Daewoo DVR-1989D Service Manual
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Daewoo DVR-1989D Service Manual

Daewoo DVR-1989D Service Manual

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Service Manual
Model : DVR-1989D
DVR-1989D(KD)
DVR-1989D(BB)
DVR-1989D(GB)
DVR-1983D
DVR-1983D(KD)
DVR-1983D(BB)
DVR-1983D(GB)
DVR-1181D
DVR-1181D(KD)
DVR-1181D(BB)
DVR-1181D(GB)
DAEWOO ELECTRONICS CO., LTD.

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Summary of Contents for Daewoo DVR-1989D

  • Page 1 Service Manual Model : DVR-1989D DVR-1989D(KD) DVR-1989D(BB) DVR-1989D(GB) DVR-1983D DVR-1983D(KD) DVR-1983D(BB) DVR-1983D(GB) DVR-1181D DVR-1181D(KD) DVR-1181D(BB) DVR-1181D(GB) DAEWOO ELECTRONICS CO., LTD.

  • Page 2: Safety Check After Servicing

    Safety Check after Servicing ‹ ¡ ¡ Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1. GENERAL 1111-1. IDENTIFICATION AND OPERATION OF CONTROLS SECTION 2. ELECTRICAL ADJUSTMENT 1112-1. ALIGNMENT AND ELECTRICAL ADJUSTMENTS 1112-2. SERVO-LOGIC CIRCUIT ADJUSTMENT METHOD 1112-3. VIDEO CIRCUIT ADJUSTMENT METHOD 1112.4. AUDIO CIRCUIT ADJUSTMENT METHOD SECTION 3. CIRCUIT DIAGRAM 1113-1.

  • Page 4: Section 1. General

    GENERAL SECTION 1. 1.1 IDENTIFICATION AND OPERATION OF CONTROLS DVR-1181 SERIES ¤Ø § ¤æ ¤ ¤ı § ¤ ¤ ¤ ¤ ¤Ł ¤º ¤Œ ¤ ¤ ¤ ¤ §æ DVR-1383 SERIES ¤Ø §ı ¤ §æ § ¤ § § ¤Ł ¤ı...
  • Page 5 Á POWER Switch & LAMP ¤ RECORD Button ¤ ¤ Turns VCR power on and off. Push this button to record. If the safety tab has been removed from the cassette, it will not be possible to record, thereby preventing your recordings from acciden- ¤Ł...
  • Page 6 § §ł §œ §ß § §ø § § § § ANT IN Terminal §œAUDIO IN SOCKET (PHONO) Connect a TV aerial to this terminal. §ßVIDEO IN SOCKET (PHONO) § RF OUTPUT Terminal Connect to the aerial terminal of a TV receiver with the RF §...

  • Page 7: Section 2. Electrical Adjustment

    ELECTRICAL ADJUSTMENTS SECTION 2. 2-1. ALIGNMENT AND ELECTRICAL ADJUSTMENT For these adjustment, use the equipment mentioned below The suitable output waveform of the color-bar signal and proceed by using the alignment tape and video signal. generator is shown below. Instrument and Tools Required 1.

  • Page 8: 1112-2. Servo-Logic Circuit Adjustment Method

    2-2. SERVO-LOGIC CIRCUIT ADJUSTMENT METHOD 1. VIDEO HEAD SWITCHING POSITION Adj. Location Checking Point Measuring Equipment Mode Test Tape PT01 3 PIN RV501 Oscilloscope Play DP-1 TP396 1) Play back the test tape. 2) Set the oscilloscope in the CHOP mode connect the CH1 to SW pulse PT01 2 PIN the CH2 to TP396 with CH1 triggering. 3) Adjust RV501 for the positive trigger until 6.5H¡...
  • Page 9 2. PLAYBACK Y-SINGAL OUTPUT LEVEL Adj. Location Checking Point Measuring Equipment Mode Test Tape RV396 TP396 Oscilloscope DP-1 1) Playback the test tape (Color Bar Signal). 2) Connect the oscilloscope to TP396 and trigger the scope will a composite SYNC signal at TP313. Adjust the scope so that it can display a waveform of approx.
  • Page 10 4. LUMINANCE AND COLOR RECORD CURRENT Adj. Location Checking Point Measuring Equipment Mode Test Tape RV339 TP399 Oscilloscope REC. Blank Tape TV491 1) Input Color bar signal in 'video line in'. 2) Make every adjustment in REC mode. 3) Connect CH. 1 of oscilloscope to TP399 and TP GND and CH. 2 TP313 (C.SYNC), and then trigger the scope with an external signal.
  • Page 11 5. FM DEVIATION Adj. Location Checking Point Measuring Equipment Mode Test Tape DP-1 Color Bar RV332 TP399 Oscilloscope REC. Blank Tape 1) Confirm that the adjustment for the playback Y-Signal output level has been made corretly. 2) Feed the color bar signal to the line terminal, and set the VCR to the record mode. 3) Connect the oscilloscope to TP396 and trigger the scope with a composite sync signal (TP313).

  • Page 12: 1112.4. Audio Circuit Adjustment Method

    2-4. AUDIO CIRCUIT ADJUSTMENT METHOD 1. PLAYBACK OUTPUT LEVEL Adj. Location Measuring Point Measuring Equipment Condition of Adj. Test Tape RV291 Audio Line Out Audio Level Meter PLAY Mode DN-1 1) Connect the audio level meter to the audio line output jack. 2) Play back the test tape.

  • Page 13: Section 3. Circuit Diagram

    CIRCUIT DIAGRAM SECTION 3. 3-1. CONNECTION DIAGRAM...

  • Page 14: 1113-2. Power Circuit

    3-2. POWER CIRCUIT...

  • Page 15: 1113-3. Servo/Syscon Circuit

    3-3. SERVO/SYSCON CIRCUIT...

  • Page 16: 1113-4. Video Circuit

    3-4. VIDEO CIRCUIT...

  • Page 17: 1113-5. Pre-Amp Circuit

    3-5. PRE-AMP CIRCUIT...

  • Page 18: 1113-6. Audio Circuit

    3-6. AUDIO CIRCUIT...

  • Page 19: 11 3-7. Logic Sw Circuit (Dvr-1181 Series)

    3-7. LOGIC SW CITRCUIT (DVR-1181 SERIES)

  • Page 20: Logic Sw Circuit (Dvr-1383 Series)

    3-8. LOGIC SW CITRCUIT (DVR-1383 SERIES)

  • Page 21: 11 3-9. Logic Sw Circuit (Dvr-1989 Series)

    3-9. LOGIC SW CITRCUIT (DVR-1989 SERIES)
  • Page 22 EXPLODED VIEWS AND PARTS LIST SECTION 4. 4.1. PACKING ASSEMBLY 97P5027800 BOX CARTON SW-4 97P4915100 PAD TOP/BOTTOM 97P4802400 POLY BAG FOR SET HD-PE 0.05 97P0424100 COVER ACCESSORY 97P9527502 MANUAL OWNERS ART PARER 97P1R30D00 REMOCON HANDSET AS VR-430S/N 47P7500001 BATTERY AAM 1.5V 97P8804202 CABLE CONNECTOR HP-504(PAL-TYPE)

  • Page 23: 1114-2. Set Assembly

    4-2. SET ASSEMBLY PART CODE PART NAME Q'TY DESCRIPTION REMARK 97PB166500 CHASSIS MAIN AS 97PB166600 PANEL FRONT AS 97P1812800 DOOR F/L 97P3033600 SPRING F/L DOOR SWPB 97P0449500 COVER TOP SECC T=0.7 7003400812 SCREW MACHINE BIN 4¡¿ 8 MFZN BK 4 FIX 97P0449600 COVER BOTTOM SECC T=0.5...

  • Page 24: 1114-3. Panel Front Assembly (Dvr-1181 Series)

    4-3. PANEL FROT ASSEMBLY (DVR-1181 SERIES) PART CODE PART NAME Q'TY DESCRIPTION REMARK 97P0308900 PANEL FRONT HI-PS HI-425 97P1812700 DOOR FRONT HI-PS HI-425 97P1812800 DOOR F/L 3022R 97P1610100 WINDOW REMO RMMA HI-855M 97P1327700 KNOB FUNCTION ABS-780,HF-3 97P1707200 INDICATORFUNCTION GPPS GP-125,150 97P1707300 INDICATOR POWER GPPS...

  • Page 25: 1114-4. Panel Front Assembly (Dvr-1383 Series)

    4-4. PANEL FROT ASSEMBLY (DVR-1383 SERIES) PART CODE PART NAME Q'TY DESCRIPTION REMARK 97P0310200 PANEL FRONT HI-425 97P1611900 WINDOW FRONT HI-855M 97P1814200 DOOR FRONT HI-425 97P0952100 PLATE FUNCTION-1 T0.5 97P0952200 PLATE FUNCTION-2 T0.5 4857920400 DOOR LOCK 97P1708100 INDICATOR PLAY GP-125,150 97P1331000 KINOB STOP/EJECT ABS-780,HF-380...

  • Page 26: 1114-5. Panel Front Assembly (Dvr-1989 Series)

    4-5. PANEL FROT ASSEMBLY (DVR-1989 SERIES) PART CODE PART NAME Q'TY DESCRIPTION REMARK 97P1816000 DOOR FRONT HI-PS 97P0960500 PLATE FUNCTION 4857920400 LOCK DOOR TCB-1488MW 97P1614200 WINDOW REMOCON DARK SMOG 97P1710000 INDICATOR GPPS MILKY 97P1339800 KNOB FUNCTION 1 NATURAL 97P1339900 KNOB FUNCTION 2 97P1339700 KNOB P/F 97P1813900...

  • Page 27: 1114-6. Main Chassis Assembly

    4-6. MAIN CHASSIS ASSEMBLY PART CODE PART NAME Q'TY DESCRIPTION REMARK 97P0607600 CHASSIS MAIN HI-PS HI-425*HB) 97P0800600 SVR80 97P2422700 BRKT EARTH SECC T=1.0 97PB179600 DECK AS 7124401211 SOCREW TAPPING T2S RND 4¡¿ 12 MFZN 4 FIX 7124301211 SCREW TAPPING T2S RND 3¡¿ 12 MFZN 97PB168100 PCB PRE AMP AS 7278300811...
  • Page 28 COMPONENTS LOCATION GIDE ON PCB SECTION 5. 5-1. PCB MAIN AS PT01 TP313 TP396 TP391 TP399 TP201 TP202 TP395 RV501 RV393 RV392 RV391 RV395 RV399 RV491 RV396 RV292 RV291 PT01 TP313 TP396 TP391 TP399 TP201 TP202 TP395 RV501 RV393 RV392 RV391 RV395 RV399...

  • Page 29: 1115-2. Front Pcb As

    C201 C331 D305 Q502 R318 R542 C202 C332 D501 Q503 G319 R543 C203 C333 D502 Q504 R320 R547 C204 C334 D507 Q507 R321 R548 C205 C336 D506 Q508 R322 R554 C206 C337 D601 Q509 R323 R555 C207 C339 D603 Q512 R324 R556 C208...

  • Page 30: 1115-3. Power Pcb As

    5-2. PCB FRONT AS DVR-1181 SERIES FRONT PCB DVR-1383 SERIES FRONT PCB DVR-1989 SERIES FRONT PCB...
  • Page 31 DVR-1181 SERIES DVR-1383 SERIES DVR-1989 SERIES C701 C701 C701 DL701 L701 DL701 DL703 DL702 DL702 DL704 DL703 DL703 DL705 DL704 DL706 DL706 DL705 DL707 RM701 DL706 DL708 R705 DL707 R701 R706 DL708 RM701 R707 DL709 P701 R708 P701 R702 R709 RM701 R703 R710...
  • Page 32 5-3. PCB POWER ASSEMBLY C801 DZ804 Q809 C802 D801 R801 C803 D802 R802 C804 D803 R803 C805 D804 R804 C807 D805 R805 C811 D806 R806 C812 D807 R807 C813 D808 R809 C815 D809 R810 C816 F801 R811 C817 F802 R812 C818 F803 R813...

  • Page 33: Electrical Parts List

    ELECTRICAL PARTS LIST SECTION 6. 6-1. STANDARD PART NUMBER CODING 6-1-1. RESISTOR CODING ƒU Fixed Resistor Coding Type of Resistor Rated Wattage Distance Value Tolerance Composition Resistor Code Distance Example Code Wattage Symbol Tolerance Carbon Resistor 2.5 mm 1/6 W 0.47Ω...
  • Page 34 6-1-2. CAPACITOR CODING ƒU Normal Distance Distance Value (Same As Fixed Type (Same As Fixed (Same As Fixed Resistor) Code Voltage Code Tpye Resistor) Resistor) 6.3V Aluminum Barrier Layer Ceramic Electrolytic Shape or Line Across Characteristic Mylar Styrol Metalized Polyester Mica 100V 125V...
  • Page 35 6-1-3. FUSE CODING Regulation Value Characteristics Type Size Type (Same as Fixed Fiber MF41 4.6¡¿ 16 AC125V Resistor) Glass Tube MF51 5.2¡¿ 20 AC250V Lead Type MF60 6.3¡¿ 30 125/250V Glass Tube MF61 6.3¡¿ 31.8 Temperature MF01 10.3¡¿ 38.1 Wire MF04 14.3¡¿...
  • Page 36 6-2. ELECTRICAL PART LIST BY ASSEMBLIES PCB MAIN AS (979C15300) PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION C201 CMXM2A223J C MYLAR 100V 0.022 MF J TAPING C324 CEXE1A101A C ELECTRO RS 10V 100MF 6.3¡¿11 C202 CEXE1H478A C LELCTRO RS 50V .47MF 5¡¿11...
  • Page 37 PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION D481 DZN4148-- DIODE 1N4148 AUTO 52MM C484 CEXE1H109A C ELECTRO RS 50V 1MF 5¡¿11 D482 DZN4148-- DIODE 1N4148 AUTO 52MM C485 CEXE1H109A C ELECTRO RS 50V 1MF 5¡¿11 D483 DZN4148-- DIODE...
  • Page 38 PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION R221 RD-AZ563J- R CARBON FILM 1/6 56K OHM J Q311 TZTA1266Y- KTA1266Y- (AUTO) (1015Y) Q312 TZRC104M-- KRC104M AUTO R222 RD-AZ272J- R CARBON FILM 1/6 2.7K OHM J Q315 TZTC3198Y- KTC3198Y- (1815Y) (AUTO) R223...
  • Page 39 PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION R534 RD-AZ103J- R CARBON FILM 1/6 10K OHM J R406 RD-AZ122J- R CARBON FILM 1/6 1.2K OHM J R407 RD-AZ223J- R CARBON FILM 1/6 22K OHM J R535 RD-AZ102J- R CARBON FILM 1/6 1K OHM J...
  • Page 40 7-1-2. PCB POWERAS. (97B185300) PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION C801 CLYL2E104M C LINE ACROSS 250V 0.1MF M S,O,V L801 5PLF302--- FILTER LINE LF-302-801 C802 CBZP1C103M C CERA SEMI Y5S 16V 0.01MF M A¡¿IAL Q801 TZTC3205Y- TR ROUTE...
  • Page 41 7-1-3. PCB PRE-AMPAS (97PB185400) PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION QA06 TZTC3198Y- KTC3198Y-(1815Y)(AUTO) CA01 CEXE1A470A C CELECTRO RS 10V 47MF 5¡¿11 QA07 TZTC3198Y- KTC3198Y-(1815Y)(AUTO) CA02 CBZP1C103M C CERA SEMI Y5S 16 0.01MF M A¡¿IAL QA08 TZTC3198Y- KTC3198Y-(1815Y)(AUTO)
  • Page 42 7-1-4. PCB FRONT AS (97PB186000)/DVR-1181 SERIES PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION C701 CBZP1C103M C CERA SEMI Y5S 16V 0.01MF M A¡¿IAL DL701 DSLR34MC3- SLR34VC3 (GREEN) DL703 DSLR34MC3- SLR34VC3 (GREEN) DL704 DSLR34MC3- SLR34VC3 (RED) DL705 DSLR34MC3- SLR34VC3 (GREEN)
  • Page 43 7-1-5. PCB FRONT AS (97PC11320)/DVR-1383 SERIES PART CODE PART NAME PART DESCRIPTION PART CODE PART NAME PART DESCRIPTION C701 CCXF1H103Z C CERA HIKF 50V 0.01MF Z SW709 5S50101290 SW TACT SKHVBD, 1C-1P, HLN/T5.0-A DL701 DSLR34MC3- SLR34VC3 (GREEN) SW711 5S50101290 SW TACT SKHVBD, 1C-1P, HLN/T5.0-A DL702 DSLR34MC3-...

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Dvr-1983dDvr-1181d

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