Daewoo DV-F24J, Manual

Page 1: ...ono type connector more than 47K ohms 8 dBm unbalanced Output Audio line out Phono type connector less than 1K ohms 6dBm more than 47K ohms load unbalanced Frequency response 100 Hz 10KHz SP Signal to...

Page 2: ...ur particular country and locality 4 Leakage current test Confirm specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF terminals...

Page 3: ...IF OSD BLOCK DIAGRAM 29 SECTION 5 CIRCUIT DIAGRAM 5 1 CONNECTION DIAGRAM 30 5 2 POWER CIRCUIT SMPS 31 5 3 SYSCON CIRCUIT 33 5 4 TIMER CIRCUIT 34 5 5 PIF INPUT SELECTOR CIRCUIT 35 5 6 HEAD AMP CIRCUIT...

Page 4: ...SECTION 1 CONTROLS AND 2 POWER EJECT REC OTR CH TRACK REW FF PLAY STOP FRONT DV F24J VIDEO AUDIO CH 1 CH 2 RF OUT ANT IN IN OUT REAR...

Page 5: ...at 6 5 0 5H from the rising edge of sw pulse Adjustment Inspection Standard 6 5 0 5 H SECTION 2 ELECTRICAL ADJUSTMENT Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal CH 1 PT0...

Page 6: ...er the scope with CH2 5 Adjust R395 to obtain 0 5 0 01 Vp p between the sync tip and 100 white level Adjustment Inspection Standard 0 5 0 01 Vp p 4 Mode Adjustment Parts Check Point Test Equipments Te...

Page 7: ...to obtain 2 0 0 2 Vp p between the sync tip and 100 white level Adjustment Inspection Standard 2 0 0 2 Vp p 5 Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal CH 1 TJ313 PB 396...

Page 8: ...th CH1 5 Adjust R494 until the 3 58 MHz component of multiburst signal becomes minimum Adjustment Inspection Standard Minimum 6 Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal...

Page 9: ...check point 4 Adjust R391 to obtain 3 33 0 1 MHz Adjustment Inspection Standard 3 33 0 1 MHz 7 Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal TJ391 STOP R391 GND Freq Counter...

Page 10: ...th CH1 5 Adjust R399 until Y recording current becomes minimum 6 Adjust R491 to obtain 80 5 mV Adjustment Inspection Standard 80 5 mV 8 Mode Adjustment Parts Check Point Test Equipments Test Tape Inpu...

Page 11: ...th CH1 5 Adjust R399 to obtain 300 10 mV at the position of SYNC Adjustment Inspection Standard 300 10 mV at the position of SYNC 9 Mode Adjustment Parts Check Point Test Equipments Test Tape Input Si...

Page 12: ...ation of recording playback frequency characteristics compared with 1KHz Recording playback output level 10KHz Recording playback output level is higher than the standard increase the record bias and...

Page 13: ...ND into the primary GND But there is no connection when check the secondary circuit When change IC801 check FUSE and Cement resistance surely 11 Prepare the instrument connecting the insulating trans...

Page 14: ...ans output of No output stage Check the DIODE of NO output stage Check COIL C of No output stage Check the environmental terminals of IC801 Change D811 and check IC801 and primary circuit YES NO YES Y...

Page 15: ...s supplied to pin and of IC701 1 2 3 Is 5V at pin of IC701 7 Check X701 Check IC701 and change Check the Fuse of F802 Is 5V supplied to CATHOD of D712 Is 28V at D614 anode Check D814 and primary power...

Page 16: ...serial of pin of IC701 65 67 69 It has not power failure compensation operation When disconnecting the power cord is 3 6V at pin and of IC601 26 81 Do pin and of IC601 oscillate 42 Is 5V applied to p...

Page 17: ...or 4 channel Change and check the connection of CABLE Power On and select the VCR mode by pressing the TV VCR key YES YES YES YES NO NO NO D Set the TV channel to VCR 3 or 4 channel Check the Video Au...

Page 18: ...ck R518 and C511 Check IC601 YES YES YES YES YES YES YES NO NO NO NO NO NO A Playback picture is not good Noise appears although adjusting tracking Is CTL pulse applied to pin of IC601 Noise shakes up...

Page 19: ...uit Auto stop during playback Is Reel pulse applied to pin and of IC601 5 6 Check Flow A Is SW pulse supplied from pin of IC601 16 Check D PG input and connector Check pattern Check connector Head Amp...

Page 20: ...pin of P501 2V 3 5V Is pin of P601 2 5V Is pin C PWM of IC601 Supplied Check connector and Motor 67 4 1 18 18 Check power circuit Check C505 R506 R507 and C516 Check IC601 Check power circuit Check c...

Page 21: ...the Power cord Is EVER 5V supplied Does X601 crystal oscillate Do S DATA CLK and RDY Signals of IC601 exchange with IC701 Is CAM SW DATA Correct Check IC602 Check IC 601 Check power circuit Check IC60...

Page 22: ...ied Check power circuit Is there the changes CAM DATA when CST IN Is 5V applied to pin of IC602 when CST IN 4 Chek IC602 Check connector Check DECK part Is 5V supplied at pin of IC601 Check PATTERN 45...

Page 23: ...in of IC201 Is 9V applied to pin of IC201 Check Q204 and power circuit 7 Is 5V applied to pin of IC201 11 Is pin of IC201 0V 24 Is there Audio output pin of IC201 10 Is pin of IC201 GND 3 Check P601 a...

Page 24: ...IC201 21 Does T201 oscillate Check circuit adjacent to IC151 Check IC601 Check IC201 Is the voltage above 10V at pin of T201 Check Q201 collector above 10V Base 0V Check T201 Is record current 3 0mVrm...

Page 25: ...FF 12V circuit Check IC601 pin Tuner mode H Line mode L Check PCB pattern Is 5V supplied to pin and of IC301 24 29 Check power circuit Check IC301 pin EE mode L PB mode H Check IC601 pin 29 Change IC3...

Page 26: ...Check IC601 pin Check IC301 Check IC301 pin EE mode L PB mode H Check Q301 Check QA02 QA03 Is composite video signal output from IC301 pin 11 1 2 6 Check power circuit Check IC601 pin Claen head or ch...

Page 27: ...circuit 14 12 1 2 31 NO YES YES NO NO YES NO C REC VIDEO SIGNAL N G YES Check R399 R491 YES Is REC H Signal supplied at IC401 pin Check REC H Is REC singnal output from IC401 pin SP mode pin EP mode p...

Page 28: ...Check ON OFF 5V Check XS01 14 3MHz Check IC601 3 16 17 4 5 20 Is 5V supplied at ICS01 and pins 7 Is serial data input into ICS01 pin 3 4 5 Check oscillation of ICS01 16 17 Change ICS01 Check ON OFF 5...

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Page 43: ...ICS01 168K24J5JL PIN NO MODE TV LINE 1 2 3 2 3 2 2 3 2 3 3 4 9 4 9 4 0 2 0 2 5 0 1 0 1 6 4 1 4 1 7 4 9 4 9 8 2 6 2 6 9 3 0 3 0 10 2 6 2 6 PIN NO MODE TV LINE 11 0 0 12 0 0 13 0 0 14 0 0 15 0 0 16 2 3...

Page 44: ...5 0 7 5 0 8 5 0 9 0 10 0 5 11 23 6 12 0 5 13 0 14 20 1 15 20 1 16 20 1 17 20 18 23 2 19 23 2 20 0 21 0 PIN NO MODE REC 22 7 5 23 19 9 24 20 1 25 23 2 26 23 3 27 23 3 28 0 29 0 30 23 3 31 23 3 32 23 3...

Page 45: ...3 1 5 0 4 0 0 5 8 9 8 9 6 3 5 3 5 7 9 0 9 0 8 3 5 3 5 9 0 0 10 3 5 3 5 11 0 4 9 12 4 0 4 0 PIN NO MODE REC PB 13 3 2 3 2 14 0 0 15 4 1 4 1 16 4 1 4 1 17 0 0 18 4 1 4 1 19 4 1 4 1 20 0 0 21 4 1 4 1 22...

Page 46: ...2 1 2 1 10 0 0 11 2 4 2 4 12 2 4 2 4 13 2 0 2 0 14 3 0 3 0 15 2 4 2 4 16 2 2 2 2 17 3 7 3 7 18 2 3 2 3 PIN NO MODE REC PB 19 3 2 3 2 20 3 2 3 2 21 1 7 4 0 22 1 9 1 9 23 1 6 1 6 24 4 8 4 8 25 4 1 4 1 2...

Page 47: ...1 7 13 1 7 0 14 1 6 1 6 15 1 6 1 6 PIN NO MODE REC PB 16 0 0 17 3 9 0 18 0 0 6 19 0 0 20 4 1 0 21 4 1 0 22 0 0 6 23 0 0 24 0 0 25 0 0 26 0 0 27 0 0 28 0 0 29 0 0 30 0 0 PIN NO MODE REC PB 1 0 2 0 5 3...

Page 48: ...WD RVS L H 14 PB L PLAY LOW LOW 15 C ROTARY COLOR ROTARY PULSE 16 H A SWP HEAD AMP SWITCHING PULSE 17 ENVE COMP ENVELOPE COMPARE PULSE 18 V SWP VIDEO SWITCHING PULSE 19 Q Vsync Q Vsync PULSE L NO NAME...

Page 49: ...Vref OUT AMP REFERENCE Vcc 70 Vref In AMP REFERENCE Vcc 71 CLAMP REFERENCE TO CTL CIRCUIT NO NAME ASSIGNMENT ACTIVE 72 CLAMP REFERENCE TO CTL CIRCUIT 73 CTLAMPout REFERENCE TO CTL CIRCUIT 74 AMPC REF...

Page 50: ...313 5 0 5 0 4 7 0 4 2 4 9 Q315 2 4 0 1 7 Q316 1 6 0 3 0 0 2 3 0 Q317 3 8 0 5 0 5 0 4 5 0 Q402 1 6 0 6 0 0 0 9 0 Q403 1 7 4 9 2 3 Q405 0 0 1 0 5 3 VIDEO 4 VIDEO HEAD AMP PB mode REC mode PB mode REC mo...

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Page 53: ...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 0 mm G 17 5 mm H 20 0 mm J 22 5 mm K 25 0 mm X Auto Insertion Z Auto Insertion Tolerance Symbol Tolerance F 1 G 2 J 5 K 10 M 20 N 30 Valu...

Page 54: ...ster Q Mica Oil T Tantal Distance Code Voltage 0J 6 3V 1A 10V 1C 16V 1D 20V 1E 25V 1V 35V 1G 40V 1H 50V 1J 63V 2A 100V 2B 125V 2C 160V 2D 200V 2E 250V 2F 315V Characteristic Capacitance Temperature Co...

Page 55: ...ELECTRO RS 25V 47MF 6 3X11 C207 CEXE1H479A C ELECTRO 50V RS 4 7MF 5X11 TP C208 CMXM2A103J C MYLAR 100V 0 01MF J TAPPING REF PART CODE PART NAME PART DESCRIPTION C209 CEXE1H108A C ELECTRO 50V RS 0 1MF...

Page 56: ...22 1 0 65 TIN COATING C503 HCFK104ZCA C CHIP CERA Y5V 50V 0 1MF Z 2012 C504 CEXF1H100A C ELECTRO 50V RSM 10MF 5X8 5 TP REF PART CODE PART NAME PART DESCRIPTION C505 CEXE1H100A C ELECTRO RS 50V 10MF 5x...

Page 57: ...M D303 DZN4148 DIODE 1N4148 AUTO 52MM D304 DZN4148 DIODE 1N4148 AUTO 52MM D305 DZN4148 DIODE 1N4148 AUTO 52MM D401 DZN4148 DIODE 1N4148 AUTO 52MM D405 DZN4148 DIODE 1N4148 AUTO 52MM D501 DZN4148 DIODE...

Page 58: ...AD BFS3550AOF PT01 97P6269000 CONN WAFER 00 8283 0612 00000 P202 97P8851210 CONN AS Y51210 2 0 2P 100MM P501 97P6291736 CONN WAFER TKC M08P B1 P601 97P6291741 CONN WAFER TKC M18P B1 P602 97P8810B14 CO...

Page 59: ...2 R214 RD AZ102J R CARBON FILM 1 6 1K OHM J R215 RD AZ472J R CARBON FILM 1 6 4 7K OHM J 2012 REF PART CODE PART NAME PART DESCRIPTION R216 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R217 HRFT103JCA R CHIP...

Page 60: ...LM 1 6 1 5K OHM J R491 RV5426302E R SEMI FIXED RH 0638C 3K OHM R494 RV5426102E R SEMI FIXED H1K 5X3 6Y PC GS REF PART CODE PART NAME PART DESCRIPTION R501 HRFT302JCA R CHIP 1 10 3K OHM J 2012 R502 RD...

Page 61: ...W 10 OHM J R811 HRFT221JCA R CHIP 1 10 220 OHM J 2012 R812 RD 4Z562J R CARBON FILM 1 4 5 6K OHM J R813 RD AZ221J R CARBON FILM 1 6 220 OHM J R814 RD AZ183J R CARBON FILM 1 6 18K OHM J R815 RD AZ103J R...

Page 62: ...02J R CARBON FILM 1 6 1K OHM J R711 RD AZ103J R CARBON FILM 1 6 10K OHM J R712 RD AZ104J R CARBON FILM 1 6 100K OHM J R713 RD AZ104J R CARBON FILM 1 6 100K OHM J R714 RD AZ103J R CARBON FILM 1 6 10K O...

Page 63: ...CONN HOUSING 00 8370 041 000 800 PA02 4859241920 CONN WAFER YEAW025 08 PA03 4859241920 CONN WAFER YEAW025 08 QA02 TZTC3198Y TR KTC3198Y 1815Y AUTO REF PART CODE PART NAME PART DESCRIPTION QA03 TZTC31...