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DAEWOO ELECTRONICS DPC-7200PD, Руководство по обслуживанию

DAEWOO ELECTRONICS DPC-7200PD - это портативный DVD-плеер, который обеспечивает высокое качество звука и изображения. Для того чтобы ремонтировать или настроить этот прибор, вы можете скачать бесплатно Service Manual на нашем сайте. Узнайте больше об этом устройстве на manualshive.com.

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-14-

DVD Main PCB 

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Содержание DPC-7200PD

Страница 1: ...REV 0 7 0 Inch LCD Color Monitor DVD Player MODEL DPC 7200PD 2005 MAY ...

Страница 2: ... 2 CONTENTS Specification 3 Block Diagram 5 General Alignment Instruction 7 Troubleshooting 8 Printed Circuit Board 10 IC Block Diagram and Lead Identification 16 Explode View 31 Schematic Diagram 32 ...

Страница 3: ...z 0dB mW 600 100 600 L 1KHz 0dB mW 600 100 600 SPK MAX Output AV IN R 1KHz 0dB mW 600 100 600 REF THD 1KHz 0dB 5 3 SPK S N Infinity zere dB L R dB 35 35 Headphone S N Infinity zere dB L R dB 60 60 Luminance MAX White Signal LUX 300 50 300 Luminance 8STEP White Signal LUX 250 50 250 Luminance MIN White Signal LUX 100 50 100 20Hz dB 3 0 125Hz dB 3 0 10KHz dB 3 0 L 20KHz dB 3 0 20Hz dB 3 0 125Hz dB 3...

Страница 4: ...e DVD 1KHz 0dB L R dB 65 65 Dynamic range DVD 1KHz 60dB dB 85 85 R L Cross sound DVD 1KHz 0dB L R dB 45 45 1KHz Channel unbalance DVD 1KHz 0dB L R dB 3 0 Power Consumption Standby W 0 0 DC 9V Rating W 12 12 ECC Entircity A BEX TDV 552 um 100 100 Scratch A BEX TDV 541 mm 1 6 1 6 Black dot A BEX TDV 545 mm ф0 8 0 8 Finger Print A BEX TDV 545 um ф65 65 Vertical deviation A BEX TDV 533 mm 0 6 0 6 Note...

Страница 5: ... 5 BLOCK DIAGRAM LCD O Z9936 Y C HSYNC SW R G B IR3Y31 8D02 DC R T9266 12V 7V 10V 7 LG PANEL H V TRAN DC HIGH VOLTAGE OSC ...

Страница 6: ...T DECODER MICRO CODE KEY BOARD SDAM 4Mx16BIT REMOTE SENSOR SERVO DSP MPEG DECODER RISC CONCROL 8032MCU MT1389C 16BIT BUS L R OUT L R AUDIO DATA BUS VIDEO OUT 27 000MHZ VIDEO DAC KEY SIGAL SPINDLE VELOCITY ERROR FE TE DRIVER FOCUS TRACK SLED DRIVER MOTOR VELOCITY DC DC CONVERT 9V INPUT 5V 3 3V IC DATA IC CLK R F SIGNAL GROUP ...

Страница 7: ...t test point 15720Hz 3 Adjust VRT4 to get horizontal phase shift 4 Adjust VRT1 to get good performance 5 Adjust S201 S202 to get good Tint The main PCB of DVD Modification 1 Adjust the brightness to the brightest by VR adjust video pattern s color to white test the screen Brightness is 200 102 LUX With luminometer You can adjust R69 to get this standard ...

Страница 8: ... IR3Y31 3 No Picture Picture no Good Defective Q7 Q8 Replace Q7 Q8 4 Color is no good Defective X201 Replace X201 5 SYNC no good Defective IC 8D02 Replace IC 8D02 6 TINT no good Defective S201 S202 Replace S201 S202 7 NO Picture Defective IC RT9266 Replace RT9266 8 Picture no good Defective CON1 Replace CON1 9 Brightness no good Defective IC M5237 Q10 Replace IC M5237 Q10 ...

Страница 9: ...ve U10 24C02N Defective U5 Defective IC MTK1389C Replace U10 24C02N Replace U5 Replace IC MTK1389C 3 No Sound Defective U14 C4558 Defective U1 14053 Defective U2 Replace U14 C4558 Replace U1 14053 Replace U2 4 Sound no good Defective U14 Replace U14 5 Can not read DISC Defective U18 PICK up Laser is defective Replace U18 Replace pick up 6 No key function Defective IC MTK1389C Replace IC MTK1389C 7...

Страница 10: ... 10 PRINTED CIRCUIT BOARD Monitor Main PCB Top View ...

Страница 11: ... 11 Monitor Main PCB Bottom View ...

Страница 12: ... 12 Battery Charger Circuit PCB Top View ...

Страница 13: ... 13 Battery Charger Circuit PCB Bottom View ...

Страница 14: ... 14 DVD Main PCB Top View ...

Страница 15: ... 15 DVD Main PCB Bottom View ...

Страница 16: ...H PULSE G 46 AGC FILTER 11 ACC FILTER 23 B DC DET 35 S H PULSE B 47 AGC OUT 12 R Y B Y PHASE 24 B OUT 36 SYNC IN 48 PICTURE AGCDET ACC APC VCO TINT PAL SW F F HPF KILLER 2 1 6 45 47 46 48 38 37 36 19 PHASE SHIFT IDENT AGC AMP CLAMP SW PICTURE SYNCSEP BGP GEN VREF INV INV INV 20 21 22 23 24 BRIGHT BRIGHT BRIGHT 29 32 28 27 10 31 30 42 9 34 35 33 DEMOD MATRIX INT EXT SW 26 r r r 3 44 5 11 15 14 16 1...

Страница 17: ...olution mode setting pin 3 Note 2 5 RS2 I Resolution mode setting pin 2 Note 2 6 RS1 I Resolution mode setting pin 1 Note 2 7 DM4 I Display mode setting pin 4 default 1 8 DM3 I Display mode setting pin 3 default 1 9 DM2 I Display mode setting pin 2 default 1 10 DM1 I Display mode setting pin 1 default 1 11 SDC I Color arrangement mode selection pin Stripe 1 Delta 0 default 1 12 DLT I Delta mode se...

Страница 18: ...rizontal start pulse 2 for source driver RLC 0 OUT 28 SH1 O Horizontal start pulse 1 for source driver RLC 0 OUT 29 CP3 O Sampling clock 3 to source driver 30 CP2 O Sampling clock 2 to source driver 31 CP1 O Sampling clock 1 to source driver 32 GND Ground 33 VCC Power supply Note 1 34 Q1H O Source driver control signal 35 RST O Vertical reset signal for source driver 36 CPV O Scan clock to gate dr...

Страница 19: ...5 53 G24 I Gate 240 1 or 244 0 select pin default 1 54 3OE I 3 OEV 1 or 1 OEV 0 select pin default 0 55 NC5 default 1 56 VSY I O Vertical sync input Negative output pin Pull high 57 HSY I O Horizontal sync input Negative output pin Pull high 58 BLK O Output for control RGB signal 59 ESY O Output external sync For control chroma decoder 60 COM O Output VCOM polarity signal 61 FRP O Video polarity a...

Страница 20: ...PROTECTION CIRCUIT THERMAL PROTECTION CIRCUIT Oven currfnt CIRCUIT START CIRCUIT Protrction ASO CIRCUIT 1 2 3 ADJUGT V IN GROUND INPUT V1 OUTPUT V0 R2 R1 IC RT9266 PIN PIN NAME PIN PIN NAME 1 CE 4 LX 2 EXT 5 VDD 3 GND 6 FB PIN PIN NAME 1 V IN 2 GROUND 3 ADJUST ...

Страница 21: ...NDR_D PDR_C 15 13 12 11 10 9 OPLAMP EA ENA Irys COMP COMP Irys OVP POFF 2V 1 5V 2 50V 2 75V OVP HIGH ACTIVE ENA SST VDD REF ADJ FB CMP CTIMR NDR_B PDR_A CT RT GND PDR_C NDR_D Soft Start 1 6uA 1 3uA PIN PIN NAME PIN PIN NAME 1 OVP 9 NDR_D 2 ENA ACTIVE HIGH 10 PDR_C 3 SST 11 GND 4 VDD 12 RT 5 REF 13 CT 6 ADJ 14 PDR_A 7 FB 15 NDR_B 8 CMP 16 CTIMR ...

Страница 22: ... 22 IC BLOCK DIAGRAM DESCRIPTION DVD IC 4558 PIN NAME PIN NAME 1 AOUT 5 BIN 2 AIN 6 BIN 3 AIN 7 BOUT 4 V 8 V ...

Страница 23: ...COMPARATOR DEVICE H V PUMP TIMING ADDR COUNTER DATA WORD Y DEC DATA RECOVERY SERIAL MUX EEPROM X DEC LOGIC D out ACK VCC GND WP SCL SDA A2 A1 A0 LOAD COMP LOAD INC R W D D IN OUT EN 1 2 3 4 8 6 5 7 AT24C 02 V C C W P S C L S D A A0 A1 A 2 G N D 1 A0 5 SDA 2 A1 6 SCL 3 A2 7 WP 4 GND 8 VCC ...

Страница 24: ... 24 IC BLOCK DIAGRAM DESCRIPTION U9 MBM29F800TA LOGIC SYMBOL ...

Страница 25: ...A0 Address Inputs DQ15 to DQ0 Data Inputs Outputs CE Chip Enable OE Output Enable WE Write Enable RY BY Ready Busy Output RESET Hardware Reset Pin Temporary Sector Unprotection BYTE Selects 8 bit or 16 bit mode N C No Internal Connection VSS Device Ground VCC Device Power Supply ...

Страница 26: ... 26 IC BLOCK DIAGRAM DESCRIPTION IC K4S641632 ...

Страница 27: ... 27 IC BLOCK DIAGRAM DESCRIPTION IC K4S641632 ...

Страница 28: ...NPUT D6 D7 Q17 R6 Q18 Q19 Q24 D11 D10 Q20 C2 R5 Q16 Q15 Q14 D8 Q21 Q23 D5 Q22 OUT T1 1 16 14 1G Vs INPUT 1 1 TDA2822 2 3 4 8 7 6 5 9 10 11 12 13 14 15 16 N C INPUT 1 GND GND OUTPUT 1 N C V S N C N C OUTPUT 2 GND GND INPUT 2 N C INPUT 2 1 INPUT 1 9 N C 2 N C 10 N C 3 INPUT 1 11 OUTPUT 2 4 GND 12 GND 5 GND 13 GND 6 OUTPUT 1 14 INPUT 2 7 N C 15 N C 8 V5 16 INPUT 2 ...

Страница 29: ...SL VNFFC Vcc PV PGND VOSL VOSL VOFC VOFC VOTK VOTK VOLD VOLD PGND VNFTK PV BIAS GND V LD CTKerr2 CTKerr1 V TK STBY SL IN SL VIN IN IN CC2 10K 20K 7 5K 7 5K 7 5K 10K 15K Pre GND PGND PV CC2 25K 10K PGND Vcc CC1 CC1 PV 7 5K 20K 10K 4 3 2 1 25 26 27 28 10 7 8 9 5 6 BA5954FM 21 22 24 23 20 19 13 12 11 14 18 17 16 15 STBY BIAS CTKerr1 CTKerr2 GND PV VNFTK PGND VOLD VOLD VOTK VOTK VINFC CFCerr1 CFCerr2 ...

Страница 30: ...PGND Ground for Sled Driver block 11 VOSL Sled driver output 12 VOSL Sled driver output 13 VOFC Focus driver output 14 VOFC Focus driver output 15 VOTK Tracking driver output 16 VOTK Tracking driver output 17 VOLD Loading driver output 18 VOLD Loading driver output 19 PGND Ground for Actuator driver block 20 VNFTK Tracking driver feedback pin 21 PV CC2 Power VCC for Actuator driver block 22 GND Gr...

Страница 31: ... 31 EXPLODED VIEW ...

Страница 32: ... 22K 2 1 6 45 47 46 48 38 37 36 19 20 21 22 3 44 5 11 15 14 16 13 4 18 17 43 25 8 12 7 41 40 39 33 35 34 9 42 30 31 10 27 28 32 29 26 24 23 IC201 IR3Y31 R238 330K RT74 4K7 QT4 DTA144 R83 1K S202 50KB S201 50KB R225 56K C205 0 047uF C221 1uF 3 2 1 4 5 6 QT2 IMZ1 HSY FRPT CSY VDD FRPV VB VR VG VGH VGL COM BLK DM1 GND EARTH R202 10M 1 2 3 4 5 6 7 8 9V 12V 9V 12V GND Y C GND WIDE NOR BR CON1 C234 1uF ...

Страница 33: ...00P 1 2 RT47 39 VCC GND 1 2 RT1 56 0 1 2 RT28 2K 1 2 RT29 2K 1 2 RT30 2K 1 2 RT31 2K 1 2 RT27 39 1 2 CT26 10 00P VRT4 10 K C KC 1 2 C T45 56P 1 2 C T34 OPEN 1 2 C T35 OPEN 1 2 CT52 56 P 1 2 CT51 56 P 1 2 CT53 68 0P 1 2 CT46 OPEN 1 2 CT47 OPEN 1 2 RT50 10 K 1 2 RT52 1M 1 2 RT54 51 K 1 2 RT53 20 K 1 2 CT39 0 1u F 1 2 CT40 68 0P 1 2 R T55 51K 1 2 3 5 4 UT4 NJM2107F 1 2 RT57 3 9K 1 2 RT56 68 K 1 2 RT5...

Страница 34: ...3 DA204 RH7 9 22 RH8 5 10 K RH8 6 10 0K C9P 0 1u F ZH1 5 6V RH6 1 10 K R11P 10 K D3P 5 6V CH1 10 uF 16 V CH9 3 0 04 7uF CH6 7 27 0P CH5 1 1u F CH4 9 0 22 uF CH1 06 1u F CH1 04 0 1u F CH6 5 68 K R2P 1K DH8 6 2V DH7 9 1V Hz K9B RH6 4 30 0K CH1 05 0 1u F CH1 11 47 0P CH1 02 15 00PuF CH9 8 0 02 2uF RH5 3 47 K RH5 2 10 0K QH9 ST390 6T C17P 0 1u F CH1 10 0 1u F RH8 9 1M RH9 4 39 K CH9 7 0 04 7uF CH1 47 ...

Страница 35: ...45 R16 15 0K R20 10 M C3 0 1u F R17 10 0K R15 22 0 Q2 SI23 07 R5 10 K R3 2K F2 FUSE 1 2 5A 1 2 3 4 5 6 7 8 9 CON1 PIN9 SW1 OPEN CLOSE SW2 LC D ON OFF R2 2K R4 10 K Q1 SI23 07 C11 10 uF D3 SK34 C7 0 1u F R8 10 K R 33 0 1 R 32 0 1 R 31 0 1 R21 0 R9 2K2 R10 3K3 R11 3K3 C10 0 47 uF R27 12 K R22 RES1 R6 10 K R7 10 K C12 4 7u F R24 30 K R23 RES1 R18 10 0K C9 0 47 uF R19 10 M R25 47 0 NTC DHTAB 50 3 1 2 ...

Страница 36: ...124 1k R87 1k C132 0 022uF R132 OPEN C40 220uF 10V D19 1N5819 SMD 1 2 C55 0 1uF U19 1117 3 3v SOT223 1 2 3 GND OUT IN C63 10uF 10V R137 20k C151 47uF 16V R7 750 L38 FB DIP R133 10K D6 SS14 SMD 1 2 R10 390 C130 220uF 10V R204 10k MD1 1N4001 DIP OPEN 1 2 U9 1 2 3 4 5 6 7 8 BS VIN VSW GND FB COMP EN SYNC R189 10k R134 10k C1 100uF 16V CB36 0 1uF R188 30k Q9 AO3407 L1 FB DIP U7 1117 ADJ SOT223 1 2 3 G...

Страница 37: ... L15 FB CB24 0 1uF HEADER 24 SMD0 5 TOP HD60 24SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C84 47uF 6v SMD TP39 TP C110 20pF Q26 8550 SMD 1 3 2 R18 33K C136 47uF 16V C18 NC L17 FB R164 1 TP36 R160 4 7 R163 1 R88 R CB57 0 1uF C85 10uF 10V 0805 TP22 C34 0 015uF CB9 0 1uF U12 MT1389C 2 250 3 4 5 1 252 253 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 256 28 27 30 29 32 31 4...

Страница 38: ...2 33 C83 0 1uF R138 10k R24 680 L11 FB C78 10uF 10V 0805 CB10 0 1uF CB46 0 1uF CB40 0 1uF L9 NO_USE R31 33 C42 0 1uF R25 680 CB49 0 1uF U5 K4S641632H TSOP II 54 SMD 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 DQML WE CAS RAS CS A11 A10 AP A...

Страница 39: ...DAC_MR 6 DAC_ML 6 ACLK 3 ALRCK 3 ABCK 3 5V 1 2 3 4 6 7 ON OFF_DCIN ON OFF_DC 5V DV33 R36 1M L6 FB 0805 Q2 3904 C15 10uF 10V 0805 CB21 0 1uF C48 100uF 16V D12 4 3V C6 47uF 16V CB38 0 1uF U13 WM8714 1 2 3 4 5 6 7 8 9 10 11 12 13 14 LRCIN DIN BCKIN NC1 CAP VOUTR GND VDD VOUTL MUTE NC2 D EMP FMT SCKI R38 43K R16 0 R41 470 0805 D4 1N4148 1 2 D5 1N4148 1 2 R15 0 L2 OPEN R37 10k Q1 3906 C49 10uF 16V RN2 ...

Страница 40: ...ITOR_Y VIDEO I O_L I O_R AVIN OUT_SW AVIN OUT_SW I O_R I O_L ON_DCIN NC IR CVBS_IN OUT VIDEO_MUTE IN OUT_DET AVIN OUT_SW I O_L I O_L I O_R I O_R MONITOR_Y VIDEO 7 HEAD_L 7 ASPDIF 3 SY 7 DAC_ML 5 DAC_MR 5 HEAD_R 7 Y 1 3 3 SC 7 AV IN OUT_SW 1 7 YC_CON 7 AVCM 7 5V 1 2 3 4 5 7 VIDEO_ 5V 7 AIN OUT_R 7 AIN OUT_L 7 ON DCIN 1 7 SC A 7 LCD_ON OFF 1 ADCIN 7 ON OFF_ 9V 1 VIDEO_ 5V VIDEO_ 5V DCIN ON OFF_ 9V O...

Страница 41: ...R_C MONITOR_CONTROL ON OFF_ 9V GND W1 W2 GND GND MONITOR_Y VIDEO KEYSCAN_X1 KEYSCAN_X2 KEYSCAN_X3 KEYSCAN_X4 KEYSCAN_Y1 KEYSCAN_Y2 KEYSCAN_Y3 KEYSCAN_X1 3 HEAD_L 6 KEYSCAN_Y3 3 AVCM 6 ON DCIN 1 6 SC 6 MONITOR_Y VIDEO 6 5V 1 2 3 4 5 6 YC_CON 6 KEYSCAN_X4 3 KEYSCAN_X2 3 VIDEO_ 5V 6 SY 6 HEAD_R 6 AIN OUT_L 6 KEYSCAN_X3 3 AIN OUT_R 6 MUTE_ON 5 KEYSCAN_Y1 3 KEYSCAN_Y2 3 SC A 6 ADCIN 6 ON OFF_ 9V 6 AV I...

Страница 42: ...MEMO ...

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