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Hitachi HDR081, Service Manual

The Hitachi HDR081 Service Manual is available for free download on our website. This comprehensive manual provides detailed instructions, troubleshooting tips, and valuable information for maximizing the performance of your HDR081 device. Unlock the full potential of your product by accessing the manual at manualshive.com.

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SERVICE MANUAL 

Page 3 

TERRESTRIAL STB MODEL................................................................................................................................................... 2

 

REVISION HISTORYREV 2.0

 

 02/03/2007........................................................................................................................... 3

 

GENERAL DESCRIPTION........................................................................................................................................................ 4

 

T816

 

PROJECT

 

HARDWARE

 

BLOCK

 

DIAGRAM 

........................................................................................................... 4

 

16

MB

31-1

 

M

AINBOARD

............................................................................................................................................................... 5

 

STI5100

 

(IC101)

........................................................................................................................................................................ 5

 

DDRAM

 

HYNIX

 

512MB

İ

TS 

.................................................................................................................................................. 11

 

HY29LV320

  

32

 

M

BIT 

(2M

 X 

16)

 

L

OW 

V

OLTAGE 

F

LASH 

M

EMORY 

(IC1) 

........................................................................... 12

 

16

TUT

36-2

 TUNER BOARD 

......................................................................................................................................................... 13

 

STV0360/0361(COFDM

 DEMODULATORS 

IC

 FOR TERRESTR

İ

AL 

TV

 SET

-

TOP BOX

) 

.......................................................... 13

 

TUNER

  

(DTOS449IV241B-DTOS443PV241B)

.................................................................................................................. 15

 

16

SC

31-2

 SCART BOARD 

............................................................................................................................................................ 17

 

STV6414A

UDIO

/V

IDEO 

S

W

İ

TCH 

M

ATR

İ

X

(IC200)

................................................................................................................. 17

 

16PW810-2

 

P

OWER BOARD 

...................................................................................................................................................... 18

 

16

FP

38-3

 FRONT BOARD 

........................................................................................................................................................... 19

 

VFD

 

D

R

İ

VER

/C

ONTROLLER 

IC

 

PT6311(IC2) 

....................................................................................................................... 19

 

USED IC LISTS.......................................................................................................................................................................... 22

 

MAINBOARD

 

(16MB31-1) 

................................................................................................................................................... 22

 

POWER

 

BOARD

 

(16PW810-2)

............................................................................................................................................. 22

 

SCART

 

BOARD

 

(16SC31-2)

.................................................................................................................................................. 22

 

FRONT

  

BOARD

 

(16FP38-3)

................................................................................................................................................. 22

 

CONNECTORS.......................................................................................................................................................................... 23

 

SCART

 

CONNECTION .......................................................................................................................................................... 24

 

TV

 

S

CART 

S

OCKET 

................................................................................................................................................................... 24

 

VCR

 

S

CART  

S

OCKET

................................................................................................................................................................ 24

 

RS232

 

S

ERIAL 

P

ORT 

................................................................................................................................................................. 25

 

RCA

 

(A

UDIO AND 

C

OMPOSITE 

V

IDEO

)

 

C

ONNECTOR 

................................................................................................................ 25

 

TECHNICAL SPECIFICATIONS ........................................................................................................................................... 26

 

TROUBLE-SHOOTING ........................................................................................................................................................... 28

 

PARTS LIST

......

....................................................

..................................................................................................................... 

30

 

SCHEMAT

İ

CS ........................................................................................................................................................................... 3

2

 

16PW

810-

2

 

POWER

 

BOARD

 

SCHEMATIC.......................................................................................................................... 3

2

 

16MB31-1

 

MAINBOARD

 

SCHEMATIC ...........................................

....

................................................................................ 3

3

 

16FP38-3

 

FRONT

 

BOARD

 

SCHEMATIC.............................................................................................................................. 

41

 

16SC31-2

 

AV

 

SCHEMATIC ...................................

.......

......................................................................................................... 

42

 

 

EXPLODED VIEW...............................................

..................................................................................................................... 

31

 

16

TUT

3

6

-2

 

TUNER

 

SCHEMATIC ..........................

.......

..............................................................................................

..

....... 

44

 

Summary of Contents for HDR081

Page 1: ...ngenieur die Sicherheitshinweise und Hinweise zur Produktsicherheit in diesem Wartungshandbuch zu lesen SERVICE MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch e...

Page 2: ...SERVICE MANUAL TERRESTRIAL STB MODEL Page 2 ...

Page 3: ...414AUDIO VIDEO SWİTCH MATRİX IC200 17 16PW810 2 POWER BOARD 18 16FP38 3 FRONT BOARD 19 VFD DRİVER CONTROLLER IC PT6311 IC2 19 USED IC LISTS 22 MAINBOARD 16MB31 1 22 POWER BOARD 16PW810 2 22 SCART BOARD 16SC31 2 22 FRONT BOARD 16FP38 3 22 CONNECTORS 23 SCART CONNECTION 24 TV SCART SOCKET 24 VCR SCART SOCKET 24 RS232 SERIAL PORT 25 RCA AUDIO AND COMPOSITE VIDEO CONNECTOR 25 TECHNICAL SPECIFICATIONS ...

Page 4: ...GENERAL DESCRIPTION Major functional blocks are discussed briefly in this section A more detailed description is contained later in the document BLOCK DIAGRAM Page 4 ...

Page 5: ...upported by a dual stream deMUX and using an HDD connected either to the FMI or USB 2 0 port The STi5100 includes transport stream routing and strobe decoding logic for DVB CI and CableCard formerly known as POD modules to reduce implementation cost 2 Technical Specification Features Enhanced ST20 32 bit VL RISC CPU 243MHz 8Kbyte ICache 8Kbyte DCache 4Kbyte SRAM Unified Memory Interface Dual Trans...

Page 6: ...SCs for I C SPI master slave interfaces Silicon Labs line side DAA interface High speed USB OHCI EHCI compliant host interface DiSEqC interface 3 Architecture overview The figure below shows the architecture of the Sti5100 This chapter gives a brief overview of each of the functional blocks of the STi5100 4 STi5100 functional modules 4 1 Memory subsystem Page 6 ...

Page 7: ...with a source ID and a time stamp Programmable transport interface PTI The PTI performs transport stream descrambling demultiplexing and data filtering PESdata is transferred by DMA to audio and video decoders using circular buffers Section data is transferred by DMA to separate buffers for further processing by the CPU DIRECTV and DVB transport streams can be handled by the PTI with data rates up...

Page 8: ...fered in memory via DMA 26 830 STMicroelectronics Confidential 7603604B The audio subsystem consists of the following units Audio datastream controller The audio datastream controller receives buffers and reformats audio data It handles up to three audio data flows concurrently It receives a raw PCM stream from an external source via the PCM input interface or receives a compressed data stream fro...

Page 9: ...nt interface to SiLabs line side device DAA an interrupt level controller a low power RTC watchdog controller DCU toolset support a JTAG TAP interface 4 5 Clock generation All system clocks are generated using the clock generator block This contains two high frequency PLLs 600 MHz that are divided down to produce a series of phase related programmable clock channels The guaranteed phase relationsh...

Page 10: ...SERVICE MANUAL Page 10 ...

Page 11: ...266 333 VDD VDDQ 2 6V 0 1V for DDR400 All inputs and outputs are compatible with SSTL_2 interface Fully differential clock inputs CK CK operation Double data rate interface Source synchronous data transaction aligned to bidirectional data strobe DQS x16 device has two bytewide data strobes UDQS LDQS per each x8 I O Data outputs on DQS edges when read edged DQ Data inputs on DQS centers when write ...

Page 12: ...ord program time 11 µs Accelerated program time per word 7 µs _ Automatic Erase Algorithm Preprograms and Erases Any Combination of Sectors or the Entire Chip _ Automatic Program Algorithm Writes and Verifies Data at Specified Addresses _ Compliant With Common Flash Memory Interface CFI Specification Flash device parameters stored directly on the device Allows software driver to identify and use a...

Page 13: ... demodulators with built in A D converters They perform all the demodulation functions to extract the MPEG 2 transport stream from the tuner input DVB T ETS 300 744 NORDIG II and NORDIG Unified 1 0 1 compliant1 Inputs for direct IF eliminating the need for a down converter in the tuner Adaptative channel correction in both time and frequency providing excellent performance event in the presence of...

Page 14: ...SERVICE MANUAL Page 14 ...

Page 15: ...SERVICE MANUAL TUNER DTOS449IV241B DTOS443PV241B DESCRIPTION Page 15 ...

Page 16: ...SERVICE MANUAL ELECTRICAL CHARACTERISTICS Page 16 ...

Page 17: ...RGB FB Inputs 1 Tri state RGB FB Output with 6dB Adjustable Gain from 3dB to 9dB Video Muting on all Outputs 2 Slow Blanking Inputs Outputs Sync Bottom Clamp on all CVBS Y and RGB Inputs Average Clamp on C Inputs Bandwidth 15MHz Crosstalk 50dB Minimum Audio Section 3 Stereo Inputs 3 Stereo Outputs Stereo to Mono Sound Capability 0 6 9dB Selectable Gain on one Stereo Input Full Range Volume Control...

Page 18: ... receiver works between 85 and 265 VAC mains voltage by using STRW6252 In SMPS applications secondary voltage regulation is adjusted according to the feedback voltage from the secondary side of transformer The feedback voltages are 3 3V and 5V This is connected to the comparator pin of STRW6252 via IC2 Optocoupler The comparator pin also protects the box against short circuits and overload The sup...

Page 19: ...and circuits iv 25V flaman voltage 16fp38 3 front board VFD Driver Controller IC PT6311 IC2 CMOS Technology Low Power Consumption Key Scanning 12 x 4 matrix Multiple Display Modes 12 segments 16 digits to 20 segments 8 digits 8 Step Dimming Circuitry LED Ports Provide 5 channels 20 mA max 4 Bits General Purpose Input Ports Provided Serial Interface for Clock Data Input Data Output Strobe Pins No E...

Page 20: ...SERVICE MANUAL Front board connector PL5 Pin Description 1 12VSTB 2 GND 3 GND 4 5VSTB Front board Connector PL811 Pin Description 1 5V 2 GND 3 SENSE 4 IR_IN 5 DISP DATA 6 DISP CLK Page 20 ...

Page 21: ...SERVICE MANUAL VACUUM FLUORESCENT DISPLAY Page 21 ...

Page 22: ...AND 74LVT14 IC903 3 3V Hex inverter Schmitt trigger 74LVTH244A Low Voltage Octal Buffe FLASH IC1 32MBIT 3 3V ROHS 74LVTH16245A IC901 Low Voltage 16 Bit LM1117 IC500 IC473 LDO 1 8V 80 LDO DPAK IC606 1 2V 800mA REG LM7808 8V 1A IC102 1A REGULATORS DDRAM IC2 POWER BOARD 6 0 IC nce 12V Voltage Regulator STRW 6252 IC1 SMPS primary SFH617A IC2 Optocoupler TL431 IC3 Programmable Precision Refere LM7812 I...

Page 23: ... DATA 6 DISP CLK Hard disk pow 04 er PL4 Pin De n scriptio 1 12VSTB 2 GND 3 GND 4 5VSTB H a Conne r PL900 ard disk dat cto Pin De n scriptio Pin Description 1 HDDRESET 21 GND 2 GND 22 GND 3 HBUFDATA7 23 H_DIOW 4 HBUFDATA8 24 GND 5 HBUFDATA6 25 H_DIOR 6 HBUFDATA9 26 GND 7 HBUFDATA5 27 IORDY 8 HBUFDATA10 28 9 HBUFDATA4 29 10 HBUFDATA11 30 GND 11 HBUFDATA3 31 HDD IRQ 12 HBUFDATA12 32 NC 13 HBUFDATA2 ...

Page 24: ...ion 17 GND 7 BLUE Output 18 GND 8 Function Switching Output 19 CVBS Output 9 GND 20 No Connection No Connection 21 GND 10 11 GREEN Output VCR Scart Socket VCR Scart Sock PL1 et 00 Pin Description Pin Description 1 Audio Right Output nnection 12 No Co 2 Audio Right Input 13 GND 3 Audio Left Output 14 GND 4 GND 15 No Connection 5 GND 16 No Connection 6 Audio Left Input 17 GND 7 No Connection 18 GND ...

Page 25: ...al Port RS232 Header J SUB_9 K_D Pin Description Pin Description 1 2 3 TXD 4 CTS 5 R RTS XD 6 7 8 9 GND RCA Audio and Composite Video Connector A V Connector JK1 Pin Description 1 RIGHT AUDIO 2 LEFT AUDIO 3 SPDIF AUDIO Page 25 ...

Page 26: ...ITIES Transmission Standards VB MPEG2 D DEMODULATION COFDM with 2K 8K FFT mode FEC for all DVB Modes Automatically found VIDEO ALL MPEG 2 MP ML Video Decoder Aspect Ratio 4 3 16 9 with pan vector RGB analogue outputs BW 5MHz at 0 5 to 5MHz sweep signal CVBS analogue output AUDIO MPEG1 Layer 1 and 2 Sampling frequencies supported 32kHz 44 1kHz or 48kHz Output can be programmed as STEREO LEFT nly or...

Page 27: ... P 1 Slot CI Opt 1 Slot Smart Card Opt USB2 0 connector Opt AUDIO R L Connector x RCA R L 2 Output 5 Vrms dBfs Z 1 kohm 0 DIGITAL AUDIO Output Optik SPDIF A V DATA IN OUT Scart TV scart VCR scart RGB Video Output TV scart RGB Video Intput VCR scart CVBS Video Output TV scart VCR scart CVBS Video Input CR scart V Analog Audio Output V scart RCA jack VCR scart T Analog Audio Input VCR scart Digital ...

Page 28: ...ESET IC output must be high in 200ms 1 5 Control the R187 R188 R189 R195 I2C lines 6 a Sc or not on the HDD The resistor value between 5V to GND is near 4Kohm 7 power cable HDD data cable NO VIDEO BAD VIDEO IMAGE Control the TV scart pins 2 Control the IC200 supply voltages and SDA SCL lines 3 Control the video signals on the PL200 PL304 connectors 1 NO A DIO BAD AUDIO PARASITIC Control all audio ...

Page 29: ...W error Load the sw again 2 Control the X100 crystal 3 Push the standby button for a few seconds AV Switching ERROR 1 Control the IC200 supply voltages and SDA SCL lines HARDDISK ERROR 1 Control the HDD 12V 5V supply voltages from the HDD power connektor 2 Control the HDD remove the HDD power cable and control if there is a Sc or not on the HDD The resistor value between 5V to GND is nearly 4Kohm ...

Page 30: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA Page 30 ...

Page 31: ...PVR1000 EXPLODED DIAGRAM Page 31 ...

Page 32: ...16PW810 2 POWER BOARD Page 32 ...

Page 33: ...16MB31 1 MAIN BOARD SHEET 1 of 8 Page 33 ...

Page 34: ...16MB31 1 MAIN BOARD SHEET 2 of 8 Page 34 ...

Page 35: ...16MB31 1 MAIN BOARD SHEET 3 of 8 Page 35 ...

Page 36: ...16MB31 1 MAIN BOARD SHEET 4 of 8 Page 36 ...

Page 37: ...16MB31 1 MAIN BOARD SHEET 5 of 8 Page 37 ...

Page 38: ...16MB31 1 MAIN BOARD SHEET 6 of 8 Page 38 ...

Page 39: ...16MB31 1 MAIN BOARD SHEET 7 of 8 Page 39 ...

Page 40: ...16MB31 1 MAIN BOARD SHEET 8 of 8 Page 40 ...

Page 41: ...16FP38 3 FRONT BOARD Page 41 ...

Page 42: ...16SC31 2 AV BOARD SHEET 1 of 2 Page 42 ...

Page 43: ...16SC31 2 AV BOARD SHEET 2 of 2 Page 43 ...

Page 44: ...16TUT36 2 TUNER BOARD Page 44 ...

Page 45: ...47 Milano Italia ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 33 04 72 14 29 70 Fax 33 04 72 14 29 99 Email france consommateur hitachi...

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