LG 7823W Service Manual Download

Page: 26 / 159

3-14

11. No TV, External input Video signal

CHECK Signal path
on the I/O board

C540 : Is there a
signal?

Check PN802-pin22
IC 701: reset circuit

Replace IC501

YES

C532,C535,C537:
Is there a signal?

C538:Is there a
signal?

No video signal of external
input AV3 (Rear RCA input)

No video signal of external
input AV4 (composite,s-video)

When Cable connecting Tuner and Rear
SCART1,2 No TV video signal(AV1/2)

YES

CHECK Cable connec-
tions & Input signal.

IC501- pin34
(reset”H”) :

IC501- pin40 (VI_CLK) : X501
clock oscillated? (14.318MHz)

YES

CHECK No RGB/ component/com-
posite Signal when play DISC

YES

Summary of Contents for 7823W

Page 1: ...ECORDER SERVICE MANUAL MODEL RH7521W 7823W 7926W MODEL RH7521W 7823W 7926W SERVICE MANUAL P NO 3829RHP042G APRIL 2005 Printed in Korea CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 RL 05 LOADER PART SECTION 5 REPLACEMENT PARTS LIST ...

Page 3: ...RECORDER 1 2 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SERVICE INFORMATION FOR EEPROM IC SETTING 1 5 SPECIFICATIONS 1 6 ...

Page 4: ...ELS ON THE THREE TMDS DATA CHANNELS TMDS ENCODING CONVERTS THE 8BIT PER CHANNEL INTO THE 10BIT DC BALANCED VIDEO PIXEL RATES CAN RANGE FROM 25MHZ TO 165MHZ THE VIDEO PIXELS CAN BE ENCODED IN EITHER RGB YCBCR 4 4 4 OR YCBCR 4 2 2 FORMATS IN ALL THREE CASES UP TP 24 BITS PER PIXEL CAN BE TRANSFERRED FAST DUBBING DUBBING MEANS A COPYING FUNCTION BETWEEN HDD TO DVD DISCS COPYING BETWEEN HDD TO DVD IS ...

Page 5: ...der 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 must...

Page 6: ...ctive Parts including Metal 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 follo...

Page 7: ...000 reserved OPT5 5B 00000000 reserved OPT6 CE 00000000 reserved OPT7 01 00000000 reserved OPT8 15 00000000 reserved WRITE OK EXIT MENU MP MOVE EDIT __ OPTION WRITE OK OK KEY IN MASK R00 EEP R00 D10 Each mask eeprom It shows a development release version DETECT NEW EEPROM OPTION EDIT SCREEN EEPROM INITIAL SETUP is displayed in the field if pressing the Front ch ch Key with the Remocon number clear...

Page 8: ...requency 48kHz Compression format Dolby Digital PLAYBACK Frequency response DVD PCM 48 kHz 8 Hz to 20 kHz CD 8 Hz to 20 kHz DVD PCM 96 kHz 8 Hz to 44 kHz Signal to noise ratio More than 100 dB AUDIO OUT connector Harmonic distortion Less than 0 008 AUDIO OUT connector Dynamic range More than 95 dB AUDIO OUT connector INPUTS ANTENNA IN Antenna or CATV input 75 ohms VIDEO IN 1 0 Vp p 75 ohms sync ne...

Page 9: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Deck Mechanism Section RL 05S 2 3 3 Packing Accessory Section 2 4 ...

Page 10: ...00 A47 468 273 104 101 100 102 103 102 102 102 103 103 103 410 410 457 274 283 A48 463 A54 457 A60 A53 A26 A43 A50 280 275 275 275 452 452 272 463 463 463 A46 250 463 463 463 261 261 320 465 261 268 468 270 468 468 468 A52 468 267 467 OPTIONAL PART A 5 4 3 2 1 B C D ...

Page 11: ... 1434 1434 1025 1025 1030 1437 1432 1038 1029 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 1436 1024 1433 1029 1027 1027 1005 1026 1003 1002 A004 A002 1041 1042 1434 1434 ...

Page 12: ...ry Cable Coaxial Plug Ass y 1Way Plug Ass y 2Way Bag Packing Remote Control Instruction Ass y Packing Box 806 804 803 811 812 FLAT CABLE 822 801 900 802 803 810 CABLE ASS Y OPTIONAL PART 3 Packing Accessory Section ...

Page 13: ...µ COM TUNER BLOCK DIAGRAM 3 38 CIRCUIT DIAGRAMS 3 40 1 POWER CIRCUIT DIAGRAM 3 40 2 E5 BGA POWER UART2_RS232C CIRCUIT DIAGRAM 3 42 3 DDR SDRAM FLASH DDR TERMINATION REG CIRCUIT DIAGRAM 3 44 4 RST CONTROL STATUS REG ADDRESS LATCH CIRCUIT DIAGRAM 3 46 5 1394 HDMI TRANSMITTER JACK ETHERNET CIRCUIT DIAGRAM 3 48 6 VIDEO DECODER IO JACK CIRCUIT DIAGRAM 3 50 7 ATAPI 1 2 MEMORY CARD I O CIRCUIT DIAGRAM 3 ...

Page 14: ... D121 normal Is there about 2 5V at the IC103 Pin1 Is the D126 normal Is the D130 Normal Is the D127 Normal Is the D128 Normal Power Line of I O PCB is short NO NO NO YES YES YES YES YES YES YES YES YES YES YES YES Replace the R101 NO NO NO Is the D102 normal Check or Replace the D102 Replace the D121 Replace the IC103 NO Replace the D126 NO Replace the D130 NO Replace the D127 NO Replace the D128...

Page 15: ...Is the Vcc 33V sup plied to Q124 Base NO NO Check the TIMER H signal from µ com NO Check the 33V Line YES YES YES No 5VD Check or Replace the D126 Check the Power CTL H signal from µ com Is the Vcc 14V sup plied to Q120 Emittor Is the Q120 Base H Check or Replace the Q124 NO NO YES YES YES No 12VA 12VT Check or Replace the D126 Is there about 14V at the IC156 pin1 Is there about 3 3V 5V at the IC1...

Page 16: ... or Replace the D128 NO Check or Replace the ZD151 YES YES YES Is the ZD151 Normal Check or Replace the D127 YES No 33V Check or Replace the D130 Check the PWR CTL H signal from µ com Is the Vcc 33V sup plied to Q123 Emittor Is the Q123 Base H Check or Replace the Q123 NO NO YES YES YES ...

Page 17: ...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 NO NO NO YES YES YES YES YES YES YES YES YES YES YES Replace the TH01 NO NO NO Is the Q111 normal Check or Replace the Q111 Replace the D122 Replace the IC106 NO Replace the D123 NO Replace the D124 NO Replace the D125 2 SMPS DVD HDD PART ...

Page 18: ...R CTL H signal from µ com Check the IC151 and Replace YES YES YES NO NO No 2 5V Check or Replace the D122 Is there about 3 8V at the IC152 pin1 Is there about 3 3V 5V at the IC152 pin4 NO Check the PWR CTL H signal from µ com NO YES YES Check the IC152 and Replace YES No 1 8V Check or Replace the D123 Check the PWR CTL H signal from µ com Is there about 2 3V at the IC160 pin1 Is there about 3 3V 5...

Page 19: ...3 7 No 12V Check or Replace the D125 Check the PWR CTL H signal from µ com Is there about 13 5V at the IC157 pin1 Is there about 3 3V 5V at the IC157 pin2 Check the IC157 and Replace NO NO YES YES YES ...

Page 20: ... 307 5 HOST RESET X101 Clock oscillated 27MHz NO Replace X101 NO Check IC206 Flash MENORY IC101 NO IC 101 DEFECT NO YES YES R146 IC 206 26 YES R180 R181 YES 3 SYSTEM Circuit PART Check DRIVER Power 5V 12V Change MEDIA TEST Check J601 Check SMPS NO NO YES 4 DISC not recognized ...

Page 21: ...ECK IC802 pin3 6 13 VCC Replace IC802 YES YES IC805 pin15 18 Audio_out R L Is there a signal CHECK Q801 802 803 804 806 C841 C842 on I O PCB Is there a signal Only Without SCART model IC 808 pin21 22 25 26 Is there a signal YES YES NO IC101 DEFECT NO NO C8A3 C8A4 on I O PCB Is there a signal YES NO YES L821 L836 Is there a signal YES CHECK Cable connec tions TV Audio mute YES ...

Page 22: ...3 10 R101 CHECK PN802 pin2 SPDIF_OUT R933 CHECK JK803 RCA cable connection NO YES YES YES CHECK JK805 Optic cable connection IC101 DEFECT NO 6 No OPTICAL DIGITAL Output ...

Page 23: ...gnal IC809 pin7 IC810 pin7 Is there a signal Check C920 Is there a signal Check R839 R841 YES YES IC802 pin10 12 Is there a signal YES IC802 pin2 4 7 8 Pin9 reset When playing DISC no Audio output YES YES YES NO NO CHECK IC811 Power In Out PIN NO CHECK IC802 pin3 6 13 VCC NO Replace IC802 ...

Page 24: ...s there a signal IC809 IC810 pin3 Is there a signal IC809 IC810 pin1 Is there a signal AV1 AV2 IC802 pin10 12 Is there a signal NO NO CHECK IC811 Power In Out PIN IC802 pin2 4 7 8 Pin9 reset When playing DISC no Audio output NO NO NO YES NO IC802 pin2 4 7 8 Pin9 reset NO When playing DISC no Audio output YES ...

Page 25: ...n24 21 18 Is there a signal CHECK SW801 statue SW801 in2 RGB_SEL H NO CHECK IC807 pin1 16 5 2V Replace IC807 YES YES YES YES 10 No composite s video Signal when play DISC R128 R129 R130 Is there a signal PN801 2 4 6 Is there a signal IC807 27 30 32 Is there a signal NO CHECK IC807 pin1 16 5 2V Replace IC807 YES YES YES YES ...

Page 26: ...ere a signal No video signal of external input AV3 Rear RCA input No video signal of external input AV4 composite s video When Cable connecting Tuner and Rear SCART1 2 No TV video signal AV1 2 NO NO NO NO NO YES YES NO YES YES YES NO CHECK Cable connec tions Input signal IC501 pin34 reset H IC501 pin40 VI_CLK X501 clock oscillated 14 318MHz YES CHECK No RGB component com posite Signal when play DI...

Page 27: ...power 3 3V IC 401 37 High X401 oscillated 24 576MHz NO CHECK SMPS 3 3V NO Change to DV mode Using Remote Control NO NO NO YES CHECK Reset Circuit YES YES YES IC401 15 Is there a signal YES IC401 pin1 27 28 29 30 Is there a signal YES IC401 pin 2 3 Is there a signal YES IC101 DEFECT YES Check DV Cable Replace IC401 ...

Page 28: ...gital Audio Out BIO_PHY_DATA 0 7 PHY TSB41LV03A PHY TSB41LV03A DV_In HD 0 15 HD 0 15 SPI I O Interface ATA_CONTROL A0_D 0 A0_IEC958 VOUT_CVBS ATAPI1_DATA 0 15 ATAPI1 _ DVD DRIVER DDR SDRAM 32M WordX2 DDR SDRAM 32M WordX2 32M WordX2 I O B d U COM U COM SIO_SPI_CS 0 SIO_SPI_MISO SIO_SPI_MOSI MAIN B d Latch 74LVT16373 Latch 74LVT16373 HA 6 21 Flash 8MByte Flash 8MByte V1_In N A2 MSP3425 N A2 MSP3425 ...

Page 29: ...V 33VT Input Output Boa rd Front Board Key Board S1 S2 AV3 S Comp Digital Optical 12V 5V AV3 DV_in S Jack 24V VF VF Tuner HARD DISC DRIVER ATAPI 2 J601 HDMI AV4 S DV 1 8V 2 5V 5VT 3 3V 12V 5V CN101 CN502 J603 PN7101 PN7102 PN7901 PN7902 PN801 P1701 PN802 CN601 CN501 J602 P1T01 P1M01 P1D01 Main Board J1 P9701 P9702 ...

Page 30: ...10 160mm 6 280mm 12 290m m 7 160mm 40 250m m 40 80m m 40 80m m 15 220mm 4 160 320mm 5 15 13 Pin No P N 10P 8T 6631R E092E 7P 1 5 9T 6631R E092F 3P 6T 6631R E092G 6P 6631R E066F 12P 6631R E066E 40P 40P 6850R EA08Y 40P 6850R EA08Y 15P 6631R E044D 4P 6P 6631R H003A P L H 5P 6631R E092D P I 15P 6631R E092C P I 13P 6631R E025S P I 3 160mm K K K M M m H L J T T T T T M M M M 2 3 4 5 6 7 8 9 10 11 ...

Page 31: ...V 33VT Input Output Boa rd Front Board Key Board S1 S2 AV3 S Comp Digital Optical 12V 5V AV3 DV_in S Jack 24V VF VF Tuner HARD DISC DRIVER ATAPI 2 J601 HDMI AV4 S DV 1 8V 2 5V 5VT 3 3V 12V 5V CN101 CN502 J603 PN7101 PN7102 PN7901 PN7902 PN801 P1701 PN802 CN601 CN501 J602 P1T01 P1M01 P1D01 Main Board J1 P9701 P9702 ...

Page 32: ...IER SMOOTING BLOCK D125 C139 L127 C140 RECTIFIER SMOOTING BLOCK D124 C129 RECTIFIER SMOOTING BLOCK D123 C126 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 IC158 R158 C156 1 8V 7 2V TO I O P1T01 RECTIFIER SMOOTING BLOCK D130 C137 R146 5 0V REG S W Block IC151 R152 C151 1 8V REG S W Block IC160 R1...

Page 33: ...SH FLASH TSB41AB1 TSB41AB1 V33_PHY_A D PCA9515A PCA9515A TVP5146 TVP5146 V18_VIA V33_VIA V33_VID 5V 3 3V 2 5V 1 8V 0 34A 0 25A 1 6A 1 4A 0 55A 0 35A 0 3A 100mA V25_SSTL2 2 5V 1 8V 2 5V 74LVC04 74LVC04 74LVC08 74LVC08 74VC245 74VC245 74LVC541 74LVC541 SIL9190 SIL9190 DV33_DVOUT_ V18_E5_VCORE 5V V5_E5_BIAS V25_SSTL2 V33_FLASH V33_FLASH 3V3D 3V3D 3V3D 3V3D 74LVC32 74LVC32 V33_BREG 74LVC541 74LVC541 3...

Page 34: ... W MM1623 V S W MM1623 Opti cal Driv e Opti cal Driv e Codec_Logi c CS4271 Codec_Logi c CS4271 Nicam A2 MSP3425 Nicam A2 MSP3425 12V A SW NJM2521 A SW NJM2521 Diff OP AMP NJN5532 Diff OP AMP NJN5532 Codec_Analo g CS4271 Codec_Analog CS4271 5VT Cync SEP MM1109 Cync SEP MM1109 33VT Tuner Tuner PWR_CTL_H 5V 12V CONTROL TIMER_H 5VT 12VA 33VT I O Ucom PWR CTL Tuner Tuner SYS_5 3VA Codec_Logi c CS5340 C...

Page 35: ..._OUT_ R SPDIF_OUT CIRCUIT SPDIF_OUT CIRCUIT AO_IEC958 OPTICAL COAXIAL SIF I O U COM FRONT JACK I O JACK A2 L R IN V2 IN Y C IN TU_V_OUT Audio_Sel_1 Audio_Sel_2 Audio_Out H H H L L L A1 SW A2 AUDIO SEL 1 2 CS4351 AUDIO CODEC CS4351 AUDIO CODEC DMM8652 MPEG ENC DEC TVP5146 Video Decoder ADC BH7868FS VIDEO Buffer BH7868FS VIDEO Buffer FRONT JACK MAIN BOARD I O BOARD V1 IN I2C VI D0 D7 MC33202 CS4340 ...

Page 36: ...eo In Out Block Diagram IC501 TVP5146 VIDEO Decoder VI_D 0 7 TU_Vz_IN Y_IN C_IN V1_IN V2_IN VI_CLK VSYNC VOUT_Y VOUT_C VOUT_ CVBS SCL SDA 14 31818MHz IC101 DMM8652 MPEG ENC DEC RST_VIN VOUT_ R Pr VOUT_ G Y VOUT_ B Pb ...

Page 37: ...A_L R_IN FRONT REAR JACK AO_SCLK AO_FSYNC AO_MCLK Audi o Mute TR Block IC101 DMM8652 MPEG ENC DEC TU_A_L_OUT TU_A_R_OUT IC805 CS4351 AUDIO CODEC A_Out_R A_Out_ L IC812 MSP3425G AUDIO PROCESSOR AI_DO AO_DO Z_MUTE_L Z_MUTE_R A_MUTE_L IC802 CS5340 AUDIO CODEC AI_FSYNC AI_MCLK AI_SCLK IC701 I O MICOM ...

Page 38: ...TE_L Audi o Mute TR Block ZMUTE_L ZMUTE_R OP AMP MC33202 IC811 AI_MCLK AI_SCLK AI_FSYNC AI_D0 Switch NJM2521 IC810 IC809 Audi o ADC CS5340 IC802 R C Circuit SPDIF_OUT COAXIAL OPTIC TU_A_L_OUT TU_A_R_OUT F_A_L_IN F_A_R_IN FRONT JACK IC812 MSP3425 MPX RCA JACK OPTIC JACK I O MICOM IC701 R_A_L_IN DMM8652 MPEG ENC DEC REAR JACK R_A_R_IN ...

Page 39: ...W_V_OUT V DEC IC501 TVP5146 C_SYNC_IN TU_V_OUT X702 14 31818MHz X701 32 768KHz X704 18 432MHz ITL_RESET_L SIF AV S W IC809 IC810 NJM2521 TU_A_L_OUT TU_A_R_OUT AFT DRIVER IC901 PT6315 DIG901 FV834ND FLD_CLK ENA_L FLD_TXD G 0 16 SIO_SPI_CS 0 SIO_SPI_MOSI RESET SIO_SPI_MISO DMM8652 MPEG ENC DEC IC704 KIA7042 PWR_FAIL_L PWR_CTL_H SMPS POWER BOARD AV S W IC808 MM1443 VPS IC801 SDA5650 DAV TIMER_H ...

Page 40: ...12V No Power D126 is Defective 30VA No Power D130 is Defective No Power IC107 Q111 are Defective No Power IC107 Q111 are Defective 3 3V No Power D122 is Defective 1 8V No Power D123 is Defective 5V No Power D124 is Defective 12V No Power D125 is Defective 3 3V No Power IC154 is Defective 1 8V No Power IC160 is Defective 12V No Power IC158 is Defective 2 5V No Power IC152 is Defective 5V No Power I...

Page 41: ...3 42 3 43 2 E5 BGA POWER UART2_RS232C CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 42: ...3 44 3 45 3 DDR SDRAM FLASH DDR TERMINATION REG CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 43: ...3 46 3 47 4 RST CONTROL STATUS REG ADDRESS LATCH CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 44: ...3 48 3 49 5 1394 HDMI TRANSMITTER JACK ETHERNET CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 45: ...3 50 3 51 A B C D E F G H I J K L M N O P Q R S T 6 VIDEO DECODER IO JACK CIRCUIT DIAGRAM ...

Page 46: ...3 52 3 53 7 ATAPI 1 2 MEMORY CARD I O CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 47: ...3 54 3 55 8 JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 48: ...3 56 3 57 9 I O µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 49: ...3 58 3 59 10 TUNER MPX ADC DAC JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 50: ...3 60 3 61 11 KEY CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 51: ...12 KEY CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 62 3 63 ...

Page 52: ...3 64 3 65 13 KEY CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 53: ...14 KEY CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 66 3 67 ...

Page 54: ...3 68 3 69 15 TIMER CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 55: ...3 70 3 71 16 TIMER CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 56: ...3 72 3 73 17 TIMER CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 57: ...3 74 3 75 18 TIMER CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...

Page 58: ...CN501 PIN9 B_Pb_OUT CN601 PIN19 AO_SCLK CN601 PIN4 AI_FSYNC CN601 PIN17 AO_FSYNC CN601 PIN24 HOST_RXD CN601 PIN26 HOST_TXD IC203 PIN45 SDRAM_CLK0 IC501 PIN75 14 31818MHz CN501 PIN6 CVBS_OUT CN501 PIN4 Y_OUT IC402 PIN52 VO_CLK CN601 PIN2 AO_IEC958 CN601 PIN15 AO_MCLK0 CN601 PIN21 AO_D0 IC501 PIN54 VI_D0 IC401 PIN43 24 576MHz CN502 PIN2 C_OUT CN601 PIN5 AI_SCLK ...

Page 59: ...35 3 35 12 0 04 0 04 0 04 13 3 35 3 35 3 35 14 3 35 3 35 3 35 15 0 00 0 00 0 00 16 3 35 3 35 3 35 17 0 02 0 04 0 04 18 0 04 0 04 0 04 19 3 35 3 35 3 35 20 0 04 0 04 0 04 21 0 04 0 04 0 04 EE MODE PIN NO IC101 A1 1 66 A2 A3 0 55 A4 0 55 A5 0 67 A6 0 54 A7 0 66 A8 0 67 A9 2 67 A10 1 18 A11 1 32 A12 1 82 A13 1 11 A14 0 83 A15 1 08 A16 1 70 A17 1 56 A18 0 00 A19 1 07 A20 0 00 A21 3 28 A22 1 41 A23 1 7...

Page 60: ...0 00 0 00 0 00 17 0 00 0 00 0 00 18 0 00 0 00 0 00 19 0 00 0 00 0 00 20 3 35 3 35 3 35 21 3 35 3 35 3 35 22 0 00 0 00 0 00 23 0 60 0 61 0 61 24 0 00 0 00 0 00 25 1 84 1 84 1 83 26 0 00 0 00 0 00 27 0 00 0 00 0 00 28 3 35 3 35 3 35 29 3 35 3 35 3 35 30 3 35 3 35 3 35 31 1 84 1 84 1 84 32 0 00 0 00 0 00 33 0 00 0 00 0 00 34 3 35 3 35 3 35 35 0 00 0 00 0 00 36 0 00 0 00 0 00 37 2 89 2 89 2 89 38 3 35...

Page 61: ... 34 1 34 1 34 13 4 11 4 11 4 12 14 12 08 12 07 12 07 15 4 19 4 19 4 20 16 0 00 0 00 0 00 17 12 09 12 08 12 08 18 4 20 4 19 4 19 19 12 08 12 07 12 07 20 3 36 3 36 3 36 IC809 1 7 39 7 39 7 39 2 5 11 5 11 5 11 3 7 23 7 22 7 22 4 0 00 0 00 0 00 5 7 40 7 38 7 39 6 10 97 10 95 10 95 7 6 56 6 54 6 54 8 0 00 0 00 0 00 IC810 1 7 40 7 39 7 39 2 5 11 5 11 5 11 3 7 27 7 25 7 26 4 0 00 0 00 0 00 5 7 41 7 39 7 ...

Page 62: ...3 84 3 85 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...

Page 63: ...3 86 3 87 LOCATION GUIDE 2 MAIN P C BOARD BOTTOM SIDE ...

Page 64: ...3 88 3 89 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JACK P C BOARD ...

Page 65: ...3 90 3 91 6 POWER P C BOARD LOCATION GUIDE BOTTOM VIEW 5 HDD P C BOARD TOP VIEW ...

Page 66: ... 6TOOL ONLY 6TOOL ONLY TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW 8TOOL ONLY 8TOOL ONLY TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW 9TOOL ONLY 9TOOL ONLY TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW 5TOOL ONLY 8 TIMER LED P C BOARD 7 KEY P C BOARD 5TOOL ONLY ...

Page 67: ......

Page 68: ...F SIGNAL CD 4 27 24 TRACK OFF SIGNAL DVD 4 28 25 TILT DRIVER SIGNAL DISC READING 4 28 26 RF WAVEFORM DVD 4 29 27 RF WAVEFORM CD 4 29 28 WOBBLE DVD R RW _READING 4 30 29 WOBBLE DVD R RW _READING WRITING X1 SPEED 4 30 30 LD ENABLE DVD 4 31 31 LD ENABLE CD 4 31 32 LASER POWER READING _DVD RW 4 32 33 LASER POWER ERASE _DVD RW 4 32 34 LASER POWER WRITING _INITIAL STATE 4 33 35 LASER POWER WRITING _PROC...

Page 69: ...e pin 4 1 of LCN202 12V 5V respectively after the power cable connecting Does the pin 3 of LIC303 change 0V to 3 3V at the power supply initial input mode Are the LX301 oscillating Power Is the pin 5 of LIC505 3 3V Is the pin 4 of LIC505 1 5V OK YES YES YES YES YES NO NO NO 1V IREF Check pin 112 of LIC301 1 65V REFIN Check pin 134 of LIC301 2 1V REFI2 Check pin 12 of LIC201 2 3V REF01 Check pin 13...

Page 70: ...isc 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 t...

Page 71: ...IC502 Check the communication line between LIC502 and LIC301 Is there tray control signal input LIC502 pin46 When LCN504 is open Is there tray drive signal output Is there tray drive voltage output LIC502 pin 1 2 Check the connector LCN504 Is the Input voltage 0V at LIC301 pin 60 when push the EJECT SW YES NO NO NO YES YES YES ...

Page 72: ... output LIC301 pin 126 127 YES YES YES YES YES NO NO NO NO Is there sled drive signal input LIC502 pin 29 30 Is DRV CTRL1 signal H LIC502 pin35 Replace the LIC502 Replace the sled motor Is there sled drive voltage output LIC502 pin 37 40 Is there sled drive voltage output LCN501 pin 1 2 3 4 Check the connection LCN501 ...

Page 73: ...IC502 pin 26 Is there spindle drive voltage output LIC502 pin 11 13 16 Is there SFG signal input LIC301 pin 53 Replace the LIC301 Replace the LIC301 OK Is there spindle control DSP output LIC301 pin 123 NO NO NO NO YES YES YES YES Replace the LIC102 Replace the Spindle Motor ...

Page 74: ...utput normal in Focusing Up Down LIC301 pin 124 Go to Focus Actuator operating is abnormal Focus Actuator operating is abnormal Is there focus search control signal input LIC502 pin 5 Is there focus search drive voltage output LIC502 pin 51 52 Is DRV CTRL1 signal H LIC502 pin 35 Replace the LIC502 Check the connection CN102 pin 40 41 Check the connector LCN201 Replace the pick up After replacing P...

Page 75: ...eplace the LIC301 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 LIC301 pin133 and LIC201 pin 85 Is TE signal input normal in focusing ON and tracking OFF LIC301 pin 133 Is there TDRV signal output in tracking ON LIC301 pin 125 Check the LIC502 and pick up referring to Focus Actuator operating is abno...

Page 76: ...Replace the LIC201 Go to Tracking Servo is unstable Check the pick up FFC and LCN201 Replace the pick up unit Does focus servo operate normally Check pick up RF signal LIC201 Pin113 is 500 1000mVpp Check RFEQO waveform LIC201 Pin 95 is 800 1200mVpp Check after replacing LIC301 Is it OK OK NO NO NO NO NO YES YES YES YES YES ...

Page 77: ...DVD level was about 0V Is there RF signal at LCN201pin 13 14 Is there RF signal at LIC201 pin 95 Check again after the replace LIC201 Is it OK Recognition Fail Case 3 DVD R RW Fail Is there AWOBBLE LIC201 pin 81 signal Is there a wobble LIC301 pin 135 signal Replace the LIC301 Check the connection between LIC201 and LIC301 Replace the LIC201 OK YES NO NO NO NO NO NO YES NO YES YES YES YES ...

Page 78: ...rameter 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 ...

Page 79: ... How 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 CD DVD pin 17 of LCN201 H Check the input of CD DVD pin 17 of LCN201 H Check the input of VRDC pin 34 of LCN201 Check the input of FPD pin 19 of LCN201 END E ...

Page 80: ...e input of recording pulse pin 28 29 30 31 32 33 of LCN201 Check the input of FPD pin 19 of LCN201 END G Select Mode DVD Test and perform Test from 4 LD Test of How to use Test tool Check the input of CD DVD pin 17 of LCN201 L Check the input of VWDC pin 36 of LCN201 Check the input of recording pulse pin 28 29 30 31 32 33 of ILCN2018 Check the input of FPD pin 19 of LCN201 END ...

Page 81: ...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 ...

Page 82: ...ing finish without any error Is the written file read normally OK Check and replace the connection of LIC301 pin 148 Eject tray Go to LD CHECK Is the re written file read normally Is SHAPCRE input signal pulse LIC01 pin 62 Check and replace LIC201 LIC301 YES YES YES YES NO NO NO NO ...

Page 83: ...4 16 WAVEFORMS 1 POWER RESET Signal 2 Main Clock1 for IC202 16 9MHz POWER IN 12 V LCN302 PIN4 5V LCN302 PIN 1 SYSRST LIC303 PIN2 LX301 LIC301 PIN 2 GND LEVEL HRST LIC303 PIN 3 ...

Page 84: ...4 17 3 SDRAM Clock 4 TRAY OPEN CLOSE SIGNAL 1 MCLK LIC304 PIN 35 EJECT KEY LR504 TRAY LCN504 PIN 3 TRAY LCN504 PIN 4 CLOSE TRAY CTRL LIC502 PIN46 OPEN ...

Page 85: ...RAY OPEN CLOSE SIGNAL 2 6 SLED MOVE SIGNAL 1 EJECT KEY LR504 SDRV2 LIC502 PIN31 SDRV1 LIC107 PIN29 ZOOM A LCN501PIN 2 A LCN1501 PIN 1 TRAY CTRL LIC502 PIN46 LOAD SW LCN504 PIN 2 OPEN SW LCN504 PIN 1 CLOSE OPEN ...

Page 86: ...4 19 7 SLED MOVE SIGNAL 2 8 FOCUS SEARCH SIGNAL SDRV2 LIC502 PIN31 FDRV LIC502 PIN 5 F LIC502 PIN 52 F LIC502 PIN 51 SDRV1 LIC107 PIN29 A LCN501PIN 2 A LCN1501 PIN 1 ...

Page 87: ...4 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...

Page 88: ...ISC TYPE JUDGEMENT WAVEFORM CD CD R 10 DISC TYPE JUDGEMENT WAVEFORM CD SERIES FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 ...

Page 89: ...ISC TYPE JUDGEMENT WAVEFORM CD RW 13 DISC TYPE JUDGEMENT WAVEFORM DVD SERIES FDRV LIC502 PIN 5 FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 ...

Page 90: ... TYPE JUDGEMENT WAVEFORM DVD_SINGLE R 15 DISC TYPE JUDGEMENT WAVEFORM DVD _DUAL FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 ...

Page 91: ...4 24 16 DISC TYPE JUDGEMENT WAVEFORM DVDRW 17 SPINDLE WAVEFORM1 FDRV LIC502 PIN 5 FE LIC201 PIN87 TE LIC201 PIN85 RF LIC201PIN 113 MDRV LIC502 PIN 26 REFOUT LIC502 PIN 42 SFG LIC502 PIN43 ...

Page 92: ...4 25 18 SPINDLE WAVEFORM2 19 FOCUS ON SIGNAL CD U LIC502 PIN11 V LIC502 PIN13 W LIC502 PIN16 SFG LIC502 PIN43 FDRV LIC301 PIN 124 FE LIC201 PIN87 TDRV LIC301 PIN 125 TE LIC201 PIN85 ...

Page 93: ...4 26 20 FOCUS ON SIGNAL CD 21 FOCUS ON SIGNAL DVD FDRV LIC301 PIN 124 FE LIC201 PIN87 TDRV LIC301 PIN 125 TE LIC201 PIN85 FDRV LIC301 PIN 124 FE LIC201 PIN87 TDRV LIC301 PIN 125 TE LIC201 PIN85 ...

Page 94: ...4 27 22 FOCUS ON SIGNAL DVD 23 TRACK OFF SIGNAL CD FDRV LIC301 PIN 124 FE LIC201 PIN87 TDRV LIC301 PIN 125 TE LIC201 PIN85 TE LIC106 PIN85 TZC LIC106 PIN74 MIRRBCA LIC106 PIN77 ...

Page 95: ...4 28 24 TRACK OFF SIGNAL DVD 25 Tilt Driver signal Disc reading TE LIC106 PIN85 TZC LIC106 PIN74 MIRRBCA LIC106 PIN77 TILTDRV LIC502 PIN47 TILT LIC502 PIN50 TILT LIC502 PIN49 ...

Page 96: ...4 29 26 RF WAVEFORM DVD 27 RF WAVEFORM CD RFP LIC201 PIN2 RFO LIC201PIN 113 RFI LIC201 PIN 95 RFP LIC201 PIN2 RFO LIC201PIN 113 RFI LIC201 PIN 95 ...

Page 97: ...4 30 28 WOBBLE DVD R RW _READING 29 WOBBLE DVD R RW _READING WRITING X1 SPEED AWOBBLE LIC201 PIN81 LPP HEAD LIC201 PIN 73 AWOBBLE LIC201 PIN81 LPP HEAD LIC201PIN 73 ...

Page 98: ...4 31 30 LD Enable DVD 31 LD Enable CD CD DVD LCN201 PIN 17 LDEN LCN PIN 38 CD DVD LCN201 PIN 17 LDEN LCN102 PIN 38 ...

Page 99: ...r Power reading _ DVD RW 33 Laser Power Erase _ DVD RW VRDC LCN201 PIN 34 VWDC LCN201 PIN 36 VWDC2 LCN201 PIN 35 OPCTRG LIC301 PIN 151 VRDC LCN201 PIN 34 VWDC LCN201 PIN 36 VWDC2 LCN201 PIN 35 OPCTRG LIC301 PIN 151 ...

Page 100: ... Laser Power Writing _ initial state 35 Laser Power Writing _Processing VRDC LCN201 PIN 34 VWDC LCN201 PIN 36 VWDC2 LCN102 PIN 35 OPCTRG LIC301 PIN 151 VRDC LCN201 PIN 34 VWDC LCN201 PIN 36 VWDC2 LCN201 PIN 35 ...

Page 101: ...4 34 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 ...

Page 102: ...4 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...

Page 103: ... 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 Recor...

Page 104: ... 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 ...

Page 105: ... 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 ...

Page 106: ...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...

Page 107: ...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 Te...

Page 108: ...ibration 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 ...

Page 109: ...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 ...

Page 110: ...entium 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 ...

Page 111: ...elmn 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 rec...

Page 112: ... 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 ...

Page 113: ...PD VWDC1 VW_FPD VW2 1 VW2 2 CD 2 4 0 08 0 53 0 22 0 02 0 01 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 ...

Page 114: ...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...

Page 115: ...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...

Page 116: ...arameters CD 1 CD R READ Reference DAC 70 100 2 CD RW READ Reference DAC 70 100 DVD 1 DVD R READ Reference DAC 42 107 2 DVD RW READ Reference DAC 42 107 3 VWDC1 35 65 4 VWDC1 Offset 0 6 5 VWDC2 20 43 6 VWDC2 Offset 0 10 ...

Page 117: ...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 ...

Page 118: ...9 152 LIC301 uPD63641 LIC201 uPC3340 LIC502 BD7954BFS Motor Driv er A 6 119 130 171 181 D 25 85 138 186 A 120 179 5V 11 30 40 45 57 89 98 111 114 REFI 38 REFO2 39 REFIN 134 VC 42 REFO1 13 FPDVC 2 4V PDVC 3 3V 1 5V 3 3V VCC FM VREF 18 VC OEIC 3 VCC OEIC VDD LDD PICK PICK UP UP LCN302 ATAPI HRST LIC303 HRST HRESET 52 SYSRST 16 RST 52 REFOUT 1 65V ...

Page 119: ...DISN RDIS WRPULSEP WRPULSEM PKPULSE1 P PKPULSE1M OFPULSEP OFPULSEM VWDC VWDC2 VRDC AADJ2 AADJ1 FADJ1 FADJ2 22 21 TEMP LD DRIVER LD DRIVER 150mA 250mA 325mA 150mA 38 ENABLE F 315MHz 260 360 10K 28 29 RLD RLDM DAC PELD 34 WLD WLDM 32 33 LIC201 LIC201 uPC3340 uPC3340 RF RF DAC 1 2K 1 0M 2700PF 1 0M 2200PF 1 2K 1000PF 680 71 LDEN 51 CD DVD 119 TEMP IN BUF LIC204 L P F 47K 1000PF MON1 FPD 10K 0 01uF L ...

Page 120: ... WE CAS RAS MCLK MCKE LIC302 E 2 PROM EPRCS SI SO SCLK RFI CONTROL LOGIC CP SCK SI SO EQCK1 EQCK2 TE TE SIG SEL TE LE PPALL TEC WRITE RF ROPC1 ROPC2 SWRF1 SWRF2 AL PC OPCTRG SHAPCRE SHAPCW WOBBLE S H MATRIX FE FE LPP AWOBBLE LPP MIRR DEFF HOLD Read RF AGC RFEQ SHSV SHWB ASY BCA FOK DETECTION RECD FOK WLDON WGATE WR RW MIRR BCA FD 0 1 4 5 6 7 FCS2 FWR D 0 7 CP LIC504 74LVC374 D F F DRV_CTRL0 1 Q 5 ...

Page 121: ...D PD PD MECHA Level Shift TRAY TRAY HU HV HW FG gen PRE LOGIC Rev Det U V W L Shift L Shift L Shift PRE LOGIC A A B B TRK F TILT U V W Ti Tr DRV SFG MDRV TDRV FDRV SDRV1 SDRV2 BD7954BFS Motor Driver uPD63641 DSP MICOM 74LVC374 D F F CTL0 CTL1 CTL0 CTL1 L L H L H ALL NOT OPER LOADING SPIN SLAD ACTU L M ...

Page 122: ...4 55 4 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 123: ...4 57 4 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 124: ...4 59 4 60 3 µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...

Page 125: ... 2 39 20 0 11 21 2 38 22 0 11 23 0 24 2 38 25 2 38 26 1 71 27 0 28 0 29 0 30 5 06 31 0 32 0 33 0 34 0 35 0 36 2 52 37 2 38 3 34 39 1 68 40 5 07 41 1 57 42 1 61 43 0 44 1 26 45 5 07 46 2 36 47 2 36 48 2 41 49 2 43 50 0 51 0 52 3 34 53 3 34 54 3 34 STATE MODE PIN NO 55 0 56 3 34 57 5 08 58 0 59 0 60 3 34 61 3 34 62 3 34 63 0 64 0 65 0 66 0 67 1 67 68 1 63 69 0 70 0 71 0 72 0 73 0 74 0 75 3 33 76 3 3...

Page 126: ...4 63 4 64 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...

Page 127: ...4 65 4 66 2 MAIN P C BOARD LOCATION GUIDE ...

Page 128: ...RD ASSEMBLY DVD RH7926CW1L NA2ALL 275 3300RCH001B PLATE DKS 5000 PRESS GND 14MM 280 3721R F427P PANEL ASSEMBLY FRONT DVD RH7926CW1L NA2ALL RH7926W 452 1SZZR 0098A SCREW DRAWING 2 D3 0 L10 0 MSWR3 FZMCY 1 3 A50 6871R 7674A PWB PCB ASSEMBLY TOTAL RH7900 TIMER DI DIG901 6302R V243A DIGITRON FV 834ND FUTABA SEG VFD DR7000 LED904 0DLAU0239AA LED AUK SA3417 TP RED P9701 561 712L CONNECTOR CIRC WAFER GIL...

Page 129: ...M 1 16 W 1608 5 00 D R927 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D C902 0CE2274C638 CAPACITOR ELECTROLYTIC 220M SRA 6 3V M FM5 TP 5 C903 0CE4763C638 CAPACITOR FIXED ELECTROLYTIC 47UF SRE SE 6 3V 20 FM5 TP 5 C904 0CE4763C638 CAPACITOR FIXED ELECTROLYTIC 47UF SRE SE 6 3V 20 FM5 TP 5 LED905 0DL325319AA LED SPR325MVWT31 TP ROHM GREEN RED SW901 556 219B SWITCH TACT THV10910G TAC...

Page 130: ...R302 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR303 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR304 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR305 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR306 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR307 0RRZVTA001F RESISTOR DRAWING 33 OHM 1 16 W 3216 5 R TP 8 LAR308 0RRZVTA001F...

Page 131: ... B 1608 R TP LC258 0CH1475D946 CAPACITOR FIXED CERAMIC TEMP C 4 7UF 10V 80 20 Y5V F 2012 LC259 0CH1332K562 CAPACITOR FIXED CERAMIC TEMP C 3300PF 50V 10 X7R X 1608 R T LC260 0CH1332K562 CAPACITOR FIXED CERAMIC TEMP C 3300PF 50V 10 X7R X 1608 R T LC261 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC262 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC2...

Page 132: ...K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC519 0CK106EDD7A CAPACITOR FIXED CERAMIC HIGH D 10UF 3216 10V 15 X5R R TP LC521 0CH1102K512 CAPACITOR FIXED CERAMIC TEMP C 1000PF 50V 10 B 5YP 1608 R T LC522 0CK106DD64A CAPACITOR FIXED CERAMIC HIGH D 10UF 2012 10V 20 R TP F Y5V LC525 0CH1102K512 CAPACITOR FIXED CERAMIC TEMP C 1000PF 50V 10 B 5YP 1608 R T LC530 0CH1104K942 CAPACITOR F...

Page 133: ...0 D LR229 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D LR230 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D LR231 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D LR232 0RH4703C622 RESISTOR METAL GLAZED CHIP 470K OHM 1 16 W 1608 5 00 D LR233 0RH4703C622 RESISTOR METAL GLAZED CHIP 470K OHM 1 16 W 1608 5 00 D LR235 0RH1002C622 RESISTOR METAL GLAZED ...

Page 134: ...222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D LR369 0RH0822C622 RESISTOR METAL GLAZED CHIP 82 OHM 1 16 W 1608 5 00 D LR370 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D LR371 0RH0822C622 RESISTOR METAL GLAZED CHIP 82 OHM 1 16 W 1608 5 00 D LR372 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D LR377 0RH4702C622 RESISTOR METAL GLAZED CHIP 47K OHM 1...

Page 135: ...GH D 22UF 3216 10V 80 20 F Y5V LC348 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC349 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC350 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC351 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 LC352 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 ...

Page 136: ... LR341 0RH4702C622 RESISTOR METAL GLAZED CHIP 47K OHM 1 16 W 1608 5 00 D LR350 0RH4702C622 RESISTOR METAL GLAZED CHIP 47K OHM 1 16 W 1608 5 00 D LR353 0RH1004C622 RESISTOR METAL GLAZED CHIP 1M OHM 1 16 W 1608 5 00 D LR364 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D LR373 0RH4702C622 RESISTOR METAL GLAZED CHIP 47K OHM 1 16 W 1608 5 00 D LR374 0RH4702C622 RESISTOR METAL GLAZED ...

Page 137: ...TP C109 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C110 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C111 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C112 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C113 0CH7226D621 CAPACITOR FIXED TANTALUM 22UF 10V 20 3528 TP C114 0CH1104K512 CAPACITOR ...

Page 138: ...B 5YP 1608 R TP C222 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C225 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C228 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C229 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C232 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP...

Page 139: ...XED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C522 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C523 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C524 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C526 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C527 0CH1104K512 CAPACITOR FIXED CERAMIC TEM...

Page 140: ...TAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R151 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R152 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R156 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R157 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R159 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R1...

Page 141: ...R CIRC EMC HB 1M2012 102JT CERATECH TP R619 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R620 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R631 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R633 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R664 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D AR103 0R...

Page 142: ...64 0CH8227C621 CAPACITOR FIXED ELECTROLYTIC 220UF 6 3V 20 R TP C205 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C208 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C209 0CE827ZX6DC CAPACITOR FIXED ELECTROLYTIC 820UF FX 2 5V 20 SMD R TP SMD C210 0CE827ZX6DC CAPACITOR FIXED ELECTROLYTIC 820UF FX 2 5V 20 SMD R TP SMD C215 0CH1104K512 CAPACITOR FIXE...

Page 143: ... R TP C605 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C606 0CH1104K512 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 10 B 5YP 1608 R TP C607 0CH4220K412 CAPA CHIP CERAMIC M L T C F S 22P 50V J COG 1 6X0 8 R TP CN101 6630R3S006K CONNECTOR CIRC DRAWING GT200 13P SS A P500 LG CABLE 1 CN401 6630R SY08W CONNECTOR CIRC DRAWING HDMI HMR48 AK5210 FRANGE TYPE CN502 6630R3S006M CONNE...

Page 144: ... PF TDK R TP L515 0LC1700003A INDUCTOR CHIP NLV32T 3R3J PF TDK R TP L516 0LC1700003A INDUCTOR CHIP NLV32T 3R3J PF TDK R TP L517 0LC1700003B INDUCTOR CHIP NLV32T R22J PF TDK R TP L518 0LC1700003B INDUCTOR CHIP NLV32T R22J PF TDK R TP L519 0LC1700003B INDUCTOR CHIP NLV32T R22J PF TDK R TP LED01 0DL210008GA LED SML 210MT R TP ROHM GREEN 16 R101 0RH0562C622 RESISTOR METAL GLAZED CHIP 56 OHM 1 16 W 160...

Page 145: ...AZED CHIP 10K OHM 1 16 W 1608 5 00 D R179 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R180 0RH1201C622 RESISTOR METAL GLAZED CHIP 1 2K OHM 1 16 W 1608 5 00 D R181 0RH1201C622 RESISTOR METAL GLAZED CHIP 1 2K OHM 1 16 W 1608 5 00 D R182 0RH3300C622 RESISTOR METAL GLAZED CHIP 330 OHM 1 16 W 1608 5 00 D R204 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R205 0RH...

Page 146: ...IP 1K OHM 1 16 W 1608 5 00 D R416 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R417 0RH1004C622 RESISTOR METAL GLAZED CHIP 1M OHM 1 16 W 1608 5 00 D R418 0RJ6201C677 RESISTOR METAL GLAZED CHIP 6 2K OHM 1 16 W 5 1608 R TP R419 0RH0562C622 RESISTOR METAL GLAZED CHIP 56 OHM 1 16 W 1608 5 00 D R420 0RH0562C622 RESISTOR METAL GLAZED CHIP 56 OHM 1 16 W 1608 5 00 D R421 0RH0562C622 RE...

Page 147: ... METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R639 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R640 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R641 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R642 0RH0222C622 RESISTOR METAL GLAZED CHIP 22 OHM 1 16 W 1608 5 00 D R643 0RH6800C622 RESISTOR METAL GLAZED CHIP 680 OHM 1 16 W 1608 5 00 D R644...

Page 148: ...5 6BSB 26MM TP PYUNG CHANG ZD807 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD808 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD809 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD810 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD811 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD812 0DZ562609BB DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG ZD813 0DZ5626...

Page 149: ... TP 5 C119 0CN223AK948 CAPACITOR TUBULAR HIGH DIELEC 0 022UF 50V Z F TA26 S C120 0CE1074F638 CAPACITOR FIXED ELECTROLYTIC 100U SRA 16V M FM5 TP 5 C121 0CQ1042K409 CAPACITOR FIXED FILM 0 1UF S 50V 5 PE TP5 C122 0CE108BF630 CAPACITOR FIXED ELECTROLYTIC 1000UF KME 16V M FM5 BULK C123 0CE228BF630 CAPACITOR FIXED ELECTROLYTIC 2200UF KME TYPE 16V 20 FM5 BU C124 0CE3376D638 CAPACITOR ELECTROLYTIC 330UF S...

Page 150: ...TV 817B PHOTO COUPLER LITEON IC103 0IKE431000A IC KEC KIA431 3 PIN TP IC104 0IPMGFF001A IC POWER MANAGEMENT ICE2B265 INFINEON 8 DIP ST SMP IC105 657 063A SENSOR LTV 817B PHOTO COUPLER LITEON IC106 0IKE431000A IC KEC KIA431 3 PIN TP IC107 657 063A SENSOR LTV 817B PHOTO COUPLER LITEON IC151 0IPMGFA006C IC POWER MANAGEMENT KA378R05 TSTU FAIRCHILD 4PIN T IC151 0IPMGKE053B IC POWER MANAGEMENT KIA378R05...

Page 151: ...A26 R131 0RD1800F608 RESISTOR FIXED CARBON FILM 180 OHM 1 6 W 5 TA26 R132 0RD2201F608 RESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 R133 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R134 0RD1802F608 RESISTOR FIXED CARBON FILM 18K OHM 1 6 W 5 TA26 R135 0RD3300F608 RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R136 0RD3300F608 RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R140 0...

Page 152: ... 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K BD807 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K BD808 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K BD809 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K BD810 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K C701 0CE4764F638 CAPACITOR FIXED ELECTROLYTIC 47UF SRA SS 16V 20 FM5 TP 5 C705 0CE4764F638...

Page 153: ...7 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C822 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C826 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C835 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C846 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C849 0CH1104K942 CAPACITOR F...

Page 154: ...510XNRE MITSUMI 6 SOT 26A R IC705 0ISS241610B IC SAMSUNG ELECTRONICS S524A60X51 SCT0 8P SOP TP EEPR IC802 0IPRPCI013A IC PERIPHERALS CS5340 CZZR CIRRUS LOGIC 16PIN IC805 0IPRP00015A IC PERIPHERALS CS4351 CZZR CIRRUS LOGIC 20PIN IC807 0IPRPRH017A IC PERIPHERALS BH7868FS ROHM 32PIN SSOP R TP IC809 0IPRPJR011A IC PERIPHERALS NJM2521M JRC 8PIN SIP R TP DR IC810 0IPRPJR011A IC PERIPHERALS NJM2521M JRC ...

Page 155: ...8 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R739 0RH1000C622 RESISTOR METAL GLAZED CHIP 100 OHM 1 16 W 1608 5 00 D R740 0RH4702C622 RESISTOR METAL GLAZED CHIP 47K OHM 1 16 W 1608 5 00 D R741 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R742 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R743 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K ...

Page 156: ...5 00 D R847 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R848 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R850 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R851 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R853 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R854 0RH5601C622 RESISTOR METAL GLAZED C...

Page 157: ...STOR METAL GLAZED CHIP 220K OHM 1 16 W 1608 5 00 D R959 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R962 0RH1000D622 RESISTOR METAL GLAZED CHIP 100 OHM 1 10 W 2012 5 00 D R963 0RH1000D622 RESISTOR METAL GLAZED CHIP 100 OHM 1 10 W 2012 5 00 D R964 0RH1000D622 RESISTOR METAL GLAZED CHIP 100 OHM 1 10 W 2012 5 00 D R965 0RH1004C622 RESISTOR METAL GLAZED CHIP 1M OHM 1 16 W 1608 5 00...

Page 158: ... 5 C898 0CE4764F638 CAPACITOR FIXED ELECTROLYTIC 47UF SRA SS 16V 20 FM5 TP 5 C8A3 0CE2264F638 CAPACITOR FIXED ELECTROLYTIC 22UF SRA SS 16V 20 FM5 TP 5 C8A4 0CE2264F638 CAPACITOR FIXED ELECTROLYTIC 22UF SRA SS 16V 20 FM5 TP 5 C901 0CE4764F638 CAPACITOR FIXED ELECTROLYTIC 47UF SRA SS 16V 20 FM5 TP 5 C903 0CE2264F638 CAPACITOR FIXED ELECTROLYTIC 22UF SRA SS 16V 20 FM5 TP 5 C906 0CE1064F638 CAPACITOR ...

Page 159: ...R CIRC BOARD TO BOAR 2254 30P T JE611 A2T 30T POWER TU801 6700PFPL08A TUNER TADS S101D LGIT PAL FS SILM P X701 6202R DA01B RESONATOR CRYSTAL CFS 308 CITIZEN 32 768KHZ CABLE ASSEMBLY 810 6851R 0088C CABLE ASSEMBLY PAL RF 1 2M 6850R CAA2H 1W YL 806 6850R CAA2H CABLE COAXIAL RF PAL DOUBLE SHIELD DT_HY_HIT 811 6850R PAA2F CABLE COAXIAL 1 WAY COAXIAL DT_HY_HIT_SEIL 812 6850R PBA2H CABLE COAXIAL 2 WAY C...

Search results

Summary of Contents for 7823W

Reviews:

Related manuals for 7823W

Brands by name

Popular brands

LG 7823W, Service Manual

Search results

Summary of Contents for 7823W

Reviews:

Related manuals for 7823W

Brands by name

Popular brands