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FUNAI 31C-850, Руководство по обслуживанию

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SECAM

PAL

SERVICE MANUAL

Main Section

I

 Specifications

I

 Preparation for Servicing

I

 Adjustment Procedures

I

 Schematic Diagrams

I

 CBA’s

I

 Exploded views

I

 Parts List

When servicing the deck 
mechanism, refer to MK14 Deck 
Mechanism Section.

Deck Mechanism Part No.: 
N25E0FL

VIDEO CASSETTE RECORDER

PA L

31C-850

31D-864

Содержание 31C-850

Страница 1: ...Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA s I Exploded views I Parts List When servicing the deck mechanism refer to MK14 Deck Mechanism Section Deck Mechanism Part...

Страница 2: ...6 1 How to Initialize the VCR 1 7 1 Function Indicator Symbols 1 8 1 Block Diagrams 1 9 1 Schematic Diagrams CBA s and Test Points 1 10 1 Waveforms 1 11 1 Wiring Diagrams 1 12 1 IC Pin Function Descr...

Страница 3: ...urst 1 4 Video Color S N AM R P dB 37 41 SP Mode 1 5 Video Color S N PM R P dB 30 36 SP Mode 1 6 Resolution PB Line 230 245 SP Mode 2 Servo 2 1 Jitter Low sec 0 07 0 12 SP Mode 2 2 Wow Flutter 0 3 0 5...

Страница 4: ...especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3...

Страница 5: ...ts RF termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Powe...

Страница 6: ...flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pac...

Страница 7: ...by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC i...

Страница 8: ...s Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may...

Страница 9: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 M on the workbench or other surfa...

Страница 10: ...nto the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP507 S INH to GND This will stop the function of T...

Страница 11: ...ul not to break them 1 Remove five Screws S 2 three Screws S 3 and Screw S 4 Then slowly lift the VCR Chassis Unit Deck Assembly Jack CBA and Main CBA up 2 When reassembling solder wire jumpers as sho...

Страница 12: ...1 5 2 HM4N0DC Fig D2 L 2 L 1 2 Front Assembly L 2 Fig D3 S 2 S 2 S 4 S 2 S 2 S 3 S 3 S 3 3 VCR Chassis Unit Fig D4 S 5 4 Jack CBA Desolder...

Страница 13: ...r Assembly From ACE Head Assembly Lead with white stripe Lead with blue stripe Desolder from bottom Lead with blue stripe From Capstan Motor Assembly Lead connections of Deck Assembly and Main CBA Pri...

Страница 14: ...cope Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape FL6A Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symp...

Страница 15: ...no timer programming is set If not reset all timer programming 2 Turn the power off 3 Press the STOP EJECT button and CHANNEL K button on the unit simultaneously for at least 2 seconds Upon completio...

Страница 16: ...tv screen when you press the operation buttons Display panel MODE INDICATOR ACTIVE POWER ON PWR ON CASSETTE IN CASSETTE OUT ON OFF CLOCK 88 88 ON REC REC ON REC PAUSE REC Blinks at 0 8Hz interval T R...

Страница 17: ...tion Cause Indicator Active When reel or capstan mechanism is not functioning correctly A R is displayed on a TV screen Refer to Fig 1 When tape loading mechanism is not functioning correctly A T is d...

Страница 18: ...L TU701 TUNER UNIT IC503 MEMORY 72 71 32 19 83 IIC BUS SCL D V SYNC D REC H RF SW H A SW C ROTA IIC BUS SDA DAVN L 56 DAVN L H A COMP V ENV C SYNC IIC BUS SCL 3 5 SDA SCL 12 11 LD SW 9 AL 12V 20 5V P...

Страница 19: ...NIT IC503 MEMORY 72 71 32 19 83 IIC BUS SCL D V SYNC D REC H RF SW H A SW C ROTA IIC BUS SDA DAVN L 56 DAVN L H A COMP V ENV C SYNC IIC BUS SCL 3 5 SDA SCL 12 11 LD SW 9 AL 12V 20 5V P ON 15V AL 5V AL...

Страница 20: ...L MUTE 11 6 PB ON SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS 15 13 17 3 AUDIO PB REC CN504 4 A COM 6 AE H 5 AE H FE H AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE...

Страница 21: ...8 6 11 6 11 AUDIO R IN1 9 AUDIO L IN1 7 9 7 AUDIO R OUT1 5 AUDIO L OUT1 AUDIO R IN2 AUDIO L IN2 AUDIO R OUT2 AUDIO L OUT2 11 5 11 IC451 Hi Fi AUDIO R HEAD Hi Fi AUDIO L HEAD CYLINDER ASSEMBLY Hi Fi A...

Страница 22: ...7 18 T1 6A L 250V Q055 Q059 SHUNT REGULATOR CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F001 is blown check to see that all components in th...

Страница 23: ...itute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these draw in...

Страница 24: ...n original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Mode SP REC 5 Volta...

Страница 25: ...1 10 3 HM453SCM1 Main 1 8 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 26: ...Models and Marks MODEL MARK 31C 850 A 31D 864 B HM453SCM2 D1 D2 D3 D4 a b c d e f g c d e f g c d e f g c d e f g h j i a b c d e f g a b a b a b FP562 MATRIX CHART D1 D2 D3 D4 a b c d e g f Main 2 8...

Страница 27: ...1 10 5 HM453SCM3 Main 3 8 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 28: ...1 10 6 HM453SCM4 Main 4 8 Jack Sub Jack Schematic Diagram...

Страница 29: ...fire hazard replace only with the same type fuse CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F001 is blown check to see that all components...

Страница 30: ...1 10 8 HM453SCM6 Main 6 8 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 31: ...1 10 9 HM453SCM7 Main 7 8 Schematic Diagram A Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 32: ...1 10 10 HM455SCM8 Main 8 8 Schematic Diagram B Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 33: ...1 10 11 HM453SCAFV AFV Schematic Diagram Comparison Chart of Models and Marks MODEL MARK 31C 850 A 31D 864 B...

Страница 34: ...is used in this unit If Main Fuse F001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may c...

Страница 35: ...s unit If Main Fuse F001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some compo...

Страница 36: ...1 10 14 BHM450F01011C Jack CBA Top View Jack CBA Bottom View...

Страница 37: ...1 10 15 AFV CBA Top View AFV CBA Bottom View Sub Jack CBA Top View Sub Jack CBA Bottom View BE6800F01091 BHM450F01011B...

Страница 38: ...LOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL WF1 WF3 WF3 V OUT E E 10 s 50mV x 10 J23 WF3 UPPER WF1 LOWER V OUT 0 1V x 10 RF SW 0 5V x 10 50 s J23 TP502 WF2 C PB 10mV x 10 RF SW 0 5V x 10 5ms UPPER LOWER WF1...

Страница 39: ...7 8 9 10 11 CN151 CN101 FULL ERASE HEAD FE HEAD VIDEO R 1 HEAD VIDEO L 1 HEAD SIF 1 TU AUDIO 2 TU AUDIO R 3 GND 4 TU AUDIO L 5 P ON 5V 6 P ON 5V 7 IIC BUS SCL 8 IIC BUS SDA 9 1 2 3 4 5 6 7 8 9 CN701...

Страница 40: ...12 NU Not Used 13 OUT D V SYNC Dummy V sync Output H Hi z 14 IN REMOCON IN Remote Control Sensor L 15 OUT C ROTA Color Phase Rotary Changeover SIgnal H L 16 OUT H A SW Video Head Amp Switching Pulse H...

Страница 41: ...l Name Function Active Level 65 A OUT TRICK H Special Playback H in SECAM Mode H B NU Not Used 66 OUT C POW SW CapstanPower Switching Signal H L 67 OUT P ON H Power On Signal at High H 68 OUT DRV DATA...

Страница 42: ...1 AMPVRE F OUT V Ref for CTL AMP 92 AMPVRE Fin V Ref for CTL AMP 93 P80 C P80 C Terminal 94 IN OUT CTL Playback Record Control Signal H L 95 IN OUT CTL Playback Record Control Signal H L 96 AMPC CTL A...

Страница 43: ...GP U1 KRA103M AT P KRC103M AT P KTA 1266 GR AT P KTA1267 GR Y AT P KTC3199 BL GR Y AT P RN2204 TE4 F T 2SA1015 GR TE2 F T 2SA1020 Y TE6 F M 2SC1815 BL GR Y TE2 F T KTA1281Y AT P KTC3203 Y AT P KTC3205...

Страница 44: ...1 15 1 HM452FEX EXPLODED VIEWS Front Panel A1X...

Страница 45: ...equence 2B18 A2 2L011 2L011 2L011 2L011 2L011 2B9 2B9 2L022 2L022 2L012 JACK CBA A5 2L041 A10 A19 2L031 2L099 2L041 2B7 SENSOR CBA 2B8 2B46 A7 A3 2L042 2L021 2L021 2L021 2L021 2L021 2B5 2L051 1B1 2L04...

Страница 46: ...453PEX Packing A S7 X6 Some Ref Numbers are not in sequence X3 X20A X20B X20C X20D X20E X20G X20F X20H X1 X4 S1 Unit S3 A14 S2 S2 X2 Comparison Chart of Models and Marks Model Mark 31C 850 31D 864 A B...

Страница 47: ...2L012 SCREW P TIGHT 3X10 BIND HEAD GBCP3100 2L021 SCREW P TIGHT M3 10 WASHERHEAD GCJP3100 2L031 SCREW S TIGHT M3X6 BIND HEAD GBJS3060 2L041 SCREW P TIGHT M3X8 BIND HEAD GBJP3080 2L042 SCREW P TIGHT M...

Страница 48: ...100 F 16V M or CE1CMASDL101 ELECTROLYTIC CAP 100 F 16V M CE1CMASTM101 C020 ELECTROLYTIC CAP 1000 F 16V M or CE1CMASDL102 ALUMINUM ELECTROLYTIC CAP 1000 F 16V M CE1CMZPTM102 C021 ELECTROLYTIC CAP 470...

Страница 49: ...04 Ref No Mark Description Part No CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C338 ELECTROLYTIC CAP 100 F 6 3V H7 or CE0KMAVSL101 ALUMINUM ELECTROLYTIC CAP 100 F 6 3V H7 CE0KMAVSM101 C339 ELECTR...

Страница 50: ...01 F 50V CHD1JK30B103 C463 CHIP CERAMIC CAP 1608 B K 0 01 F 50V CHD1JK30B103 C464 ELECTROLYTIC CAP 10 F 16V M H7 or CE1CMAVSL100 Ref No Mark Description Part No ALUMINUM ELECTROLYTIC CAP 10 F 16V H7...

Страница 51: ...AZB0F105 CHIP CERAMIC CAP F Z 1 F 10V CHD1AZ30F105 C564 CHIP CERAMIC CAP 1608 CH J 100pF 50V CHD1JJ3CH101 Ref No Mark Description Part No C567 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V or CHD1JZ30F104 CHIP...

Страница 52: ...1 IC301 IC Y C A LA71750EM MPB E QSZBA0RSY020 IC370 A IC SECAM LA70100M TRM E QSZBA0TSY019 IC451 IC HIFI LA72648M MPB E QSZBA0RSY033 Ref No Mark Description Part No IC501 A SYSCON IC M3776AMCA AA4GP U...

Страница 53: ...k or RRXAFR5Z0222 RES CHIP 1608 1 10W F 2 20k RTW2201YF002 R031 CHIP RES 1 10W J 56k or RRXAJR5Z0563 Ref No Mark Description Part No RES CHIP 1608 1 10W J 56k RRXA563YF002 R032 CHIP RES 1 10W J 1 8k o...

Страница 54: ...1 RES CHIP 1608 1 10W J 560 RRXA561YF002 R418 CHIP RES 1608 1 10W 0 or RRXAZR5Z0000 Ref No Mark Description Part No RES CHIP 1608 1 10W J 0 RRXA000YF002 R421 CHIP RES 1 10W J 12k or RRXAJR5Z0123 RES C...

Страница 55: ...RBON RES 1 6W G 3 6k or RCX6GATZ0362 CARBON RES 1 4W G 3 6k RCX4GATZ0362 Ref No Mark Description Part No R535 CARBON RES 1 6W G 10k or RCX6GATZ0103 CARBON RES 1 4W G 10k RCX4GATZ0103 R536 CARBON RES 1...

Страница 56: ...HOLDER MSF 015 LF B110 or XH01Z00LY002 FUSE HOLDER DFH 001 XH01Z00RP001 FH002 FUSE HOLDER MSF 015 LF B110 or XH01Z00LY002 FUSE HOLDER DFH 001 XH01Z00RP001 FP562 LED DISPLAY LFU 4421 2003A NP8Z4212003...

Страница 57: ...BOARD 2 21P HE470ED 0VM203835 JK101 RGB CONNECTOR MRC 021V 01 ABS B110 JXGL210LY007 JK102 RGB CONNECTOR MRC 021V 01 ABS B110 JXGL210LY007 Ref No Mark Description Part No Ref No Mark Description Part N...

Страница 58: ...1 0k RRXA102YF002 R2 A CHIP RES 1608 1 10W 0 or RRXAZR5Z0000 A RES CHIP 1608 1 10W J 0 RRXA000YF002 R4 CHIP RES 1 10W J 120k or RRXAJR5Z0124 RES CHIP 1608 1 10W J 120k RRXA124YF002 R5 CHIP RES 1608 1...

Страница 59: ...31C 850 31D 864 HM453FD 455ED 2006 05 23...

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