Download Print this page
Daewoo DPC-8200PD Service Manual
Daewoo DPC-8200PD Service Manual

Daewoo DPC-8200PD Service Manual

8.0-inch lcd color monitor & dvd player

Advertisement

Quick Links

OSDPC82001
(8.0-Inch) LCD Color Monitor &
DVD Player
DPC-8200PD
NOV. 2006

Advertisement

loading

Summary of Contents for Daewoo DPC-8200PD

  • Page 1 OSDPC82001 (8.0-Inch) LCD Color Monitor & DVD Player DPC-8200PD NOV. 2006...
  • Page 2: Table Of Contents

    (8.0-Inch) LCD Color Monitor &DVD Player MODEL : DPC-8200PD CONTENTS ---------------- Specification ............…..........…………….….. Block Diagram ........…..............…………….….. General Alignment Instruction ...............……….……..… Troubleshooting ...................…...……………...….. Printed Circuit Board ..................……………...…... IC BLOCK DIAGRAM & DESCRIPTION ............…………..….. Explode View ......................…………..…. Schematic Diagram ..................……………..…..
  • Page 3: Specification

    SPECIFICATION LCD MONITOR Description Condition Unit Limit Nominal Headphone1 Output 1KHz 0dB 3±2 Headphone2 Output 1KHz 0dB 3±2 Headphone1 Noise No Signal <1mV <1mV Headphone2 Noise No Signal <1mV <1mV 1KHz 0dB 600±100 SPK MAX Output 1KHz 0dB 600±100 1KHz 0dB 600±100 SPK MAX Output(AV IN) 1KHz 0dB...
  • Page 4 Description Condition Unit Limit Nominal Video Signal Level Vp-p 0.7±0.1 75% color SYNC Level Vp-p 0.3±0.1 bar/75ohm Video out level Vp-p 1.0±0.2 Video out level(Unload) 75% color bar Vp-p 2.0±0.2 1KHz/0dB/10K 2.0±0.2 Audio out level 2.0±0.2 1KHz/0dB/10K ≤±3 20Hz ≤±3 FREQ RESP (DVD) 125Hz (20Hz~20KHz)
  • Page 5: Block Diagram

    BLOCK DIAGRAM...
  • Page 7: General Alignment Instruction

    GENERAL ALIGNMENT INSTRUCTION The Main PCB of Monitor Modification: 1. Input voltage is 6.8V-16V, input signal is test circuit BY 5418. 2. Adjust VRB1 to get test point: 15720Hz.. 3. Adjust VRB2 to get horizontal phase shift. 4. Adjust VR1 to get good performance. 5.
  • Page 8: Troubleshooting

    TROUBLESHOOTING SYMPTOM CAUSE REMEDY LCD MONITOR PART & Defective capacitor (C201) & Replace capacitor C201. 1) Picture distortion & Defective IC (D3031). & Replace IC D3031. 2) No Picture & Defective Q7, Q8. & Replace Q7, Q8. 3) No Picture, Picture no Good &...
  • Page 9 SYMPTOM CAUSE REMEDY DVD PART & Power source is not correct. & Replace power source. 1) No Power & Change the position of The positive and negative does not match the unit. positive and negative. & Power button defective. & Replace power button. &...
  • Page 10: Printed Circuit Board

    PRINTED CIRCUIT BOARD Monitor Main PCB Top View Bottom View...
  • Page 11 Battery Charger Circuit PCB Top View -10-...
  • Page 12 Battery Charger Circuit PCB Bottom View -11-...
  • Page 13 DVD Main PCB Top View -12-...
  • Page 14 DVD Main PCB Bottom View -13-...
  • Page 15 IC BLOCK DIAGRAM & LEAD DESCRIPTION IC201 D3031 -14-...
  • Page 16 IC201 D3031 B OUT SYNC OUT B DC DET SYNC SEP G OUT EXT B IN G DC DET EXT G IN R OUT EXT R IN R DC DFT CONTRAST Vcc1 F AD J V C0 OUT CLAMP APC FILTER AGC FILTER Vc0 IN AGC OUT...
  • Page 17 UB3 8D02D 8D02D -16-...
  • Page 18 64 PIN FUNCTION DESCRIPTION - 1 Name Description Remark Power supply Note 1 Composite sync. Input pin Resolution mode setting pin 4 Note 2 Resolution mode setting pin 3 Note 2 Resolution mode setting pin 2 Note 2 Resolution mode setting pin 1 Note 2 Display mode setting pin 4 default=1...
  • Page 19 Name Description Remark Vertical reset signal for source driver Scan clock to gate driver Gate driver Scan output enable control Gate driver scan output enable control Gate driver scan output enable control default=1 Vertical start pulse 1 for gate driver (UDC=1, OUT) Vertical start pulse 1 for gate driver (UDC=1, OUT) default=1 Up/down scan direction select pin...
  • Page 20 IC4 M5237 INPUT OUTPUT (V1) (V0) V IN Protrction CIRCUIT THERMAL PROTECTION CIRCUIT ADJUGT Voliage START Gemrator CIRCUIT CIRCUIT Oven-currfnt PROTECTION CIRCUIT GROUND PIN NAME V IN GROUND ADJUST -19-...
  • Page 21 ICP1 A8430 95mV REF F Driver 1.25V Ramp Generator Enable 1.2MHz Oscillator Characteristics Symbol Test Conditions Min. Typ. Max. Units Input Voltage Range Active: ILOAD=15mA Supply Current ISUP VLOAD=12V µA Shutdown (EN=0V) Feedback Reference Voltage VREF Feedback Input Current Switch Current Limit ISWLIM Switch Frequency Switch Maximum Duty Cycle...
  • Page 22 U701 OZ970 1=6uA 1=3uA Soft Start Irys. CTIMR COMP ACTIVE NDR_B NDR_B "HIGH" Protectlon Irys. COMP PDR_A PDR_A POFF IBIAS & POFF HF OSC Reference 2.75V OPLAMP Phase-Shift Controller PDR_C PDR_C NDR_D NDR_D PIN NAME PIN NAME NDR_D ENA ACTIVE “HIGH” PDR_C PDR_A NDR_B...
  • Page 23 DVD U14A C4558 NAME NAME -22-...
  • Page 24 U10 AT24C02 START SERIAL STOP H.V. PUMP/TIMING CONTROL LOGIC LOGIC LOAD DATA RECOVERY COMP DEVICE ADDRESS COMPARATOR LOAD DATA WORD EEPROM ADDR/COUNTER Y DEC SERIAL MUX D out/ACK LOGIC V C C S C L S D A A T 2 4 C 0 2 G N D NAME NAME...
  • Page 25 U2 TDA2822 + Vs LREE CONTROL 5,8,12,13 INPUT INPUT IN P U T + (2 ) IN P U T + (1 ) N .C . N .C . IN P U T - (2 ) IN P U T - (1 ) G N D G N D G N D...
  • Page 26 U3 AT5654 -25-...
  • Page 27 U18 AT5654 PIN No Pin Name Function VINFC Focus drive input CFCerr1 For connection of capacitor for the error amp filter CFCrr2 For connection of capacitor for the error amp filter VINSL+ Op-amp input (+) for the sled driver VOMSL- Op-amp input (-) for the sled driver VOSL Op-amp output for the sled driver...
  • Page 28 U5 A29L800 Pin No. Description A0 – A18 Address Inputs – I/O Data Inputs/ Outputs Data Input/ Output, Word Mode (A-1) LSB Address Input, Byte Mode Chip Enable Write Enable Output Enable RESET Hardware Reset BYTE Selects Byte Mode or Word Mode Ready/BUSY –...
  • Page 29: Explode View

    EXPLODED VIEW -28-...
  • Page 30: Schematic Diagram

    SCHEMATIC DIAGRAMS MONITOR PART MONITOR MAIN BOARD TO: HV BOARD TO: PAGE 3 of 5 R252 R253 +9V ~+12V R236 680K R579 100K R238 C215 1uF/50V +9V ~ +12V 330K R240 R231 R232 C217 1uF/50V +9V ~ +12V R242 C234 R577 100K C203 C232...
  • Page 31 MONITOR MAIN BOARD RB13 RB52 CON? CNB2 RB27 560 VCOM STH1 RB15 RB44 RB59 RB58 RB11 OPEN RB26 RB17 RB12 OPEN RB57 RB14 RB16 CPH1 CPH2 RB14 OPEN CPH3 CB28 CB18 0.uF STH2 0.47uF 680P VDD2 680P 680P VOCM CB41 STV2 OEV3 GND2...
  • Page 32 MONITOR HV BOARD 0.1u 47uH CN701 1A/63V FUSE C19P 5.6V 0.01u 10u/20V 0.047uF 10P/3KV CN782 C13P 0.022uF CR1P R11P 5.6V C14P 0.047uF C4P2 CR2P 0.22uF R15P C4P1 330P U701 OZ970 R14P C20P 10u/20V C17P R12P R10P 0.1uF 100K R16P OPEN C15P C16P 1500PuF...
  • Page 33 BATTERY CHARGER CIRCUIT CON1 FUSE 2.5A SMD SI2307 JACK9 SK34 0.1uF R2 2K IN4001 PIN9 CON2 CON3 B1184 B1184 FUSE 1.25A SI2307 10uF 150K TO: DVD TO: TV PORT CON4 C945 78L05 0.1uF PIN4 100K 0.47uF 0.47uF R19 10M S3C9444 LM358 RES1 100K...
  • Page 34 DVD Part Page 1-6 DV33_V 0.1uF/0805 SC-A MO NITO R_C DCIN ON/OFF_+9V G ND MONITO R_Y (VIDEO ) MO N ITO R_C MO N ITO R_W IDE/NOR TO MONITOR MO N ITO R_CONTROL AV-IN/OUT_SW BOARD(1)CON1 AV-IN/OUT_SW AVIN/O UT_SW [ 1,6 ] MO NITO R_CO NTROL 3904 O N/OFF_+9V...
  • Page 35 Page 2-6 MONITOR_Y (VIDEO) MONITOR_Y (VIDEO) [ 7 ] AVC M VOUT ADCIN I/O_L AIN/OUT_L ON/OFF_DCIN AVC M AIN/OUT_R I/O_R VIDEO_+5V AVC M AUDIO IN/OUT SC-A 47pF ON/OFF_+9V DCIN [ 1 ] ON/OFF_+9V LCD_ON/OFF [ 1 ] LCD_ON/OFF ON-DCIN ON/OFF_+9V [ 1,7 ] ON-DCIN AVC M...
  • Page 36 Page 3-6 MONITOR_Y(VIDEO) MONITOR_Y(VIDEO) [ 7 ] AVC M VOUT ADCIN I/O_L AIN/OUT_L ON/OFF_DCIN AVC M AIN/OUT_R I/O_R VIDE O_+5V AVC M AUDIO IN/OUT SC-A 47pF ON/OFF_+9V DCIN [ 1 ] ON/OFF_+9V LCD_ON/OFF [ 1 ] LCD_ON/OFF ON-DCIN ON/OFF_+9V [ 1,7 ] ON-DCIN AVC M VIDE O_+5V...
  • Page 37 Page 4-6 [ 2,3,4,5,6,7 ] DV33 DV 33 [2,3,4 ] V 25 V 25 ON/OFF_DC [ 3 ] UR ST UR ST [ 2,3 ] ON/OFF_DCIN ON/OFF_DCIN ON-DC IN AV-IN/OU T_S W AV-IN/OU T_SW [ 6,7 ] ON-DC IN ON-DC IN [ 6,7 ] LCD _O N/OFF LCD _O N/OFF [ 6 ] DC IN...
  • Page 38 Page 5-6 M DI1 V1.7 RESET# RGB_SW ITC H P CE# P WR# HS YN C# VSY NC# M UTE_D AC UR ST# Y[3..6] V 20 AV CC 1 VIDEO INTERFAC E A [0..21] AD[0..7] P RD# P WR# P CE# M DI1 FLASH M A[0..11]...
  • Page 39 Page 6-6 DQ[0..15] [ 2 ] DQ[0..15] SD33 [ 2 ] MA[0..11] MA[0..11] [ 2 ] BA[0..1] BA[0..1] DV33 [ 2 ] DQM[0..1] DQM[0..1] DCLK DCLK [ 2 ] DCKE DCKE [ 2 ] CB27 C137 CB37 CB46 CB40 CAS# CAS# [ 2 ] MA10...
  • Page 40 MEMO...