DAEWOO ELECTRONICS DTA-14V1 Скачать руководство пользователя страница 12

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INST

ALL MENU

EDIT MENU

AUTO SETUP
Automatic search system.
EDIT
Programme list edition.
FREQ
Channel Frequency.
NAME
Channel name.
PROGRAM
Programme number.
STORE TO
Programme storage number.

PR
Programme number.
NAME
Station name.
Skip

: programme skipped.

INSTALL

AUTO SETUP
EDIT
FREQ
NAME
PROGRAM
STORE TO

211.25

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01
01

EDIT

NAME

SKIP

04
03
02
01
00
99
98

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Содержание DTA-14V1

Страница 1: ...14D2T 20D2T 21D2T 14D3 20D3 21D3 14D3T 20D3T 21D3T 14D4 20D4 21D4 14D4T 20D4T 21D4T 14D4TS 20D4TS 21D4TS 14D6T 20D6T 21D6T 14D7 20D7 21D7 14D7T 20D7T 21D7T 14D9 20D9 21D9 14D9T 20D9T 21D9T 21U6 21U6T...

Страница 2: ...tents Important safeguards 1 Before Operation 2 Connecting external equipment 3 Identification of Controls 5 Daily use 6 Menus 8 Teletext Option 14 Quran function 15 Specifications 16 Troubleshooting...

Страница 3: ...ver the ventilation openings in the cabinet and never place the set in a confined space such as a bookcase or built in unless proper ventilation is provided Leave a minimum 10cm gap all around the uni...

Страница 4: ...lly connected to the set by means of 75 ohm SWITCHING ON AND OFF Switching on Switch the set on with the MAIN POWER button ON OFF and then PR UP button on the front of the set Or button or the PR UP b...

Страница 5: ...een display will be changed as shown AV TV S VHS is Russia only This is used to connect a VCR a Camcorder a S VHS VCR a PERI TV decoder or a video game console In most cases the set changes automatica...

Страница 6: ...V Audio Video socket with an appropriate cable to the corresponding socket of the external equipment Select AV mode by pressing the TV AV button Press the TV AV button to return to the TV mode HEADPHO...

Страница 7: ...KIP DELETE MODE MENU NORMAL OK 1 2 3 4 5 6 7 8 0 9 1 2 3 5 6 7 8 9 4 10 11 13 14 16 18 17 15 12 VIDEO AUDIO POWER NUMBER0 9 NORMAL OK AV PR CURSOR UP VOLUMEUP CURSORRIGHT MENU PR CURSOR DOWN VOLUMEDOW...

Страница 8: ...E Volume adjustment Use VOLUME UP DOWN buttons of the remote control unit or on the front of the set Mute Get sound off by pressing the remote control MUTE button Then logo is displayed Sound returns...

Страница 9: ...OFF The set will be turned off after the time you set The remaining time before TV turn off is displayed on programme status Accessed by the Remote Control RECALL button Programme number Remaining tim...

Страница 10: ...f you want to cancel immediately main menu press MENU button once more To select one of the sub menus use remote control CURSOR buttons UP DOWN LEFT RIGHT To enter the selected sub menu press remote c...

Страница 11: ...lighted child lock is operating The set can only be switched ON with the remote control unit CLOCK TV clock setting Set TV clock with remote control 0 9 NUMBER buttons then clock starts Note that if y...

Страница 12: ...T Programme list edition FREQ Channel Frequency NAME Channel name PROGRAM Programme number STORE TO Programme storage number PR Programme number NAME Station name Skip programme skipped INSTALL AUTO S...

Страница 13: ...on screen when changing programmes with PR UP DOWN buttons Channel deleting Select the programme to delete using remote control CURSOR UP DOWN buttons Press the remote control DELETE button The delet...

Страница 14: ...er of this programme are displayed in the install menu Channel searching Select FREQ function Press the remote the remote control CURSOR RIGHT LEFT buttons for more than 3 seconds to start up down man...

Страница 15: ...also used if you want to copy a programme already memorized to another programme number You can call up the MENU without the remote control unit You can enter the MENU directly by pressing the MENU b...

Страница 16: ...n the current subpage appear COLOUR BUTTONS IN TOP FLOF TELETEXT A red green yellow and cyan field is shown at the bottom of the screen If TOP or FLOF teletext FASTEXT is transmitted by the station pr...

Страница 17: ...ess again to hide it VOLUME BRIGHTNESS CONTROL Repeatedly pressing the MENU button in teletext mode VOLUME or BRIGHTNESS appears at the bottom of the screen You can control it with the LEFT RIGHT butt...

Страница 18: ...nt specifications may change TV Standard PAL SECAM B G H NTSC AV ONLY Main Voltage AC 240V 50Hz Power Consumption DTB 14 57W DTA 14V 49W DTB 16 64W DTA 14U 57W DTB 20 68W DTA 20V1 60W DTB 21 74W DTA 2...

Страница 19: ...um position Excessive noise in picture Check the Antenna Cable is broken or disconnected or damaged Diagonal stripes appear on It may be affected by interfering signal picture ex from nearby amateur r...

Страница 20: ...URO SCART Audio Video and Out R G B in slow and fast wtching SVHS in Audio Video jack on front of cabinet in common connection with EURO SCART Headphone jack 3 5mm on front of cabinet R 40A10 14 39W 2...

Страница 21: ...3 1 21 Pin EURO SCART 3 2 Channel table 4 CIRCUIT BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 7 1 Service mode 7 2 Microcontroller configuration 7 3 TV SET Alignment 7 SCHEMATIC DIAGRAM 9 EXPLODED VIEW 10...

Страница 22: ...igh potential of the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled 2 If any Fuse in this TV receiver is blown repl...

Страница 23: ...e 10k 7 Blue Input 0 7Vpp 0 1V Inpedance 75 8 Slow Switching TV 0 to 2V AV 4 5 to 12V Impedance 10k 9 Green Earth 10 N C 11 Green Input 0 7Vpp 0 1V Impedance 75 12 N C 13 Red Earth 14 Blanking Earth 1...

Страница 24: ...25 591 25 591 25 591 25 C37 599 25 599 25 599 25 599 25 C38 607 25 607 25 607 25 607 25 C39 615 25 615 25 615 25 615 25 SPECIFICATIONS CH EUROP E CCIR FRANCE GB IRE LAND EAST OIRT C40 623 25 623 25 6...

Страница 25: ...9 287 25 160 00 303 25 287 25 S20 294 25 294 25 S21 303 25 303 25 303 25 SPECIFICATIONS CH EUROP E CCIR FRANCE GB IRE LAND EAST OIRT S22 311 25 311 25 311 25 311 25 S23 319 25 319 25 319 25 319 25 S24...

Страница 26: ...6 CIRCUIT BLOCK DIAGRAM...

Страница 27: ...tion TV set Alignment 1 G2 alignment Set TV in NORMAL I mode TV in AV mode without video signal Black screen TV preset with WP Red WP Green and WP Blue equal to 32 TV preset with Black R Black G equal...

Страница 28: ...lope to compensate for vertical distortion 5 Horizontal picture centering Adjust H Shift to have the picture in the center of the screen 7 AGC Adjust the antenna signal level to 68 dB V 2 for Daewoo t...

Страница 29: ......

Страница 30: ...10 EXPLODED VIEW 1 14V3...

Страница 31: ...11 EXPLODED VIEW 2 20V3...

Страница 32: ...12 EXPLODED VIEW 3 21V3...

Страница 33: ...13 PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM 6 SERVO SYSCON CEC CIRCUIT DIAGRAM T DECK...

Страница 34: ...PU 0 33MF J C801 CL1JB3474K C LINE ACROSS AC250V 0 47MF U C SNDF SV I C805 CEYN2W151P C ELECTRO 450V LHS 150MF 25X40 2 C812 CH1AFE472M C CERA AC 4KV 4700PF M KX DE1610 2 I D707 DSML1216W LED SML1216W...

Страница 35: ...C ELECTRO 50V RSS 47MF 6 3X11 TP LOC PART CODE PART NAME PART DESCRIPTION REMARK C412 CEXF2C339V C ELECTRO 160V RSS 3 3MF 8X16 TP C414 CMXM2A104J C MYLAR 100V 0 1MF J TP C417 CMXL2E104K C MYLAR 250V M...

Страница 36: ...F 0 1MF Z C520 CCZB1H102K C CERA 50V B 1000PF K AXIAL C521 CCZB1H102K C CERA 50V B 1000PF K AXIAL LOC PART CODE PART NAME PART DESCRIPTION REMARK C523 CCZF1H103Z C CERA 50V F 0 01MF Z C529 CBZF1H104Z...

Страница 37: ...5 OHM J LOC PART CODE PART NAME PART DESCRIPTION REMARK R401 RD 4Z272J R CARBON FILM 1 4 2 7K OHM J R404 RD 4Z399J R CARBON FILM 1 4 3 9 OHM J R420 RD AZ223J R CARBON FILM 1 6 22K OHM J R501 RD AZ101J...

Страница 38: ...OHM J R829 RD AZ223J R CARBON FILM 1 6 22K OHM J LOC PART CODE PART NAME PART DESCRIPTION REMARK R830 RD AZ332J R CARBON FILM 1 6 3 3K OHM J R840 RD 4Z220J R CARBON FILM 1 4 22 OHM J R841 RD 2Z249J R...

Страница 39: ...J 1 6 6 8K OHM J R575 R CARBON FILM 1 6 12K OHM J 1 6 10K OHM J 1 6 12K OHM J R801 POSISTOR ECPCC140M290 ECPCD7R0M290 ECPCD7R0M290 R823 R CARBON FILM 1 4 4 3K OHM J 1 4 3K OHM J 1 4 3K OHM J SCT1 SOC...

Страница 40: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail djkoo web dwe co kr TEL 82 2 360 7806 FAX 82 2 360 7877...

Страница 41: ...r and AGC circuit The nominal frequency of the demodulator is tuned to the required frequency 5 5 6 0 6 5 MHz by means of a calibra tion circuit which uses the clock frequency of the microcontroller a...

Страница 42: ...saturation occurring when signals with a high chroma to burst ratio are received The ACL circuit is designed such that it only reduces the chroma signal and not the burst signal This has the advantage...

Страница 43: ...od the vertical deflection is placed in an overscan position so that the discharge is not visible on the screen 2 IF The TDA9361 TDA9381 has an alignment free IF PLL demodulator The fully integrated o...

Страница 44: ...ont RCA video input The controlling software via I2C bus selects the signal source Video signal from tuner Pin 40 External video External SVHS from SCART The sound source switching is done in the vide...

Страница 45: ...inking and sourcing is active which leads to steep slopes The levels are 0 and Vddp the supply voltage 3 3Volts High impedance This mode can be used for input only operation of the port Special port f...

Страница 46: ...ins via resistors R350 and R351 The differential input voltage is compared with the output current through the deflection coils measured as voltage across R302 which provides internal feed back inform...

Страница 47: ...smoothing the winding volt age which appears between pin 6 and pin 7 of the SMPS transformer As this winding voltage does not increase to the set voltage immediately after the control circuit starts...

Страница 48: ...P volt age 20 5V Vin t Waveform of Vin pin voltage at start up TO PIN4 SM PS 2 3 1 5 GND R804 C850 OCP FB From PIN 6 SM PS FEEDBACK SOURCE R808 DRAIN DRIVE OSC Rg2 Rg1 Comp 2 Comp 1 C1 R1 STR F6653 1...

Страница 49: ...STR F6653 internal resistance R1 So C1 voltage starts falling in accordance to the gradient regulated by the constant dis charging time of C1 and R1 So this means that the fixed time determined by C1...

Страница 50: ...his circuit triggers the latch circuit when the frame temperature of STR F6653 IC exceeds 140 C overvoltage protection circuit OVP This circuit triggers the latch circuit when the Vin voltage exceeds...

Страница 51: ...picture appears on screen I501 IC doesn t provide horizon tal drive voltage Then the microcontroller consults I702 EEPROM via I2C bus to know the last TV set mode normal run mode or stand by mode befo...

Страница 52: ...I501 pin 60 If the DC supply voltage decreases below 3 V Q510 switches off immediately Q511 starts conducting pulling I501 pin 60 high At the same time it discharges the reset capacitor C501 Dischargi...

Страница 53: ...810 is not conducting and no current flows from Q810 collector to the ground Therefore the power circuit diagram is the following one 9 2 1 2 power supply circuit diagram during TV set normal run I820...

Страница 54: ...er supply line IC power supply delivery Remarks 124V 110V FBT FBT supplies 45V to I301 vertical IC FBT supplies 14V to I301 vertical IC FBT supplies 33V to the tuner FBT supplies 185V to I901 video am...

Страница 55: ...hich are conducting In these conditions I801 delivers pulses on light mode and T801 produces voltages with reduced power As I810 is conducting current flows also from pin 16 SMPS transformer to I823 3...

Страница 56: ...band delay line RGB control circuit with Continuous Cathode Calibration white point and black level off set adjustment so that the colour temperature of the dark and the bright parts of the screen ca...

Страница 57: ...colour palette Globally selectable scan lines per row 9 10 13 16 and character matrix 12x10 12xl3 12x16 VxH Fringing Shadow selectable from N S E W direction Fringe colour selectable Meshing of defin...

Страница 58: ...al time capture and decoding for WST Teletext in Hardware to enable optimised microprocessor throughput 10 pages stored On Chip lnventory of transmitted Teletext pages stored in the Transmitted Page T...

Страница 59: ...19 IC DESCRIPTION APPENDIX...

Страница 60: ...ESCRIPTION n u 1 Port 1 3 Not used SCL 2 I2C bus clock line SDA 3 I2C Data line SECAM L out 4 Port 2 0 FM sound PushPull Low AM SECAM L PushPull High AM SECAM L High Impedance OCP 5 Port 3 0 Over Curr...

Страница 61: ...sor CVBS Y 42 external CVBS Y input CHROMA 43 chrominance input SVHS AUDOUT 44 audio out INSSW2 45 2nd RGB insertion input R2IN 46 2nd R input G2IN 47 2nd G input B2IN 48 2nd B input BCLIN 49 beam cur...

Страница 62: ...22 APPENDIX IC DESCRIPTION...

Страница 63: ...nd audio source switch The TDA9830 a monolithic integrated circuit is designed for AM sound demodulation used in L and L standard The IC provides an audio source selector and also mute switch Block Di...

Страница 64: ...t signal n c 2 Not connected CAGC 3 AGC capacitor CREF 4 REF voltage filtering capacitor n c 5 Not connected AMOUT 6 AM demodulator output AMIN 7 Input signal from audio switch AFOUT 8 Output signal f...

Страница 65: ...used in the output stage because of the absence of second breakdown Features Few external components Highly efficient fully DC coupled vertical output bridge circuit Short rise and fall time of the v...

Страница 66: ...ut voltage positive 2 Vi neg input voltage negative 3 Vp supply voltage 4 VOB output voltage B 5 GND ground 6 Vflb flyback supply voltage 7 VOA output voltage A 8 VO guard guard output voltage 9 VM in...

Страница 67: ...Hz for an output signal of 60 Vpp High slew rate of 900V s No external components required Very simple application Single supply voltage of 200V Internal reference voltage of 2 5 V Fixed gain of 50 Bl...

Страница 68: ...ata in and out of the memory Serial Data SDA The SDA pin is bi directional and is used to transfer data in or out of the memory 7 STR F6653 7 1 general description The STR F6653 is an hybrid IC with a...

Страница 69: ...OL DESCRIPTION 1 Overcurrent feedback O C P E B Input of over current detection signal and feedback signal 2 Source S Mosfet source 3 Drain D Mosfet drain 4 Supply VIN Input of power supply for contro...

Страница 70: ...EC O C P F B terminal threshold voltage 1 1 5 VTH 1 0 68 0 73 0 78 V O C P F B terminal threshold voltage 2 1 5 VTH 2 1 3 1 45 1 6 V O C P F B terminal extraction current 1 2 IOCP FB 1 2 1 35 1 5 mA O...

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