Related Manuals for Daewoo DPC-7800NT
Summary of Contents for Daewoo DPC-7800NT
- Page 1 All manuals and user guides at all-guides.com OSDPC78001 (7 Inch) LCD Color Monitor & DVD Player DPC-7800NT (2708ED) DEC. 2006...
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Page 2: Table Of Contents
All manuals and user guides at all-guides.com (7 Inch) LCD Color Monitor & DVD Player MODEL : DPC-7800NT （2708ED） CONTENTS ---------------- Specification ............…..........…………….….. Block Diagram ........…..............…………….….. General Alignment Instruction ...............……….……..… Troubleshooting ...................…...……………...….. Printed Circuit Board 9~13 ..................……………...…... IC Block Diagram & Description 14~31 .................…………..….. -
Page 3: Specification
All manuals and user guides at all-guides.com SPECIFICATION Description Condition Unit Limit Nominal Headphone Output 1kHz 0dB 3±2 Headphone Noise No Signal <1mV <1mV 1kHz 0dB 600±100 SPK MAX Output(DVD) 1kHz 0dB 600±100 1kHz 0dB 600±100 SPK MAX Output(AV 1kHz 0dB 600±100 ≤0.3 LINE OUT Distortion... - Page 4 All manuals and user guides at all-guides.com Description Condition Unit Limit Nominal Video Signal Level Vp-p 0.7±0.1 75% color bar/75ohm SYNC Level Vp-p 0.3±0.1 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 0.6±0.2 Audio out level 1kHz/0dB/10K 2+0/-0.6 ≥2.8...
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Page 5: Block Diagram
All manuals and user guides at all-guides.com BLOCK DIAGRAM... - Page 6 All manuals and user guides at all-guides.com...
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Page 7: General Alignment Instruction
All manuals and user guides at all-guides.com 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 VR1 to get horizontal phase shift and test point: 28.9MHz 3. -
Page 8: Troubleshooting
All manuals and user guides at all-guides.com TROUBLESHOOTING SYMPTOM CAUSE REMEDY LCD MONITOR PART & Defective IC T110 (U301). & Replace IC T110 (U301). 1) Picture distortion & Defective IC201 (D3031). & Replace IC201 (D3031). 2) No Picture & Defective IC1 (CSC3414A). &... - Page 9 All manuals and user guides at all-guides.com SYMPTOM CAUSE REMEDY DVD PART & Power source is not correct. & Replace power source. 1) No Power & Charge the position of positive The positive and negative does not match the unit. and negative.
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Page 10: Printed Circuit Board
All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD Monitor Main PCB Top View Bottom View... - Page 11 All manuals and user guides at all-guides.com Charger Circuit PCB Top View Bottom View -10-...
- Page 12 All manuals and user guides at all-guides.com DVD KEY PCB-1 DVD KEY PCB-2 -11-...
- Page 13 All manuals and user guides at all-guides.com DVD Main PCB TOP View -12-...
- Page 14 All manuals and user guides at all-guides.com DVD Main PCB Bottom View -13-...
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Page 15: Ic Block Diagram & Description
All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC201 D3031 -14-... - Page 16 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION 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...
- Page 17 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION Q10 SS9969 -16-...
- Page 18 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC1 CSC3414A Name Name A OUTPUT B +INPUT A –INPUT B –INPUT A +INPUT B OUTPUT -17-...
- Page 19 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION ICH1 MP1029EM Name Name Name Name BSTR COMP PGND OUTR OUTL PGND AGND BSTL -18-...
- Page 20 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC101 CSC-1004D IVSYNC O SRST IV IY O PDA IFRST IC SY O O SCO IC O M P S IO SCI IC LKC HVDD IO M C LK O C PV O PSI O STV1...
- Page 21 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC101 CSC-1004 onpo oosco xout(25mhz) iohsy Bi dir.(3mA) iovsy Bi dir(3mA). opda 3_state(3mA) HVDD 5.0V osrst imode1 pull_down ocph1 imode2 pull_down ocph2 imode3 pull_down pcph3 ivpos1 pull_down osth1 3_state(3mA) ivpos2 pull_down...
- Page 22 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION ICP1 EL7630 Name ENAB -21-...
- Page 23 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION DVD T3 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...
- Page 24 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION DVD U8 4558D NAME NAME -23-...
- Page 25 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION DVD T2 M12L64164A -24-...
- Page 26 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION T2 M12L64164A -25-...
- Page 27 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION DVD U6 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...
- Page 28 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION DVD U3 AT5654H THERMAL STAND VINFC STBY SHUT DOWN OET1 BIAS CFCerr1 7.5K V TK CFCerr2 OET2 CTKerr1 7.5K CTKerr2 7.5K V LD VOSL 7.5K VNFFC Pre GND DET AMP.
- Page 29 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION T4 S29AL008D -28-...
- Page 30 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION T4 S29AL008D -29-...
- Page 31 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION U1 S8521 -30-...
- Page 32 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION U26 TEA2025B THERMAL PROTECT START CIRCUIT DECOUPLING TEA2025B BRIDGE GND (sub.) OUT. 2 IN.1 (+) BOOT. 2 FEEDBACK FEEDBACK BOOT.1 IN. 2 (+) OUT. 1 + Vs -31-...
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Page 33: Explode View
All manuals and user guides at all-guides.com EXPLODED VIEW -32-... -
Page 34: Schematic Diagram
All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS Monitor Part Monitor MAIN BOARD VCC1 VCC1 R222 R224 R226 R228 R230 R232 R234 R236 R240 R242 OPEN OPEN 100K 100K 100K COLOR RGB-AMP SUBB BRIGHT CONTRAST PICTURE R305 BOUT GOUT ROUT C229 R306 10K... - Page 35 All manuals and user guides at all-guides.com Monitor Part Monitor HV BOARD 47uH ICH1 MP1029 330K 10U/16V ABRT AGND ISFB CRH3 CRH4 CH10 VLFB 5.6V 0.01u CH11 DBRT 100K CH12 COMP 0.01u CH14105/ X7R/ 16V CH13 0.01u 104/ X5R/ 10V 0.22u BATT BATT...
- Page 36 All manuals and user guides at all-guides.com Monitor Part Battery Circuitry B1184 1.25A R138 10UF 10UF 470K SI2313 2412 7805 150K CHECK IC11 2412 C945 4.7UF S-8241ABJ R137 100K 470K CHECK OPEN 100K 0.1UF 0.47UF R135 OPEN 100K 2312 P0.0 XOUT P0.1 P1.2 P0.2...
- Page 37 All manuals and user guides at all-guides.com DVD KEY-1 CON1 pin6 MEN U5 LEFT ALDWN RIGHT -36-...
- Page 38 All manuals and user guides at all-guides.com DVD KEY-2 CON1 PIN5 SCREEN MODE PAUSE PLAY HEXT PREV STOP -37-...
- Page 39 All manuals and user guides at all-guides.com DVD Part DVD MT1389E DV33 DV33 APLLVDD3 RFV33 RFVDD3 JITFO 390pF JITFN DACVDD3 RFV33 2200pF 750k 0.1uF/OPEN 0.1uF 10uF/25v 680k ADIN 0.1uF 0.01uF 0.1uF 10uF/10v 1500pF 10uF/25v 0603 100k 10uF/10v 1500pF DV33 150k 150k PLLVDD3 0603...
- Page 40 All manuals and user guides at all-guides.com DVD MEMORY RDQ0 RDQ1 DMA0 RDQ0 RDQ2 DMA1 RDQ1 RDQ3 DMA2 RDQ2 RDQ4 DMA3 RDQ3 RDQ5 DMA4 RDQ4 RDQ6 DMA5 RDQ5 RDQ7 DMA6 DMA11 RDQ6 RDQ8 DMA7 RDQ7 RDQ9 DMA8 RDQ8 DQ10 RDQ10 DMA9 RDQ9 DQ11...
- Page 41 All manuals and user guides at all-guides.com DVD AV-PORT +12VA EC40 0.1U 220p EC28 5.1k EC29 HEAD_R 4558-sop8 SOP8 2000p A_MUTE C2001 EC37 R121 R100 SPKR EC30 R122 100k R131 A_MUTE C2001 R101 EC31 220p R103 R102 5.1k R104 4558-sop8 EC32 R105 HEAD_L...
- Page 42 All manuals and user guides at all-guides.com DVD POWER +12VIN DV33 Sk24 bom要改 DV33 PV33 AO3409 101UH 1.5A 101UH 1.2A RFV33 ON/OFF on/off vout 0.1U 1000P 0.1uF 1000P 100u/16V LDO_AV33 S-8521F33 LDO_AV33 DV33 LDO_AV33 ON/OFF ON/OFF +12VIN +12VA +12VIN SZ2307 dv33 100k dv33...
- Page 43 All manuals and user guides at all-guides.com DVD AUDIO DV33 4.7k AVINPUT dv33 TRIN [ 2 ] Y18 Y14 Y15 DV33 TRIN 7.5K 4.7k 8pin/1.25mm SPKR SPKR [ 5,4 ] J10 switchpower MONITOR_12V ON/OFF 9V +12VAMP SPKL SPKL [ 5,4 ] 9014b 4.7k Y(VIDEO)
- Page 44 All manuals and user guides at all-guides.com MEMO...
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