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Hughes HTL-HD, Service Manual

The DirecTV HTL-HD Owner's Manual is available for free download at manualshive.com, providing users with a comprehensive guide to maximize their experience with this high-definition satellite television product. Accessible in PDF format, this manual offers step-by-step instructions and valuable insights, enhancing user understanding and satisfaction.

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3-1

SECTION 3

ELECTRICAL

CONTENTS

SOFTWARE CORRUPTION PROBLEM

.....................................................................................................3-2

ELECTRICAL TROUBLESHOOTING GUIDE

............................................................................................3-5

1. POWER(SMPS) CIRCUIT

....................................................................................................................3-5

2. AUDIO CIRCUIT

....................................................................................................................................3-7

1) NO ATSC AUDIO..................................................................................................................................3-7
2) NO DIRECTV AUDIO .........................................................................................................................3-11
3) NO NTSC AUDIO ...............................................................................................................................3-12 
4) NO SPDIF OUT FOR ATSC & DIRECTV ..........................................................................................3-13 
5) NO SPDIF FOR NTSC .......................................................................................................................3-14 
6) NO 3/ 4 RF AUDIO .............................................................................................................................3-15

3. DIRECTV FRONT- END CIRCUIT(QPSK)

......................................................................................3-16

4. DVI CIRCUIT

........................................................................................................................................3-19

5. CPU(SYSTEM CONTROL) CIRCUIT

...............................................................................................3-21

6. VIDEO CIRCUIT

...................................................................................................................................3-29

7. DIRECTV TP- DEMUX /MODEM CIRCUIT

.....................................................................................3-37

8. DIRECTV TP- DEMUX /MODEM CIRCUIT

.....................................................................................3-39

9. ATSC/ QAM FRONT- END CIRCUIT

................................................................................................3-41

10. NTSC FRONT- END CIRCUIT

........................................................................................................3-43

11. FRONT PANEL CIRCUIT

.................................................................................................................3-44

12. CAM BOARD CIRCUIT

....................................................................................................................3-46

OVERALL BLOCK DIAGRAM

....................................................................................................................3-47

1. OVERALL BLOCK DIAGRAM 1 ............................................................................................................3-47 
2. OVERALL BLOCK DIAGRAM 2 ............................................................................................................3-49

BLOCK DIAGRAM & SIGNAL FLOW

.......................................................................................................3-51

1. POWER(SMPS) BLOCK DIAGRAM ......................................................................................................3-51 
2. DIRECTV BLOCK DIAGRAM & SIGNAL FLOW...................................................................................3-53 
3. ATSC BLOCK DIAGRAM & SIGNAL FLOW .........................................................................................3-55 
4. NTSC BLOCK DIAGRAM & SIGNAL FLOW.........................................................................................3-57

CIRCUIT DIAGRAM

......................................................................................................................................3-59

1. POWER(SMPS) CIRCUIT DIAGRAM ....................................................................................................3-59 
2. CPU(PPC405CR) CIRCUIT DIAGRAM ..................................................................................................3-61 
3. CPU PERI, RF-REMOTE, VCR-CTRL CIRCUIT DIAGRAM..................................................................3-63 
4. FRONTEND CIRCUIT DIAGRAM...........................................................................................................3-65 
5. HD2 & SDRAM CIRCUIT DIAGRAM .....................................................................................................3-67 
6. DIRECTV HD-STB CIRCUIT DIAGRAM ................................................................................................3-69 
7. VDP I/F & DISPLAY OUTPUT CIRCUIT DIAGRAM ..............................................................................3-71 
8. NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM ................................................................................3-73 
9. DIRECTV TP DEMUX & CAS I/F CIRCUIT DIAGRAM .........................................................................3-75 
10. 2400 BPS ISO MODEM CIRCUIT DIAGRAM ......................................................................................3-77 
11. POWER REGULATION CIRCUIT DIAGRAM.......................................................................................3-79 
12. CAM I/F CIRCUIT DIAGRAM ...............................................................................................................3-81 
13. FRONT (2R, VFD, KEY-SCAN) CIRCUIT DIAGRAM ..........................................................................3-83 
14. FRONT POWER KEY CIRCUIT DIAGRAM .........................................................................................3-85

PRINTED CIRCUIT DIAGRAMS

................................................................................................................3-87

1. DIGITAL MAIN P.C.BOARD(BOTTOM)..................................................................................................3-87 
2. DIGITAL MAIN P.C.BOARD(TOP)..........................................................................................................3-89 
3. CAM P.C.BOAR(BOTTOM) ....................................................................................................................3-91 
4. CAM P.C.BOAR(TOP) ............................................................................................................................3-92 
5. POWER P.C.BOARD ..............................................................................................................................3-91 
6. TIMER P.C.BOARD.................................................................................................................................3-93 
7. KEY P.C.BOARD ....................................................................................................................................3-95

Summary of Contents for HTL-HD

Page 1: ...SERVICE MANUAL MODEL HTL HD CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL HTL HD SERVICE MANUAL P NO 3829RVN006U AUGUST 2003 Printed in Korea ...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Page 3: ...MMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPECIFICATIONS 1 5 ...

Page 4: ...AYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Page 5: ... pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be u...

Page 6: ...ack connector 1080i 720p 480p 480i YPbPr S Video Output S Video Out 1 4 pin Mini DIN 480i Y C Video Output Video Out 2 Phono Jack connector 480i Composite NTSC Digital Audio Optical selectable Dolby Digital or PCM output Analog Audio Audio Out 2 Fixed Output Level Access Card Smart Card Slot on the front Data Port 9 pin Serial Port 1 VCR Control IR blaster 1 Supplied Accessories Remote Control Bat...

Page 7: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Packing Accessory Section 2 3 ...

Page 8: ...2 2 EXPLODED VIEWS 1 Cabinet and Main Frame Section A47 260 A46 A49 A48 A42 A43 A50 452 452 A44 320 469 470 300 463 463 463 463 466 250 457 465 470 469 463 463 280 452 A 5 4 3 2 1 B C D ...

Page 9: ...ssory Section 808 804 803 801 900 802 803 813 S VIDEO CABLE 825 DVI D CABLE 806 RF CABLE 823 TELEPHONE LINE 820 PLUG ASS Y 3WAY PACKING SHEET PACKING BATTERY AAA REMOCON BOX CARTONX OWNER S MANUAL PACKING OPTIONAL PARTS ...

Page 10: ...BLOCK DIAGRAM 3 51 2 DIRECTV BLOCK DIAGRAM SIGNAL FLOW 3 53 3 ATSC BLOCK DIAGRAM SIGNAL FLOW 3 55 4 NTSC BLOCK DIAGRAM SIGNAL FLOW 3 57 CIRCUIT DIAGRAM 3 59 1 POWER SMPS CIRCUIT DIAGRAM 3 59 2 CPU PPC405CR CIRCUIT DIAGRAM 3 61 3 CPU PERI RF REMOTE VCR CTRL CIRCUIT DIAGRAM 3 63 4 FRONTEND CIRCUIT DIAGRAM 3 65 5 HD2 SDRAM CIRCUIT DIAGRAM 3 67 6 DIRECTV HD STB CIRCUIT DIAGRAM 3 69 7 VDP I F DISPLAY O...

Page 11: ...m 2 1 1 RS 232C serial cable with male to female connector 3 Compressed application image of new version Ex rom pak First connect serial port of PC and RS 232 cable and execute terminal emulation program on PC In this Serial port configuration is set to 115200 baud 8 bit per character no parity and 1 stop bit And If IRD is plugged in AC WAIT appear and disappear on VFD and DOWNLOAD dis play and me...

Page 12: ...etCwpAddress In GetCapAddress CAM_Init CAM ID 0x1fde1032 In SetAddress Verifier version 180e In EnableCwpBuffer Buf 3f Successful initial verifier In EnableCwpBuffer Buf 3f tr 32 Figure 1 2 On the terminal Downloading a software upgrade please wait DO NOT unplug your receiver Downloading via calibration port 115200 8 n 1 Figure 1 3 On the TV or monitor Ethernet board was not connected Serial downl...

Page 13: ... that IRD transmit new file write in FLASH and then reboot xxxxxxx bytes received Serial binary download completed CRC check about downloaded image O K Expand the compressed image at 0x010d0000 Erasing FLASH sector 16 60 wait a minute 60 FLASH memory was erased successfully Programing FLASH memory wait a minute done Verifying FLASH memory with source data done FLASH memory was programmed successfu...

Page 14: ... D125 normal Replace the F101 Use the same Fuse Replace the BD101 Replace the TH01 Is the D102 normal Check or Replace the D102 Replace the D121 D122 Replace the D103 Replace the D124 Replace the D125 Replace the D129 NO VFD Is the F102 Normal Is the D128 Normal YES Is the ZD151 Normal YES Check or Replace the D127 Check or Replace the F102 NO Check or Replace the D128 NO Check or Replace the ZD15...

Page 15: ...3 6 YES YES NO 4 No 12VA Is there about 26V at the IC153 pin1 Is the IC153 Normal Is the ZD152 Normal YES Check or Replace the IC152 Check or Replace the D129 NO Replace the IC153 NO Replace the ZD152 ...

Page 16: ...is input from TU300 to IC402 403 3 6 10 13 Data is output from IC402 403 4 7 9 12 Logic High is input to IC401 402 403 1 Data is output from R424 Fig 01 YES 3 072MHz clock is output from R422 FIG 02 YES 48kHz clock is output from R421 Fig 03 Check the Power Supply Part Check Tuner Part Check IC201 36 Check IC402 403 Check or Replace the D102 ...

Page 17: ...3 8 Fig 01 Fig 02 Fig 03 ...

Page 18: ... to IC701 31 Data pulse is input to IC701 6 18 432MHz Clock is input to IC701 54 55 48kHz clock is input to IC701 4 YES Analog audio is output from IC701 28 29 Fig 04 Check Power Supply Part 10V is supplied to IC805 1 Check Power Supply Part NO Check X701 Check IC400 Check IC702 and surroundings NO Check IC702 and surroundings ...

Page 19: ...nd Surroundings 9V is supplied to IC702 8 Analog audio signal is output from IC702 1 7 Check Power Supply Part Check IC702 and surroundings 4 Check Output Jack and Surroundings Check Q702 Q703 Q704 Q705 JA600 and their surroundings ...

Page 20: ...3 11 2 NO DIRECTV AUDIO NO NO YES YES ATSC audio is OK IC401 1 IC402 1 and IC403 1 are Low Pulse is output from R805 and R806 Go back to symptom 1 Check IC201 36 NO Check IC800 and surroundings ...

Page 21: ...DIRECTV Audio are OK SIF signal is input to the Base of Q302 SIF signal is input to IC701 50 Fig 05 YES Analog audio signal is output from IC701 17 18 Go back to symptom 1 or 2 Check TU300 NO Check Q302 NO Check IC701 and surroundings Fig 05 ...

Page 22: ...dio are OK SPDIF pulse is output from R423 Fig 06 SPDIF pulse is output from IC704 4 YES 5V is supplied to JA701 2 YES Check JA701 and surroundings Go back to symptom 1 or 2 Check IC400 and surroundings NO Check IC704 and surroundings NO Check Power Supply Part Fig 06 ...

Page 23: ...io is OK YES Analog audio is output from IC701 25 26 YES YES 18 432MHz clock is output from IC701 57 Fig 07 Data pulse is output from IC701 5 Go back to symptom 1 or 2 Go back to symptom 4 NO Go back to symptom 3 NO NO NO Check IC701 Check IC701 Check IC701 Fig 07 18 432MHz clock output from IC701 57 ...

Page 24: ...SC DIRECTV Audio are OK ATSC DIRECTV NTSC SPDIF are OK Analog audio is output from IC701 18 YES Analog audio is output from the Emitter of Q701 YES Check TU360 Go back to symptom 1 or 2 Go back to symptom 4 or 5 NO Check IC701 NO Check IC701 ...

Page 25: ...line power peripheral parts NO Check the operation of LNBP20PD IC360 Check the connection between LNBP20PD and power line peripheral parts A The signal from satellite is detected using the split including DC block port and Spectrum Analyzer Tuner s error flag TU360 15 is operated normally using Oscilloscope High Error Low normal Check QPSK signals P360 DATA Fig 03 pin 1 3 5 7 9 11 13 15 packet clo...

Page 26: ... of menu Select sat A and odd transponder IC360 4 is 13 14V On the signal strength of menu Select sat A and even transponder IC960 5 is 18 19V On the signal strength of menu Select sat B and even or odd transponder The tone siganl acts properly in the IC360 4 Fig 01 End YES YES YES NO Check connection on the board and check IC360 5 LOW NO Check IC360 5 HIGH NO Check TU360 12 Fig 02 ...

Page 27: ...3 18 FIG 02 TU360 12 FIG 01 IC360 4 TONE signal FIG 05 P360 4 QPSK Byte Clock FIG 04 P360 8 QPSK Packet Clock FIG 03 P360 1 3 5 7 9 11 13 15 QPSK DATA ...

Page 28: ...n rear panel is RGB DVI side The emitter of Q500 is high volt IC500 11 is high volt END Change the switch to RGB DVI side Use other DVI cable or turn on the moni tor that is connected with DVI cable Change the DVI chip NO A NO Check IC500 57 IDCK 2 DE 4 HSYNC 5 VSYNC The IDCK_ clock shall be 27MHz Fig 01 NO Check IC500 57 IDCK 2 DE 4 HSYNC 5 VSYNC The IDCK_ clock shall be 74 25MHz Fig 02 Fig 03 an...

Page 29: ...20 FIG 03 DVI output at 1080i even field FIG 02 DVI output at 720p FIG 01 DVI output at 480p FIG 06 DVI output at 480i even field FIG 05 DVI output at 480i even field FIG 04 DVI output at 1080i odd field ...

Page 30: ... are OK at the time of power on reset Chip selection signals are OK IIC channels are OK Interrupt signals are OK Messages are output through RS 232C port on PC terminal END YES YES YES YES YES YES A Power check NO NO NO NO NO NO B Clock check C Reset check D CS check E IIC check F Interrupt check G RS 232C check ...

Page 31: ...14 and IC108 14 YES Power Supply Check IC954 3 2 5V NO NO Power Supply Check IC950 2 3 3V Power Supply Check IC950 2 3 3V NO YES B Clock check 25MHz clock is output from X101 3 Fig 01 37 5MHz clock is input to IC201 87 Fig 02 8MHz clock is input to IC210 2 Fig 03 YES Check X100 NO NO Check IC101 IC201 Check IC210 Fig 01 X101 3 25MHz CPU Clock ...

Page 32: ...3 23 Fig 02 IC201 87 37 5MHz PERI Clock Fig 03 IC210 2 8MHz MICOM Clock ...

Page 33: ...3 24 NO YES C Reset check IC107 3 is reset IC106 4 is reset Fig 04 IC201 29 56 61 64 65 75 are reset YES IC107 Check NO NO Check IC101 201 IC106 Check Fig 04 IC106 4 Reset signal ...

Page 34: ... is seen at R138 Fig 05 Logic low pulse is seen at R140 Logic low pulse is seen at R144 Logic low pulse is seen at R143 YES YES Check IC101 104 105 NO NO NO Check IC101 IC400 Check IC101 IC800 Check IC101 IC201 Fig 05 R138 1 Flash CS signal ...

Page 35: ...eck IIC SDA and SCL signals are output from IC800 D20 G16 Fig 06 Fig 07 IIC SCL and SDA signals are output from IC101 W17 U15 Check IC101 NO Check IC800 Fig 06 IC800 D20 5V IIC SDA signal Fig 07 IC800 G16 5V IIC SCL signal ...

Page 36: ...rrupt check Logic high is input to IC101 D18 Logic high is input to IC101 D20 Fig 08 Logic high is input to IC101 W20 YES Check IC100 IC400 NO NO Check IC100 IC800 Check IC100 CN201 7 Fig 08 IC101 D18 No Interrupt signal ...

Page 37: ...port setup is OK Baudrate Parity Data Bit Stop Bit IC204 11 is OK TxD signal Fig 09 IC204 12 is OK RxD signal Fig 10 Check IC101 IC204 NO NO Check IC101 IC204 Modify RS 232C port setup Fig 09 IC204 11 TxD signal Fig 10 IC204 12 RxD signal ...

Page 38: ... NO YES YES START No HV sync OUT Any problem in OSD Any problem in main picture YES DTV NTSC YES A NO NO B What is the main picture source DTV or NTSC C2 C1 Any problem in AV out Any problem in RF out END YES YES NO NO D E ...

Page 39: ...e Display Color select switch to RGB DVI side and check HV sync Any problem YES Check L400 1 8V IC950 2 3 3V NO YES Check IC605 5 and IC600 1 FIG 02 Check IC605 1 8 and X600 if there is sinusoidal 27MHz clock FIG 03 If HV sync exists in IC607 6 7 FIG 04 FIG 05 then check IC607 1 is low If not check IC201 52 NO ...

Page 40: ...3 31 FIG 01 VDP clock FIG 04 H sync signal FIG 03 Crystal 27MHz clock FIG 02 VCXO 27MHz clock FIG 05 V sync signal ...

Page 41: ...nalog component mute ON Jump to A flow Check analog buffers IC604 IC612 for composite S video out IC609 for component YPbPr IC610 for RGB analog No OSD is not a problem Check DVI output NO Check A5V L603 A 5V L604 are supplied ...

Page 42: ...eam Input Check IC401 402 403 FIG 06 Terr check VSB QAM tunner TU300 block DSS check TPN II IC800 block Check voltage of IC401 1 402 1 403 1 ATSC 3 3V DSS 0V Check signal strength If OK check system clock 27MHz ATSC IC600 9 DSS IC605 5 Check HD 2 chip Interrupt request signal R418 FIG 07 FIG 07 Interrupt Request Signal on R418 FIG 06 Input Stream to IC400 ...

Page 43: ...606 44 Reference clock oscillation X601 FIG 09 Pixel clock 13 5MHz continuous Clock in IC606 28 FIG 10 Hsync out 15 7KHz negative pulse in IC606 36 FIG 11 Vsync out 59 94Hz negative pulse in IC606 35 FIG 12 top Field ID 29 97Hz pulse in IC606 34 FIG 12 bottom IIC IC606 10 SCL 11 SDA FIG 08 CVBS signal from TU300 FIG 11 NTSC Decoder Hsync output FIG 12 NTSC Decoder Vsync output top Field ID bottom ...

Page 44: ...e voltage Must be low If not check IC201 pin 47 Check NTSC encoder pixel clock IC605 7 FIG 13 Check power IC604 8 IC612 8 5V IC604 4 IC612 4 5V Check composite FIG 14 top Input IC604 3 5 Output IC604 1 7 Check S video FIG 14 bottom Input IC612 3 5 Output IC612 1 7 FIG 13 27MHz NTSC encoder pixel clock FIG 14 Composite Output top and Y C output bottom ...

Page 45: ...cuits Q600 Q605 L601 Check chroma delay part D Change out to TV channel in Setup Menu Check modulator power TU301 3 Check modulator input signal TU301 8 FIG 15 Check modulator contorl signal Modulator On check TU301 7 high Channel select pin check CH3 TU301 5 high CH4 TU301 5 low FIG 15 RF modulator input composite signal ...

Page 46: ...tes normally The clock 2 operates normally The reset signal operates normally The clock 3 operates normally The CAM Board clock operates normally END YES YES YES YES YES YES Check IC800 E9 voltage 2 5V NO NO NO NO NO NO Check IC800 E7 voltage 3 3V Check IC800 W18 clock waveform See FIG 01 Check IC800 B10 clock waveform See FIG 02 Check IC800 Y19 voltage 3 3V Check X800 3 clock waveform See FIG 03 ...

Page 47: ...3 38 FIG 01 IC800 W18 Host I F Clock 37 5MHz FIG 02 IC800 B10 SDRAM Clock 108MHz FIG 03 X800 3 Smart Card Clock 36 864MHz FIG 04 CN800 9 CAM Board Clock 4 608MHz ...

Page 48: ... connecting phone line The modem part soldering is OK END YES YES YES YES YES Check IC901 4 voltage 3 3V NO NO NO NO NO Check IC901 2 clock waveform See FIG 05 Check IC901 3 clock waveform See FIG 06 Check IC901 5 voltage 3 3V Check IC901 6 voltage 3 3V Check the voltage between IC902 9 and IC902 3 about 3 6V range Check the voltage between JA901 3 and JA901 4 with connecting phone line about 48V ...

Page 49: ...FIG 05 IC901 2 Modem Chip Clock 4 9152MHz FIG 06 IC901 3 Modem PLL Out Clock 9 8MHz ...

Page 50: ...Error Check NIM Tuner TU300 s output signals of DATA Fig 01 pin 28 29 30 31 32 33 34 35 packet clock Fig 02 pin 27 and Byte clock pin 36 Fig 03 END YES High YES Check the power lines A9V D5V_ 2 D3 3V_ 2 P_ 30V_ TU referring the circuit diagram NO Low NO Check antenna connection Check the Voltage between L303 and Ground 5V normal 0 4V change Q300 Check the status of connection on PCB Change TU300 ...

Page 51: ...3 42 FIG 01 TU300 28 29 30 31 32 33 34 35 VSB QAM DATA Outputs FIG 02 TU300 27 VSB QAM DATA Packet Clock FIG 03 TU300 36 VSB QAM DATA Byte Clock ...

Page 52: ...zer What Voltage is between L303 and ground 5V NO 1V below YES Check NIM Tuner TU300 s output sig nal of VIDEO_ OUT pin 16 Fig 04 END YES YES YES Check the power lines A9V D5V_ 2 D3 3V_ 2 P_ 30V_ TU referring the circuit diagram NO NO NO Check antenna connection Change Q300 Change TU300 FIG 04 TU300 16 NTSC VIDEO OUT ...

Page 53: ...ied normally The clock 1 operates normally The signal 2 operates normally The signal 3 operates normally END YES YES YES YES Check IC100 13 IC100 43 IR100 2 voltage 5V NO NO NO NO Check Connector P101 3 P101 2 P101 1 voltage 28 24 21 5V Check IC100 5 clock waveform See FIG 01 Check IC100 8 clock waveform See FIG 02 Check IC100 42 clock waveform See FIG 03 ...

Page 54: ...3 45 FIG 03 IC100 42 VFD Chip Grid1 Pulse FIG 02 IC100 8 VFD Control Clock Signal FIG 01 IC100 5 VFD Chip Clock about 460KHz ...

Page 55: ...he IC 5V 3 3V powers are supplied normally The smart card is inserted The clock 1 operates normally END YES YES YES Refer the TP Demux Troubleshooting page NO NO NO Check IC100 6 voltage 5V Check IC100 21 voltage 3 3V Check IC100 10 voltage 3 1V Check IC100 15 clock waveform See FIG 01 FIG 01 IC100 15 Smart Card Clock 4 608MHz ...

Page 56: ...TCH Board 1 4V 2 4V 3 3V 4 GND 5 GND 6 6 5V 7 GND 8 12V 9 GND 10 30V 11 GND 12 24V 1 2 3 4 5 6 7 8 9 10 11 12 1 GND 2 5V 3 CF_STB 4 CF_CLK 5 CF_DATA 6 FC_DATA 7 FC_IRQ 8 F_RESET 1 2 3 4 5 6 7 8 1 FD 21 5V 2 FD 24V 3 28V 4 GND 5 GND 1 2 3 4 5 1 GND 2 PWR_KEY 1 2 AC120V 13 GND 13 14 8V 14 13 N C 13 3 ANODE 1 4 F_RESET 3 4 5 GND 5 ...

Page 57: ...eset KIA7029 74HC14 Clock Gen CY24206 4 NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3...

Page 58: ...RROR AMP IC103 2 6 19 18 16 13 8 10 Y CAP C110 Y CAP C111 17 20 21 22 FEED BACK BLOCK R121 R122 C120 R123 R124 R125 R126 RECTIFIER SMOOTING BLOCK D126 C129 RECTIFIER SMOOTING BLOCK D124 C124 L122 C126 RECTIFIER SMOOTING BLOCK D129 C134 RECTIFIER SMOOTING BLOCK D121 D122 C121 C122 L121 C123 12VA 30VA TO MAIN P101 BR BL BK WH C103 14 15 24V REG BLOCK IC151 C152 12V REG BLOCK IC152 IC153 ZD152 FD FD ...

Page 59: ...4 NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF ...

Page 60: ... NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF T...

Page 61: ... NT2CLK DENC Clock DVI Transmitter w HDCP Sil170 DVI Clock Digital RGB Hs Vs TMDS CH0 1 2 TMDS CLK I2C CH1 I2C Ext 82B715 I2C CH1 DVI Out Memory I F AC120V 4V 6 5V 12V 8V 24V 3 3V 2 KIA78R33F 5V 2 KIA78R05F A9V A9V A KIA78R09F x 2 2 5V 1 SC1565IST 2 5 Inputs ATSC SAW 2 ATSC SAW 1 IF Down Converter VFD Controller Front Panel VFD 3 line Bus Key Scan Key Block 3 3V 1 KIA378R33PI YPbPr Video Out LPF T...

Page 62: ...itching Error IC102 IC103 are Defective No Digitron Displayed D128 F102 ZD151are Defective 29VA No Power D127 is Defective 30VA No Power D126 is Defective 12VA 24VA No Power D129 is Defective 6 5VA No Power D124 is Defective 24VA No Power IC151 is Defective 3 7VA No Power D121 D122 are Defective 8VA No Power D124 is Defective 12VA No power IC152 IC153 ZD152 is Defective SR12600E ...

Page 63: ...3 61 3 62 2 CPU PPC405CR CIRCUIT DIAGRAM ...

Page 64: ...3 63 3 64 3 CPU PERI RF REMOTE VCR CTRL CIRCUIT DIAGRAM ...

Page 65: ...3 65 3 66 4 FRONTEND CIRCUIT DIAGRAM ...

Page 66: ...3 67 3 68 5 HD2 SDRAM CIRCUIT DIAGRAM ...

Page 67: ...3 69 3 70 6 DIRECTV HD STB CIRCUIT DIAGRAM ...

Page 68: ...3 71 3 72 7 VDP I F DISPLAY OUTPUT CIRCUIT DIAGRAM ...

Page 69: ...3 73 3 74 8 NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM ...

Page 70: ...3 75 3 76 9 DIRECTV TP DEMUX CAS I F CIRCUIT DIAGRAM ...

Page 71: ...3 77 3 78 10 2400 BPS ISO MODEM CIRCUIT DIAGRAM ...

Page 72: ...3 79 3 80 11 POWER REGULATION CIRCUIT DIAGRAM ...

Page 73: ...3 81 3 82 12 CAM I F CIRCUIT DIAGRAM ...

Page 74: ...3 83 3 84 13 FRONT 2R VFD KEY SCAN CIRCUIT DIAGRAM ...

Page 75: ...3 85 3 86 14 FRONT POWER KEY CIRCUIT DIAGRAM ...

Page 76: ...3 87 3 88 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM LOCATION GUIDE ...

Page 77: ...3 89 3 90 2 DIGITAL MAIN P C BOARD TOP ...

Page 78: ...3 91 3 92 3 CAM P C BOAR BOTTOM 4 CAM P C BOAR TOP 5 POWER P C BOARD LOCATION GUIDE LOCATION GUIDE ...

Page 79: ...3 100 3 101 6 TIMER P C BOARD LOCATION GUIDE LOCATION GUIDE 7 KEY P C BOARD ...

Page 80: ...NEL VIDEO 457 353 046N SCREW DRAWING SPECIAL 3X8 BK PANEL ASSEMBLY FRONT A43 3501R 5091A BOARD ASSEMBLY 280 3721R F809B PANEL ASSEMBLY FRONT NORMAL PA NSP 452 353 051A SCREW SPECIAL A48 6871R 9265A PWB PCB ASSEMBLY TOTAL LSS 3210S 3200Z SMART CARD ASS A50 6871R 9259A PWB PCB ASSEMBLY TOTAL LSS 3210S TIMER A42 6874R 9259A PWB PCB ASSEMBLY KEY A49 6874R 9260A PWB PCB ASSEMBLY TIMER C100 0CH7106F621 ...

Page 81: ...CT SW TP D108 0DD133009AA DIODE SWITCHING 1SS133 DETECT SW TP D109 0DD133009AA DIODE SWITCHING 1SS133 DETECT SW TP D110 0DD133009AA DIODE SWITCHING 1SS133 DETECT SW TP D111 0DD133009AA DIODE SWITCHING 1SS133 DETECT SW TP FB100 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATECH R TP FB101 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATECH R TP FB102 0LCCE00004Y INDUCTOR CHIP HH 1M2012 260JT CERATEC...

Page 82: ...R TP AR300 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR301 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR400 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR401 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR402 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR403 0RRZVTA001K RESISTOR DRAWING 51 OHM 1 10 W 1608 4P 5 R T AR404 0RRZVTA001K...

Page 83: ...10 B 5YP 1608 R TP C1402 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C1403 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C141 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C142 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C143 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608...

Page 84: ...2 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C261 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C263 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C264 0CH4101K412 CHIP CAPA CERAMIC M L T C F S 100P 50V J COG 1 6X0 8 R TP C265 0CH8107F611 CAPACITOR CHIP AL ELECTROLYTI 100UF 16V M 85STD CYL R TP C266 0CH4270K412 CAPACITOR CHIP CER...

Page 85: ...SMD SMD C376 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C379 0CE105VK6DC CAPACITOR FIXED ELECTROLYTIC 1UF MV 50V 20 R TP SMD SMD C380 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C381 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C382 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C383 0CH1222K56...

Page 86: ... B 5YP 1608 R TP C458 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C459 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C460 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C461 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C462 0CH1103K562 CAPACITOR FIXED CERAMIC Temp c 0 01UF 50V 10 X7R X 1608 R ...

Page 87: ...R FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C513 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C514 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C520 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C521 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C522 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 1...

Page 88: ...1608 50V 10 R TP C646 0CH8106F611 CAPACITOR CHIP AL ELECTROLYTI 10UF 16V M 85STD CYL R TP C647 0CH4470K412 CAPA CHIP CERAMIC M L T C F S 47P 50V J COG 1 6X0 8 R TP C648 0CH4470K412 CAPA CHIP CERAMIC M L T C F S 47P 50V J COG 1 6X0 8 R TP C649 0CH4470K412 CAPA CHIP CERAMIC M L T C F S 47P 50V J COG 1 6X0 8 R TP C650 0CH4101K412 CHIP CAPA CERAMIC M L T C F S 100P 50V J COG 1 6X0 8 R TP C651 0CH4330K...

Page 89: ... 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C814 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C815 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C816 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C817 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C818 0CH1104K512 CA...

Page 90: ... L HD 1800P 50V K X7R 1 6X0 8 R TP C924 0CK102J356A CAPACITOR FIXED CERAMIC HIGH D 1000PF 4520 3KV 10 R TP X7R C925 0CK102J356A CAPACITOR FIXED CERAMIC HIGH D 1000PF 4520 3KV 10 R TP X7R C926 0CH4270K412 CAPACITOR CHIP CERAMIC M L TC 27PF 50V J NP0 1608 R TP C927 0CH4270K412 CAPACITOR CHIP CERAMIC M L TC 27PF 50V J NP0 1608 R TP C930 0CH4100K112 CHIP CAPA CERAMIC M L T C F S 10P 50V D COG 1 6X0 8 ...

Page 91: ...5STD CYL R TP D502 0DTSE00018A DIODE DETACTOR SRV05 4TC SEMTECH R TP SOT23 6 D503 0DTSE00018A DIODE DETACTOR SRV05 4TC SEMTECH R TP SOT23 6 D606 0DRSE00028A DIODE RECTIFIERS SLUV2 8 SEMTECH R TP SOT23 2 8 D607 0DRSE00028A DIODE RECTIFIERS SLUV2 8 SEMTECH R TP SOT23 2 8 DL300 0DL210009LA LED SML 210VT TP ROHM RED F901 0FS1251A912 FUSE SLOW BLOW 1250MA 125 V 6 1X2 5 SSQ UL FB101 0LCCE00003C INDUCTOR...

Page 92: ...PRPTK001A IC PERIPHERALS TK15420M TOKO 8 SOP R TP VIDEO IC613 0DTSE00039A DIODE DETACTOR SLVU2 8 4 SEMTECH TP SO 8 400W IC614 0DTSE00039A DIODE DETACTOR SLVU2 8 4 SEMTECH TP SO 8 400W IC701 0ILNRMN004A IC LINEAR MSP4448G MICRONAS 64 PQFP R TP IC702 0IMO330780B IC MOTOROLA MC33078D 8 SOIC TP LINEAR 18 IC703 0IPMGKE016A IC POWER MANAGEMENT KIA78DL08F KEC 3P DPAK SMD R IC704 0ITO741570C IC TOSHIBA TC...

Page 93: ... 009J COIL CHIP 22UH NLC322522T 220J TDK L703 635 009J COIL CHIP 22UH NLC322522T 220J TDK L704 635 009N COIL CHIP 100UH NLC322522T 101K TDK L950 635 009J COIL CHIP 22UH NLC322522T 220J TDK Q200 0TR222209IB TRANSISTOR BIPOLARS KEC KTN2222AS T1 ZG NPN TP SOT Q201 0TRKE80040A TRANSISTOR BIPOLARS KTN2907AS ZH KEC R TP SOT23 Q300 0TRKE80039A TRANSISTOR BIPOLARS KRA225S T1 PU KEC R TP SOT23 Q301 0TR3875...

Page 94: ...608 5 00 D R154 0RH2701C622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 16 W 1608 5 00 D R155 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R156 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R157 0RH2701C622 RESISTOR METAL GLAZED CHIP 2 7K OHM 1 16 W 1608 5 00 D R158 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R159 0RH1001C622 RESISTOR METAL GLA...

Page 95: ...ETAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R172 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R174 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R175 0RH4700C622 RESISTOR METAL GLAZED CHIP 470 OHM 1 16 W 1608 5 00 D R176 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R178 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R179...

Page 96: ...20 OHM 1 16 W 1608 5 00 D R238 0RH0272C622 RESISTOR METAL GLAZED CHIP 27 OHM 1 16 W 1608 5 00 D R244 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R245 0RH0272C622 RESISTOR METAL GLAZED CHIP 27 OHM 1 16 W 1608 5 00 D R246 0RH5601C622 RESISTOR METAL GLAZED CHIP 5 6K OHM 1 16 W 1608 5 00 D R247 0RH5601C622 RESISTOR METAL GLAZED CHIP 5 6K OHM 1 16 W 1608 5 00 D R248 0RH4701C622 R...

Page 97: ...IP 75 OHM 1 16 W 1608 5 00 D R408 0RH0752C622 RESISTOR METAL GLAZED CHIP 75 OHM 1 16 W 1608 5 00 D R409 0RH0752C622 RESISTOR METAL GLAZED CHIP 75 OHM 1 16 W 1608 5 00 D R410 0RH0752C622 RESISTOR METAL GLAZED CHIP 75 OHM 1 16 W 1608 5 00 D R411 0RH0752C622 RESISTOR METAL GLAZED CHIP 75 OHM 1 16 W 1608 5 00 D R412 0RH3600C622 RESISTOR METAL GLAZED CHIP 360 OHM 1 16 W 1608 5 00 D R416 0RH4701C622 RES...

Page 98: ...HM 1 16 W 1608 5 00 D R630 0RH3300C622 RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 D R631 0RH3300C622 RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 D R632 0RH3300C622 RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 D R633 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R634 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R635 0RH1001C622 RESISTOR...

Page 99: ...ZED CHIP 22 OHM 1 16 W 1608 5 00 D R693 0RH5100C622 RESISTOR METAL GLAZED CHIP 510 OHM 1 16 W 1608 5 00 D R694 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R695 0RH5100C622 RESISTOR METAL GLAZED CHIP 510 OHM 1 16 W 1608 5 00 D R696 0RH5100C622 RESISTOR METAL GLAZED CHIP 510 OHM 1 16 W 1608 5 00 D R697 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R698 0RH0222...

Page 100: ...V901 0DRSD00088A DIODE RECTIFIERS KU10R29N4063 SHINDENGEN R TP S SW101 6600RRT002W SWITCH TACT TMUE252RAB SMD TACT 5P POSTEC SW102 6600RRT002W SWITCH TACT TMUE252RAB SMD TACT 5P POSTEC SW201 6600Q000023 SWITCH SLIDE CSS 2209A CHANG SHIN 50VDC 0 3 T201 6200VJT006A FILTER CIRC EMC STC222D NIIGATA 50VOLT 4A 2200 T203 6200JB8009L FILTER CIRC EMC EMC BMK800 50V 0 2A NIIGATA R T204 6200JB8009L FILTER CI...

Page 101: ...V 0 1UF M PILKO C103 0CE227RR6A0 CAPACITOR FIXED ELECTROLYTIC 220UF KMH HE 250V 20 VNSN BUL C105 0CQ1031Y519 CAPACITOR POLYESTER 0 01UF D 630V K PE NI TP C106 624 087B CAPACITOR HIGH VOL 100P 1KV SMPS SAMHWA C107 0CE3354K638 CAPACITOR FIXED ELECTROLYTIC 3 3UF SRA SS 50V 20 FM5 TP 5 C108 624 085D CAPACITOR CE 47UF 50V KME SMPS C109 0CQ1041N409 CAPACITOR POLYESTER MYLAR 0 1U 100V J POLY TP C110 0CG1...

Page 102: ...5M OHM 1 2 W 5 00 MF10 R101 0RD2202F608 RESISTOR FIXED CARBON FILM 22K OHM 1 6 W 5 TA26 R102 0RD2202F608 RESISTOR FIXED CARBON FILM 22K OHM 1 6 W 5 TA26 R103 0RS1003K619 RESISTOR FIXED METAL OXIDE FIL 100K OHM 2 W 5 00 TR R104 0RS1003K619 RESISTOR FIXED METAL OXIDE FIL 100K OHM 2 W 5 00 TR R105 0RD0222F608 RESISTOR FIXED CARBON FILM 22 OHM 1 6 W 5 TA26 R121 0RD1800F608 RESISTOR FIXED CARBON FILM 1...

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