selection Once highlighted accept the selection to change the frequency and you will see the selection bar turn red it is ready to be changed Use the cursor keys to move the selection bar over the program FREQUENCY required to be adjusted entry method 1 The first option will be to fine tune the chosen frequency either up or down 1 2 3 4 5 6 7 Select your choice of FREQUENC...

Страница 368: ...od 2 If the right cursor key is pressed autosearch becomes an option you can search either up or down entry method 3 If the right cursor key is pressed again you can enter a two digit channel number CH using the buttons 0 9 entry method 4 If the right cursor key is pressed again you can enter a two digit S Band number using the buttons 0 9 entry method 5 If the right cursor key is pressed again yo...

Страница 369: ... 100Hz Natural Scan Our 100Hz TV s create double the number of images per second compared to a conventional 50Hz set This delivers sharper clearer more stable total pictures which are flicker free Our 100Hz sets also feature Natural Scan technology This process eliminates the slight trembling of lines on the picture that is visible on conventional TV sets giving a rock steady picture which is clea...

Страница 370: ...o normal TV operation 8 For picture and sound values moving the cursor left will decrease values whilst moving the cursor right will increase values Noise Reduction Helps reduce the noise interference visible on your television especially in weaker signal reception areas White Point NORMAL gives an equally balanced spectrum of colour COOL exaggerates the blue tones of your television picture WARM ...

Страница 371: ...e cursor down button to select AUDIO Once highlighted accept selection 1 2 3 4 5 6 7 equaliser The EQUALISER menu is used to adjust the tonal ranges of your TV s sound balance Only available when in hall or stereo sound mode This control is used to increase or decrease the sound volume from your right and left speakers volume control This control is used to increase or decrease the sound from your...

Страница 372: ...trol to enhance the TV s sound 1 5kHz mid range Use this control to adjust the mid range voice area of your TV s sound 5kHz mid high range When this control is increased it emphasises the flute and string instruments of your TV s sound when decreased it has a soothing effect on the sound 10kHz high range The sharp sound of triangles and cymbals are emphasised if this control is increased To return...

Страница 373: ...eates an ambient sound effect especially when viewing mono broadcasts Again this mode is very effective when used in conjunction with external surround amplifiers Activate the 3DS mode whilst using the TV s internal speakers to obtain equally pleasing sound from your TV stereo When stereo mode is selected your TV produces high quality stereo sound Select this mode when viewing general TV programs ...

Страница 374: ...programs are broadcast in Built into your TV is software that detects these WSS and automatically switches your TV to the correct format However some broadcasters do not transmit this WSS and so your TV will not recognise which format is being transmitted Therefore DEFAULT ZOOM is used to choose your picture requirements when a Wide Screen Signal has not been sent or has not been detected these ch...

Страница 375: ... broadcast stations now transmit movies and programs in true wide screen format Built into your TV is software that detects these signals and automatically switches your TV to the correct format However some broadcasters do not transmit this automatic sensing signal and so your TV will not recognise which format is being transmitted This situation can be overcome by simply pressing the key on your...

Страница 376: ...o is the format that is usually transmitted by the broadcasting stations The C16 9L format is used to expand a 16 9 letter box broadcast so that it uses the full screen to display the picture so that the image does not appear crushed before after panoramic format The panoramic mode emulates that of a wide screen broadcast for 4 3 transmissions This is achieved by maintaining the proportions of the...

Страница 377: ...e chosen character will flash on and off it is ready to be changed Note Pressing the 0 button will clear all the characters of the chosen name You can input up to 5 characters to change each character use the up down cursor buttons To move from character to character use the right left cursor buttons Once the new NAME has been chosen and entered confirm your entry to be stored and repeat if necess...

Страница 378: ...moving the selection bar using the up down cursor buttons Once this has been done accept selection and the two chosen programs will swap position repeat if necessary To return to normal TV operation press the television button on your handset Select your first program to swap by moving the selection bar using the up down cursor buttons over a channels PR number 1 2 3 4 5 6 7 8 9 10 It is advisable...

Страница 379: ...l equipment eg VCR through a scart lead to the AV1 socket at the rear of your TV 1 2 3 4 5 6 7 8 notes on signal source entry Each piece of external equipment connected to your TV must have its own input socket It would also be easier and more organised if the external equipment connected also had its own channel number Signal Source entry allows us to tell the allocated channel what equipment is ...

Страница 380: ...l source used when connecting digital video broadcasting equipment or home entertainment systems to your TV through the AV2 scart lead at the rear of your TV Once the signal source for each relevant program number has been decided this can be stored in your TV s memory by pressing the conformation button To return to normal TV operation press the television button on your handset 9 10 notes on RF ...

Страница 381: ...me therefore the surround setup menu allows the user to balance the sound by adjusting the volume level to each channel thus accommodating various room layouts Please note that the surround setup menu is only available in Dolby Pro Logic and Dolby Pro Logic Theatre modes and so the TV will automatically default to Dolby Pro Logic when selected NOTE When the surround setup menu begins the TV s soun...

Страница 382: ...m the TV giving the impression of sound coming from the sides of the room rather than the TV s internal speakers whilst the important centre dialogue channel is unaltered still appearing to come from the centre of the screen 3DS Stereo sound button on off Use this button on your handset to activate the 3DS sound spatializer and another press to deactivate the sound system when activated a symbol a...

Страница 383: ...om the TV Use this mode when viewing action movies or sports events to obtain spatialising acoustic performance Use the button on your handset to switch to wide stereo If you are in Dolby Pro Logic Mode this button will activate the Hitachi 3DS sound system monaural In this mode the TV produces a single sound source The TV will automatically select this sound when a mono signal is found Some stere...

Страница 384: ...alogue information using the TV s left and right internal speakers To return to normal TV operation press the television button on your handset Press the up down buttons to make your selection and adjust using the left right cursor keys normal If you have a limited bass response centre amplifier connected to your TV then select the normal mode This mode will anchor dialogue to your centre amplifie...

Страница 385: ...e any equipment connected to your TV either permanently like a VCR or temporary like a camcorder it is important your TV recognises which kind of equipment is connected and so you must switch the relevant AV to ON for all VCR s and camcorders in the case of having S VHS or Hi8 equipment AV1 SAV MODE must be set to the appropriate setting it is recommended that this setting is AUTO For example your...

Страница 386: ...d TV picture Used in Teletext mode to show hidden information eg quiz pages answers reveal dual page television expand subtitles When entering a page manually this will take you to the index when in Fastext mode this will take you to the first page of the magazine in view index In Teletext mode views the previous five entered magazine pages in TV mode returns from your current viewing channel to t...

Страница 387: ...ge cookery page or gardening page the choice is yours These are accessed like Fastext by pressing the colour coded buttons on your handset Follow the steps below to enter your favourite pages Enter Telextext by pressing the Teletext button Enter favourite page mode by pressing the menu button this allows you to swap between Fastext and favourite page mode Press a colour coded key you wish to use a...

Страница 388: ...ent of our televisions capabilities One of the features developed for the benefit of you the customer is the expansion of the Teletext service from a one page screen display to a feature that can be manipulated in a number of ways The instructions below show how to take advantage of this excellent feature whatever your viewing environment or demands single teletext page operation This option split...

Страница 389: ...ute This allows you to directly input known broadcasting CH or frequency numbers frequency Press this button to view the current TV status recall CH The handset controls shown here are used when your TV is in normal operation Used to change channels either up or down programme controls Used to switch your TV in and out of standby mode see page 8 for details standby Used to increase or decrease you...

Страница 390: ... radios etc Check devices for shielding and renew if necessary or move further from TV TV may be in AV mode Picture sound controls set to minimum TV in standby mode Press television button or to buttons on your handset to return to normal TV mode Check picture sound controls go to MAIN MENU press one of the buttons to Why doesn t my remote control handset work Why won t my TV switch on Check that ...

Страница 391: ... or communal use this guarantee does not cover the replacement of exhausted batteries the adjustment of user controls or aerial alignment any parts replaced under this guarantee shall become the property of Hitachi Home Electronics Europe Ltd please note that evidence of the date of purchase will be required before any service under this guarantee is carried out Use the boxes provided below to rec...

Страница 392: ...g volume settings to sensible levels can reduce power consumption as well as reducing noise pollution and reducing contrast can provide a more pleasing picture as well as reducing power consumption Hitachi Home Electronics Europe Ltd manufacturing site in Wales is a BSI Registered Company and has been assessed to ISO 9001 Quality Management Standard certificate FM32366 Your television has been man...

Страница 393: ...2 AUDIO OUT RIGHT AUDIO INPUT RIGHT AUDIO OUT LEFT GROUND AUDIO NOT USED AUDIO INPUT LEFT NOT USED SWITCHING INPUT NOT USED NOT USED NOT USED NOT USED CHROMINANCE GROUND NOT USED CHROMINANCE INPUT S VHS NOT USED GROUND VIDEO GROUND VIDEO COMPOSITE VIDEO OUTPUT COMPOSITE VIDEO OR COMPOSITE LUMINANCE S VHS GROUND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 AUDIO OUT RIGHT AUDIO INPUT RIGHT...

Страница 394: ...HITACHI FRANCE RADIO TV ELETRO MENAGER S A 4 Allee des Sorbiers Parc d activite du Chene BP 45 69671 Bron cedex FRANCE Tel 33 04 72 14 29 70 HITACHI SALES IBERICA S A Gran Via Carlos Tercero 101 1 1 Barcelona 08028 ESPAÑA Tel 34 93 409 25 50 HITACHI HOME ELECTRONICS HELAS S A 91Falirou Street 117 41 Athens GREECE Tel 01 924 2620 HITACHI HOME ELECTRONICS NORDIC AB Haukadalsgatan 10 Box 77 164 94 Ki...

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