DAEWOO ELECTRONICS DV-F952N Service Manual Download | Manualshive

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4-13. OSD CIRCUIT

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Summary of Contents for DV-F952N

Page 1: ...DAEWOO ELECTRONICS CO LTD Service Manual MODEL DV F952N...

Page 2: ...nced Frequency response 100 Hz 8KHz Hi Fi 20Hz 20kHz Signal to noise ratio More than 38 dB Hi Fi More than 60dB Audio Distortion Less than 3 SP Hi Fi Less than 0 5 TAPE TRANSPORT Tape width 12 65mm 1...

Page 3: ...ticular 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 antenn...

Page 4: ...SW PULSE PT01 PIN 3 Insert PATH JIG and Press REC button on the remote controller 4 Check the position of the V sync from the rising edge of the SW pulse Standard 6 5H 0 5H SECTION 2 ELECTRICAL ADJUST...

Page 5: ...Connect the Audio level meter to both TP1 and TP2 4 After inserting a blank tape record in SP mode 5 Adjust R290 to obtain 3 0 mVrms 5 TOP VIEW R290 3 0mVrms A CHEAD TP2 TP1 Audio LEVEL METER S N 97P...

Page 6: ...t the oscilloscope to TP1 4 Adjust L101 until the level of signal becomes minimum P102 L104 L105 IC101 3 2 L101 TP1 L108 TP2 L103 Z101 TP6 TP7 IC102 TP3 L109 P101 IC103 L110 TP4 minimum CH 1 Oscillosc...

Page 7: ...ust L104 to obtain the minimum DC voltage of TP2 7 P102 L104 L105 IC101 3 2 L101 TP1 L108 TP2 L103 Z101 TP6 TP7 IC102 TP3 L109 P101 IC103 L110 TP4 CH 1 Oscilloscope GND OUT minimum 3 PIF PCB Component...

Page 8: ...o obtain 2 3V DC Voltage at the A point 8 P102 L104 L105 IC101 3 2 L101 TP1 L108 TP2 L103 Z101 TP6 TP7 IC102 TP3 L109 P101 IC103 L110 TP4 2 3 0 5V CH 1 Oscilloscope GND OUT 3 7 PIF PCB Component Side...

Page 9: ...just L108 to obtain the minimum Noise minimum Level of pin NO 15 of IC102 9 P102 L104 L105 IC101 L101 TP1 L108 TP2 L103 Z101 TP6 TP7 IC102 TP3 L109 P101 IC103 L110 TP4 minimum noise level CH 1 Oscillo...

Page 10: ...level of TP3 5 Adjust L110 to obtain the maximum level of TP4 10 P102 L104 L105 IC101 L101 TP1 L108 TP2 L103 Z101 TP6 TP7 IC102 TP3 L109 P101 IC103 L110 TP4 CH 1 Oscilloscope CH 2 GND OUT LEFT RIGHT P...

Page 11: ...PT02 4 Adjust R190 to obtain 6 0 0 2V DC 11 CH 1 Oscilloscope MAIN PCB RF Signal PAL B G Color Bar or 100 white CH 21 CH 471 25MHz UHF BAND RF102 RF101 JPT02 RF103 R190 6 0 0 2V Input Level 70 1 dB V...

Page 12: ...um DC voltage of TP2 12 97P651111A P102 P101 TP1 CH 1 Oscilloscope SIGNAL GENERATOR GND OUT fc 39 5MHz I 38 9MHz B G Output Level 80dB V 75 loaded minimum 2 3 R103 J1 L104 L105 Z101 C107 C106 IC101 TP...

Page 13: ...1111A P102 P101 TP1 SIGNAL GENERATOR GND OUT fc 39 5MHz I fc 38 9MHz B G fm 15 625KHz 30 AM MODULATION Output Level 80 dB V 75 loaded 2 3 0 5V 2 3 R103 J1 L104 L105 Z101 C107 C106 IC101 L103 TP2 J4 C1...

Page 14: ...vel of TP3 14 97P651111A P102 P101 TP1 CH 1 Oscilloscope SIGNAL GENERATOR GND OUT fc 39 5MHz I 38 9MHz B G fm 15 625KHz 30 AM MODULATION Output Level 80 dB V 75 loaded minimum noise level 3 R103 S2 J3...

Page 15: ...102 P101 TP1 CH 1 Oscilloscope SIGNAL GENERATOR GND OUT fc 6 0MHz I 5 5MHz B G fm 1KHz 50kHz FM MODULATION Output Level 100dB V 75 loaded L109 3 R103 J1 L104 L105 Z101 C107 C106 IC101 L103 TP2 J4 C115...

Page 16: ...JPT02 4 Adjust R190 to obtain 6 0 0 2V DC 16 CH 1 Oscilloscope MAIN PCB RF Signal PAL B G Color Bar or 100 white CH 21 CH 471 25MHz UHF BAND RF102 RF101 JPT02 RF103 R190 6 0 0 2V Input Level 60 dB V I...

Page 17: ...17 4 2 CONNECTION DIAGRAM CIRCUIT DV F952N...

Page 18: ...18 4 3 POWER CIRCUIT...

Page 19: ...19 4 4 SERVO LOGIC CIRCUIT...

Page 20: ...20 4 6 LOGIC CIRCUIT DV F952N...

Page 21: ...21 4 7 HEAD AMP CIRCUIT...

Page 22: ...22 4 8 VIDEO CIRCUIT...

Page 23: ...23 4 9 Hi Fi AUDIO...

Page 24: ...24 4 10 PIF NICAM MODULE...

Page 25: ...25 4 11 PIF MPX CIRCUIT 2 CARRIER...

Page 26: ...26 4 12 PIF CIRCUIT...

Page 27: ...27 4 13 OSD CIRCUIT...

Page 28: ...28 4 14 VPS PDC CIRCUIT...

Page 29: ...29 4 15 IN OUT SW CIRCUIT I...

Page 30: ...30 4 16 IN OUT SW CIRCUIT II...

Page 31: ...31 4 17 REMOCON CIRCUIT DV F952N...

Page 32: ...01 168K88E6ML PIN NO MODE REC PB REMARK 1 2 4 2 3 Conditions 2 2 3 2 3 No signal 3 2 1 2 2 4 2 5 2 5 5 1 4 0 9 6 4 9 4 9 7 4 9 4 9 8 2 3 2 7 9 3 6 3 6 10 1 7 2 7 PIN N MODE REC PB REMARK 11 0 0 12 0 0...

Page 33: ...2 0 3 0 4 2 8 5 2 4 6 5 7 5 8 5 9 0 10 0 5 11 28 12 0 13 0 14 17 2 15 14 1 16 17 1 17 20 18 17 19 17 20 0 21 0 PIN NO MODE REC 22 7 8 23 20 24 23 25 23 26 24 27 24 28 0 29 0 30 21 31 21 32 21 33 21 34...

Page 34: ...E REC PB 22 0 0 23 2 5 2 4 24 2 2 2 4 25 0 0 26 2 2 4 27 0 0 28 1 8 1 8 29 2 4 0 30 0 0 31 3 8 3 8 32 2 5 2 5 33 2 2 34 4 8 4 8 35 0 1 5 36 2 8 1 6 37 2 8 1 6 38 2 2 2 39 1 8 2 40 4 4 2 41 1 5 0 8 42...

Page 35: ...0 7 0 4 9 8 2 7 0 9 0 0 10 2 2 3 5 11 0 3 5 12 0 1 6 13 2 5 2 5 14 5 4 5 15 5 5 PIN NO MODE REC PB 16 0 1 6 17 0 4 18 0 0 19 2 0 3 6 20 0 7 0 21 0 4 0 22 2 0 3 6 23 0 7 0 24 0 4 0 25 0 0 26 0 0 27 0...

Page 36: ...22 6 6 23 24 25 5 5 5 5 26 5 5 5 5 27 28 3 8 3 8 29 3 8 3 8 30 0 0 31 3 8 3 8 32 0 5 PIN NO MODE REC PB 33 6 6 34 3 8 3 8 35 3 8 3 8 36 3 8 3 8 37 3 8 3 8 38 3 8 3 8 39 3 8 3 8 40 3 8 3 8 41 2 42 3 8...

Page 37: ...DE REC PB 13 4 8 5 14 4 0 15 4 0 16 0 0 8 17 0 0 5 18 0 0 19 0 0 5 20 0 0 8 21 0 0 22 4 0 23 0 5 0 24 0 8 0 Tr NO PORT COLLECTOR BASE EMITTER Q200 0 0 0 1 5 0 0 Q201 0 0 0 1 5 0 0 Q202 0 0 0 1 5 0 0 Q...

Page 38: ...VE 37 RESET RESET INPUT PORT LOW 38 Xin 16MHZ OSC IN 39 Xout 16MHZ OSC OUT 40 CLK SEL RESET 32KHZ OSCILLATION LOW 41 Vss GND 42 Xcin 32 768KHZ OSC IN 43 Xcout 32 768KHz OSC OUT 44 TV LINE TV LINE PORT...

Page 39: ...9 NO NAME ASSIGNMENT ACTIVE 76 CTL SWout REFERENCE TO CTL CIRCUIT 77 CTL REFERENCE TO CTL CIRCUIT 78 CTL REFERENCE TO CTL CIRCUIT 79 GND GND 80 GND GND 81 Vcc Vcc 82 A D Reference REFERENCE Vcc 83 TAP...

Page 40: ...97P4803100 POLY BAG FOR SET 1 P E FOAM 3 97PB0959S SET TOTAL ASS Y 1 4 97P5039900 BOX CARTON 1 EX300 NSCP150 NEX300 5 97P8804213 CABLE RF 1 PAL 1 5M 6 486A716200 BATTERY 2 AAA 7 97P0424100 COVER ACCE...

Page 41: ...5 11 97P0455810 COVER BOTTOM 1 SECC T0 4 12 7173401211 SCREW TAPPTITE 3 TT2 BIN 4X12 MFZN DEC 13 7173401211 SCREW TAPPTITE 2 TT2 BIN 4X12 MFZN BOAR 14 7173401012 SCREW TAPTITE 5 TT2 BIN 4X10 BK MFZN C...

Page 42: ...2W 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 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 Tolera...

Page 43: ...Q Mica Oil T Tantal Voltage 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 Coeffic...

Page 44: ...V 0 01MF Z 2012 C189 CEXF1E470V C ELECTRO 25V RSS 47MF 5X11 TP C190 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 REF PART CODE PART NAME PART DESCRIPTION C191 CEXF1E470V C ELECTRO 25V RSS 47MF 5X11 TP...

Page 45: ...603 CEXF1C470A C ELECTRO 16V RSM 47MF 6 3X7 TP C605 CEXF1C470A C ELECTRO 16V RSM 47MF 6 3X7 TP REF PART CODE PART NAME PART DESCRIPTION C606 HCQK180JCA C CHIP CERA 50V CH 18PF J 2012 C607 HCQK180JCA C...

Page 46: ...0 65 TIN COATING REF PART CODE PART NAME PART DESCRIPTION JPT02 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JPT03 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LS01 5CPX101J COIL PEAKING PL 100U...

Page 47: ...J 2012 REF PART CODE PART NAME PART DESCRIPTION R176 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R178 HRFT105JCA R CHIP 1 10 1M OHM J 2012 R179 HRFT272JCA R CHIP 1 10 2 7K OHM J 2012 R182 HRFT103JCA R CHIP...

Page 48: ...HIP 1 10 150K OHM J 2012 R607 RD AZ471J R CARBON FILM 1 6 470 OHM J R608 RD AZ471J R CARBON FILM 1 6 470 OHM J REF PART CODE PART NAME PART DESCRIPTION R609 RD AZ471J R CARBON FILM 1 6 470 OHM J R610...

Page 49: ...HRFT103JCA R CHIP 1 10 10K OHM J 2012 R680 RD AZ473J R CARBON FILM 1 6 47K OHM J F01 97P6900910 CORDPOWERAS EUROP KKP 419C BS201R 2 36TX2 IC601 168KF8U8TS IC MICOM M37774M5H 519GP F8U8TS 1 2 CARRIER...

Page 50: ...RE LEAD AWG22 1 0 65 YW 10 90 10 L101 56B440K466 COIL PIF DRF 1336 L103 56C159K635 COIL CHOKE TRF 3615 1 5 UH CAN L104 56B139K463 COIL PIF TRF 1335 REF PART CODE PART NAME PART DESCRIPTION L105 56E139...

Page 51: ...HIP CERA 50V CH 100PF J 2012 C172 HCQK101JCA C CHIP CERA 50V CH 100PF J 2012 C173 HCBK223KCA C CHIP CERA 50V X7R 0 022MF K 2012 C174 HCBH104KCA C CHIP CERA 25V X7R 0 1MF K 2012 C175 HCBH104KCA C CHIP...

Page 52: ...7X139X1 6T 3 802D AR I X102 5XE08R192C CRYSTAL QUARTZ HC 49 U 8 192MHZ 20PPM 1 B G NICAM ONLY PCB IF MODULE NICAM OPTION TABLE REF PART CODE PART NAME PART DESCRIPTION C108 HCQK560JCA C CHIP CERA 50V...

Page 53: ...1N4148 AUTO 52MM D166 DZN4148 DIODE 1N4148 AUTO 52MM ICV01 12HV5649 IC VPS PDC SDA5649 REF PART CODE PART NAME PART DESCRIPTION JL01 97P6310500 SOCKET RGB DSR9404B BLACK JL02 97P6310500 SOCKET RGB DSR...

Page 54: ...JP002 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING REF PART CODE PART NAME PART DESCRIPTION JP003 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 2 DV F802 SERIES 1 DV F952N PCB A V 1 SW OPTION TAB...

Page 55: ...1L 5R1 DL26 DZN4148 DIODE 1N4148 AUTO 52MM DL27 DZA105R1L DIODE ZENER MA 1051L 5R1 DL28 DZN4148 DIODE 1N4148 AUTO 52MM REF PART CODE PART NAME PART DESCRIPTION DL29 DZA105R1L DIODE ZENER MA 1051L 5R1...

Page 56: ...4148 DIODE 1N4148 AUTO 52MM GH01 97P2331900 HOLDER DIGITRON PP G701 D8MT88GK DIGITRON V F D 8MT 88GK H701 1GP3U771R IC UNIT R RECEIVER GP3U771R IC701 1M34240M2 IC DRIVER M34240M2 011SP IC702 1K1A7042P...

Page 57: ...1N4148 AUTO 52MM D708 DZN4148 DIODE 1N4148 AUTO 52MM D709 DZN4148 DIODE 1N4148 AUTO 52MM D710 DZN4148 DIODE 1N4148 AUTO 52MM D711 DZN4148 DIODE 1N4148 AUTO 52MM D712 DZN4148 DIODE 1N4148 AUTO 52MM D71...

Page 58: ...271900 CONN WAFER ANGLE 00 8283 1111 00000 R701 RD AZ105J R CARBON FILM 1 6 1M OHM J R702 RD AZ473J R CARBON FILM 1 6 47K OHM J R703 RD AZ473J R CARBON FILM 1 6 47K OHM J R708 85801065GY WIRE COPPER A...

Page 59: ...AL CA36 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 CA37 HCLK509CCA C CHIP CERA 50V SL 5PF C 2012 CB01 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 REF PART CODE PART NAME PART DESCRIPTION CB02 HCFK1...

Page 60: ...PER AWG22 1 0 65 TIN COATING LA01 5CPX100J COIL PEAKING PL 10UH J TAPPING LA02 5CPX391J COIL PEAKING 390UH J RADIAL LA03 5CPX101J COIL PEAKING PL 100UH J TAPPING REF PART CODE PART NAME PART DESCRIPTI...

Page 61: ...J008 HRF8000 EA R CHIP 1 8 0 OHM 3216 RK02 HRFT392JCA R CHIP 1 10 3 9K OHM J 2012 REF PART CODE PART NAME PART DESCRIPTION RK08 HRFT391JCA R CHIP 1 10 390 OHM J 2012 RK09 HRFT104JCA R CHIP 1 10 100K O...

Page 62: ...148 AUTO 52MM D21 DSB160L DIODE SCHOTTKY SB160L 5700 60V 1A D22 DUF4007L DIODE UF4007L 5700 1000V 1A D23 DBYV27 200 DIODE BYV27 200 200V 2A REF PART CODE PART NAME PART DESCRIPTION D24 DUF5404LS DIODE...

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