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TROUBLESHOOTING GUIDE

3-7) NO RECORD SOUND

Check the waveform of ICY01 #74

NG : GO to the figure

2-2 (TV PART)

OK : GO to the figure n

ICY01

VCR Y/C

LA71076AM

XS01

32KHz

Check

the crystal

Check

the voltage

ICS01

TIMER/

SYSCON

#20 #70

XS02

16MHz

#35

#36

#38

#39

#37

#34

RESET

Vcc(5V)

#98

#99

Vcc(5V)

Check

the voltage

(5V)

PB L

REC H

Check

the crystal

#11 #17

Check

SCL/SDA signal

#87

#75

A Vcc

HA Vcc

#12

#26

AUDIO

HEAD

Invert REC H

from ICS01#20
REC H,PB L

#98

#96

AUTO

BIAS

Check

the voltage

H : QUE/REV/STILL
L : NORMAL PLAY

A.MUTE

#99

Check

the waveform

AUDIO

ERASE

HEAD

FULL

ERASE

HEAD

Check

the waveform

70KHz

If SINE wave no signal,

then change TU01

TU01

70V

Appendix

Содержание DVQ-13H1FCN

Страница 1: ...anual 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...

Страница 2: ...ENT INSTRUCTIONS 8 SERVICE MODE ADJUSTMENTS 8 ASSEMBLY ADJUSTMENTS 10 VCR DECK ADJUSTMENTS 12 SCHEMATIC DIAGRAM 13 EXPLODED VIEW 14 PRINTED CIRCUIT BOARD 18 SERVICE PARTS LIST 19 APPENDIX Appendix is...

Страница 3: ...THIS TUBE DOES NOT EMIT X RAYS WHEN THE HIGH VOLT AGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERATION AT HIGHER VOLT AGES MAY CAUSE A FAILURE OF THE...

Страница 4: ...corrected imme diately GRAPHIC SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of uninsu lated dangerous vo...

Страница 5: ...entilation 4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its origi...

Страница 6: ...CR SYSTEM Rotary 2 Head Helical Scanning Monaural System AUDIO RECORDING SYSTEM Monaural TAPE SPEED SP 33 35mm sec EP 11 12mm sec LP 16 67mm sec PLAY ONLY INPUT Video 1Vp p 75 Ohm Audio 3 8dBm over 10...

Страница 7: ...6 CIRCUIT BLOCK DIAGRAM...

Страница 8: ...7 CIRCUIT BLOCK DIAGRAM...

Страница 9: ...e curser U move you wish to adjust item w Using the volume up U or down buttons to enter in the sevice mode you wish to adjust w You adjust the values of service mode automatically save to EEPROM Tabl...

Страница 10: ...ER Horizontal center 1 0 31 Using internal cross pattern CROSS BW 2 V SIZE Vetical Size 1 0 127 V CENTER Vertical Center 1 0 63 V SC Vertical S Correction 0 0 31 Must be set to 0 V LIN Vertical Linear...

Страница 11: ...Enter the service mode and select service adjustment S5 w You can see the OSD as shown in below w Select AGC item press volume up U or down buttons until noise or beet in picture disappears 4 GEOMETR...

Страница 12: ...tons to select CROSS BW item w Use the VOL up U button to select internal WHITE60 pattern w Use the CH s t buttons to select RB GB BB item adjust data until a good white w Use the CH s t buttons to se...

Страница 13: ...SW RF 2 P G ADJUSTMENT S11 w Playback the test tape DN 2 7KHz w Enter the service mode and select service adjustment S11 w Push the REC KEY once P G Adjustment is Automatically w Connect oscilloscope...

Страница 14: ...13 SCHEMATIC DIAGRAM AUDIO VIDEO VERTICAL HORIZONTAL...

Страница 15: ...14 EXPLODED VIEW 1 DVQ 19H2FCN 4857246201 4851941600 4859813091 48A96220C1 SPTH C T0 5 DRN 9200 A48AGY13X...

Страница 16: ...15 EXPLODED VIEW 2 DVQ 19H1FC 48572462011 4851941600 4859813091 48A96220C1 SPTH C T0 5 DRN 9200 A48AGY13X...

Страница 17: ...16 EXPLODED VIEW 3 DVQ 13H2FC 4857246201 4851941600 97P0475800 4859813091 48A96314C3 SPTH C T0 5 ET T0 4 330 246 T1 6 A34KQV42X...

Страница 18: ...17 EXPLODED VIEW 4 DVQ 13H1FC T025 ET T0 4 330 246 T1 6 A34KQV42X...

Страница 19: ...18 PRINTED CIRCUIT BOARD...

Страница 20: ...K M352 4853535300 HOLDER BRKT FR HIPS BK ZZ202 PTSPPWH452 SPEAKER AS DVQ 14H2FCN PA601 4850703S53 CONNECTOR YH025 03 35098 ULW 500 SP01 4858314310 SPEAKER SP 5070A01 3W 8 OHM 2 ZZ290 PTMPMSH452 PCB MA...

Страница 21: ...ECTRO 50V RSM 4 7MF 4X7 C888 CH1BFE472M C CERA AC AC400V 4700PF M U C V C889 CH1BFE472M C CERA AC AC400V 4700PF M U C V C901 CMXL2E104K C MYLAR 250V MEU 0 1MF K C902 CMXL1J224J C MYLAR 63V MEU 0 22MF...

Страница 22: ...21 CZCH1H240J C CERA 50V CH 24PF J AXIAL CS28 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP CS30 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP LOC PART CODE PART NAME DESCRIPTION REMARK CS33 CBZF1H104Z C CERA SE...

Страница 23: ...00811 SCREW TAPPTITE TT2 RND 3X8 MFZN I501 1DCT814B IC CHROMA DCT814B 2 I601 1TDA7267A IC AMP TDA7267A I801 4850M04310 MODULE POWER DPM001T1 2 I803 PTX2SW6900 HEAT SINK ASS Y 1K1A7805P1 7174301011 I80...

Страница 24: ...TKSA1013Y TR KSA1013Y TP Q822 TKTC3198Y TR KTC3198Y LOC PART CODE PART NAME DESCRIPTION REMARK Q823 TKSA1013Y TR KSA1013Y TP Q826 TKTC3198Y TR KTC3198Y QC824 T2SC2412KB TR CHIP 2SC2412K T146 BR QC825...

Страница 25: ...R906 RN01B124JS R METAL FILM 1W 120K OHM J SMALL LOC PART CODE PART NAME DESCRIPTION REMARK R907 RN01B124JS R METAL FILM 1W 120K OHM J SMALL RA01 RD AZ104J R CARBON FILM 1 6 100K OHM J RA02 RD AZ101J...

Страница 26: ...U01 HRFT205JCA R CHIP 1 10 2M OHM J 2012 LOC PART CODE PART NAME DESCRIPTION REMARK RCU03 HRFT512JCA R CHIP 1 10 5 1K OHM J 2012 RCU05 HRFT512JCA R CHIP 1 10 5 1K OHM J 2012 RCU06 HRFT362JCA R CHIP 1...

Страница 27: ...40J R CARBON FILM 1 6 24 OHM J RT02 RD AZ472J R CARBON FILM 1 6 4 7K OHM J RT03 RD AZ331J R CARBON FILM 1 6 330 OHM J LOC PART CODE PART NAME DESCRIPTION REMARK RT04 RD AZ331J R CARBON FILM 1 6 330 OH...

Страница 28: ...RTON 4858042700 SW 3 4858038300 DW 3 2086 M811 PAD 4858190200 EPS 14H2 4858190100 EPS 20H2 M822 BAG PE 4858215700 PE FOAM t0 5x1000X950 4858215000 PE FOAM t0 5x1200x1150 PA501 CONNECTOR 4850708N11 BIC...

Страница 29: ...15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 P11 0 AN8 P7 1 AN1 P7 0 AN0 P7 2 AN2 P7 3 AN3 P7 4 AN4 P7 5 AN5 P7 6 AN6 P7 7 AN7 P6 1 EXORout0 HASW P6 0 EXORin ENVS P6 2 EXORout1 CROT P6 3 RTP02 GEN...

Страница 30: ...reen Display function is interior designed 6 Package 100PIN QFP 7 Tuner Pre scaler IIC BUS PLL IC TAU 6014 S SIEMENS 8 REMOCON The IC of transmission MITSUBISHI M50560 9 EEPROM 24AT08 IIC BUS 10 10 Lo...

Страница 31: ...e that comes from the 10 pin of DCT814B 11 P6 6 CAPSTAN I LIMIT OUT Limit the current of CAPSTAN MOTOR Set L during PAUSE STILL 12 P6 5 SP LP EP Tape speed control SP L LP M EP H 13 P6 4 QV SYNC When...

Страница 32: ...r 39 pin is output terminal for crystal oscillator 39 Xout Xout 40 Vss Vss GND Negative power supply 41 P2 2 OSCin3 Not used 42 P2 1 OSCout3 Not used 43 CLK SELECT When MICOM to start decide to 32 768...

Страница 33: ...P9 5 TV EXT Mode change control TV H LINE L 76 P9 4 CAPSTAN PWM Control rotate speed of Capstan Motor Period of PWM 23 4KHz 77 P9 3 DRUM PWM Control rotate speed of Drum Motor Period of PWM 23 4KHz 78...

Страница 34: ...ce input terminal 92 AMP REF OUT Control pulse AMP reference output terminal 93 P8 0 C AMP filter 94 CTL Input control pulse when playing 95 CTL Output control pulse when recording 96 AMP C AMP conden...

Страница 35: ...7 IC DESCRIPTION IC501 DCT814B LA76814B IC VIDEO PROCESSOR Appendix...

Страница 36: ...8 IC DESCRIPTION ICY01 LA71076M IC VCR Y C AUDIO PROCESSOR Appendix...

Страница 37: ...CONTROL MODULE PIN NO DESCRIPTION PIN NO DESCRIPTION 1 GATE DRIVE1 10 12V INPUT 2 OCP 11 POWER CONTROL 3 SOURCE 12 26 OUTPUT 4 GND1 13 GND2 5 GATE 14 133V INPUT 6 GATE DRIVE2 DPM 001 TI KSE 1 2 3 4 5...

Страница 38: ...M U COM 31 ON OFF Check Voltage Check Voltage 133V 45V 10V 12V Check Voltage Check Voltage TUNER 33V H D TRANS 45V 133V R820 C821 D820 L824 Q821 C826 D821 D822 TO I501 34 OCP C822 C823 C829 L823 K1A78...

Страница 39: ...101 SAW FILT IF OUT 5 6 10 10 AFT 8 Check IF Vcc 5V 71 72 SCLK SDATA 12 11 Check Signal Check Voltage 3 4 46 44 Z502 4 5M TRAP Check Waveform 35 36 38 39 Check the X TAL XS02 S01 37 34 Check Reset VCC...

Страница 40: ...FT 8 Check IF Vcc 5V 71 72 SCLK SDATA 12 11 Check Signal Check AGC Voltage 3 54 52 35 36 38 39 Check the X TAL XS02 S01 37 34 Check Reset VCC d C602 Check Voltage Check AUDIO Signal 4 I601 TDA7267A Ch...

Страница 41: ...TUNER ICS01 TIMER SYSCON 33V 5V 65 67 MDATA MCLK I501 Z101 SAW FILT IF OUT 5 6 10 10 AFT 8 Check IF Vcc 5V 71 72 SCLK SDATA 12 11 Check Signal Check AGC Voltage 3 48 49 35 36 38 39 Check the X TAL XS...

Страница 42: ...O COLOR I501 DCT814B 44 Check CVS waveform C527 18 R504 Check the voltage RGB Vcc 9V R OUT G OUT B OUT R505 R506 R507 Check R G B signal 19 21 20 X501 3 58MHz Check the crystal 38 L502 Chroma DEF Vcc...

Страница 43: ...the crystal 38 L502 Chroma DEF Vcc 43 Check the voltage C508 C507 Check the voltage 2 5V V RAMP ALC filter 23 I301 LA7841 R301 5 2 Check vertical output signal Invert RAMP IN OUTPUT VERTICAL D Y Chec...

Страница 44: ...ck signal Check the waveform ICS01 TIMER SYSCON OSD G OSD B BLANK 63 62 60 14 15 16 17 71 72 MCLK MDATA XS02 LS01 16MHz 35 36 38 39 44 45 Check OSD R G B BLK signal 12 11 58 59 H SYNC V SYNC Check the...

Страница 45: ...2 7 REMOTE CONTROL DOES NOT OPERATE S01 14 32KHz Check the crystal Check the voltage ICS01 TIMER SYSCON 100 XS02 KEY 1 16MHz 35 36 38 39 37 34 RESET Vcc 5V 1 KEY 0 IT01 REMOCON PREAMP RT01 Vcc 5V Chec...

Страница 46: ...37 34 RESET Vcc 5V 80 DS03 SS04 SS03 IR LED END SENSOR f START SENSOR RS90 SS02 Vcc 5V TAKE UP SENSOR SUPPLY SENSOR 79 Check waveform g XS01 32KHz Check the crystal ICS01 TIMER SYSCON XS02 16MHz 35 3...

Страница 47: ...z 35 36 38 39 Check D PG FG waveform 2 1 58 59 37 34 RESET Vcc 5V If PG FG no signal then change the DRUM h 98 99 Vcc 5V Vcc 5V Vcc 12V PS02 CAPSTAN CONNECTOR XCS01 32KHz Check the crystal CAP FG Puls...

Страница 48: ...35 36 38 39 37 34 RESET Vcc 5V j 98 99 Vcc 5V Vcc 5V Check the voltage 5V Video Envelope REC H Check the crystal 11 13 Check CTL signal 82 85 If PB RF no signal then change the ICY01 2HEAD DRUM 87 21...

Страница 49: ...e waveform Check the voltage 5V VH SW Pulse REC H Check the crystal 11 13 Check CTL signal I501 CHROMA DCT814B 42 35 If CVS no signal then change the ICY01 CVS 21 54 56 5 7 87 HA Vcc C Vcc CCD Vcc Y V...

Страница 50: ...Check the voltage 5V Check the crystal 11 Check CTL signal I501 CHROMA DCT814B 42 35 If CVS no signal then change the ICY01 CVS 21 54 56 57 87 HA Vcc C Vcc CCD Vcc Y Vcc 12 11 72 71 16 MDATA MCLK Che...

Страница 51: ...Vcc 5V Vcc 5V Check the waveform Check the voltage 5V C ROT Pulse PB L Check the crystal 16 17 Check SCL SDA signal If REC Y C no signal then change the ICY01 2HEAD DRUM 21 54 56 57 87 HA Vcc C Vcc C...

Страница 52: ...16MHz 35 36 38 39 37 34 RESET Vcc 5V 98 99 Vcc 5V Vcc 5V Check the waveform Check the voltage 5V C ROT Pulse PB L Check the crystal 16 17 Check SCL SDA signal If REC Y C no signal then change the ICY0...

Страница 53: ...6MHz 35 36 38 39 37 34 RESET Vcc 5V 98 99 Vcc 5V Vcc 5V Check the voltage 5V PB L REC H Check the crystal 11 17 Check SCL SDA signal 2 87 75 A Vcc HA Vcc 12 26 AUDIO HEAD Invert REC H from ICS01 20 RE...

Страница 54: ...RESET Vcc 5V 98 99 Vcc 5V Vcc 5V Check the waveform Check the voltage 5V INPUT SELCT Check the crystal 55 Check CTL signal 35 AUDIO OUT 87 HA Vcc 12 11 72 71 MDATA MCLK Check MCL MDA signal 42 I501 CH...

Страница 55: ...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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