Daewoo DV-K580DZ-T Page 9 Service Manual Download

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ELECTRICAL ADJUSTMENT

(2) PLAYBACK Y-SIGNAL OUTPUT LEVEL

CONNECTION METHOD

ADJUSTMENT PROCEDURE

1) Playback the COLOR BAR Test tape (DP-1).

2) Connect the oscilloscope to TJ396 and trigger the scope with a composite sync signal at TJ302.

3) Adjust R396 to obtain 2.0

0.2Vp-p between the SYNC TIP and 100% white peak level.

Adjustment Parts

Checking Point

Measuring Equipment

Test Tape

Input Signal

R396

TJ396

Oscilloscope

DP-1

TJ302

CH-1
Oscilloscope
CH-2

TJ396

R396

PB-Y

2.0V 0.2Vp-p

TJ396

Horizontal :10 s/div
Vertical :0.5V/div

Summary of Contents for DV-K580DZ-T

Page 1: ...Service Manual S M No VK580PAEF0 Aug 2000 DAEWOO ELECTRONICS CO LTD http svc dwe co kr TIME LAPSE VCR Model DV K580DZ T...

Page 2: ...CIRCUIT DIAGRAM 31 PRE AMP CIRCUIT DIAGRAM 32 OSD CIRCUIT DIAGRAM 33 AUDIO CIRCUIT DIAGRAM 34 LOGIC CIRCUIT DIAGRAM 35 TERMINAL CIRCUIT DIAGRAM 36 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 37 PCB...

Page 3: ...specified dielectric strengthen between power cord plug prongs and exposed accessible parts of the set RF terminals antenna terminals video and audio input output terminals microphone jack ear phone...

Page 4: ...ts Use on AC voltmeter to measure across both terminals of load Z See figure2 and following table Leakage current ratings for selected are as AC Line Voltage Region Load Z Leakage Current i Clearance...

Page 5: ...8 REW button 9 FF button 10 PAUSE STILL button 11 REMOTE SENSOR 12 REMOCON LOCK SWITCH 13 SET LOCK SWITCH 14 RESET button 15 MENU button 16 SHIFT t TRACKING button 17 SHIFT U TRACKING button 18 REC PL...

Page 6: ...al 3 SERIES IN terminal 4 COM terminal 5 SERIES OUT terminal 6 SW OUT terminal 7 VIDEO OUT jack 8 VIDEO IN jack 9 AUDIO IN jack 10 TAPE END terminal 11 PANIC IN terminal 12 COM terminal 13 ALARM OUT t...

Page 7: ...CH1 to SW pulse PT501 r PIN the CH2 to TJ396 video out with CH1 triggering 3 Adjust R595 for the positive trigger until 6 5 0 5H cycle before the vertical SYNC pulse Adjustment Part Checking Point Mea...

Page 8: ...the oscilloscope to TJ396 and trigger the scope with a composite sync signal at TJ302 3 Adjust R395 to obtain 2 0Vp p 0 2Vp p between the SYNC Tip and 100 white level Adjustment Parts Checking Point...

Page 9: ...cope to TJ396 and trigger the scope with a composite sync signal at TJ302 3 Adjust R396 to obtain 2 0 0 2Vp p between the SYNC TIP and 100 white peak level Adjustment Parts Checking Point Measuring Eq...

Page 10: ...al VIDEO IN JACK is shorted with Ground 2 Connect the frequency counter TJ391 3 After Inserting Rec Tape REC in SP Mode 4 Adjust R391 to obtain 4 20 0 1 MHz Adjustment Parts Check Point Measuring Equi...

Page 11: ...4 Adjust as follows if the playback video out put level is not 2 0 0 2Vp p 4 1 Adjust R392 a little 4 2 Record the Color Bar Signal for a few minute and playback it 4 3 Confirm the playback video outp...

Page 12: ...ply the signal in the OPEN mode 2 Connect the Audio Level Meter to R01 at the Deck AC Head 3 After inserting a blank tape record in SP mode 4 Adjust R292 to obtain 3 m Vrms Adjustment Parts Checking P...

Page 13: ...maximum Audio Signal to Noise Ratio A Weighted SP 40dB minimum VHS Audio Frequency Range SP 0 3 6dB 100Hz 8KHz VHS Distortion SP 4 maximum VHS WOW Flutter SP 0 3 maximum VHS Alarm input DC 4 5V open D...

Page 14: ...13 TIMELAPSE REC PB SPEED CHART TAPE MODE TAPE SPEED REMARK REC MODE E 180 SP 3H 12H 24H 36H PLAY MODE SP E 180 3H 12H 24H 36H AUDIO POSSIBLE IMPOS SIBLE REAL REC TIME 12Hj15H 24Hj27H...

Page 15: ...C301 is output to pin 3 through IC internal AGC AMP This output signal is input to pin 4 of IC301 by passing Emphasis circuit of external IC Luminance signal is output from pin 40 after FM modulator t...

Page 16: ...AIN DE Emphasis process If this output signal has burst color component will be separated by emphasis circuit The signal which is input to pin 4 is output from pin 12 through 3 5M LPF then it is input...

Page 17: ...pensation in order to match AUDIO HEAD characteristic Each mode s peaking frequency will be determined by BIAS element R L C of REC AMP OSC oscillation frequency is 70KHz sinewave it will be used for...

Page 18: ...ART 3 1 BLOCK DIAGRAM DRUM PG FG AMP CAPSTAN SPEED CTL IC501 M37775M5H u COM PROCESSOR Start end SENSOR REEL SENSOR LOADING CAM DRIVE CTL AMP VIDEO BLOCK AUDIO BLOCK TERMINAL BLOCK BACK UP BATT Vcc OS...

Page 19: ...IT with capstan motor FG numbers DRUM HEAD ON OFF controlled by HEAD AMP SW REC mute signal L R L R L R L R L R L R L 20ms 15H SP RECORDING 10FIELD SEC 3H 50FIELD SEC L R L 80ms 15H 10FIELD SEC Record...

Page 20: ...is now performing Alarm Recording u Trigger Time will be the set time on MENU it will be approximately 2 minutes at least PANIC INPUT This is the first priority REC then operation is similar as Alarm...

Page 21: ...T This port is used triggering video signal with external equipment during recording SERIES OUTPUT When the series recording proceeds after setting the series recording to on this port is used to outp...

Page 22: ...s recording to on this port is used to receive the control signal to the set which will be recorded continuously after pre recording set WARNING OUTPUT This port is used to inform emergency status of...

Page 23: ...3 2 3 3 0 3 2 7 3 0 3 0 4 0 0 0 0 8 5 8 5 8 REC PB 1 0 0 0 0 2 5 3 5 3 3 5 3 5 3 REC PB REC PB 1 0 0 0 0 6 0 0 0 0 2 0 5 0 5 7 13 6 13 4 3 0 9 0 9 8 13 6 13 4 4 6 2 6 2 9 0 9 0 9 5 0 0 0 0 10 0 5 0 5...

Page 24: ...11 0 0 5 2 23 0 0 0 0 12 4 2 4 2 24 4 9 0 5 REC PB REC PB 1 9 1 8 8 5 4 6 4 6 2 2 0 2 0 6 4 6 4 6 3 2 1 2 2 7 4 6 4 6 4 0 0 0 0 8 9 3 9 3 REC PB REC PB 1 8 8 8 8 6 0 0 0 0 2 0 0 0 0 7 0 0 0 0 3 0 0 0...

Page 25: ...3 30 4 2 4 2 10 2 1 2 1 31 2 6 2 6 11 0 0 0 0 32 0 5 0 5 12 2 0 2 0 33 0 0 0 0 13 2 5 2 5 34 2 2 2 2 14 1 7 0 9 35 4 9 4 9 15 2 9 2 9 36 1 8 1 8 16 2 5 2 2 37 3 2 3 2 17 2 2 2 2 38 1 6 1 4 18 3 7 3 7...

Page 26: ...1 6 1 6 30 0 0 0 0 REC PB REC PB 1 0 0 0 0 6 2 7 2 7 2 0 0 0 0 7 0 0 0 0 3 2 7 2 7 8 1 3 1 2 4 0 0 0 0 9 5 0 5 0 5 0 0 0 0 REC PB REC PB 1 0 0 0 0 16 1 7 1 7 2 2 4 2 4 17 4 9 4 9 3 2 5 2 5 18 1 7 1 7...

Page 27: ...7 1 1 0 0 Q306 1 8 2 4 4 9 1 7 2 3 4 9 Q307 1 2 4 9 1 2 0 5 0 5 1 0 Q308 1 6 2 4 4 0 2 0 2 4 4 0 Q309 2 4 1 8 0 0 2 4 2 0 0 0 Q310 3 0 2 4 0 0 3 2 2 6 0 0 Q311 0 7 0 0 0 0 1 3 0 7 0 0 Q312 0 0 0 0 0...

Page 28: ...1 5 0 0 0 4 9 5 1 0 0 5 0 Q502 5 0 5 1 0 0 5 0 4 2 4 9 Q503 5 0 4 3 4 9 5 0 5 0 0 4 Q504 0 0 5 2 0 0 0 0 0 0 5 0 Q801 9 3 9 9 13 6 9 3 9 9 13 5 Q802 0 0 0 0 9 9 0 0 0 0 9 9 Q803 0 0 0 0 5 8 0 0 0 0 5...

Page 29: ...28 1 CONNECTION DIAGRAM CIRCUIT DIAGRAM...

Page 30: ...29 CIRCUIT DIAGRAM 2 POWER CIRCUIT DIAGRAM...

Page 31: ...30 CIRCUIT DIAGRAM 3 SYSCON CIRCUIT DIAGRAM...

Page 32: ...31 CIRCUIT DIAGRAM 4 VIDEO CIRCUIT DIAGRAM...

Page 33: ...32 CIRCUIT DIAGRAM 5 PRE AMP CIRCUIT DIAGRAM...

Page 34: ...33 CIRCUIT DIAGRAM 6 OSD CIRCUIT DIAGRAM...

Page 35: ...34 CIRCUIT DIAGRAM 7 AUDIO CIRCUIT DIAGRAM...

Page 36: ...35 CIRCUIT DIAGRAM 8 LOGIC CIRCUIT DIAGRAM...

Page 37: ...36 CIRCUIT DIAGRAM 9 TERMINAL CIRCUIT DIAGRAM...

Page 38: ...37 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...

Page 39: ...38 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 2 PCB UNION...

Page 40: ...39 DISASSEMBLY 1 PANEL FRONT ASS Y...

Page 41: ...40 DISASSEMBLY 2 SET TOTAL ASS Y...

Page 42: ...41 DISASSEMBLY 3 PACKING ASS Y...

Page 43: ...R SECC T1 2 C5210 97S3505100 POST HOLDER SWRC MFZN II C C5220 97S3504500 POST HOLDER L SWRC MFZN II C C5230 97S3504600 POST HOLDER R SWRC MFZN II C C5240 97S3004500 SPG UPPER SUS304CSP T0 25 B5210 97S...

Page 44: ...AME PART DESC REMARK B1910 97SA409200 L C MOTOR AS K MECHA C1900 97S8103600 L C MOTOR MDH2B70 C1910 97S2702000 WORM DURANEX 2002 NATURAL B1920 97P6538222 PCB L C MOTOR PHENOL T1 6 B1930 97P6271500 CON...

Page 45: ...IC504 1DBL2084N IC DRIVER DBL2084N IC505 1MC4558C IC OP AMP MC4558C KA4558 IC801 1PQ05RF11 IC REGULATOR PQ05RF11 IC901 1MC4558C IC OP AMP MC4558C KA4558 L801 5PLFSF2120 FILTER LINE SF 2120 40MH L802...

Page 46: ...CHIP CERA 50V Y5V 0 047MF Z 2012 LOC PART CODE PART NAME PART DESC REMARK C413 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C415 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C416 HCFK103ZCA C CHIP CE...

Page 47: ...J047 HRFT000 CA R CHIP 1 10 0 OHM 2012 RJ055 HRFT000 CA R CHIP 1 10 0 OHM 2012 RJ059 HRFT000 CA R CHIP 1 10 0 OHM 2012 LOC PART CODE PART NAME PART DESC REMARK RJ060 HRFT000 CA R CHIP 1 10 0 OHM 2012...

Page 48: ...OHM J 2012 R412 HRFT223JCA R CHIP 1 10 22K OHM J 2012 LOC PART CODE PART NAME PART DESC REMARK R413 HRFT223JCA R CHIP 1 10 22K OHM J 2012 R417 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R418 HRFT561JCA R CH...

Page 49: ...1 10 10K OHM J 2012 R914 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R915 HRFT102JCA R CHIP 1 10 1K OHM J 2012 LOC PART CODE PART NAME PART DESC REMARK R916 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R917 HRFT4...

Page 50: ...9 CEXF1H479A C ELECTRO 50V RSM 4 7MF 4X7 LOC PART CODE PART NAME PART DESC REMARK C520 CEXF1C470A 79TD0562 C ELECTRO 16V RSS 47MF 5X7 TP C521 CEXF1C470A 79TD0562 C ELECTRO 16V RSS 47MF 5X7 TP C523 CEX...

Page 51: ...DE PART NAME PART DESC REMARK Q904 TZTC3198Y TR KTC3198Y 1815Y AUTO Q905 TZTC3198Y TR KTC3198Y 1815Y AUTO Q906 TZTA1266Y TR KTA1266Y AUTO 1015Y Q907 TZTC3198Y TR KTC3198Y 1815Y AUTO Q908 TZTA1266Y TR...

Page 52: ...TING LOC PART CODE PART NAME PART DESC REMARK JP034 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP035 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP036 85801065GY WIRE COPPER AWG22 1 0 65 TIN...

Page 53: ...9 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PART CODE PART NAME PART DESC REMARK JP140 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP141 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J...

Page 54: ...7 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PART CODE PART NAME PART DESC REMARK JP248 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP249 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J...

Page 55: ...J 79TD0110 R CARBON FILM 1 6 560 OHM J R415 RD AZ102J 79TD2015 R CARBON FILM 1 6 1K OHM J R416 RD AZ222J 79TD0137 R CARBON FILM 1 6 2 2K OHM J LOC PART CODE PART NAME PART DESC REMARK R430 RD AZ122J 7...

Page 56: ...A PCB UNION 330 199 1 6T K580NZ T 030A 97PB406100 PCB LOGIC A AUTO AS K580DZ T C701 CBZP1C103M 421C3461 C CERA SEMI 16V Y5S 0 01MF M C702 CBZP1C103M 421C3461 C CERA SEMI 16V Y5S 0 01MF M C703 CBZP1C10...

Page 57: ...R CARBON FILM 1 6 47K OHM J R728 RD AZ473J 79TD2034 R CARBON FILM 1 6 47K OHM J R729 RD AZ473J 79TD2034 R CARBON FILM 1 6 47K OHM J LOC PART CODE PART NAME PART DESC REMARK R730 RD AZ473J 79TD2034 R C...

Page 58: ...012 C18 HCBK104KCA C CHIP CERA 50V X7R 0 1MF K 2012 LOC PART CODE PART NAME PART DESC REMARK C27 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C29 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 DC1 DUS1J D...

Page 59: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail leesk web dwe co kr TEL 82 2 360 7802 FAX 82 2 360 7877...

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