Daewoo DC-F84D1D Service Manual
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Daewoo DC-F84D1D Service Manual

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S/M No. : VDCB83PET1
Service Manual
MODEL: DC-F84D1D
DC-F84D1S
DC-F8GD1D
DC-F8GD1S
DC-F8HD1D
DC-F8HD1P
DC-F8HD1S
SF-7200
SF-7500
SF-9200S
SF-9300
SF-9300P
SF-9300S
SF-9500P
SF-9500S
MAY. 2006

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  • Page 1 S/M No. : VDCB83PET1 Service Manual MODEL: DC-F84D1D DC-F84D1S DC-F8GD1D DC-F8GD1S DC-F8HD1D DC-F8HD1P DC-F8HD1S SF-7200 SF-7500 SF-9200S SF-9300 SF-9300P SF-9300S SF-9500P SF-9500S MAY. 2006...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS .......................2 ADVANTAGES OF THIS PRODUCT..................3 TROUBLE SHOOTING........................5 WAVEFORMS ..........................23 CIRCUIT DIAGRAM........................26 PCB CIRCUIT BOARD........................35 INSTRUMENT DISASSEMBLY .....................39 ELECTRICAL PARTSLIST......................45...

  • Page 3: Specifications

    SPECIFICATIONS Power 200-240V~, 50/60Hz Consumed electricity Weight 4.6kg Dimension (W x H x D) 435mmx93mmx255mm Operative temperature +5°C~40°C Installation condition Horizontal / Relative humidity under 80% Laser output 5mW(DVD), 7mW(CD) (Continuous wave max.) Wave length 657nm(DVD), 783nm(CD) Signal type PAL COLOR Antenna Input/output U/V-mixed: 75Ω...

  • Page 4: Advantages Of This Product

    ADVANTAGES OF THIS PRODUCT • DVD, VCD, CD, CD-R(MP3), DIVX, CD-RW, VHS • Watching DVD for recording broadcast • Integrated remote control (VCR, DVD) • VISS function • Multiplex sound playback/record • High Sound Quality of 6 head Hi-Fi • Simple record function •...
  • Page 5 ADVANTAGES OF THIS PRODUCT • Parental Lock function (DVD) This function can prevent playback of software that may be unsuitable for children. • Multi Audio function (DVD) The audio soundtrack can be heard in up to 8 languages. In the case of SVCD or VCD, it depends on the disc. (The number of audio languages depends on the software.) •...

  • Page 6: Troubleshooting

    TROUBLESHOOTING 1. POWER CIRCUIT CAUTION You must use insulated transformer during the first part test of POWER circuit. No power Exchange POWER CORD POWER cord is ok? Is 400V~200V voltage Check F801. obtained at C804 +? Output voltage of 2 Check IC501, IC701 parts is normal? Check...
  • Page 7 TROUBLESHOOTING 2. SYSTEM CIRCUIT A. LED DISPLAY No LED display. Is 5V obtained at IC701 Check R588, D857, L503, L860 pin #9, 25? Oscillation at IC701pin #1? Exchange IC701. Specific GRID/SEG doesn t function. Check IC 701 pin #22~24, 27, GRID output at PORT of IC701? 28, 30, 31.
  • Page 8 TROUBLESHOOTING B-1. Bad playback quality (1) Noise appears on the playback screen. Is noise diminished by tracking Re-adjust PATH. adjustment. Noise band is trembled up and Noise appears on the screen even Re-adjust PATH. down? though changing tape. Is there CTL pulse at IC501 Re-adjust the height of AC HEAD.
  • Page 9 TROUBLESHOOTING C. No broadcasting signal received No broadcasting signal received Is the output at IC501 pin# 61(CLK), Check IC 501. 60 (DATA) normal? Is SIF,Video output at TMI(RF101) Check TMI (RF101) Block. pin#16,19 normal? Is Video Signal input at IC501 Check IC301.
  • Page 10 TROUBLESHOOTING D. No CASSETTE Loading Cassette tape isn’t inserted. Is 5V voltage obtained at Loading Check at EVER 14V parts IC501 pin#2? Check Q850. Is 14V voltage obtained at Check D851 and POWER circuit. Capstan Motor P501 pin#2? Connect Capstan and Loading Motor. Is 13V voltage obtained at Each Check connector and Capstan Motor.
  • Page 11 TROUBLESHOOTING F. DRUM Motor stops DRUM Motor stops. Is 14V voltage obtained at P501 Check EVER 14V pin#8? (Q850). Is DRUM PWM fit to IC 501 Check DRUM PG/FG pin#76? (IC 501 pin# 90). Is 2.6V voltage obtained at Check R534,R535,C519,C520. P501 pin#12? Check Capstan Motor and DRUM Motor.

  • Page 12: Troubleshooting

    TROUBLESHOOTING 3. VIDEO circuit A. EE screen doesn’t appear EE MODE Picture NG Is Video signal input at Check IF and LINE IN JACK. IC301 pin#48,50,52,54? Is 5V supplied at Check POWER circuit. pin#42,55,72,91of IC301? Check IC501 Is C.S, DATA, CLOCK signal pin #58,71,72.
  • Page 13 TROUBLESHOOTING B. Playback picture doesn’t appear PB video signal missing. Is Envelope output from IC301 Is 5V supplied at IC301 pin#91? Check POWER 5V. pin#79? Is SW Pulse input at IC301 Check IC501 pin#18. pin#70? Clean head or Replace head. Is Y SIGNAL output at IC301 Is 5V obtained at IC301 pin#24, Check POWER 5V.
  • Page 14 TROUBLESHOOTING C. No recording Record video signal poor. Check EE MODE. Is luminance and color signal Is signal input into IC301 output from IC301 pin#78? pin# 48,50,52,54,56? Check POWER circuit. Is +5V supplied at IC301 pin#91? Check IC501 pin#45. Is IC301 pin#80 REC(H) HIGH? Is VIDEO SW Pulse input at IC301 Check IC501 pin#18.
  • Page 15 TROUBLESHOOTING D. No OSD(On Screen Display) appears No OSD appears. Is 5V obtained at IC501 pin# 53, Check POWER circuit. 98, 99? Is Video signal output at IC501 Is Video signal input at IC501 Replace IC501. pin#52? pin#50? Check IC 501. Check IC 501.
  • Page 16 TROUBLESHOOTING 4. AUDIO (Hi-Fi MODEL) A. No sound in E-E mode a. RF E-E No sound in RF E-E mode Is 5V obtained at IC051 pin#1? Check Power circuit. Is there SIF signal at IC051 pin#2 Check RF101. in RF mode? Is there SIF signal out at IC051 Check IC051.
  • Page 17 TROUBLESHOOTING b. AV1 E-E No sound in AV1 E-E mode. Is 12V obtained at IC251 pin#34? Check POWER circuit. Is 5V obtained at IC251 pin#40? Check Input AV1 JACK Is Audio signal at IC251 pin#6, 7? Is Audio signal output at IC251 Are CLK and DATA obtained at Replace IC251.
  • Page 18 TROUBLESHOOTING c. AV2 E-E No sound in AV2 E-E mode. Is 12V obtained at IC251 pin#34? Check POWER circuit. Is 5V obtained at IC251 pin#40? Is Audio signal at IC251 pin#8, 9? Check Input AV2 JACK Is Audio signal output at IC251 Are CLK and DATA obtained at Replace IC251.
  • Page 19 TROUBLESHOOTING d. DVD E-E No sound in DVD E-E mode. Check FFC(19P or 11P) Fix the FFC(19P or 11P) Is Audio signal output at IC601 pin Comparing with switching table, are SWA, B CTL SIGNAL #3, 13? right at IC601 pin #9,10? Check IC501.
  • Page 20 TROUBLESHOOTING e. FRONT E-E No sound in Front E-E mode. Is Audio signal at IC601 pin#1, Check Input Front JACK. Is Audio signal output at IC601 pin Comparing with switching table, are SWA, B CTL SIGNAL #3, 13? right at IC601 pin #9,10? Check IC501.
  • Page 21 B. No Hi-Fi Playback audio(PLAY MODE) Is 12V obtained at IC251 pin#34? Check POWER circuit. Is 5V obtained at IC251 pin#40? Check A.SW at IC501 Is Audio signal at IC251 pin#41? pin#19. Is Audio signal output at IC251 Are CLK and DATA obtained at Replace IC251.
  • Page 22 C. No Hi-Fi playback in record/playback mode (REC MODE) Check input LINE1 JACK. Are there Audio signal Check input LINE2 JACK. at IC251 pin#4~9? Check ICD03(DVD). Is FM OSC signal at IC251 Replace IC251 pin#36? Is FM OSC signal at P401 pin#2? Replace DRUM.
  • Page 23 TROUBLESHOOTING E. No NORMAL AUDIO playback in record/playback mode(Check in REC mode) No Normal Audio playback in record/playback mode Check Input LINE1 JACK. Are there Audio signal at IC251 Check Input LINE2 JACK. pin#4~9? Check ICD03(DVD). Is there recording signal at Check IC251.

  • Page 24: Waveforms

    WAVEFORMS 1. VIDEO (IC301-70) 5Vp-p (IC301-70)5Vp-p (IC301-46) 520mVp-p (IC301-46) 520mVp-p 1V/2msec/cm 1V/2msec/cm 200mV/5usec/cm 200mV/5usec/cm PLAY PLAY (IC301-43) 520mVp-p (IC301-43) 520mVp-p (IC301-21) 600mVp-p (IC301-21) 350mVp-p 100mV/5usec 100mV/5usec 200mV/2msec/cm 200mV/2msec/cm PLAY PLAY(SP) VIDEO SW TRIG PLAY(EP) VIDEO SW TRIG (IC301-67) 4.6Vp-p (IC301-67) 4.6Vp-p (IC301-65) 2.2Vp-p (IC301-65) 2.2Vp-p 2V/10usec/cm...
  • Page 25 WAVEFORMS 2. AUDIO 2-1 AUDIO(Normal) (IC301-15) 100mVp-p (IC301-11) 1.5Vp-p (IC301-100) 2.3Vp-p (IC301-8) 120mVp-p 20mV/0.5msec/cm 0.5V/0.5msec/cm 0.5V/0.5msec/cm 50mV/0.5msec/cm PLAY (P202-2) 75Vp-p 10V/20µsec/cm 2-2 AUDIO(Hi-Fi) (IC251-2) 80mVp-p (IC251-24) 200mVp-p (IC251-34) 1.4Vp-p (IC251-32) 200mVp-p 20mV/0.5msec 50mV/0.5msec 0.5V/1msec 50mV/0.5msec EE/REC/PLAY EE/REC EE/REC (IC251-16) 1.4Vp-p 0.5V/0.5msec EE/REC...
  • Page 26 WAVEFORMS 3. SERVO/SYSCON “ (IC501-18) 5Vp-p (IC501-77) 5Vp-p (IC501-76) 5Vp-p (IC501-94) 3Vp-p 2V/5msec/cm 2V/5µsec/cm 2V/5µsec/cm 1V/5msec/cm REC/PLAY REC/PLAY REC/PLAY ‘ (IC501-97) 4.4Vp-p (IC501-90)25Vp-p&5Vp-p (IC501-87) 2.5Vp-p (IC501-38) 2.6Vp-p 1V/5msec/cm 1V/5msec/cm 1V/0.2msec/cm 0.5V/0.1µsec/cm PLAY REC/PLAY REC/PLAY REC/PLAY...

  • Page 27: Circuit Diagram

    CIRCUIT DIAGRAM 1. POWER CIRCUIT DIAGRAM...
  • Page 28 CIRCUIT DIAGRAM 2. SERVO & SYSCON CIRCUIT DIAGRAM...
  • Page 29 CIRCUIT DIAGRAM 3. A/V CIRCUIT DIAGRAM...
  • Page 30 CIRCUIT DIAGRAM 4. HiFi & SW & INPUT CIRCUIT DIAGRAM...
  • Page 31 CIRCUIT DIAGRAM 5. HI-FI & PIF & INPUT CIRCUIT DIAGRAM...
  • Page 32 CIRCUIT DIAGRAM AADVDD3 RFV33 LP18 FB(10uH) AADVDD3 CE20(CE21) CP23 6800pF 1000uF/10V(470uF/10V) DV33 FVCC LP19 FVCC MO_VCC1 AVCC RFV33 RFVDD3 CP24 CE22 LP11 LP14 RFVDD3 0.1uF DP11 AVCC 100uF/16V CP17 1SR154-400 CP16 CP18 0.1uF 0.01uF 2200pF CE11 CP11 0.1uF 220uF/6.3V PLLVDD3 RP11 PLLVDD3 CE16...
  • Page 33 ACENTER 0.1uF 47uF/6.3v 0.1uF 47uF/6.3v ASUBW ASUBW TP40 TP36 OPTION FOR 5.1 CH APLLIED FOR DAEWOO MT1389D PROJECT F/W ver. View if CS = LOW(GND) AUDIO from PCB FUNCTION JIG Place on BOTTOM Surface URST# DV33 (CN15) TRCLOSE 4x1 W/HOUSING...
  • Page 34 CIRCUIT DIAGRAM AVCC CF16 RF11 100K RF12 (0.1uF) KTA1271 P/UP CONNECTION CE39 QA16 QA15 (PNP,DIP) P/UP MPEG RF13 KTA1271Y KTC3875S (220uF/6.3V) 2N7002MTF RF36 RF14 100K RF43 QA14 QA13 2N3904(NPN) 4.7K 2SK3018 2SK3018 CE33 CF15 0.1uF RF15 RF16 47uF/16V CF25 RF42 MO_VCC1 Very Important to AVCC...
  • Page 35 CIRCUIT DIAGRAM [1,5] [1,2,3,5] DV33 DV33 IC19 [1,2,3,5] FVCC FVCC MA[0..11] MA[0..11] BA[0..1] BA[0..1] DQM[0..1] DQM[0..1] DCLK DCLK DCKE DCKE CAS# CAS# MA10 DQ10 RAS# RAS# DV33 A10/AP DQ10 MA11 DQ11 DV33 DQ11 RM12 DBA0 DQ12 BA0/A13 DQ12 RM13 DBA1 DQ13 BA1/A12 DQ13...
  • Page 36 VSCK RB12 VSDA VSDA(SOUT) VSTB RB13 VSTB(CS) RB14 IR(SIN) MUTE_DAC +P12V CB18 CB19 DMUTE ASPDIF 220PF 220PF SPDIF APLLIED FOR DAEWOO MT1389D PROJECT IC13A RB27 CB15 DGND OPREF 100PF CE37 RB26 RB28 OPA4558 5.1K AGND 10uF/16V CB14 1500PF AGND RB25...

  • Page 37: Pcb Circuit Board

    PCB CIRCUIT BOARD 1-1 . VCR (MAIN)
  • Page 38 PCB CIRCUIT BOARD 1-2. POWER...
  • Page 39 PCB CIRCUIT BOARD 1-3. DVD (MAIN)

  • Page 40: Instrument Disassembly

    INSTRUMENT DISASSEMBLY 1. DECK DISASSEMBLY Perform all disassembly procedures in the order presented. When reassembling, use the reverse procedure. Make sure that all leads/ wiring are routed correctly when reassembling. A. TOP COVER REMOVAL @ Remove a screws # Remove a screws ! Remove three screws FIG.
  • Page 41 INSTRUMENT DISASSEMBLY B. PANEL FRONT DISASSEMBLY @ Remove 2 Hooks at left and right sides, Simultaneously, remove panel. ! Remove 3 Hooks at bottom FIG.2 C. LOGIC PCB DISASSEMBLY Remove 2 screws, then remove Logic FIG.3...
  • Page 42 INSTRUMENT DISASSEMBLY D. DECK AND MAIN PARTS DISASSEMBLY ! Remove 6 screws, then remove DECK @ Remove 4 screws, then remove LOADER # Remove 3 screws, then remove POWER PCB FIG. 4...
  • Page 43 INSTRUMENT DISASSEMBLY E. MAIN PCB DISASSEMBLY @ Remove 2 screws, then remove MAIN PCB ! Remove 2 screws FIG. 5...
  • Page 44 INSTRUMENT DISASSEMBLY F. MAIN CHASSIS DISASSEMBLY ! Remove 4 screws, then remove MAIN CHASSIS FIG. 6...
  • Page 45 INSTRUMENT DISASSEMBLY G. Explode view G. Explode view NO PART NAME PART NO. Q TY MATERIAL REMARK DVD VCR COVER TOP 97P0483505 SECC T0.5+PAINT (5 SCREW HOLE) SCREW TAPPTITE 7173300812 TT2 BIN 3X8 BK COVER TOP FIX CUSHION TOP PLATE 97P4219700 EVA(SOFT) T=1 175*8 SCREW TAPPTITE...

  • Page 46: Electrical Partslist

    ELECTRICAL PARTSLIST Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) PARTS CODE PARTS NAME PARTS DESCR...
  • Page 47 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK C314 HCBK103KBA C CHIP CERA 50V X7R 0.01MF K 1608 C615A HCQK331JBA C CHIP CERA 50V CH 330PF J 1608 C315 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 C616 HCFH223ZBA...
  • Page 48 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK Q309 T2SC2412KB TR CHIP 2SC2412K-T146-BR R318 HRFS102JBA R CHIP 1/16 1K OHM J 1608 Q310 T2SC2412KB TR CHIP 2SC2412K-T146-BR R319 HRFS105JBA R CHIP 1/16 1M OHM J 1608 Q311 T2SC2412KB TR CHIP...
  • Page 49 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK R606A HRFS750JBA R CHIP 1/16 75 OHM J 1608 RJ017 HRFS000-BA R CHIP 1/16 0 OHM 1608 R607 HRFS512JBA R CHIP 1/16 5.1K OHM J 1608 RJ01A HRFS000-BA R CHIP 1/16 0 OHM 1608...
  • Page 50 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK C152 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP C524 CEXF1C470A C ELECTRO 16V RSM 47MF (5X7) TP C154 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP C526 CEXF1H109A C ELECTRO...
  • Page 51 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK L603 5CPX100J2T COIL PEAKING 10UH(BRN-BLK) C329 CCZJ1H104Z C CERA 50V HIKF 0.1MF Z AXL(1608) L853 56C220K686 COIL CHOKE 22UH K 27.5X0.4D C337 CBZP1C103M C CERA SEMI 16V Y5S 0.01MF M (AXIAL) L860 56C220K686...
  • Page 52 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK L604 5CPZ229K02 COIL PEAKING 2.2UH K(AXIAL 3.5MM) R537 RD-AZ473J- R CARBON FILM 1/6 47K OHM J L605 5CPZ229K02 COIL PEAKING 2.2UH K(AXIAL 3.5MM) R540 RN-AZ103F- R METAL FILM 1/6 10K OHM F...
  • Page 53 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK RD50 RD-AZ221J- R CARBON FILM 1/6 220 OHM J CA70 HCEEF101MD C CHIP ELECTRO MV 16V 100MF M 6.3DX5.7H RD51 RD-AZ221J- R CARBON FILM 1/6 220 OHM J CA72 HCEEF101MD...
  • Page 54 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK CM13 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 RB28 HRFS103JBA R CHIP 1/16 10K OHM J 1608 CM14 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 RB29 HRFS152JBA...
  • Page 55 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK CB44 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 RB15 HRFS472JBA R CHIP 1/16 4.7K OHM J 1608 CB45 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 RB19 HRFS000-BA...
  • Page 56 ELECTRICAL PARTSLIST PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK C822 CEXF1A221V C ELECTRO 10V RSS 220MF D824 D Z 1 F 3 E DIODE FR 1F3E C824 CEXK1H470L C ELECTRO 50V 47MF KXL D827 D Z 1 F 3 E DIODE FR...
  • Page 57 ELECTRICAL PARTSLIST * DVD MECHA AS PARTS CODE PARTS NAME PARTS DESCR REMARK PARTS CODE PARTS NAME PARTS DESCR REMARK M200 PVLDASBD02 DVD MECHA AS COMBO,SANKYO V3.5,FFC 135MM NC20A 97L3008300 SPRING SKEW SUS 304 WPB PI0.5 NA01 97LA108600 MAIN CHASSIS AS DDM-4000 NC20B 97L3105100 SCREW SKEW...
  • Page 58 ELECTRICAL PARTSLIST...
  • Page 59 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE: MAY. 2006...

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