Related Manuals for LG DP9821P
Summary of Contents for LG DP9821P
- Page 1 PORTABLE DVD SERVICE MANUAL MODEL : DP9821P(DP9821BPM) CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. JUNE, 2005 P/NO : 3829RHP047H Printed in Korea...
- Page 5 SAFETY PRECAUTIONS. NOTE Remembers Safety First:...
- Page 9 831 ADAPTER DC DC 12 BATTERY AC ADAPTER REMOCON 814 PLUG ASS'Y OWNER'S MANUAL R/C BATTERY 804A R/C BATTERY BAG 802A ACCESSORY BOX PACKING 802B GIFT BOX OPTIONAL PARTS...
- Page 11 63.5 63.5µs 4.6V 5. 5.3Vp-p 3Vp-p 0.7V...
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Page 14: Vcom
TERAMINS T100 LCD 7î WIDE VCOM -14.5V 7.5V INVERTER DC-DC CONV CVBS... -
Page 15: Cph1
VDD22 AVDD33 VDD33 VDD22 0.1uF 0.1uF 100uF/6.3V AC0/ACB0 AC1/ACB1 AC2/ACB2 VDT0 0.1uF CVBS0/AY0 VDT1 CVBS1/AY1 VDT2 CVBS2/AY2 VDT3 VDT4 CVBS3/ACR0 VDT5 0.1uF CVBS4/ACR1 VDT6 1RP1 CVBS5/ACR2 VDT7 CBMID TERAWINS T100 CBMID VCLK CGMID CGMID CRMID STV2 IICA3/SDA STV1 nc(104) SCANB/SCL STV2 XTALI GCLK... - Page 16 L13 10uH 4.7uF/25V -15V SPR+ VDD33 SPR- 0.1uF VCOM SPL+ SPL- STH1 CPH3 CPH2 GND1 CPH1 10uH IRON(1206) RESET_T REST 10u/16V STH2 FB 10R GNDD GND2 +15V GND3 10uH IRON(1206) VGOFF GND4 100n CVBS CVBS_IN 10u/25V STV2 GND5 3.3V GNDD 3.3V-TFT GNDD VDD33...
- Page 17 +7.5V BIAS 0.1uF 0.1uF 0.1uF 0.1uF R3 20K 0.1uF 0.1uF 0.1uF 100uF/6.3V AVDD33 47uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 100uF/6.3V 0.1uF VDD33 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 100uF/6.3V 10uH VDD33 VDD33 +3.3V 1206 + C36 0.1uF 47uF/10V 4.7K 4.7K...
- Page 18 2.7uH SPL+ AVDD33 SPL- 0603 680pF 330pF 0.1uF COMP SPR+ SPR- RSET 2.7uH R5 0 0603 680pF 330pF CM1117SCM223 2.5V PCBCOMPONENT_1 +2.5V VDD33 2.7uH R7 0 CVBS 0603 47uF/6.3V 680pF 330pF...
- Page 24 Power is on Does Logo appear Check power & clock. on the screen? Does the Check CD/DVD DSP output moving picture of the DVD Disc Is MPEG data signal normal? play on the screen signal. normally? Check MPEG Decoder input signal.
- Page 25 Laser off Put disc in? Check the related circuit Proper RFL signal Disc ID is correct? on MT1389 RFL signal . on MT1389? Check the RFL connection between CON200 and MT1389. Proper Check DMSO related DMSO signal on Does spindle rotate? circuit on MT1389.
- Page 26 Proper Check connections between signals on A, B, C, Focus ON OK? MT1389 and pick-up head. D of MT1389 Check the related circuit Proper FEO signal on MT1389 FEO sugnal . on MT1389? Check IC500 IC Check the related Proper FEO signal Track On OK? circuit on MT1389 on MT1389?
- Page 27 Audio Normal DAC received Check connection between MT1389 Audio output & Audio DAC. (Check VRST#, ACLK, correct data stream? when disc playback? ABCK, ASDAT3) Normal Check the related circuit of Audio DAC Audio DAC. (Check Audio out? (IC702) out Pin 14, 15,18,19) Check Audio filter, amplify, mute circuit.
- Page 28 No turn on Red LED Is 8.4V of J601_Pin1 OK? Is Q707 OK? Replace Q707. Is IC(U703)OK? Replace IC(U703). Is L701,C706,C709 Replace L701, C706, C709. Is IC(U701) OK? Replace IC(U701). Is IC702 OK? Replce IC702.
- Page 38 A,B,C,D,RFIP,TNI,TPI MDI1,SUBA,SUBB LD01,LD02,IOA,V20 V,HV+/-,W,HW+/- U,HU+/- FO+,FO-,TR+,TR- STEP1+/-,STEP2+/- DECK MECHANISM...
- Page 39 DCPWR E+5V S+5V A+5V A-5V D+3.3V A+3.3V D+1.8V +15V -14.5V 7.5V U104 BD6111FV U105 RT9701 AAT1102 U101 U102 MP1410 MP1410 Q107 U701 U702 SI4435D Y SI4435D Y GT6312 CH_EN PWRCTL_ 3.3V PWRCTL_5V From AC Adapter 9.5v From BATTERY 7.6V To BATTERY...
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Page 40: Circuit Diagrams
CIRCUIT DIAGRAMS 1. MAIN POWER CIRCUIT DIAGRAM POWER INPUT DC+9.8V GT119 TP101 TP106 J101 F101 PWR_SRC D103 C130 UDZS16B 0.1U C129 D105 C142 0.1U D106 RB081L-20 HEC3110 220uF/16V D104 RB081L-20 R117 UDZS16B POWERJACK GT120 TP108 TP109 TP107 DCPWR F102 DCPWR E+5V 4,6,7 C131... - Page 41 2. SERVO CIRCUIT DIAGRAM R206 R208 100K A+5V Q202 R209 The countermeasure of static electricity 2N3904 D202 STZ6.8N(OPEN) R207 100K D203 CON200 Q200 Q201 STZ6.8N(OPEN) 2SK3018 2SK3018 LD PART A+3.3V GT223 R204 GT222 DVD VR L201 D204 R233 CD VR A+3.3V 10uH GT243...
- Page 42 3. MAIN(MT1389) CIRCUIT DIAGRAM TP830 VREFN IOWR# TRAY OPEN SWITCH C563 C564 C565 TP831 1000P Crystal IOCE# OPEN 0.1U TP842 JITFO JITFN TP843 Download Part VREFP R536 750K R513 100K SW501 TRAY_OPEN_SW D+3.3V VFD_TXD GT500 X500 TRAY_OPEN_SW C566 C567 TP876 27MHz TP832 C568...
- Page 43 4. AUDIO CIRCUIT DIAGRAM A_VIDEO_IO_CON A_AUDIO_CD_CON Q307 Q316 Q310 2N3904 E+5V 2N3904 2N3904 R390 TP309 Q305 Q306 A+5V 2N3906 KRA103S Q312 2N3904 D303 R302 Q314 R388 KRA103S 4.7K Q309 2N3904 Q311 R387 TP310 Q304 R391 Q317 2N3904 4.7K R389 2N3904 2N3904 TP301 R384...
- Page 44 5. VIDEO CIRCUIT DIAGRAM VIDEO_IO_CON3,6 /V_JACK_IN 3 R416 OPEN Q409 OPEN R408 OPEN A+3.3V Q408 C409 0.1U OPEN TP417 R403 TP416 R412 OPEN Q415 Q404 R419 OPEN R401 R421 OPEN KTA1504S TP439 R406 OPEN /V_MUTE 3 A+5V TFT_5V R418 L405 R414 10UH L406...
- Page 45 6. FRONT MICOM CIRCUIT DIAGRAM SL600 R625 VFD_RXD A+5V VFD_RXD 3 4.7K FRONT DOWNLOAD R638 L603 E+5V 10UH L601 10UH C609 C601 U603 10U/10V E+5V 0.1U 0.1U Signal Power Up (3.3V=>5V) E+5V TP617 TP622 TP624 TP621 A_SP_AMP_EN SP_AMP_EN3 TP623 TP620 FM_MUTE MUTE_FM3 TP618...
- Page 46 7. BATTERY CHARGE CIRCUIT DIAGRAM D701 U701 L701 100UH Si4435 U703 DC+9.5V D705 BAT_IN R712 UDZS16B IN5822 C701 C707 R701 Q701 C709 C708 47U/25V D702 C706 9013 IN5822 100U/25V D704 D703 100U/25V R726 Si4435 UDZS16B L705 OPEN IN4148 SAM_I R727 R702 C711 Q702...
- Page 47 8. KEY CIRCUIT DIAGRAM Q5 STZ6.8N HEADER 6 100K 2N3906 2.7K 2.7K 1.3K 4.7K 9.1K TSM148AF 2N3904 TSM148AF TSM148AF TSM148AF TSM148AF TSM148AF TSM148AF 0.1U POWER AV_IN SETUP TITLE MENU DISPLAY LCD_MODE TACK SW - TSM148AF 2.7K 2.7K 4.7K 9.1K 1.3K SW10 SW11 SW12...
- Page 48 9. PROTECT CIRCUIT DIAGRAM BATTERY LP300 Si9926DY SENS S-8232ALFT 4 HEADER LP300 LG PROTECT 3-47 3-48...
- Page 49 PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C. BOARD 3-49 3-50...