Philips DVDR630VR Скачать руководство пользователя страница 97

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3-116

Tray operating is abnormal

Tray open doesn ’t work.

•Check the connection of IC301 pin 60.
•Replace the EJECT SW.

•Check the connection of IC107 pin 19.
•Replace the IC103.
•Check the communication line between
IC107 and IC301.

Is there tray

control signal input?

(IC102 pin46)

When CN303 is open,

Is there tray drive signal

output?

Is there tray

drive voltage output?

(IC102 pin 1, 2)

•Check the connector (CN303).

•Replace the IC105.

Is the

Input voltage 0V at IC301

pin 60 when push the

EJECT SW?

YES

Содержание DVDR630VR

Страница 1: ... 1 Cabinet and Main Frame Section 2 2 RL 02A Deck Mechanism For information only 2 3 Packing Accessory Section 2 4 SECTION 3 ELECTRICAL 3 1 Overall Wiring Diagram 3 2 VCR Part includes SMPS Power Jack Key Timer board Electrical Adjustment Procedures 3 4 VCR Electrical Troubleshooting Guide 3 5 Block Diagrams 3 21 Circuit Diagrams 3 35 Printed Circuit Diagrams 3 59 VDR Part VDR Electrical Troublesh...

Страница 2: ...1 1 SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 2 SERVICING PRECAUTIONS 1 3 THE STEPS FOR CHANGE THE OPTION CODE 1 4 UP DATING PROGRAM 1 5 SPECIFICATIONS 1 7 ...

Страница 3: ...s solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged insulation including the AC cord and replace if necessary 5 No lead or component should touch a high current device or a resistor rated at 1 watt or more Lead tension around protruding metal surfaces...

Страница 4: ...ive Parts include Metal panels 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 ...

Страница 5: ... at remocon For finishing and intialized the option code push REC FF at remocon Note This procedure must be done when IC304 On digital Board or Digital Board assy is replaced DVDR630VR 14 NAME HEX OPT1 22 OPT2 48 OPT3 55 OPT4 95 OPT5 26 OPT6 9E OPT7 D6 OPT8 D3 DVDR630VR 05 NAME HEX OPT1 12 OPT2 47 OPT3 42 OPT4 95 OPT5 26 OPT6 9E OPT7 F6 OPT8 D1 DVDR630VR 00 NAME HEX OPT1 12 OPT2 44 OPT3 45 OPT4 95...

Страница 6: ...capture like figure 1 And you have three choice 1 Main It s mean if you chose this it ll up dating only DVD prgram 2 Loader It s mean if you chose this it ll up dating only Loader program 3 ALL It s mean if you chose this it ll up dating DVD and Loader program If you format like number 2 you ll not see capture like figure 1 that give you choices you have no choice only update DVD program 1 5 UP DA...

Страница 7: ...and New CD Write Version and Press REC key once more 6 The LOADER update will be on progress And tray will open 7 Remove the disc and wait until finish 8 The tray will be close and open automatically after completing UNDER UPDATE 100 9 Turn off the unit 10 Turn on again the unit is operation with new software FORMAT NO 2 1 Press POWER KEY to turn on 2 After booting insert the upgrade disc and you ...

Страница 8: ... Hz to 22 kHz CD 8 Hz to 20 kHz DVD PCM 96 kHz 8 Hz to 44 kHz Harmonic distortion Less than 0 008 AUDIO OUT connector Dynamic range More than 95 dB AUDIO OUT connector Inputs AERIAL IN Aerial input 75 ohms VIDEO IN 1 0 Vp p 75 ohms sync negative RCA jack x 1 SCART x 2 AUDIO IN 0 dBm more than 47 kohms RCA jack L R x 1 SCART x 2 DV IN 4 pin i LINK IEEE 1394 standard S VIDEO IN Y 1 0 V p p 75 Ω nega...

Страница 9: ......

Страница 10: ...2 1 SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Deck Mechanism Section RL 02A For information only 2 3 3 Packing Accessory Section 2 4 ...

Страница 11: ...ion 250 469 469 463 255 469 256 257 469 469 469 469 470 463 463 300 A47 A00 A60 260 276 284 283 285 287 286 469 280 288 A48 274 A50 457 A43 A44 457 278 457 457 470 457 A46 A52 290 263 266 265 320 261 452 452 452 261A 261A 261A 323 321 264 468 469 289 ...

Страница 12: ...A60 1434 1434 1025 1025 1030 1432 1038 1028 1432 1021 1432 1432 1032 1033 1011 1019 1020 1019 1009 1012 1013 1435 1014 1016 1015 1017 1018 1018A 1018B 1018C 1018E 1018D 1006 1045 1436 1024 1433 1029 1027 1027 1005 1026 1003 1002 A004 A002 CN101 1041 1043 1042 1044 1434 1434 ...

Страница 13: ...essory Section BATTERY 808 BAG 804 PACKING 803 806 INSTRUCTION ASSEMBLY CABLE COAXIAL 810 CABLE ASS Y RF 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY PLUG ASS Y 2WAY OPTIONAL PARTS 821 SCART CABLE ...

Страница 14: ...OARD 3 68 5 KEY TIMER P C BOARD 3 69 VDR PART VDR ELECTRICAL TROUBLESHOOTING GUIDE 3 71 1 POWER SMPS CIRCUIT 3 71 2 NO COMPONENT VIDEO SIGNAL WHEN PLAYING DISC 3 73 3 NO COMPOSITE S VIDEO SIGNAL WHEN PLAYING DISC 3 74 4 NO TV EXTERNAL INPUT VIDEO SIGNAL 3 75 5 WHEN PLAYING DISC NO AUDIO OUTPUT 3 76 6 NO TUNER AUDIO OUTPUT 3 76 7 NO OPTICAL DIGITAL OUTPUT 3 76 8 NO EXTERNAL INPUT 1 AUDIO 3 77 9 NO ...

Страница 15: ......

Страница 16: ...DR ENA AMP CLK AMP RX AMP TX AMP READY AMP MUTE NC 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 P6603 P6602 PM601 PN302 PN302 PN301 PN301 PMD01 PMD02 PN304 CON401 CON401 PPM01 P101 P3D01 P3D03 P104 P103 P103 P104 P3D02 P3D02 PMC01 PMC01 P3D03 P3D01 PN303 PM602 PM603 P6M01 13 5VA DRUM A E A E CFG CAP VCC SERVO VCC CAP REV H I LIMIT MOTOR GND S GND DRUM VCC 13 5VA CAP CTL L M CTL DPG DFG DRUM CTL 8 7V GND 1 ...

Страница 17: ......

Страница 18: ... SW signal to the starting point of the ver tical synchronized signal to 6 5H 0 5H 416µs 1H 64µs PG Adjustment Method a 1 Playback the SP standard tape b 2 Wait for 3seconds with F P REC key and PLAY key presseed at the same time Digitron c 3 Repeat the above step No b 2 then it finishes the PG adjusting automatically Digitron PG d 4 Stop the playback then it goes out of PG adjusting mode after mo...

Страница 19: ...he D102 normal Check or Replace the D102 Replace the D121 Replace the IC103 Replace the D126 Replace the D129 Replace the D130 Replace the D127 Replace the D128 YES YES YES YES YES YES YES YES YES YES Is the Vcc 11V 18V supplied to IC101 Pin2 NO Is the D121 normal Is there about 2 5V at the IC103 Pin1 Is the D126 normal Is the D129 normal Is the D130 normal Is the D127 normal Is the D128 normal YE...

Страница 20: ... Q126 Is the Vcc 13V sup plied to Q126Collector Is the Vcc 33V sup plied to Q126 Base Is the Q126 Nomal Check or Replace the D126 NO NO NO YES YES YES NO VFD Check or Replace the R107 Is the R107 Normal Is the D128 Normal NO Check or Replace the D128 Check or Replace the ZD151 NO NO YES Is the ZD151 Normal Check or Replace the D127 YES YES No 33V Check or Replace the D130 Is the Vcc 33V sup plied ...

Страница 21: ...D129 Is the Vcc 30V supplied to Q120 Collector Is the Vcc 33V supplied to Q121 Collector Is the Vcc 30V sup plied to Q120 Base NO NO Check or Replace the ZD153 NO Check the HSR H signal from µ com Check or Replace the Q121 Q122 33V line YES YES Check or Replace the Q120 YES ...

Страница 22: ... 5 3VA troubleshooting Check IC501 Pins86 87 88 89 Do T UP Reel Pulses appear at the Q514 Base terminal Replace the T UP Reel Sensor RS501 Check the CST SW and the peripheral circuitry Replace the IC501 The unstable loading of a Cassette tape Does the H signal appear at IC501 Pin32 during inserting the CST Does the L signal appear at IC501 Pin19 while inserting the CST Check the Deck Mechanism Not...

Страница 23: ...DFG Pulses appear at PMC01 Pin11 Replace the Cap M Aren t the foil patterns and the Components between IC501 Pin 104 and PMC01 Pin11 shorted Replace the IC501 Refer to 2 No 12VA of Power section Do the Drum PWM Pulses appear at IC501 Pin107 Aren t the foil patterns and the Components between IC501 Pin107 and PMC01 Pin12 shorted Do the DFG Pulses appear at IC501 Pin104 Do the Drum PWM Pulses appear...

Страница 24: ... Does the CFG signal come into IC501 Pin9 Aren t the foil patterns and Components between IC501 Pin108 and PMC01 Pin9 short 2 SERVO CIRCUIT 3 When the Capstan Motor doesn t run NO NO NO YES YES YES When the Capstan Motor doesn t run Does 12VA appear at PMC01 YES Replace the IC501 YES NO NO YES Refer to SMPS CAPSTAN 12Volt Trouble Shooting Aren t the foil patterns and component between IC501 Pin87 ...

Страница 25: ... 5V applied to IC501 Pin36 Does FLD change when a function button is pressed Refer to SMPS 5 3VA Trouble Shooting Replace the defective switches YES NO NO 2 SERVO CIRCUIT 4 Keys do not work VCR ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 26: ...PMD02 Pin7 Does the Video signal appear at the PMD02 Pin5 Check the 5 0V 5 3VA Line Power Circuit Is I2 C BUS signal applied to the IC301 Pins68 69 Check C316 AGC Replace IC301 Does the 12VT 5 3VA appear at the IC901 Pin3 4 Check the 12V 5 4VA Line Power Circuit Check the Video Buffer Q905 Check the DVD Board Video path Check the System Circuit Refer to SYSTEM I2 C BUS CHECK Trouble Shooting YES Y...

Страница 27: ...e V H S W level Check R303 R304 Refer to SYSTEM I2 C BUS CHECK Trouble Shooting Is the V H S W signal applied to IC301 Pin70 Is the V H S W H about 3 4V at the IC301 Pin70 Clean the Drum Check the path of the Y Luminace RF signal Check the C327 Check the path of the Y Luminace RF signal Check the C312 Does the Y Luminance RF signal appear at IC301 Pin79 Is the Y Luminance Video waveform showed up ...

Страница 28: ...A Line Power Circuit Replace the X301 Check the Color Pass Does the X301 4 43MHz osxillate Replace the IC301 Does the Color signal appear at IC301 Pin48 Replace the IC301 NO YES Is the Color Rotary signal applied to the IC301 Pin70 Check the Color Rotary Circuit IC501 Pin98 NO YES Is Color Rotary H about 3 4V NO Check the Color Rotary level Check the R303 YES YES YES NO NO NO VCR ELECTRICAL TROUBL...

Страница 29: ...n27 the D301 Replace the IC301 Is the REC H signal about 4V applied to the IC301 Pin80 Check the circuit of the IC301 Pin85 86 Check REC Luminace pass Color pass Does the REC RF signal appear at the IC301 Pins88 89 94 95 NO YES Is 5 0V 5 3VA applied to the IC301 Pins24 42 55 72 91 Check the line of the 5 0V 5 3VA line Power Circuit NO YES Does PB Mode operate nomally NO Check PB Mode YES Check the...

Страница 30: ... the SC901 JK901 Check the Scart1 Jack SC901 Scart1 Audio in Pin2 6 NO NO Check the Scart2 Jack SC901 Scart2 Audio in Pin2 6 NO Check the front Jack Check the Power 5 0V 12V YES NO Check the IC501 Pins59 60 NO Replace IC801 NO Check the Audio of PMD02 Pin19 21 Check the Pcb Pattern between IC801 Pin16 17 with PMD02 Pin19 21 NO YES YES Check the Audio of PMD02 Pin23 25 Check the DVD Board Audio pat...

Страница 31: ... Check IC801 Pin42 Data Pin43 Clock YES Do Audio Signals appear at IC801 Pin16 L CH 17 R CH YES Do Audio Signals appear at IC804 Pin3 L CH 5 R CH YES Do Audio Signals appear at JK902 YES Check the IC804 C844 C845 C846 C 847 Check Power 5 0V 12V NO Check IC501 Pin26 A H SW NO NO Check the parts of µ COM IC501 Pins17 18 NO Check the Connection at P3D01 Pins7 9 NO Check the Audio PMD02 Pin23 25 NO Ch...

Страница 32: ... appear at IC801 Pins16 17 YES Do FM Audio signals appear at IC801 Pin36 YES Check the Contact Point of Drum Connector if good then Replace the Drum YES Check Power 5V 12V NO Check ports of µ COM IC501 pins 17 18 Check Audio input signal of IC801 Pins2 3 TU A 4 5 DVD A 6 7 AV2 A 10 11 AV3 A NO Replace IC801 NO NO VCR ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 33: ...NO Does the Clock signal appear at TU701 Pin12 Check the llC Clock Signal of µ COM Pin18 NO Does the data signal appear at TU701 Pin13 Replace Tuner Check the DVD Board Video Path Replace the IC301 NO Replace the IC901 Does the video signal appear at IC301 Pin48 NO YES YES YES YES YES YES YES YES YES Check the Pattern between IC901 Pin10 with SC901 Pin19 Does the Video signal at the IC301 Pin65 NO...

Страница 34: ... Pins30 31 YES Check the Audio of IC801 Pins2 3 YES Check the Audio of IC801 Pins16 17 YES Check the Tuner SIF of TU701 Pin16 NO Replace X751 NO Check the IIC Clock and Data at IC751 Pins12 13 NO Check the signal flow from IC751 Pins30 31 to IC801 Pins2 3 NO Check the IIC Clock and Data at IC801 Pins42 43 NO Check the Audio of IC804 Pins3 5 YES Check the Signal flow from IC804 pin3 5 Sc901 Pins1 3...

Страница 35: ......

Страница 36: ...CTIFIER SMOOTING BLOCK D124 C129 RECTIFIER SMOOTING BLOCK D123 C126 L124 C127 RECTIFIER SMOOTING BLOCK D122 C123 L123 C125 PHOTO COUPLER IC105 ERROR AMP IC106 FEED BACK BLOCK R131 R132 C141 R133 R161 R162 R163 12V REG S W Block IC157 R156 C155 12V 12V 1 8V 8 7V TO FAN P103 RECTIFIER SMOOTING BLOCK D129 C128 R147 RECTIFIER SMOOTING BLOCK D130 C137 R146 5 0V REG S W Block IC151 R151 C151 1 8V REG S ...

Страница 37: ... From Power 159 27 731 60 59 93 94 158 872 159 871 151 5 4VA S V W MSP3417 MSP3407 SW1 SW2 AS A OUT AFT SIF VCR DVD REC SCART RCA 3 23 3 24 2 TUNER IF NICAM A2 BLOCK DIAGRAM 3 VPS BLOCK DIAGRAM ...

Страница 38: ...C MIX 65 63 61 46 43 Y Delay 79 78 80 REC H V H SW C ROTARY DATA CLOCK C SYNC V OUT MICOM V IN4 FRONT V IN3 DEC 79 78 76 75 70 69 68 67 65 59 58 54 52 50 V IN2 S1 V IN1 TUNER 48 46 43 33 32 31 CLK IN 29 28 4 43MHz 27 21 95 94 89 88 Killer C LPF ACC BPF Main Conv Main Conv DETAIL ENH NL EMPHA W D CLIP IC301 LA71750M LP REC SP REC To Drum To Drum W D CLIP REC FM EQ Y LPF FBC AGC SW Y DELAY KILL DEC ...

Страница 39: ...78 A OUT R System IC801 LA72670M IC301 LA71206M AMP EQ AMP 78 4 10 A OUT R DATA CLOCK R P HEAD N A IN 53 ENA 55 54 5 4 6 From u COM 80 A OUT L OUTPUT SELECTOR EQ 3 2 IC301 LA71750EM IC801 TDA9605H 11 17 DET NORMAL AUDIO OUT A OUT L REC AMP 22 21 16 17 A OUT R ALC 9 Tuner AV1 AV2 DVD AV3 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 VCR DVD REC SCART RCA EE Mode PB Mode REC Mode ...

Страница 40: ...U2 A IN L AU2 A IN R AU3 A IN L AU3 A IN R IC804 MM 1231 IC801 TDA9650H 1 16 11 2 3 4 5 6 7 8 9 10 11 21 22 37 36 35 19 20 16 17 3 5 14 A OUT To Jack AUI A out R AUI A out L AU2 A out L AU2 A out R ACR A out L ACR A out R Hi Fi REC MONO A out MONO A IN SCART2 A out VCR DVD REC SCART RCA 6 Hi Fi BLOCK DIAGRAM ...

Страница 41: ...ON CAP PWM CTL CTL CFG CAP REV H LD CTL V ENV V H SW30 DPFG D V Sync 38 37 X out Xc in Xc out X in 40 41 74 75 67 21 19 82 23 34 65 24 H A SW 99 33 20 DRUM PWM 51 Vcc OSD 85 SUP Sensor 14 73 A Vcc servo A D TO FROM AUDIO Hi Fi TO FROM AUDIO Hi Fi TO FROM TU IF TO FROM TU IF 17 81 IIC DATA IIC CLK AFT 18 64 Tu SECAM H TU SECAM VL H 63 POWER FAIL 4 A MUTE H A ENV A H SW REC H 27 58 18 17 IIC CLK IIC...

Страница 42: ...FI IC801 To IC302 NJM2234L FROM IC301 Y C VODEO 65 BUFFER IC901 IC901 6dB 6dB MM1623XFBE SW901 RGB SW H IC501 PIN 94 Y Pb Pr Y C A L A R A MUTE BLOCK FROM IC801 AV1 A R AV1 A L SC901 SCARTI TO IC801 AV1 A L R SCART H 16 9 H VOLTAGE SELECTOR 1 3 2 6 8 7 11 15 19 20 TO AVCP IC301 AV1 V IN A OUT L R A IN L R SWITCH VOLTAGE V OUT V IN IN1 L IN2 L A IN L R A OUT L R V OUT SWITCH VOLTAGE V IN SCART2 1 3...

Страница 43: ...VICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode S W Error IC101 IC104 is Defective Switching Error IC105 IC106 are Defective 3 3V No Power D122 is Defective 28V No Power D129 is Defective 12V No Power D126 is Defective 5 3VA No Power D121 is Defective No Power D102 is...

Страница 44: ...3 37 3 38 A B C D E F G H I J K L M N O P Q R S T 2 TUNER CIRCUIT DIAGRAM ...

Страница 45: ...3 39 3 40 A B C D E F G H I J K L M N O P Q R S T 3 A V CIRCUIT DIAGRAM ...

Страница 46: ...3 41 3 42 A B C D E F G H I J K L M N O P Q R S T 4 Hi Fi CIRCUIT DIAGRAM ...

Страница 47: ...3 43 3 44 WAVEFORM 1 2 7 4 3 6 5 A B C D E F G H I J K L M N O P Q R S T 5 SYSTEM CIRCUIT DIAGRAM ...

Страница 48: ...3 45 3 46 A B C D E F G H I J K L M N O P Q R S T 6 SCART JACK CIRCUIT DIAGRAM SCART Model Only ...

Страница 49: ...7 TIMER CIRCUIT DIAGRAM 3 47 3 48 ...

Страница 50: ... IC301 Pin 23 PB REC mode 5Vp p IC301 Pin 24 PB REC mode 5Vp p IC301 Pins 71 72 REC mode 340mVp p IC301 Pins 51 54 PB mode 300mVp p IC301 Pin 63 PB mode 400mVp p IC301 Pin 11 PB mode 3 6Vp p IC301 Oscilloscope Waveform IC501 Waveform Photographs V HSW IC501 Pin 23 1V 10mS REC PB MODE DV SYNC IC501 PIN 24 1V 100uS QUE REV MODE CTL IC501 Pin 74 1V 10mS CTL IC501 Pin 75 1V 10mS DFG DFG IC501 PIN 65 1...

Страница 51: ... 0 5 32 87 0 5 32 88 5 16 5 24 89 5 16 0 90 5 16 5 24 91 0 0 92 0 0 93 5 16 5 21 94 5 16 5 07 95 5 16 5 24 96 5 16 5 21 97 0 0 98 5 16 Da Clk 99 0 0 100 760m 0 1 5 5 05 2 SIF 1 77 1 8 3 1 54 1 63 4 0 0 5 4 42 800m 6 4 25 600m 7 0 0 8 0 4 9 9 0 4 9 10 0 0 11 5 11 5 14 12 5 26 5 14 13 5 26 5 14 14 0 0 15 0 0 16 0 0 17 0 4 97 EE PLAY MODE PIN NO I C 7 5 1 I C 5 0 1 18 0 4 97 19 5 15 4 97 20 0 0 21 0 ...

Страница 52: ...18 4 1 0 2 85 0 C320 2 39 0 2 2 0 C322 4 13 0 4 09 0 C323 2 35 0 2 31 0 C324 2 42 0 0 0 C325 2 95 0 3 13 0 C327 2 61 2 46 3 18 Y C 3 18 Y C C331 17 5M 0 0 0 C333 4 94 0 4 88 0 C336 5 04 0 5 01 0 C337 3 36 0 2 53 0 C339 3 38 0 2 62 0 C346 5 0 4 91 0 C347 2 16 0 2 14 0 C348 1 62 0 1 5 0 C349 5 02 0 4 92 0 C353 2 31 0 2 25 0 C356 1 97 0 2 07 0 C357 2 17 0 2 02 0 C359 264M 0 130M 0 C362 5 2 0 5 19 0 C...

Страница 53: ...3 55 3 56 IC BLOCK DIAGRAMS IC101_FSDL0365RN IC104_FSDL0365RN IC201_LA70100M IC302_NJM2234L IC301_LA71750EM IC501_MN101D10X IC601_PT6315 IC7V1_SDA5650X IC751_MSP3417_3407 ...

Страница 54: ...3 57 3 58 IC801_TDA9605 IC804_MM1231 IC901_MM1623FXBE IC902_MM1225 IC903_MM1225 ...

Страница 55: ...3 59 3 60 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...

Страница 56: ...3 61 LOCATION GUIDE ...

Страница 57: ...3 62 LOCATION GUIDE ...

Страница 58: ...3 63 3 64 2 VCR P C BOARD BOTTOM VIEW ...

Страница 59: ...3 65 3 66 3 SMPS P C BOARD NOTE Warning NOTE Parts that are shaded are critical NOTE With respect to risk of fire or NOTE electricial shock ...

Страница 60: ...3 67 LOCATION GUIDE ...

Страница 61: ...3 68 4 JACK P C BOARD LOCATION GUIDE ...

Страница 62: ...3 69 3 70 5 KEY TIMER P C BOARD LOCATION GUIDE ...

Страница 63: ......

Страница 64: ...e the IC106 Replace the D123 Replace the D124 Replace the D125 YES YES YES YES YES YES YES YES YES Is Vcc 11V 18V supplied to IC101 Pin3 NO Are the D122 normal Is there about 2 5V at the IC106 Pin1 Is the D123 normal Is the D124 Normal Is the D125 Normal Power Line of Main PCB VDR is short VDR PART No 3 3V Check or Replace the D122 Is there about 3 8V at the IC154 pin1 Check the IC154 and Replace ...

Страница 65: ...the DVD PWR CTL H signal from µ com NO YES Check the IC151 and Replace YES No 1 8V Check or Replace the D123 Is there about 2 3V at the IC160 pin1 Is there about 3 3V 5V at the IC60 pin4 NO Check the DVD PWR CTL H signal from µ com NO Check or Replace the R167 R168 NO YES Are the R167 R168 normal YES Check the IC160 and Replace YES Check or Replace the D124 NO YES No 12V Check or Replace the D125 ...

Страница 66: ... C613 R608 C612 R607 C611 IC610 12 Check input IC610 14 Check input C636 C635 R464 R463 IC610 10 Check input C637 R462 FL505 FL506 FL507 Check Signal Check CLK X101 Check IC101 Power and Other Circuits YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO VDR ELECTRICAL TROUBLESHOOTING GUIDE ...

Страница 67: ... IC610 2 Check input C651 C639 R456 R4103 R4107 Check Signal R457 IC610 4 Check input C650 R458 IC5101 40 HIGH RST_VENC R154 R155 Signal and 3 3V level IC5101 41 42 Check I2C Clk Data Check R5101 CLOCK R5124 R5131 Check VO_D0 VO_D15 Check IC101 power And Other circuits IC5101 9 16 Check MP7 MP0 signal YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO ...

Страница 68: ...k Q307 collector Signal power 12 V C644 Q605 C645 Check circuit FL501 Check signal IC301 28 YES YES YES YES YES YES YES YES YES YES YES YES YES IC502 34 HIGH RST_VDEC R4103 R4106 signal YES NO when reset IC502 28 29 Check I2 C Clk Data Check R533 R526 Signal and 3 3V level YES NO check IC502 40 VI_CLK Check X501 clock oscillated YES NO NO When playing DISC no COMPONENT COMPOSIT S VIDEO signal Chec...

Страница 69: ...mal Check FFC Cable Signal flow NO YES Audio output even When playing DISC PN304 19 22 Check audio signals NO Check FFC Cable and VCR part NO Check FFC Cable and VCR part Check IC801 power and other circuits NO Check AV_RST1 and power other circuits NO YES IC801 1 7 Check audio signals YES IC802 14 Check High YES Check IC802 power And Other circuits YES NO YES 5 When playing DISC no audio output 6...

Страница 70: ...power And Other circuits YES when playing DISC no audio output check Check Audio Cable Audio output even When playing DISC PN5401 4 6 Check audio signals PN304 27 30 Check audio signals NO NO Check PN302 5 6 and Front Jack Cable NO Check FFC Cable and VCR part NO Check IC801 power and other circuits NO YES YES PN304 19 22 Check audio signals YES IC801 1 7 Check audio signals YES Check AV_RST1 and ...

Страница 71: ...VP5146 YC MIX NJM2274 DV 1394 TSB41AB1 Control Reg Block MEMORY CARD Block DDR Memory ADAC CS4271 AI_D0 AO_D0 VI_D 0 9 VO_D 7 0 G Y_OUT B Pb_OUT R Pr_OUT DMN8602 BIO_PHY_DATA 0 7 GPIOExt HD 15 0 RESET SIO_SPI_ AO_IEC958 GPIOExt DATA 15 0 ADD 2 0 A_OUT Y C CVBS_OUT G_Y B_Pb R_Pr VDR_A Y C CVBS Y Pb Pr VDR_RESET_L Serial Comm U COM IEC958 D_Control Int_Prog IEC958 D_CONT I P VENC SAA7128 Buffer 74HC...

Страница 72: ...202 TVP5146 TSB41AB1 NJM2274 CS4271 74ALT16245 FLASH DMN8602 DDR 74LVC245 74LVC32 74LVC04 74LVC541 74LVC08 E5_3V3 E5_1V8 E5_5VD E5_2V5 2 5V 5VD 1 8V 3 3V VTT LP2995 1 25V 1 25V VDDD VDDA IOVDD A18VDD DVDD A33VDD V33PHY VA 3 3VA 12V 3V3 5VD 3 3VA 3 3V 2 5V 1 8V 12V 5VD 2 5V ...

Страница 73: ...32 NJM5532 IC804 IC804 IC804 IC804 Z_MUTE_R A_L A_R OP AMP2 OP AMP2 OP AMP2 OP AMP2 MC33202 MC33202 MC33202 MC33202 IC803 IC803 IC803 IC803 DAC_SDATA AO_D0 SCL SDA SCL SDA AUDIO AUDIO AUDIO AUDIO MUTE TR MUTE TR MUTE TR MUTE TR BLOCK BLOCK BLOCK BLOCK Z_MUTE_L DAC_L _OUT DAC_L _OUT DAC_R _OUT DAC_R _OUT OP AMP MC33202 IC801 ADAC CS4271 IC802 RST_CS4271 AV_RST1 E5 BGA3080 DWN8602 IC101 Connector PN...

Страница 74: ..._IRQ AV_RST RST_VDEC RST_VENC RST_PHY RST_AUDIO Connecto r PN302 Connecto r PN302 Connecto r PN302 Connecto r PN302 Connecto r PN304 Connecto r PN304 Connecto r PN304 Connecto r PN304 I P D_CONT VDR_RESET_L INT_PROG D_CTR S_DET_H E5 BGA308 E5 BGA308 E5 BGA308 E5 BGA308 DMN8602 DMN8602 DMN8602 DMN8602 IC 0 IC 0 IC 0 IC 0 HD 0 15 E5_MA 1 5 22 26 Buffe r IC406 DDR Memory IC1202 DDR Memory IC1203 SDRA...

Страница 75: ...SYNC 0 VI_D 9 0 AV_RST1 Y_IN C_IN V2_MIX_OUT MIX_OUT RST_VDEC VO_D 7 0 VO_CLK SCL SDA RST_VENC VO_D 7 0 VO_CLK G Y R Pr B Pb G_Y_OUT R_Pr_OUT B_Pb_OUT Y_OUT C_OUT CVBS_OUT Connector PN304 14 3MHz X501 VDEC TVP5146 IC502 VENC SAA7128 IC5101 Connector PN302 YC MIX NJM2274 IC501 E5 BGA308 DMN8602 IC101 ...

Страница 76: ...3 83 6 DV 1394 IN OUT BLOCK DIAGRAM TPA PHY_DATA 7 0 PHY_CTL 0 PHY_LREQ PHY_LPS PHY_LINK_ON PHY_CLK AV_RST RST_PHY TPA TPB TPB E5 BGA308 DMN8602 IC101 DV 1394 TSB41AB1 IC601 JACK Connector PN302 ...

Страница 77: ...2 LVC32 LVC32 LVC32 IC6904 IC6904 IC6904 IC6904 PA 2 0 E5_ALE GPIOExt OE WE RST MEMC_OE WE RST DR DW RST READY IO_READY WAIT WAIT CS2 C S2 ATA_CON_SIG Control Control Control Control Reg Block Reg Block Reg Block Reg Block IC6901 IC6903 E5 BGA308 DMN8602 IC101 HD 15 0 BA 21 20 BA 21 20 BA 18 16 HD 15 0 Header H601 ...

Страница 78: ...3 85 3 86 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM ...

Страница 79: ...3 87 3 88 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...

Страница 80: ...3 89 3 90 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...

Страница 81: ...3 91 3 92 4 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...

Страница 82: ...3 93 3 94 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...

Страница 83: ...3 95 3 96 6 DV1394 HDMI CIRCUIT DIAGRAM ...

Страница 84: ...3 97 3 98 7 AUDIO IN OUT CIRCUIT DIAGRAM ...

Страница 85: ...UT PN304 PIN11 C_OUT PN304 PIN17 R_Pr_OUT PN304 PIN13 G_Y_OUT PN304 PIN15 B_Pb_OUT IC5101 PIN4 VO_CLK PN303 PIN1 IEC958 IC802 PIN3 ADAC_MCLK IC802 PIN5 ADAC_SCLK IC802 PIN4 ADAC_LRCK IC802 PIN6 ADC_SDATA AI_D0 IC802 PIN7 DAC_SDATA AO_D0 IC502 PIN53 VI_D1 PN7401 PIN 12 VDR_CLK PN7401 PIN 13 VDR_DIN PN7401 PIN 14 VDR_DOUT PN7401 PIN 15 VDR_ENB ...

Страница 86: ...422 1 1 136 1 215 1 122 2 0 007 0 005 0 01 3 0 006 0 004 0 009 4 1 63 1 628 1 616 5 0 006 0 006 0 008 6 3 217 3 232 3 186 7 3 191 3 206 3 16 8 3 214 3 229 3 183 9 1 835 1 57 1 812 10 1 072 0 969 1 068 11 0 992 1 316 0 996 12 1 5 1 381 1 492 13 1 148 0 982 1 152 14 1 098 1 25 1 092 15 1 07 1 232 1 07 16 1 133 1 206 1 111 17 3 207 3 246 3 183 18 0 007 0 006 0 005 19 1 54 0 262 0 18 20 3 206 3 247 3 ...

Страница 87: ...103 3 104 IC BLOCK DIAGRAMS IC1201_LP2995 IC1202_16MX16 DDR IC1203_16MX16 DDR IC301_MX29LV640TTC 90 IC303_MM1231 IC402_74LVC08 IC101_DMN8602 IC302_74HCT125 IC406_74LVT16373 IC405_74LVT16245 IC409_74LVC04 ...

Страница 88: ...3 105 3 106 IC5101_SAA7128 IC5101_SAA7128 IC501_NJM2274 IC6901_74LVC245 IC802_CS4271 IC6902_74LVC245 IC6903_74LVC541 IC6904_74LVC32 IC801_MC33202 IC803_MC33202 IC601_TSB41AB1 IC804_NJM5532 ...

Страница 89: ...3 107 3 108 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...

Страница 90: ...3 109 LOCATION GUIDE ...

Страница 91: ...3 110 LOCATION GUIDE ...

Страница 92: ...3 111 3 112 2 VDR P C BOARD BOTTOM VIEW ...

Страница 93: ......

Страница 94: ...CUS ON SIGNAL CD 3 138 22 FOCUS ON SIGNAL DVD 3 138 23 FOCUS ON SIGNAL DVD 3 139 24 TRACK OFF SIGNAL CD 3 139 25 TRACK OFF SIGNAL DVD 3 140 26 TILT DRIVER SIGNAL DISC READING 3 140 27 RF WAVEFORM DVD 3 141 28 RF WAVEFORM CD 3 141 29 WOBBLE DVD R RW _READING 3 142 30 WOBBLE DVD R RW _READING WRITING X1 SPEED 3 142 31 LD ENABLE DVD 3 143 32 LD ENABLE CD 3 143 33 LASER POWER READING _DVD RW 3 144 34 ...

Страница 95: ... 4 1 of CN202 12V 5V respectively after the power cable connecting Does the pin 3 of IC202 change 0V to 3 3V at the power supply initial input mode Are the X201 X300 oscillating Power Is the pin 5 of IC312 3 3V Is the pin 4 of IC312 1 5V Is the pin 3 of IC306 2 5V OK YES YES YES YES YES NO NO NO NO 1V IREF Check pin 116 of IC201 1 65V REFIN Check pin 142 of IC201 1 65V REFOUT Check pin 136 of IC20...

Страница 96: ...Disc Does tray operate normally YES YES YES YES YES NO NO NO NO NO NO NO YES YES Does pick up move to inside Does laser turn on After eject tray insert DVD Disc and check rotation After eject tray Insert DVD R RW Disc and check rotation OK Does disc rotate continuously and the drive recognize the disc Does disc rotate continuously and the drive recognize the disc Does disc rotate continuously and ...

Страница 97: ...eplace the IC103 Check the communication line between IC107 and IC301 Is there tray control signal input IC102 pin46 When CN303 is open Is there tray drive signal output Is there tray drive voltage output IC102 pin 1 2 Check the connector CN303 Replace the IC105 Is the Input voltage 0V at IC301 pin 60 when push the EJECT SW YES NO NO NO NO YES YES YES ...

Страница 98: ...put IC107 pin 8 9 YES YES YES YES YES NO NO NO NO NO Is there sled drive signal input IC102 pin 29 30 Is DRV CTRL1 signal H IC102 pin35 Replace the IC102 Replace the sled motor Check the connection of IC301 pin 91 Replace the IC301 Is there sled drive voltage output IC102 pin 37 40 Is there sled drive voltage output CN100 pin 1 2 3 4 Check the connection CN102 ...

Страница 99: ...ltage output IC102 pin 11 13 16 Is there SFG signal input IC301 pin 28 Check the connection of IC102 pin 43 Check the connector CN103 Replace the IC102 Replace the IC201 Check the R145 R143 Replace the IC104 OK Replace the Spindle Motor Is there spindle control DSP output IC201 pin 130 NO NO NO NO YES YES YES YES ...

Страница 100: ...s FDRV signal output normal in Focusing Up Down IC201 pin 131 Go to Focus Actuator operating is abnormal Focus Actuator operating is abnormal Is there focus search control signal input IC102 pin 5 Is there focus search drive voltage output IC102 pin 51 52 Is DRV CTRL1 signal H IC102 pin 35 Replace the IC102 Check the connection CN102 pin 40 41 Check the connector CN102 Replace the pick up After re...

Страница 101: ... Replace the IC201 Check the pick up FFC Replace the pick up After replacing Perform 5 Optical Power Setting from How to use Test tool Check the connection between IC201 pin141 and IC106 pin 85 Is TE signal input normal in focusing ON and tracking OFF IC201 pin 141 Is there TDRV signal output in tracking ON IC201 pin 132 Check the IC102 and pick up referring to Focus Actuator operating is abnormal...

Страница 102: ...eplace the IC106 Go to Tracking Servo is unstable Check the pick up FFC and CN102 Replace the pick up unit Does focus servo operate normally Check pick up RF signal IC106 Pin113 RFO TP161 is 500 1000mVpp Check RFEQO waveform IC106 Pin 95 is 800 1200mVpp Check after replacing IC201 Is it OK OK NO NO NO NO NO YES YES YES YES YES ...

Страница 103: ...DEN DVD level was about 0V Is there RF signal at CN102 pin 13 14 Is there RF signal at IC106 pin 95 Check again after the replace IC106 Is it OK Recognition Fail Case 3 DVD R RW Fail Is there AWOBBLE IC106 pin 81 signal Is there WBLLPP IC201 pin 113 signal Replace the IC201 Check the connection between IC106 and IC201 Replace the IC106 OK YES NO NO NO NO NO NO YES NO YES YES YES YES ...

Страница 104: ...arameter check from How to use Test tool Execute C Laser Power Setup of How to use Test Tool Check reference voltage E F G FPD VRDC VWDC1 VWDC2 Is ALPC parameters valid Perform 4 LD Test check from How to use Test tool OFF level VRDC level FPD VWDC1 level FPD VWDC2 level FPD OK ...

Страница 105: ...w to use Test tool Select Mode DVD Test and perform Test from 4 LD Test of How to use Test tool Check the input of LDEN DVD pin 17 of CN102 H Check the input of LDEN DVD pin 17 of CN102 H Check the input of VRDC pin 34 of CN102 Check the input of FPD pin 19 of CN102 END E ...

Страница 106: ... CN102 Check the input of recording pulse pin 2 3 6 of IC108 Check the input of FPD pin 19 of CN102 END G Select Mode DVD Test and perform Test from 4 LD Test of How to use Test tool Check the input of LDEN DVD pin 17 of CN102 H Check the input of VWDC pin 36 of CN102 Check the input of recording pulse pin 2 3 6 of IC108 Check the input of FPD pin 19 of CN102 END ...

Страница 107: ... Go to Writing Part Check Remove the dust fingerprint and if the disc has long width scratch change it Check the media DVD R RW Does the disc have any dust scratch fingerprint Finalized Disc If DVD R disc use new DVD R disc If DVD RW disc erase the disc YES YES NO YES NO ...

Страница 108: ...le read normally OK Check and replace the connection of IC201 pin 160 Do the IC302 pin 58 59 output toggle signals during writing Check and replace the IC301 Eject tray Go to LD CHECK Is the re written file read normally Is SHAPCRE input signal pulse IC106 pin 62 Check and replace IC106 IC201 YES YES YES YES YES NO NO NO NO NO ...

Страница 109: ...3 128 WAVEFORMS 1 POWER RESET Signal HRST IC202 PIN 3 RST IC202 PIN2 12 V CN202 PIN4 5 V CN202 PIN 1 X201 IC201 PIN 3 GND LEVEL POWER IN 2 Main Clock1 for IC202 16 9MHz ...

Страница 110: ...3 129 3 Main Clock2 for IC302 20MHz X300 IC301 PIN 13 4 SDRAM Clock ...

Страница 111: ...SE SIGNAL 1 TRAY CN303 PIN 1 EJECT KEY SW 302 PIN1 TRAY CTRL IC102 PIN46 TRAY CN303 PIN 2 OPEN CLOSE OPEN SW CN303 PIN 4 EJECT KEY SW 302 PIN1 TRAY CTRL IC102 PIN46 LOAD SW CN303 PIN 5 OPEN CLOSE 6 TRAY OPEN CLOSE SIGNAL 2 ...

Страница 112: ...3 131 7 SLED MOVE SIGNAL 1 A CN100 PIN 2 STEP1 IC107 PIN8 STEP2 IC107 PIN9 A CN100 PIN 1 ZOOM A CN100 PIN 2 STEP1 IC107 PIN8 STEP2 IC107 PIN9 A CN100 PIN 1 8 SLED MOVE SIGNAL 2 ...

Страница 113: ...3 132 9 FOCUS SEARCH SIGNAL F IC102 PIN 52 FDRV IC104 PIN13 VRDC CN102 PIN 34 LDEN DVD CN102 PIN17 F IC102 PIN 51 F IC102 PIN 52 10 LASER TURN ON SIGNAL ...

Страница 114: ...3 133 11 DISC TYPE JUDGEMENT WAVEFORM CD SERIES FE IC106 PIN87 ZOOM F IC102 PIN 52 FE IC106 PIN87 F IC102 PIN 52 12 DISC TYPE JUDGEMENT WAVEFORM CD CD R ...

Страница 115: ...3 134 13 DISC TYPE JUDGEMENT WAVEFORM CD RW FE IC106 PIN87 F IC102 PIN 52 ZOOM FE IC106 PIN87 F IC102 PIN 52 14 DISC TYPE JUDGEMENT WAVEFORM DVD SERIES ...

Страница 116: ...3 135 15 DISC TYPE JUDGEMENT WAVEFORM DVD_SINGLE R FE IC106 PIN87 F IC102 PIN 52 FE IC106 PIN87 F IC102 PIN 52 16 DISC TYPE JUDGEMENT WAVEFORM DVD _DUAL ...

Страница 117: ...3 136 17 DISC TYPE JUDGEMENT WAVEFORM DVDRW FE IC106 PIN87 F IC102 PIN 52 MDRV IC104 PIN 9 SFG IC102 PIN43 SRVC IC104 PIN 10 18 SPINDLE WAVEFORM1 ...

Страница 118: ...3 137 19 SPINDLE WAVEFORM2 SFG IC102 PIN43 U IC101 PIN11 V IC101 PIN13 W IC101 PIN16 ZOOM FE IC106 PIN87 F IC102 PIN 52 TE IC106 PIN85 T IC102 PIN 54 20 FOCUS ON SIGNAL CD ...

Страница 119: ...3 138 21 FOCUS ON SIGNAL CD FE IC106 PIN87 F IC102 PIN 52 TE IC106 PIN85 T IC102 PIN 54 ZOOM FE IC106 PIN87 F IC102 PIN 52 TE IC106 PIN85 T IC102 PIN 54 22 FOCUS ON SIGNAL DVD ...

Страница 120: ...3 139 23 FOCUS ON SIGNAL DVD FE IC106 PIN87 F IC102 PIN 52 TE IC106 PIN85 T IC102 PIN 54 TZC IC106 PIN74 MIRRBCA IC106 PIN77 TE IC106 PIN85 24 TRACK OFF SIGNAL CD ...

Страница 121: ...3 140 25 TRACK OFF SIGNAL DVD TZC IC106 PIN74 MIRRBCA IC106 PIN77 TE IC106 PIN85 TILTDRV IC102 PIN47 TILT IC102 PIN50 TILT IC102 PIN49 26 Tilt Driver signal Disc reading ...

Страница 122: ...3 141 27 RF WAVEFORM DVD RFP IC106 PIN2 RFI IC106 PIN 95 RFO IC106 PIN 113 RFP IC106 PIN2 RFI IC106 PIN 95 RFO IC106 PIN 113 28 RF WAVEFORM CD ...

Страница 123: ...3 142 29 WOBBLE DVD R RW _READING AWOBBLE IC106 PIN81 LPP HEAD IC106 PIN 73 AWOBBLE IC106 PIN81 LPP HEAD IC106 PIN 73 30 WOBBLE DVD R RW _READING WRITING X1 SPEED ...

Страница 124: ...3 143 31 LD Enable DVD LDENCD CN102 PIN 38 LDENDVD CN102 PIN 17 LDENCD CN102 PIN 38 LDENDVD CN102 PIN 17 32 LD Enable CD ...

Страница 125: ...wer reading _DVD RW VRDC CN102 PIN 34 VWDC2 CN102 PIN 35 VWDC1 CN102 PIN 36 OPECTRG IC1201 PIN 165 About 440mv VRDC CN102 PIN 34 VWDC2 CN102 PIN 35 VWDC1 CN102 PIN 36 OPECTRG IC1201 PIN 165 34 Laser Power Erase _DVD RW ...

Страница 126: ...35 Laser Power Writing _initial state VRDC CN102 PIN 34 VWDC2 CN102 PIN 35 VWDC1 CN102 PIN 36 OPECTRG IC1201 PIN 165 VRDC CN102 PIN 34 VWDC2 CN102 PIN 35 VWDC1 CN102 PIN 36 36 Laser Power Writing _Processing ...

Страница 127: ...3 146 The difference of DVD R RW DVD R RW discs and DVD ROM 1 Recording Layer 0 74um 3T 0 4 um DVD ROM Read Only Disc DVD R RW Disc ...

Страница 128: ...3 147 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...

Страница 129: ...a laser When a strong laser is applied to a disc the temperature of the organic dye material goes up the dye is decomposed and the substrate changes at the same time At this time a durable bit is created as is the case with a CD ROM Playback Signals are read with the differences of the reflection of a laser from pits 2 Recording format using organic dye material DVD R DVD R G Disc structure G Reco...

Страница 130: ... a low reflection coefficient when it quickly cools off When a mid power laser is applied to heat gradually the recording material and then gradually cools it off it becomes crystal with a high reflection coefficient Playback A low power laser is used for playback The amount of reflected light depends on the status amorphous or crys talline of the recording material This is detected by an optical ...

Страница 131: ... for DVD RW has Type 1 and Type2 In Type 1 the mark with nT width is created by one top pulse and n 2 multi pulses Thus mark 3T is made by one top pulse and one multi pulse In Type 2 the mark with nT width is created by one top pulse and n 3 multi pulses Thus mark 3T is made by one top pulse only RL 02A uses MP type Write Strategy for DVD R and Type 1 for DVD RW as shown below Po Write Power Peak ...

Страница 132: ...6mm Diameter 22mm 3th transition area Diameter 33mm Diameter 44mm 1th transition area 2th transition area Rim area Data Zone Lead in Zone Inner Drive Area Unrecorded Disc Outer Drive Area Inner Disc Test Zone in 27080H 28480H Information Zone Center hole Clamping Zone Diameter 120 mm Diameter 15mm Disc Center Diameter 16mm Diameter 22mm 3th transition area Diameter 33mm Diameter 44mm 1th transitio...

Страница 133: ... ormed in IDT Zone 3 Layout of DVD RWdisc Data Zone Lead in Zone Unrecorded Disc Lead out Zone Inner Disc Test Zone in 2A7C80H 2DC80H Information Zone Center hole Clamping Zone Diameter 120 mm Diameter 15mm Disc Center Diameter 16mm Diameter 22mm 3th transition area Diameter 33mm Diameter 44mm 1th transition area 2th transition area Rim area 2A480H PSN Inner Disc Count Zone 30000H out Outer Disc T...

Страница 134: ...libration Area in 203B0H 22F90H Unrecorded Disc Center hole Clamping Area Diameter 120 mm Diameter 15mm Disc Center Diameter 16mm Diameter 22mm 3th transition area Diameter 33mm Diameter 44mm 1th transition area 2th transition area Rim area Lead out Area 1E800H PSN RMA Recording Management Area 203C0H 22FA0H 30000H ...

Страница 135: ...s temperature variation There are two power control loops in uPC3330 which are used with different combination for different applications Generally the first ALPC loop is used for read power control The 2nd ALPC loop is used for write erase power control for CD R RW and DVD R RW disc Owing to the small signal level in read power control mode the first ALPC loop amplifies the FPD signal to enhance ...

Страница 136: ...Pentium 3 500MHz Above RAM 64M Above Win98 Above Adjustment Program Dragon or ALPC for SVC ALPC Program recommended N Fl optional equipment USB ATAPI Interface needed when using USB Port from the laptop computer without ATAPI interface or a desktop computer Connector ATAPI Interface Board Part Mo 6881R 7677A needed when ATAPI is not attached to Loader Optical Power Meter USB ATAPI Interface Loader...

Страница 137: ...delmn txt is a configuration file Determine how to connect The following contents are included when you open modelnm txt file The following contents are included when you open LGE connect 0 connect 0 is the item which you can determine whether you use Serial or ATAPI 0 ATAPI 1 Serial Thus select connect 0 to use ATAPI or select connect 1 to use Serial then save the file For SVC ATAPI setting is re...

Страница 138: ... CD DVD Selection Laser Power Setup window Laser Read Power On Laser Write Power On Laser off Used When inputting to EFROM after Lser power measurement When Laser Power Test ALPC Setup or LD Test Selection Result output window EEPROM Data output Display what is selected in modelnm txt ...

Страница 139: ...VW2 2 CD 2 4 0 08 0 53 0 22 0 02 0 01 0 36 0 06 0 115 0 015 0 034 0 01 0 125 0 020 DVD 2 4 0 08 0 7 0 2 0 04 0 01 0 43 0 05 0 2 0 02 0 08 0 02 0 2 0 03 Test result output when All OK OK Specification can be changed according to pick up type circuit program and chipset If specifiction is changed program can be sent by supervisor Specification above is temporary reference ...

Страница 140: ...er Push Write power On Caution Light is very strong Never look at the light directly Measure optical power Write measurement value in Read Power and push LD off Push Measurement value is inputted to EEPROM DVD LD optocal Power Setting Select CD and Setup mode Push Read Power On Weak Red light can be seen from pick up optical lens Measure optical power Write measurement value in Read Power Push Wri...

Страница 141: ...ings recorded in EEPROM IC302 Write down these settings on the paper perform optical power setting and press again then new optical power set tings will appear Compare these two parameters If there is a big difference optical power setting may have been wrong at first or pick up optical output may have been changed If pick up is normal problem can be solved by resetting optical power without repla...

Страница 142: ...e DAC 64 139 2 CD RW READ Reference DAC 64 139 3 VWDC1 20 40 4 VWDC1 Offset 0 20 5 VWDC2 36 54 6 VWDC2 Offset 0 20 DVD 1 DVD R READ Reference DAC 62 93 2 DVD RW READ Reference DAC 62 93 3 VWDC1 48 70 4 VWDC1 Offset 0 20 5 VWDC2 51 72 6 VWDC2 Offset 0 20 ...

Страница 143: ... correctly Optical power mesurement procedure 1 Adjust optical power meter s λ wave length to DVD Generally 660 nm 2 Turn DVD LD on 3 Place sensor less than 3mm apart from pick up object lens perpendicular to lens Adjust position so that the center of object lens match to L mark on the sensor 4 Read monitor s value Read Maximum value as moving position slightly Check working unit Unit should be mW...

Страница 144: ...ALPF1 SALPF2 UAD 0 7 UA 8 14 RST U V W RFN RFP SPINDLE MOTOR Pick Pick up up Disc LD Driver LD LD Driver Driver SLED MOTOR PD PD PD RFI SWRF1 SWRF2 LDQM CAS WE RAS MBA MCLK MCKE UDQM MD 0 15 A T A P I C O N SDATAI DRV CTRL0 DRV CTRL1 MA SL TESTMOD0 HDD 0 15 DIOW DIOR HDMACK PDIAG IC104 NJM3403 TEMP TMPIN WLDON WGATE PDG CTRL WR RE ROPC1 ROPC2 EQCK1 EQCK2 SHWB SHSV SHAPCRE SHAPCW OPCTRG IC102 BD795...

Страница 145: ...3 164 2 RF Block Diagram ...

Страница 146: ...3 165 3 DSP Block Diagram ...

Страница 147: ...3 166 4 MICOM Block Diagram ...

Страница 148: ...3 167 3 168 CIRCUIT DIAGRAMS 1 RF1 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 149: ...3 169 3 170 2 RF2 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Страница 150: ...3 171 3 172 2 DSP CIRCUIT DIAGRAM ...

Страница 151: ...3 173 3 174 3 MICOM CIRCUIT DIAGRAM IC BLOCK DIAGRAMS IC101_FSDL0365RN ...

Страница 152: ... 0 3 3 5 0 0 3 3 3 3 3 3 0 0 0 0 1 7 1 7 0 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 STATE MODE PIN NO 1 7 1 5 5 0 0 0 0 0 0 3 3 0 0 0 0 0 0 3 3 1 7 1 7 1 7 5 1 7 1 7 1 7 1 7 1 7 1 7 0 1 7 1 7 1 7 0 0 0 0 0 0 0 2 3 2 3 2 3 2 3 0 2 1 2 1 2 1 2 1 5 2 1 2 3 2 1 I C 1 0 3 I C 1 0 ...

Страница 153: ...1_NJM3404AV IC103_KIC7W08FK IC104_NJM3403AV IC105_NC7SB3157 IC102_BD7954BFS IC106_UPC3330 IC107_BU2500FV IC108_FIN1047 IC202_AAT3528 IC302_AT93C86 IC203_KM616V1000 IC201_UPD63630 IC306_ AAT3220IQY 2 5 T1 IC312_BA3258HFP IC301_UPD76F0047 ...

Страница 154: ......

Страница 155: ...3 179 3 180 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...

Страница 156: ...3 181 LOCATION GUIDE ...

Страница 157: ...3 182 LOCATION GUIDE ...

Страница 158: ...3 183 3 184 2 MAIN P C BOARD ...

Страница 159: ......

Страница 160: ...og 4 11 DECK MECHANISM ADJUSTMENT Fixtures and tools for service 4 12 1 Mechanism Assembly Mode Check 4 13 2 Previous Preparation for Deck Adjustment 4 14 3 Torque Measuring 4 14 4 Guide Roller Height Adjustment 4 15 4 1 Prior Adjustment 4 15 4 2 Fine Adjustment 4 15 5 Audio Control A C Head Adjustment 4 16 5 1 Prior Adjustment 4 16 5 2 Tape Path Check between Pinch Roller and Take up Guide 4 17 5...

Страница 161: ... A 5 T 17 19 Arm T up 1 hook A 5 T 20 Supporter capstan Chassis Hole A 6 B 17 18 21 Belt Capstan Motor Capstan3 screws A 6 B 22 Lever F R Locking Tab A 6 B 21 22 23 Clutch Assembly D37 Washer A 6 B 24 Gear Drive Gear Cam Washer Hook A 7 B 25 Gear Sector Hook A 7 B 21 26 Brake Assembly Capstan Chassis Hole A 7 B 21 22 23 27 Plate Slider Chassis Guide A 7 B 24 2526 21 22 23 28 Lever Tension 1 Hook A...

Страница 162: ...parate cable flat from the Drum FPC and the Capstan Motor 2 Release 3 screws S1 on the bottom side of the chassis and separate the drum assembly 3 Release the hooks H1 H2 and separate both the holder FPC and the Cap FPC disassemble if necessary Fig A 1 Cautions in assembly of FPC Holder FPC Drum FPC Cap FPC Assembly shape seen in the reverse direction ...

Страница 163: ...ND ASSEMBLY OF DECK MECHANISM B E C Plate Top Arm Assembly F L Gear Assembly Rack F L Opener Door Holder Assembly CST B H3 A B Lever Assembly S W H4 E Fig A 2 Fig A 2 1 Fig A 2 2 Fig A 2 5 Fig A 2 6 Fig A 2 3 Fig A 2 4 ...

Страница 164: ...sis 4 Disassembly of Gear Assembly Rack F L Fig A 2 3 1 Separate the hook H3 while leaning ahead the hook 3 after moving the gear assembly rack F L toward the arrow A direction 2 Separate the gear assembly rack F L toward the arrow B direction CAUTIONS For the assembly correspond the gear part of gear assem bly rack F L to the gear drive 5 Opener Door Fig A 2 4 1 Separate the opener door ahead fro...

Страница 165: ...Arm Assembly Cleaner Fig A 3 3 1 Separate the A part of Fig A 3 1 from the embossing of chassis and hold it up while turning it anti clockwise 11 Head F E Fig A 3 4 1 Separate the A part of the head F E from the emboss ing of chassis and hold it up while turning it anti clock wise 12 Base Assembly A C Head Fig A 3 5 1 Release a screw S5 and disassemble while holding it up Arm Assembly Cleaner Moto...

Страница 166: ...while holding it upward 14 Arm Assembly Tension Fig A 4 2 1 Release the spring tension the hook H7 from the arm assembly tension 2 After releasing the hook H8 of the base tension sepa rate it while holding it up CAUTIONS Spring used for both brake assembly T and arm assembly tension is used 2EA used 15 Reel S Reel T Fig A 4 3 1 Disassemble the reel S reel T while holding it up com parison between ...

Страница 167: ...se 17 Opener Lid Fig A 5 2 1 Release the B part of the opener lid from the embossing of chassis 2 Disassemble the opener lid upward while turning it anti clockwise 18 Arm Assembly Pinch Fig A 5 3 1 Hold the arm assembly pinch up 19 Arm T up Fig A 5 4 1 Turn the arm T up to release the anchor jaw H9 part of chassis and then hold it upward CAUTIONS For the assembly check the C part of the arm assemb...

Страница 168: ...y 90 deg clockwise with a driver for disassembly 21 Belt Capstan Fig A 6 2 Motor Capstan Fig A 6 3 1 Separate the belt Capstan 2 Undo 3 screws S6 on the bottom side of chassis and dis assemble it upward 22 Lever F R Fig A 6 4 1 Release the locking tab L1 and then disassemble it upward 23 Clutch Assembly D37 Fig A 6 5 1 Remove the washer W1 and then disassemble it upward Fig A 6 1 Fig A 6 2 Fig A 6...

Страница 169: ...or Fig A 7 3 1 Release the hook H11 of the gear sector and then hold the gear sector upward 26 Brake Assembly Capstan Fig A 7 4 1 Release the locking tab L2 on the bottom side of the plate slider and then disassemble it upward 27 Plate Slider Fig A 7 5 1 Disassemble the plate slider while holding it up 28 Lever Tension Fig A 7 6 1 Release the lever tension from the guide A of chassis while turning...

Страница 170: ...r assem bly P2 and the P3 are adjusted straightly and then corre spond the gear section groove A to the plate slider hole B 32 Base Assembly P2 Fig A 8 3 Base Assembly P3 Fig A 8 4 1 Disassemble the base assembly P2 downward while mov ing it toward the arrow A direction along with the guide hole of chassis 2 Disassemble the base assembly P2 downward while mov ing it toward the arrow B direction al...

Страница 171: ...ase tension from the embossing of chassis 2 Hold the base tension upward while turning it anti clock wise 35 Arm assembly Idler Jog Fig A 9 2 1 Push both B C parts in Fig A 9 2 toward the arrow direction 2 Disassemble the arm assembly idler upward CAUTIONS Take care to ensure that the D part in the drawing is not hung to chassis in disassembly Fig A 9 1 Fig A 9 2 ...

Страница 172: ...auge adaptor PHILIPS Part No 996500013168 5 Post height adjusting driver PHILIPS Part No 996500013169 6 Type driver ø5 2 Alignment tape PHILIPS Part No NTSC 99650013166 PAL 996500013166 3 Torque gauge 600g Cm ATG PHILIPS Part No 996500013167 SRK VIDEO CASSETTE TORQUE METER VHT 303 S R K V H T S SRK V HT T 300 250 200 150 50 0 300 250 200 150 50 0 100 ...

Страница 173: ... frame and separate the deck assembly Check both the hole A of gear cam and the hole A of chassis correspond Fig C 1 5 Check the mode S W on the main P C board locates at a proper position as in B of the Fig C 1 6 Connect the deck to the main P C board and perform all types of test Gear Cam Gear Drive C Mode S W B Motor Assembly L D Gear Cam Chassis Hole Gear Cam Hole A A Fixtures and tools used V...

Страница 174: ...oles on the housing rail part of chassis to prevent detection of the end sensor If doing so proceeding to the stop mode is done In this status input signals of all modes can be received However operation of the Rewind and the Review is impossible since the take up reel remains at stop status and so cannot detect the reel pulse however possible for several seconds 2 Previous Preparation for Deck Ad...

Страница 175: ...e of oscilloscope to the RF envelope output point and the head switching output point 2 Tracking control playback Locate it at the center Set the RF output to the maximum value via the track ing control when such adjustment is completed after the drum assembly is replaced 3 Height adjusting screw Flatten the RF waveform Fig C 4 2 4 Move the tracking control playback to the right left Fig C 4 3 5 C...

Страница 176: ...he A C head If it is Turn and adjust the tilt adjusting screw to ensure that the tape corresponds to the bottom guide of the P4 and recheck the tape path after pro ceeding play for 4 5 seconds 3 Where the tape bottom is not equal to Fig C 5 3 Adjust the height by using the height adjusting screw B and then readjust it by using the tilt adjusting screw C CAUTIONS Always check the height of the A C ...

Страница 177: ...in cutting off the REV mode CAUTIONS If the RF waveform is changed after adjusting the A C head perform fine adjustment to ensure the RF waveform is flat tened Adjustment Procedure 1 Connect the probe of Oscilloscope to the audio output jack 2 Ensure that Audio 1KHz 7KHz output is flattened at the maximization point by adjusting the Azimuth adjusting screw A Fig C 5 4 Fixtures and tools used Conne...

Страница 178: ... ENVELOPE OUTPUT POINT V2 V1 V1 V1 V MAX 0 7 V1 V MAX 0 8 RF ENVELOPE OUTPUT HEAD RF SWITCHING OUTPUT POINT OSCILLOSCOPE Connection Diagram Waveform CH 2 CH 1 Checking Procedure 1 Check that locking time of the RF and Audio waveform is fallen within the measuring standard in conversion of the play mode from the CUE or the REV mode 2 Readjust the paragraph 5 and 6 if it deviates from the standard F...

Страница 179: ...P VIEW Fig C 9 2 BOTTOM VIEW F E Head Video Head A C Head Pinch Roller Belt Capston Clutch Assembly A37 Fig C 9 3 Tape Transport System Pollution of Video Head or Tape Transport System Poor Sound Low Sound o Pollution of Audio Control Head o Pollution of Pinch Roller or Belt Capstan Belt No tape wound or tape wound loosely FF or REW impossible or slow turning Deterioration of Clutch Assembly D37 T...

Страница 180: ...g C 9 4 Firstly try to use a cleaning tape 1 Use a cleaning patch if foreign materials are not removed with the cleaning tape due to severe dirty of the head Soak the cleaning patch in alcohol and put it to the head tip Smoothly turn the drum turning cylinder to the right or left In this case the cleaning patch must not be moved vertically 1 After completely drying the head test the traveling stat...

Страница 181: ... Part PL 433 Yellow Gear Part PL 433 Yellow Boss Part Side Wall PL 433 Yellow Gear Part Side Application PL 433 Yellow Cam Part Side Application KG 684G Green Gear Sector Gear Cam Base Loading Gear Drive Inner Surface of Guide Rail KG 684G Green Chassis L Chassis R Gear Part 1 2 3 4 6 5 7 1 Inner Side Surface and Top Surface of Loading Path 2 Stable Adhesion Part of Base P2 P3 Coil 3 Gear Cam Shaf...

Страница 182: ...4 22 PROTECTION MAINTENANCE AND CHECK OF VIDEO FUNCTION Lever F R Base Tension GEAR AY P2 P3 LEVER F R Clutch Contact Part PL 433 Yellow Tension Arm Party Hinge Part PL 433 Yellow BASE TENSION PL 433 ...

Страница 183: ...Syscon checked NO YES YES YES YES NO NO 1 Deck Mechanism A NO NO NO No F R operates Is the current mode an F R mode Check the assembly position of the Mode S W Is normal voltage applied at the Vcc1 and the Vcc2 of the Capstan motor Is the Vctl terminal voltage of the Capstan Motor applied at more than 4V Check the Servo Power circuit Replace the Capstan motor Does the Capstan motor rotate Does the...

Страница 184: ... the spring pinch Replace the drum motor Check the Servo Syscon Check the Syscon µ com No cassette loading is done Insert the cassette Check the holder assembly CST Does output of the CST IN S W change In insertion of the REC tape L _ H _ L In insertion of the REC preven tion tape L _ H _ L _ H Is the CST IN S W normal Is operation of the lever assembly S W normal Check the Syscon circuit Check th...

Страница 185: ...eck the Syscon circuit Check the Syscon circuit Check the Syscon circuit Does the Capstan motor turn Is the Vctl terminal voltage of the drum motor at more than 2 3V Replace the drum motor Is the Vcc voltage of the drum motor normal Check the clutch and the idler assembly YES YES YES YES YES YES YES YES NO NO NO NO NO Is the Vctl terminal voltage of the Capstan motor applied at more than 4V Replac...

Страница 186: ...bly YES Is there short between the cassette switch terminal and the GND on the main P C B assembly Replace the main P C B assem bly or remove the short part NO Check the mode switch position and the Syscon circuit Replace the CST IN switch YES NO YES NO NO Replace the F L switch NO NO No cassette eject is done Does the L D motor turn in reverse Check the L D motor and the drive IC Replace the leve...

Страница 187: ...embly F L Check power supply of the L D motor Check the assembly status of the holder assembly cassette Replace the gear rack F L Does the gear rack F L operate Does the opener door operate Does the arm assembly F L operate Does the L D motor operate Does the holder assembly cassette move same as the arm assembly F L Replace the front loading mechanism assembly YES YES YES YES NO NO NO YES NO YES ...

Страница 188: ...4 28 EXPLODED VIEWS 100 A21 A23 A24 032 109 A22 054A 054 115 116 110 112 113 114 103 105 102 106 107 1 Front Loading Mechanism Section ...

Страница 189: ...4 29 EXPLODED VIEWS 008 011 031 079 017 032 024 406 031 021 028 029 026 A03 027 022 003 004 006 007 014 015 009 409 013 016 012 OPTIONAL PART A01 405 2 Moving Mechanism Section 1 ...

Страница 190: ...4 30 EXPLODED VIEWS 052 517 061 056 518 052A 055 410 032 077 076 078 060 051 064 A11 A12 067 066 065 068 069 070 023 080 058 3 Moving Mechanism Section 2 ...

Страница 191: ......

Страница 192: ...R FPCB 6CH 004 9965 000 25626 CAP FPCBLD 008 9965 000 25627 CABLE FLAT 7PIN 17CM 009 9965 000 25628 ARM T UP OTHER 011 9965 000 25629 ARM ASSEMBLY TENSION 012 9965 000 25630 BASE ASSEMBLY P2 013 9965 000 25631 BASE ASSEMBLY P3 014 9965 000 25632 BASE ASSEMBLY P4 015 9965 000 25633 OPENER LID OTHER 016 9965 000 25634 BASE ASSEMBLY A C HEAD ALPS 016 9965 000 25816 BASE ASSEMBLY 017 9965 000 25635 RE...

Страница 193: ...646 10M K 6X6 L5 TP L704 9965 000 18646 10M K 6X6 L5 TP L705 9965 000 18646 10M K 6X6 L5 TP L7V1 9965 000 18641 100M K 6X6 L5 TP L801 9965 000 18641 100M K 6X6 L5 TP L802 9965 000 18641 100M K 6X6 L5 TP L803 9965 000 18641 100M K 6X6 L5 TP L901 9965 000 19456 10UH CHIP2012 CERATECH R TP L902 9965 000 19456 10UH CHIP2012 CERATECH R TP L903 9965 000 19456 10UH CHIP2012 CERATECH R TP L904 9965 000 19...

Страница 194: ...LLOW COILS FILTERS F701 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P F702 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P F703 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P F704 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P L701 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P L702 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P L703 9965 000 18585 BEAD CORE BFS3550R2FD8 R T P L704 9965 000 18648 100M K 2 3X3 4 L5 ...

Страница 195: ...000 25914 ELCAP 22UF 16V C508 9965 000 25915 ELCAP 10UF 16V C509 9965 000 25915 ELCAP 10UF 16V C510 9965 000 25915 ELCAP 10UF 16V C519 9965 000 25916 TANTALUM CAP 10UF 16V 20 C535 9965 000 25916 TANTALUM CAP 10UF 16V 20 C537 9965 000 25916 TANTALUM CAP 10UF 16V 20 C628 9965 000 25917 TANTALUM CAP 1UF 16V C629 9965 000 25917 TANTALUM CAP 1UF 16V C630 9965 000 25912 TANTALUM CAP 22UF 10V C801 9965 0...

Страница 196: ...39 BEAD C HH 1H4532 121JT L308 9965 000 25939 BEAD C HH 1H4532 121JT L501 9965 000 18575 HB 1M2012 102JT CERATECH TP L502 9965 000 18575 HB 1M2012 102JT CERATECH TP L503 9965 000 18575 HB 1M2012 102JT CERATECH TP L504 9965 000 18575 HB 1M2012 102JT CERATECH TP L607 9965 000 18575 HB 1M2012 102JT CERATECH TP L608 9965 000 18575 HB 1M2012 102JT CERATECH TP L801 9965 000 25871 INDUCTOR CHIP NLC322522...

Страница 197: ... 10V C126 9965 000 25552 ELCAP 2200UF 16V 20 BK7 5 FL C129 9965 000 25552 ELCAP 2200UF 16V 20 BK7 5 FL C139 9965 000 25880 1000UF KMG 25V 20 BULK FL RESISTORS R100 9965 000 19226 1 5M OHM 1 2 W 5 00 MF10 R103 9965 000 19228 56K OHM 2 W 5 00 TR R112 9965 000 25898 100K OHM 2 W 5 00 TR R115 9965 000 25898 100K OHM 2 W 5 00 TR R155 9965 000 25899 56 OHM 1 W 5 00 TR TH01 9965 000 25902 THERMISTOR PTC ...

Страница 198: ... 9965 000 25613 ZENER UZ 13BSA 26MM ZD153 9965 000 19244 UZ 30BSC 26MM PYUNG CHANG TP D INTEGRATED CIRCUITS IC101 9965 000 25555 IC FSDL0365RN 8PIN DIP IC102 9965 000 18689 LTV 817B PHOTO COUPLER LITEON IC102 9965 000 25884 PC123YN2 SHARP PHOTOCOUPLER IC103 9965 000 25885 KA431AZ LM431AZ IC103 4822 209 12767 KIA431 IC104 9965 000 25555 IC FSDL0365RN 8PIN DIP IC105 9965 000 18689 LTV 817B PHOTO COU...

Страница 199: ...6 1 REVISION LIST Version 1 0 Initial release Version 1 1 Parts list correction to conform with component repair policy ...

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