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6

2-2. SERVO-LOGIC CIRCUIT ADJUSTMENT METHOD

1. VIDEO HEAD SWITCHING POSITION

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

¡

0.5H cycles before the vertical SYNC pulse.

2-3. VIDEO CIRCUIT ADJUSTMENT METHOD

1. E E VIDEO LEVEL

1) Feed the color bar signal to the line input terminal. And set for the stop (EE) mode.
2) Connect the oscilloscope to TP395 and trigger the scope with a composite SYNC signal at TP313 .(COMP.SYNC.)
3) Adjust the oscilloscope so that it can display a waveform of approx. 2H.
4) Adjust RV395 to obtain 0.5

¡

0.02 Vp-p between SYNC TIP and 100% white level.

Adj. Location

Checking Point

Measuring Equipment

Mode

Test Tape

RV501

PT01 3 PIN

Oscilloscope

Play

DP-1

TP396

Adj. Location

Checking Point

Measuring Equipment

Mode

Test Tape

RV395

TP395

Oscilloscope

EE

ƒ¡

0.5

¡

0.02Vp-p

Содержание DVR-1181D

Страница 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...

Страница 2: ...e to confirm the precise values for your particular country and locality 4 Leakage current test 1 Confirm specified or lower leakage current between B earth ground power cord plug prongs and externall...

Страница 3: ...IC SW CIRCUIT DVR 1181 SERIES 17 11 3 8 LOGIC SW CIRCUIT DVR 1383 SERIES 18 11 3 9 LOGIC SW CIRCUIT DVR 1989 SERIES 19 SECTION 4 EXPLODED VIEWS AND PARTS LIST 1114 1 PACKING ASSEMBLY 20 1114 2 SET ASS...

Страница 4: ...SECTION 1 GENERAL 1 1 IDENTIFICATION AND OPERATION OF CONTROLS 2 DVR 1181 SERIES DVR 1383 SERIES DVR 1989 SERIES...

Страница 5: ...return to the playback mode PAUSE STILL Button In the recording mode you can stop the operation of the recorder temporarily In the playback mode a picture will apear in the STILL mode The STILL mode...

Страница 6: ...al mode you can check channel accordance of the TV and VCR RF OUTPUT CHANNEL ADJUSTMENT SCREW In video playback mode you can adjust more accurately the RF OUTPUT for obtaining clean picture AUDIO IN S...

Страница 7: ...dio oscillator 8 Audio attenuator Signal Level and Input and Output Impedance Requirement 1 Video input Negative sync 1Vp p standard composite 1 video signal 75 2 Video output Same as above 3 Audio in...

Страница 8: ...LEVEL 1 Feed the color bar signal to the line input terminal And set for the stop EE mode 2 Connect the oscilloscope to TP395 and trigger the scope with a composite SYNC signal at TP313 COMP SYNC 3 A...

Страница 9: ...TIP and 100 white level 3 SYNC TIP FREQUENCY 1 Set the unit to stop mode without video signal Jack of video line input is shorted with ground 2 Conncet the frequency counter to TP391 3 Adjust RV391 u...

Страница 10: ...RV491 Until the color record current level RED REFERENCE becomes 100 5mVp p 5 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...

Страница 11: ...level is 4 2 0 0 2 Vp p 5 If the playback y signal output level is not 2 0 0 2 Vp p the adjust as follows 5 1 Set the VCR in the record mode 5 2 Turn the variable RV392 a little 5 3 Record the color...

Страница 12: ...o the 400 Hz playback output level SP 4 If the difference between 10 KHz and 400 Hz playback output level is more than 1 dB increase the bias current more than 4 2 3mVms and if the difference is less...

Страница 13: ...3 1 CONNECTION DIAGRAM 11 SECTION 3 CIRCUIT DIAGRAM...

Страница 14: ...3 2 POWER CIRCUIT 12...

Страница 15: ...3 3 SERVO SYSCON CIRCUIT 13...

Страница 16: ...3 4 VIDEO CIRCUIT 14...

Страница 17: ...3 5 PRE AMP CIRCUIT 15...

Страница 18: ...3 6 AUDIO CIRCUIT 16...

Страница 19: ...3 7 LOGIC SW CITRCUIT DVR 1181 SERIES 17...

Страница 20: ...3 8 LOGIC SW CITRCUIT DVR 1383 SERIES 18...

Страница 21: ...3 9 LOGIC SW CITRCUIT DVR 1989 SERIES 19...

Страница 22: ...CARTON 1 SW 4 2 97P4915100 PAD TOP BOTTOM 1 EPS 3 97P4802400 POLY BAG FOR SET 1 HD PE 0 05 4 97P0424100 COVER ACCESSORY 5 97P9527502 MANUAL OWNERS 1 ART PARER 6 97P1R30D00 REMOCON HANDSET AS 1 VR 430S...

Страница 23: ...IS MAIN AS 1 2 97PB166600 PANEL FRONT AS 1 3 97P1812800 DOOR F L 1 PC 4 97P3033600 SPRING F L DOOR 1 SWPB 5 97P0449500 COVER TOP 1 SECC T 0 7 6 7003400812 SCREW MACHINE 4 BIN 4 8 MFZN BK 4 FIX 7 97P04...

Страница 24: ...L 1 3022R 4 97P1610100 WINDOW REMO 1 RMMA HI 855M 5 97P1327700 KNOB FUNCTION 1 ABS ABS 780 HF 3 6 97P1707200 INDICATORFUNCTION 1 GPPS GP 125 150 7 97P1707300 INDICATOR POWER 1 GPPS GP 125 150 8 97P170...

Страница 25: ...25 4 97P0952100 PLATE FUNCTION 1 T0 5 5 97P0952200 PLATE FUNCTION 2 1 T0 5 6 4857920400 DOOR LOCK 1 7 97P1708100 INDICATOR PLAY 1 GP 125 150 8 97P1331000 KINOB STOP EJECT 1 ABS 780 HF 380 9 97P1708100...

Страница 26: ...20400 LOCK DOOR 1 TCB 1488MW 4 97P1614200 WINDOW REMOCON 1 PC DARK SMOG 5 97P1710000 INDICATOR 1 GPPS MILKY 6 97P1339800 KNOB FUNCTION 1 1 ABS NATURAL 7 97P1339900 KNOB FUNCTION 2 1 ABS 8 97P1339700 K...

Страница 27: ...W TAPPING 1 T2S RND 3 10 MFZN 10 FIX 13 7624301011 SOCREW TAPPING 2 T2S RND 3 12 MFZN 11 FIX 14 7273401011 SOCREW TAPPING 2 T2S RND 4 12 MFZN 10 FIX 15 7124401211 SOCREW TAPPING 3 T2S RND 4 12 MFZN 9...

Страница 28: ...1 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 RV491 RV396 RV292 RV291 26 SECT...

Страница 29: ...2 PJ301 F5 PJ601 E3 PT01 E4 P202 I2 P302 I6 P501 E7 P502 D5 P503 D1 P602 E5 Q201 J1 Q301 H6 Q302 J5 Q303 J5 Q304 K5 Q305 J5 Q307 J4 Q308 I6 Q309 I6 Q311 F6 Q312 F6 Q501 D6 LOC POS Q502 B3 Q503 E2 Q504...

Страница 30: ...5 2 PCB FRONT AS DVR 1181 SERIES FRONT PCB DVR 1383 SERIES FRONT PCB DVR 1989 SERIES FRONT PCB 28...

Страница 31: ...R712 R713 R714 R715 R716 R717 R718 R719 R721 SW701 SW702 SW703 SW704 SW705 SW706 SW707 SW708 SW710 SW711 SW712 POS H4 I4 A4 I5 I5 I5 I4 I4 I4 A4 J4 H4 J4 J4 J4 J4 I4 I4 B4 B4 F4 G4 D4 G4 C4 C4 D4 E4 F...

Страница 32: ...E2 I1 I1 E2 E2 F1 G2 H1 H1 G1 G1 G1 D1 D1 LOC DZ804 D801 D802 D803 D804 D805 D806 D807 D808 D809 F801 F802 F803 F804 L801 Q801 Q803 Q806 Q808 POS D1 C1 I1 C1 E2 F1 G1 G1 D1 A1 D1 D1 G1 A2 F2 F2 H2 H2...

Страница 33: ...47 479 4 7 471 470 472 4 7 473 47 Distance Code Distance A 2 5 mm B 5 0 mm C 7 5 mm D 10 0 mm E 12 5 mm F 15 0 mm G 17 5 mm H 20 2 mm J 22 0 mm k 25 0 mm X Auto lnsertion Z Auto lnsertion Tolerance S...

Страница 34: ...2B 125V 2C 160V 2D 200V 2E 250V Distance Value Same As Fixed Same As Fixed Same As Fixed Resistor Resistor Resistor Shape or Characteristic Characteristic Capacitance Temperature Coefficient ppm Coef...

Страница 35: ...e Glass Tube T Temperature W Wire C Ceramic P Plastic Type 1 AC125V 2 AC250V 3 125 250V Size A MF41 4 6 16 B MF51 5 2 20 C MF60 6 3 30 D MF61 6 3 31 8 E MF01 10 3 38 1 F MF04 14 3 50 8 G MF05 20 5 76...

Страница 36: ...CEXE1A101A C ELECTRO RS 10V 100MF 6 3 11 C325 CBZP1C103M C CERA SEMI Y5S 16V 0 01MF M A IAL C326 CEXE1J479A C ELECTRO RS 63V 4 7MF 5 11 C327 CEXE1J479A C ELECTRO RS 63V 4 7MF 5 11 C328 CZSL1H150J C CE...

Страница 37: ...M DIODE ZENER UZ 9 1BM AUTO D301 DZN4148 DIODE 1N4148 AUTO 52MM D302 DZN4148 DIODE 1N4148 AUTO 52MM D303 DZN4148 DIODE 1N4148 AUTO 52MM D304 DZN4148 DIODE 1N4148 AUTO 52MM D481 DZN4148 DIODE 1N4148 AU...

Страница 38: ...OHM J R221 RD AZ563J R CARBON FILM 1 6 56K OHM J R222 RD AZ272J R CARBON FILM 1 6 2 7K OHM J R223 RD AZ103J R CARBON FILM 1 6 1K OHM J R225 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING R301 RD AZ3...

Страница 39: ...28 RD AZ473J R CARBON FILM 1 6 47K OHM J R529 RD AZ103J R CARBON FILM 1 6 10K OHM J R530 RD AZ102J R CARBON FILM 1 6 1K OHM J R531 RD AZ102J R CARBON FILM 1 6 1K OHM J R532 RD AZ102J R CARBON FILM 1 6...

Страница 40: ...2A 250V MF51 F802A 97P460160P CLIP FUSE PFC5000 0202 F802B 97P460160P CLIP FUSE PFC5000 0202 F803 5FSGB2022L FUSE GLASS TUBE SEMKO TL 2A 250V MF51 F803A 97P460160P CLIP FUSE PFC5000 0202 F803B 97P460...

Страница 41: ...RING 100UH 3 5MM K LAL02TB QA01 TZTC3198Y TR KTC3198Y 1815Y AUTO QA02 TZTC3198Y TR KTC3198Y 1815Y AUTO QA03 TZTA1266Y TR KTA1266Y AUTO 1015Y QA05 TZST2002 TR KSR2002 AUTO R536 RD AZ102J R CARBON FILM...

Страница 42: ...220 OHM J R715 RD AZ361J R CARBON FILM 1 6 360 OHM J R716 RD AZ511J R CARBON FILM 1 6 510 OHM J R717 RD AZ112J R CARBON FILM 1 6 1 1K OHM J R718 RD AZ332J R CARBON FILM 1 6 3 3K OHM J R719 RD AZ432J R...

Страница 43: ...R710 RD AZ361J R CARBON FILM 1 6 360 OHM J R711 RD AZ511J R CARBON FILM 1 6 510 OHM J R712 RD AZ102J R CARBON FILM 1 6 1K OHM J R713 RD AZ161J R CARBON FILM 1 6 160 OHM J R714 RD AZ221J R CARBON FILM...

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