Related Manuals for Daewoo DPC-7301N
Summary of Contents for Daewoo DPC-7301N
- Page 1 REV. (7.0-Inch) LCD Color Monitor & DVD Player MODEL : DPC-7301N （LMD-6708RW） 2006/Aug.
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Page 2: Table Of Contents
CONTENTS ---------------- Specification ............…..........…………….….. Block Diagram ........…..............…………….….. General Alignment Instruction ...............……….……..… Troubleshooting ...................…...……………...….. Printed Circuit Board 10~17 ..................……………...…... IC Block Diagram & Description 18~33 ................…………..….. Explode View ......................…………..…. Schematic Diagram 35~43 ..................……………..….. -
Page 3: Specification
SPECIFICATION LCD MONITOR 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 IN) 1kHz 0dB 600±100 REF THD 1kHz 0dB ≥50 ≥50... - Page 4 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 ≤±3 20Hz ≤±3 125Hz FREQ RESP (DVD) (20Hz~20kHz)
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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 VR1 to get test point: 15720Hz.. 3. Adjust VR1 to get horizontal phase shift. 4. Adjust VRB4 to get good performance. The main PCB of DVD Modification: 1. -
Page 8: Troubleshooting
TROUBLESHOOTING SYMPTOM CAUSE REMEDY LCD MONITOR PART & Defective capacitor (C202) & Replace capacitor (C202). 1) Picture distortion & Defective IC (D3031). & Replace IC (D3031). 2) No Picture & Defective IC (CSC 3414A). & Replace IC (CSC 3414A). 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. &...
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Page 10: Ic Block Diagram & Description
IC BLOCK DIAGRAM & DESCRIPTION IC201 D3031 BLOCK DIAGRAM -18-... - Page 11 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 12 IC BLOCK DIAGRAM & DESCRIPTION ICP1 SS6608 -20-...
- Page 13 IC BLOCK DIAGRAM & DESCRIPTION IC101 CSC-1004D 64 63 IVSYN C O SRST IVIY O PDA IFR ST IC S Y O O SCO IC O M PS IO SCI IC LKC HVDD IO M C LK O C PV O PSI O STV1 csc-1004...
- Page 14 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 osth2 3_state(3mA) oq2h ihpos1 pull_up LVDD 3.3V...
- Page 15 IC BLOCK DIAGRAM & DESCRIPTION Q10 SS9969 -23-...
- Page 16 IC BLOCK DIAGRAM & DESCRIPTION IC1 CSC3414A Name Name A OUTPUT B +INPUT A –INPUT B –INPUT A +INPUT B OUTPUT -24-...
- Page 17 IC BLOCK DIAGRAM & DESCRIPTION ICH1 MP1029EM Name Name Name Name BSTR COMP PGND OUTR OUTL PGND AGND BSTL -25-...
- Page 18 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 G N D G N D...
- Page 19 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. DET AMP. VNFTK PGND PGND PGND PGND VOSL-...
- Page 20 IC BLOCK DIAGRAM & DESCRIPTION T2 M12L64164A -28-...
- Page 21 IC BLOCK DIAGRAM & DESCRIPTION T2 M12L64164A -29-...
- Page 22 IC BLOCK DIAGRAM & DESCRIPTION DVD U8 NE4558 2(6) OUYPUT 1(7) INPUTS 3(5) N E 4 5 5 8 Name Name B IN+ B IN- B OUT -30-...
- Page 23 IC BLOCK DIAGRAM & DESCRIPTION T4 S29AL0080 （A29L800） -31-...
- Page 24 IC BLOCK DIAGRAM & DESCRIPTION T4 S29AL0080（A29L800） -32-...
- Page 25 IC BLOCK DIAGRAM & DESCRIPTION U1 S8521 -33-...
- Page 26 EXPLODED VIEW 66J001010G M AG N ET 332F729EP BATTERY 692220080G SCREW 2.0*8 88XC021AEG D VD-BACK-CAB 697017030G SCREW 1.7*3 85XC8401A BATTERY-PCB 88TV0801AG PLASTIC LENS 82XC3001E D VD-PCB 88J0111AAG SW ITCH-KNOB 692620050G SCREW 2.0*5 34M E 01060G DECK 85XC2201 KEY-PCB 88XC041AAG 88XC011AAG DVD-FRO N T-CAB 692620050G SCREW 2.0*5...
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Page 27: Schematic Diagram
SCHEMATIC DIAGRAMS MONITOR PART MONITOR MAIN BOARD VCC1 VCC1 R222 R224 R226 R228 R232 R230 R234 R236 R240 R242 OPEN OPEN VD D R238 100K 100K 100K OPEN CO LOR RG B-AMP SU BB CO NTRAST PICT URE R305 BRIG HT BO UT GO UT RO UT... - Page 28 MONITOR PART MONITOR HV BOARD 47uH ICH1 MP1029 330K 10U/16V ABRT AGND ISFB CRH3 CRH4 CH10 VLFB 0.01u 5.6V CH11 DBRT 100K CH12 COMP 0.01u CH14105/ X7R/ 16V CH13 0.01u 104/ X5R/ 10V 0.22u BATT BATT CH19 105/ X5R/ 16V 105/ X5R/ 16V 10pF/ 3KV OUTL...
- Page 29 BATTERY CIRCUITRY DC OUTPUT FUSE 1.25A SMD B1184 10uF 10uF 150K BATTERY SK34 BAT1(7.2V) 78L05 C945 100K R138 0.47uF 0.47uF 330K BAT1 IC11 2412 S-8241ABJ R137 330K OPEN 30K 1% 100K R16 12K P0.0 LM 358 0.1uF S3 C94 44 U1-A XOUT P0.1...
- Page 30 DVD Part DVD KEY BOARD MENU RIGHT LEFT CON8 KEYSCANX1 KEYSCANX2 KEYSCANX3 KEYSCANX4 KEYSCAN Y1 KEYSCAN Y2 KEYSCAN Y3 ENTER DOWN PIN8 SW11 NEXT PLAY WIDE/NOR SW10 SW12 PREV STOP -38-...
- Page 31 DVD Part DVD POWER Sk24 dv33 +12VIN AO3409 L1 101UH 1.5A CB32 DV33 0.1uF 100uF/16V 0.1uF ON/#OFF on/off vout 0.1U 47u/16V 0.1uF 1000P 100u/16V S-8521F33 +12VIN 4PIN/1.25mm CHARG_LED +12VA +12VIN AO3409 R188 S12307 100k DCIN CHARG DISCHARG S12307 dv33 100K R189 100K dv33...
- Page 32 DVD Part DVD SERVO DV33 DV33 100k FB/0805 RFV33 RFVDD3 JITFO 390pF JITFN DACVDD3 2200pF 750k 0.1uF/OPEN 0.1uF APLLVDD3 C27MHz 680k ADIN 0.1uF 0.01uF 10uF/25v 0.1uF 10uF/25v 1500pF 0603 150k 150k PLLVDD3 10uF/10v 2200pF 680k DV33 EC7 change BOM V1P4 ADACVDD3 ADACVDD3 4x1 W/HOUSING...
- Page 33 DVD MEMORY [ 2 ] DCLK DCLK [ 2 ] DCKE DCKE DMA0 RDQ0 DMA1 RDQ1 [ 2 ] CAS# CAS# DMA2 RDQ2 [ 2 ] RAS# RAS# DMA3 RDQ3 [ 2 ] DMA4 RDQ4 [ 2 ] DMA5 RDQ5 DMA6 RDQ6 [ 2 ]...
- Page 34 DVD AV JACK DV33 DV33 AVIN SWITCH switchpower 8pin/1.25mm 4.7k AVINPUT 0/NC Y(VIDEO) CVBS_TV delete F2 0805 3.3k 4.7k BRIGHT +12VA CONTROL WIDE 12UH 200mA/0805 WIDE/NOR R129 KTC8550 +12V_T ON/OFF 9V 9014b WDIE 9014b R113 SPKL SPKR POWER 4.7k SPK_L SPK_R R67 change to 3.3K from 4.7K,R68 change to 12K from 10K;J10 change to SK-42D02A from SW8...
- Page 35 DVD AV PORT +12VA EC40 220p EC28 5.1k EC29 R117 EC41 HEAD_R AUDIOR 4558-sop8 SOP8 A_MUTE 10UF/10V 0805 2000p C2001 EC37 R121 SPK_R EC30 R122 AUDIOR AUDIOR [ 5,4 ] 390/NC AUDIOL AUDIOL [ 5,4 ] 100k R131 A_MUTE C2001 R101 220p R103...
- Page 36 MEMO...