Daewoo 2708ED Скачать руководство пользователя

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(7 Inch) LCD Color Monitor & DVD Player

MODEL : DPC-7800NT

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2708ED

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CONTENTS

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Specification

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2~3

Block Diagram

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4~5

General Alignment Instruction

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Troubleshooting

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7~8

Printed Circuit Board

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9~13

IC Block Diagram & Description

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14~31

Explode View

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Schematic Diagram

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33~42

Содержание 2708ED

Страница 1: ...7 Inch LCD Color Monitor DVD Player DEC 2006 DPC 7800NT 2708ED OSDPC78001...

Страница 2: ...Player MODEL DPC 7800NT 2708ED CONTENTS Specification 2 3 Block Diagram 4 5 General Alignment Instruction 6 Troubleshooting 7 8 Printed Circuit Board 9 13 IC Block Diagram Description 14 31 Explode Vi...

Страница 3: ...00 600 SPK MAX Output AV IN R 1kHz 0dB mW 600 100 600 LINE OUT Distortion 1kHz 0dB 8ohm 0 3 0 3 REF THD 1kHz 0dB 3 1 Headphone S N Infinity zere dB L R dB 50 50 Luminance MAX White Signal LUX 300 50 3...

Страница 4: ...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 1kHz 0dB L R dB 3 0 Power Consumption Standby W 1 1 DC 9V Rating W 12 12 EC...

Страница 5: ...4 BLOCK DIAGRAM LCD 15V 13V G B 9V Y 9V SYNC FRP 5V R 7 5V DC TO AC...

Страница 6: ...5 DVD 5 5 4 4 3 3 2 2 1 1 D D C C B B A A US TRACK SLED DRIVER FE TE DRIVER SPINDLE...

Страница 7: ...Y 5418 2 Adjust VR1 to get horizontal phase shift and test point 28 9MHz 3 Adjust VRB4 to get good performance The main PCB of DVD Modification 1 Adjust the brightness to the brightest by VR adjust vi...

Страница 8: ...cture no Good Defective IC1 CSC3414A Replace IC1 CSC3414A 4 Luminesce no good Defective IC201 MPS1029 Replace IC201 MPS1029 5 Color is no good Defective X201 Replace X201 6 SYNC no good Defective IC10...

Страница 9: ...D E E 3 No Sound Defective U8 4558D Defective U6 TDA2822 Defective U26 TEA2025B Replace U8 4558D Replace U6 TDA2822 Replace U26 TEA2025B 4 Sound no good Defective U8 4558D Defective U6 TDA2822 Defecti...

Страница 10: ...CO IN APC FH ACC FIL CIN Y C COMP FADJ VIDEO IN BLK FRP S H PULSEG S H PULSEG S H PULSEG 33 35 34 9 42 30 31 27 28 32 26 29 23 24 21 22 19 20 36 37 38 48 46 47 45 6 1 2 3 41 5 15 14 16 13 4 17 18 43 2...

Страница 11: ...31 32 33 34 35 36 SYNC IN S H PULSE B S H PULSE G S H PULSE R BRIGHT GAMMA2 GAMMA1 FRP SUB BRIGHT B SUB BRIGHT R BLK Vcc2 1 TRAP 13 TINT 25 VCC 2 37 SYNC OUT 2 H FILTER OUT 14 VCO IN 26 BLK 38 SYNC SE...

Страница 12: ...16 IC BLOCK DIAGRAM DESCRIPTION Q10 SS9969...

Страница 13: ...17 IC BLOCK DIAGRAM DESCRIPTION IC1 CSC3414A Pin Name Pin Name 1 A OUTPUT 5 B INPUT 2 A INPUT 6 B INPUT 3 A INPUT 7 B OUTPUT 4 GND 8 V...

Страница 14: ...BLOCK DIAGRAM DESCRIPTION ICH1 MP1029EM Pin Name Pin Name Pin Name Pin Name 1 AB 6 DR 11 BSTR 16 COMP 2 IL 7 IN 12 PGND 17 FT 3 BOS 8 OUTL 13 OUTR 18 OL 4 DB 9 PGND 14 IN 19 FB 5 EN 10 BSTL 15 REF 20...

Страница 15: ...DD OQ2H OSTH2 OSTH1 OCPH3 OCPH2 OCPH1 OCPV OSTV1 OSTV2 OOE1 OOE2 OOE3 VSS 39 38 37 36 42 41 40 OSRST OPDA OOSCO IOSCI HVDD VSS 46 45 44 43 48 47 57 56 55 54 53 52 51 50 49 CSC 1004D PVI 1004 Pin No Pi...

Страница 16: ...51 pcph3 O 6mA 20 ivpos1 I pull_down 52 osth1 O 3_state 3mA 21 ivpos2 I pull_down 53 osth2 O 3_state 3mA 22 VSS 54 oq2h O 3mA 23 ihpos1 I pull_up 55 LVDD 3 3V 24 ihpos2 I pull_up 56 ooeh O 3mA 25 iare...

Страница 17: ...21 IC BLOCK DIAGRAM DESCRIPTION ICP1 EL7630 Pin Name 1 LX 2 GND 3 FB 4 ENAB 5 VIN...

Страница 18: ...4 GND 8 VCC STOP START LOGIC CONTROL LOGIC SERIAL ADDRESS 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...

Страница 19: ...23 IC BLOCK DIAGRAM DESCRIPTION DVD U8 4558D PIN NAME PIN NAME 1 AOUT 5 BIN 2 AIN 6 BIN 3 AIN 7 BOUT 4 V 8 V...

Страница 20: ...24 IC BLOCK DIAGRAM DESCRIPTION DVD T2 M12L64164A...

Страница 21: ...25 IC BLOCK DIAGRAM DESCRIPTION T2 M12L64164A...

Страница 22: ...Q19 Q24 D11 D10 Q20 C2 R5 Q16 Q15 Q14 D8 Q21 Q23 D5 Q22 OUT T1 1 16 14 1G Vs IN P U T 1 1 TDA2822 2 3 4 8 7 6 5 9 10 11 12 13 14 15 16 N C IN P U T 1 G N D G N D O U TPU T 1 N C V S N C N C O U TPU T...

Страница 23: ...K 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 PVCC2 25K 10K PGND Vcc CC1 CC1 PV 7 5K 20K 10K 4 3 2 1 25 26 27 28...

Страница 24: ...28 IC BLOCK DIAGRAM DESCRIPTION T4 S29AL008D...

Страница 25: ...29 IC BLOCK DIAGRAM DESCRIPTION T4 S29AL008D...

Страница 26: ...30 IC BLOCK DIAGRAM DESCRIPTION U1 S8521...

Страница 27: ...START CIRCUIT DECOUPLING PROTECT THERMAL 1 1 2 2 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 TEA2025B 50 10K 5K 50 10K 1 BRIDGE 9 GND sub 2 OUT 2 10 IN 1 3 BOOT 2 11 FEEDBACK 4 GND 12 GND 5 GND 13 GND 6 F...

Страница 28: ...32 EXPLODED VIEW...

Страница 29: ...18K R243 OPEN R241 18K C219 104 C220 104 C221 104 C222 104 C223 104 C224 104 C225 104 C226 104 C227 104 C230 104 C229 104 R201 220 R202 OPEN R203 10M R204 100R R205 1M C205 104 C204 473 C203 680P C202...

Страница 30: ...47K RH5 4 7K RH4 47K RH6 330K RH7 100K RH8 1K RH10 0 RH9 0 RH12 N A RH13 270ohm CH4 105 X5R 16V CH5 104 X5R 10V CH4 1uF HV RTN CN2 VIN GND CN1 1 2 2 4 7 6 T1 1 REF REF IL ABRT IL BOS DBRT EN DRV BATT...

Страница 31: ...0 33K R23 0R R31 47K IC11 S 8241ABJ 1 5 4 2 3 VM CO DO VDD VSS R16 12K C7 4 7UF U3 1 R20 3K3 R19 10M R138 470K IC3A LM358 3 2 1 8 4 R2 OPEN LED C85 0 1UF R135 1K C2 10UF 1 2 R25 10K U1 1 Q6 SI2313 1 2...

Страница 32: ...36 DVD KEY 1 1 2 3 4 A B C D 4 3 2 1 D C B A R1 10K R2 10K R3 10K 1 2 SW1 UP 1 2 SW2 MEN U5 1 2 SW3 LEFT 1 2 SW4 OK 1 2 SW5 ALDWN 1 2 SW6 RIGHT 1 2 3 4 5 6 CON1 pin6...

Страница 33: ...37 DVD KEY 2 1 2 3 4 A B C D 4 3 2 1 D C B A 1 2 3 4 5 CON1 PIN5 1 2 SW1 SCREEN MODE 1 2 SW2 PAUSE 1 2 SW3 PLAY 1 2 SW4 HEXT 1 2 SW5 PREV 1 2 SW6 STOP...

Страница 34: ...uF Q6 KTC8550 2 1 3 C19 0 1uF C34 C33 EC13 47u C32 R47 1 CB24 0 1uF Q7 KTC8550 2 1 3 C16 0 047uF Q5 9014b 2 3 1 R16 100k C22 1uF R34 10 R46 1 C12 27p Y10 MT1389E Pin Assignment v1 4 U2 MT1389E UQ216NE...

Страница 35: ...PLCC32PIN 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 13 14 15 17 18 19 20 21 3 2 31 24 22 30 32 16 1 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 O0 O1 O2 O3 O4 O5 O6 O7 A15 A16 WE OE CE A17 VCC GND...

Страница 36: ...5 6 7 8 4 R98 10k R90 22k R106 1k C47 220p R104 100 R96 10k R101 22k C50 220p R112 75 Q14 9015b EC29 10u EC30 47u U9 st3530 1 2 3 4 R100 75 R105 1K R103 5 1k D6 3 3v C48 2000p D7 IN4148 EC31 10u R109...

Страница 37: ...6 7 8 D3 EC35 100u 16V R8 4 7K J2 RCA JACK 1 2 3 CB32 0 1uF F1 FUSE D2 IN4007 1 2 U1 S 8521F33 1 4 2 3 5 on off EXT vss vout VDD EC2 100u 16V R10 1k EC1 47u CB2 0 1uF Q1 AO3409 3 2 1 R5 100k L1 101UH...

Страница 38: ...11 EC23 100uF R173 100K C57 1000P R156 10k EC26 100uF EC22 220uF Q20 9014 2 1 3 R169 4 7k R157 10k EC39 10u U11 4053 12 13 2 1 5 3 6 11 10 9 14 15 4 16 8 7 X0 X1 Y0 Y1 Z0 Z1 INH A B C X Y Z VDD VSS VE...

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