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DAEWOO ELECTRONICS DC-F84D1D Service Manual
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DAEWOO ELECTRONICS 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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Summary of Contents for DAEWOO ELECTRONICS DC-F84D1D

  • Page 1 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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...

  • Page 4: Advantages Of This Product

    All manuals and user guides at all-guides.com 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 •...
  • Page 5 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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?
  • Page 7 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 9 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 11 All manuals and user guides at all-guides.com 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.
  • Page 12 All manuals and user guides at all-guides.com 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...
  • Page 13 All manuals and user guides at all-guides.com TROUBLESHOOTING B. Playback picture doesn’t appear PB video signal missing. Is Envelope output from IC301 Check POWER 5V. Is 5V supplied at IC301 pin#91? pin#79? Is SW Pulse input at IC301 Check IC501 pin#18. pin#70? Clean head or Replace head.
  • Page 14 All manuals and user guides at all-guides.com 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.
  • Page 15 All manuals and user guides at all-guides.com 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.
  • Page 16 All manuals and user guides at all-guides.com 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.
  • Page 17 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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? Replace IC601.
  • Page 20 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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).

  • Page 24: Waveforms

    All manuals and user guides at all-guides.com 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...
  • Page 25 All manuals and user guides at all-guides.com 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...
  • Page 26 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com CIRCUIT DIAGRAM 1. POWER CIRCUIT DIAGRAM...
  • Page 28 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM 2. SERVO & SYSCON CIRCUIT DIAGRAM...
  • Page 29 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM 3. A/V CIRCUIT DIAGRAM...
  • Page 30 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM 4. HiFi & SW & INPUT CIRCUIT DIAGRAM...
  • Page 31 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM 5. HI-FI & PIF & INPUT CIRCUIT DIAGRAM...
  • Page 32 All manuals and user guides at all-guides.com 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...
  • Page 33 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM DV33 SQAURE WAVE OPTION IC14A IC14B (2.7uH) LA13 RA20 XTALI CA25 CA28 JITFO CA31 1000pF JITFN (74HCU04) (74HCU04) (1000pF) (20p) RA24 750K CP28 CP26 CP27 CP29 CP30 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF RA21 100K...
  • Page 34 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM AVCC CF16 RF11 100K RF12 (0.1uF) P/UP CONNECTION KTA1271 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...
  • Page 35 All manuals and user guides at all-guides.com 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# A10/AP DQ10 DV33 MA11 DQ11 DV33 DQ11 RM12 DBA0 DQ12...
  • Page 36 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM CN14 RB19 [1,4] B/Cb 75,1% R/Cr DV33 DV33 [1,2,3,4] [1,2,3,4] VGND CVBS CVBS CVBS VSCK VGND VSCK RB20 VSDA VSDA (75,1%) VSTB VSTB VGND INTERFACE VGND 3.3VA 3.3VA CVBS CVBS DGND RB21 75,1% 3.0VA...

  • Page 37: Pcb Circuit Board

    All manuals and user guides at all-guides.com PCB CIRCUIT BOARD 1-1 . VCR (MAIN)
  • Page 38 All manuals and user guides at all-guides.com PCB CIRCUIT BOARD 1-2. POWER...
  • Page 39 All manuals and user guides at all-guides.com PCB CIRCUIT BOARD 1-3. DVD (MAIN)

  • Page 40: Instrument Disassembly

    All manuals and user guides at all-guides.com 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...
  • Page 41 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com INSTRUMENT DISASSEMBLY E. MAIN PCB DISASSEMBLY @ Remove 2 screws, then remove MAIN PCB ! Remove 2 screws FIG. 5...
  • Page 44 All manuals and user guides at all-guides.com INSTRUMENT DISASSEMBLY F. MAIN CHASSIS DISASSEMBLY ! Remove 4 screws, then remove MAIN CHASSIS FIG. 6...
  • Page 45 All manuals and user guides at all-guides.com 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...

  • Page 46: Electrical Partslist

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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...
  • Page 48 All manuals and user guides at all-guides.com 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...
  • Page 49 All manuals and user guides at all-guides.com 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...
  • Page 50 All manuals and user guides at all-guides.com 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...
  • Page 51 All manuals and user guides at all-guides.com 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...
  • Page 52 All manuals and user guides at all-guides.com 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)
  • Page 53 All manuals and user guides at all-guides.com 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...
  • Page 54 All manuals and user guides at all-guides.com 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...
  • Page 55 All manuals and user guides at all-guides.com 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...
  • Page 56 All manuals and user guides at all-guides.com 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...
  • Page 57 All manuals and user guides at all-guides.com 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...
  • Page 58 All manuals and user guides at all-guides.com ELECTRICAL PARTSLIST...
  • Page 59 All manuals and user guides at all-guides.com 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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