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Sylvania SRD4900, Руководство по обслуживанию

Sylvania SRD4900 - Качественный продукт с высоким уровнем производительности. Для получения дополнительной информации и руководство по обслуживанию, вы можете скачать бесплатно Service Manual на manualshive.com. Не упустите возможность узнать больше о вашем устройстве.

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AH1

AH2

AH3

AI1

AI2

AI3

AJ1

AJ2

AJ3

AK1

AK2

AK3

AL1

AL2

AL3

AH4

AI4

AJ4

AK4

AL4

AM1

AM2

AM3

AM4

 Main 7/8 & DVD Open/Close Schematic Diagram < VCR Section >

1-10-15

1-10-16

H9602SCM7

MAIN 7/8

Ref No.

Position

IC1002

AI-4

IC1004

AI-3

Q052

AL-4

Q055

AK-3

Q056

AL-3

Q057

AK-3

Q1004

AJ-2

Q1005

AK-2

Q1006

AL-2

Q1011

AI-2

Q2002

AK-1

Q2013

AI-1

CN1001

AH-3

CN2003

AL-1

CONNECTORS

TRANSISTORS

ICS

Содержание SRD4900

Страница 1: ...reparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA s I Exploded views I Parts List Sec 2 Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disassembly...

Страница 2: ...oper ser vice methods may damage the equipment It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade...

Страница 3: ...al Mode 1 8 1 Block Diagrams 1 9 1 Function Indicator Symbols 1 9 9 Schematic Diagrams CBA s and Test Points 1 10 1 Waveforms 1 11 1 Wiring Diagram VCR Section 1 12 1 Wiring Diagram DVD Section 1 12 2...

Страница 4: ...e W O Burst 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...

Страница 5: ...00 k ohm 4 Ambient Temperature 25 C ITEM CONDITIONS UNIT NOMINAL LIMIT 1 Video Output 75 ohm load Vpp 1 0 0 1 2 Coaxial Digital Out 75 ohm load mVpp 500 50 3 Audio PCM 3 1 Output Level 1 kHz 0 dB Vrms...

Страница 6: ...cation shown in the figure When checking the laser diode be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Us...

Страница 7: ...specially 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 S...

Страница 8: ...ference only Be sure to confirm the precise values 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible...

Страница 9: ...hine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CB...

Страница 10: ...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 is...

Страница 11: ...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 b...

Страница 12: ...to remove any static electricity that may be charged on the body 2 Ground for Workbench 1 Be sure to place a conductive sheet or copper plate with proper grounding 1M on the workbench or other surfac...

Страница 13: ...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 TP502 S INH to GND This will stop the function of T...

Страница 14: ...S 2 two Screws S 2 2 L 2 two Locking Tabs L 2 5 Refer to Reference Notes ID LOC No PART REMOVAL Fig No REMOVE UNHOOK UNLOCK RELEASE UNPLUG DESOLDER Note 1 Top Case D1 4 S 1 2 Front Assembly D2 3 L 1 3...

Страница 15: ...Unit Fig D4 2 2 Short the three short lands of FPC cable with sol der before removing the FFC cable CN201 from it If you disconnect the FFC cable CN201 the laser diode of pickup will be destroyed Fig...

Страница 16: ...5 5 Partition Plate 6 Loader Holder 4 DVD Mecha Assembly Fig D3 CN201 CN301 S 6 7 DVD Main CBA Unit DVD Mecha A Short the three short lands by soldering Either of two places Connector View for A Fig D...

Страница 17: ...e 11 Main CBA SW512 LD SW From FE Head BOTTOM VIEW Lead connections of Deck Assembly and Main CBA Desolder From Capstan Motor Assembly Printing side Desolder From Cylinder Assembly From ACE Head Assem...

Страница 18: ...w for A Rotate this roulette in the direction of the arrow A DVD Mecha HOW TO EJECT MANUALLY 1 Remove the Top Case 2 Rotate the roulette in the direction of the arrow as shown below 3 Pull the tray sl...

Страница 19: ...ace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape FL8A Head Switching Position Adjust ment Purpose To determine the Head Switching position during playback Symptom of Misa...

Страница 20: ...again 8 Turn the power on by pressing the POWER button and the tray will close 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR...

Страница 21: ...A COMP 46 OUTPUT SELECT YCA SCL YCA SDA YCA CS YCA SCL 14 YCA SDA 15 YCA CS 16 YCA SCL YCA SDA YCA CS SW511 REC SW TO VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM TO Hi Fi AUDIO BLOCK DIAGRAM WF12 WF13...

Страница 22: ...2 V COM V R 2 4 5 6 VIDEO AGC TUNER FRONT REAR R P R P SYNC SEPA FBC Y C MIX CCD 1H DELAY R P YNR COMB FILTER CHROMINANCE SIGNAL PROCESS IC301 VIDEO SIGNAL PROCESS HEAD AMP 26 57 32 30 QV QH 6dB AMP...

Страница 23: ...EC AUDIO SIGNAL Mode SP REC 58 55 53 54 D REC H A MUTE H TO SERVO SYSTEM CONTROL BLOCK DIAGRAM FULL ERASE HEAD YCA CS YCA SCL YCA SDA IC301 SIF MOD A A IN R F A IN L F A IN L R A IN R R A OUT R A OUT...

Страница 24: ...34 33 23 4 80 2 78 37 38 54 77 1 39 26 24 27 SIF A IN R R A IN L R N A OUT A IN R F A IN L F DVD A L DVD A R LIM 49 MUTE A OUT L MOD A A OUT R N A IN Hi Fi H SW A MUTE H NORMAL L 40 ST SAP MODE TO AUD...

Страница 25: ...is measured using hot GND as a common terminal CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UT...

Страница 26: ...UP SW2006 SKIP DOWN SW2003 PLAY 53 54 65 68 82 60 61 67 REMOTE 59 DVD MAIN CBA UNIT DRIVE CBA IC301 SERVO DRIVE CN301 M SLED MOTOR M SPINDLE MOTOR IC101 MICRO CONTROLLER SLED MOTOR DRIVE FOCUS ACTUAT...

Страница 27: ...R WATCH DOG TIMER CPU I F TIMER DECODER I F CPU I F READ MEMORY DATA RAM DSP DECODER I O PROCESSOR INST ROM DATA RAM INST ROM SERIAL D A GENERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE C...

Страница 28: ...PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA UNIT DVD AUDIO SIGNAL DATA AUDIO SIGNAL 19 19 SPDIF A MUTE 3 3V Q1204 W F 9 3 W F 7 W F 8 CN601 8 8 VIDEO Y 10...

Страница 29: ...m is not functioning cor rectly When cassette loading mechanism is not functioning correctly When the drum is not working properly Led Mode Indicator Active When reel and capstan mechanism is not func...

Страница 30: ...in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same saf...

Страница 31: ...ity 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 Voltage indications for PLAY and REC...

Страница 32: ...AL PB VIDEO SIGNAL REC AUDIO SIGNAL REC VIDEO SIGNAL Main 1 8 Schematic Diagram VCR Section 1 10 3 1 10 4 H9602SCM1 MAIN 1 8 Ref No Position IC501 C 3 Q501 D 1 Q506 A 2 CN501 A 4 CN502 F 4 CN504 A 4 V...

Страница 33: ...GNAL PB AUDIO SIGNAL DVD VIDEO PB VIDEO SIGANL REC AUDIO SIGNAL REC VIDEO SIGNAL Main 2 8 Sensor Schematic Diagram VCR Section 1 10 5 1 10 6 H9602SCM2 MAIN 2 8 Ref No Position Q503 L 1 Q504 L 1 Q563 H...

Страница 34: ...SIGNAL DVD VIDEO PB VIDEO SIGNAL REC AUDIO SIGNAL REC VIDEO SIGNAL Main 3 8 Schematic Diagram VCR Section 1 10 7 1 10 8 H9602SCM3 MAIN 3 8 Ref No Position IC301 O 2 Q301 Q 3 Q302 Q 4 Q303 Q 4 Q421 N...

Страница 35: ...S1 S2 S3 T1 T2 T3 U1 U2 U3 V1 V2 V3 W1 W2 W3 S4 T4 U4 V4 W4 PB Audio Signal DVD AUDIO SIGNAL REC Audio Signal Main 4 8 Schematic Diagram VCR Section 1 10 9 1 10 10 H9602SCM4...

Страница 36: ...DVD VIDEO SIGNAL DATA AUDIO SIGNAL DVD AUDIO SIGNAL Main 5 8 Schematic Diagram VCR Section 1 10 11 1 10 12 H9602SCM5 MAIN 5 8 Ref No Position IC1201 Y 1 IC1402 Z 3 Q1201 Z 1 Q1202 Z 1 Q1204 Z 1 Q1351...

Страница 37: ...SIGNAL DVD VIDEO SIGNAL DVD AUDIO SIGNAL PB VIDEO SIGNAL DVD VIDEO PB VIDEO SIGANL REC AUDIO SIGNAL REC VIDEO SIGNAL Main 6 8 Schematic Diagram VCR Section 1 10 13 1 10 14 H9602SCM6 MAIN 6 8 Ref No P...

Страница 38: ...AM4 Main 7 8 DVD Open Close Schematic Diagram VCR Section 1 10 15 1 10 16 H9602SCM7 MAIN 7 8 Ref No Position IC1002 AI 4 IC1004 AI 3 Q052 AL 4 Q055 AK 3 Q056 AL 3 Q057 AK 3 Q1004 AJ 2 Q1005 AK 2 Q100...

Страница 39: ...LE N UTILISER QUE DES FUSIBLE DE M ME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole repr sente un fusible fusion rapide CAUTION Fixed voltage or Auto voltag...

Страница 40: ...CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE M ME TYPE RISK OF FIRE REPLACE F...

Страница 41: ...ON AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE M ME TYPE RISK OF FIRE REPLACE FUSE AS MARKED This...

Страница 42: ...F4 DATA VIDEO AUDIO SIGNAL 1 10 23 1 10 24 H9602SCD1 DVD Main 1 3 Schematic Diagram DVD Section DVD MAIN 1 3 Ref No Position IC201 C 1 IC202 D 4 IC301 D 3 IC461 F 1 IC462 E 1 Q251 C 2 Q252 B 2 Q253 C...

Страница 43: ...G1 G2 G3 G4 H1 H2 H3 H4 I1 I2 I3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 DATA VIDEO AUDIO SIGNAL VIDEO SIGNAL DATA AUDIO SIGNAL 1 10 25 1 10 26 H9602SCD2 DVD Main 2 3 Schematic Diagram DVD Section...

Страница 44: ...63 0 0 95 127 2 3 2 3 32 64 0 0 96 128 1 7 1 7 PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP PIN NO PLAY STOP 129 2 3 2 3 161 3 4 3 4 193 225 3 4 3 4 130 2 3 2 3 162 0 0 194 226 131 2 3 2 3 163 1...

Страница 45: ...Q3 R1 R2 R3 M4 N4 O4 P4 Q4 R4 VIDEO SIGNAL DATA AUDIO SIGNAL DVD AUDIO SIGNAL 1 10 29 1 10 30 H9602SCD3 DVD Main 3 3 Schematic Diagram DVD Section DVD MAIN 3 3 Ref No Position IC103 N 3 IC501 O 4 IC5...

Страница 46: ...6 Pin 14 of IC1402 WF5 VIDEO Y VIDEO Y 0 2V 0 2V 20 20 sec sec VIDEO C VIDEO C 0 2V 0 2V 20 20 sec sec VIDEO CVBS VIDEO CVBS 0 5V 0 5V 20 20 sec sec WF7 AUDIO L AUDIO L 1V 1V 0 5msec 0 5msec WF8 AUDIO...

Страница 47: ...msec MOD V 20mV x 10 2msec PLL CLK 0 1V x 10 2msec Pin 2 of TU701 Pin 12 of TU701 Pin 11 of TU701 Pin 6 of TU701 TU VIDEO 20mV x 10 10usec Pin 18 of TU701 NOTE Input VCR COLOR BAR SIGNAL WITH 1KHz AUD...

Страница 48: ...C GND GND DVD A MUTE 4 5 6 7 8 9 10 11 12 13 CL1601 DVD A R MUTE DVD A L AUDIO 5V DVD A R AUDIO 5V SPDIF 14 15 16 17 18 19 REMOTE 21 22 DVD POWER 23 DVD PLAY DVD OPEN CLOSE 24 25 DVD STOP 26 CAPSTAN M...

Страница 49: ...WRCON 11 12 13 14 15 16 17 18 19 20 REMOTE 21 22 DVD POWER 23 DVD PLAY DVD OPEN CLOSE 24 25 DVD STOP 26 CN401 PICK UP UNIT CN201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TS TS FS CD LD FS GN...

Страница 50: ...SF 1 51V 1 98V 1 80V SM 3 20V 3 75V 3 40V AU 0 26V 0 65V 0 44V AL 4 51V 5 00V 5 00V SS 2 61V 3 19V 2 97V RS Note Note EJ RS Loading FWD LM FWD REV H RS EJ Loading REV LM FWD REV L Stop A Loading Stop...

Страница 51: ...de Fig 1 18 RF SW F AD Internal Signal C DRIVE PB CTL 27 C F R 79 H A SW 78 ROTA The first rise of RF SW after a rise in F AD signal Acceleration Detection T1 AT H Z H L L Stop detection T2 ST Slow Tr...

Страница 52: ...D Internal Signal C DRIVE PB CTL 27 C F R 79 H A SW 78 ROTA H Z H L L STILL STILL AT ST BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first...

Страница 53: ...REV LD REV LD REV 0 2S 0 5S PIN NO CL EJ SS SS AU AU TL LD SW CL SS LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON A MUTE H D REC H D PB PAUSE SLOW AU AL AL AU SF SM EJ AU RS SF SM TL FB AL SB...

Страница 54: ...SF AU AU FB SF 1 0S 1 2S 0 2S 0 2S 40mS 0 4S 0 2S 0 2S 0 4S 20mS 40mS 0 2S 20mS 0 2S 0 4S 40mS 20mS 0 1S Fig 4 PIN NO LD SW CL SS LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON A MUTE H D REC H...

Страница 55: ...Section Tray IN TL221 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Tray Close Play Play Tray Open Tray Close Disc Rotation Play...

Страница 56: ...tor FWD REV Output H Z L 22 OUT P ON L Power On Signal to Low L 23 N U Not Used 24 OUT D REC H Delayed Record Signal H 25 OUT HiFi H SW HiFi Audio Head Switching Pulse H L 26 OUT DVD POWER DVD Power C...

Страница 57: ...o Envelope Comparator Signal A D 65 IN PG DELAY Video Head Switching Pulse Signal Adjusted Voltage A D 66 IN KEY 2 A D Key Data Signal 2 A D 67 IN KEY 1 A D Key Data Signal 1 A D 68 IN LD SW Deck Mode...

Страница 58: ...N U Not Used 4 N U Not Used 5 VSS GND 6 VDD Power Supply 7 Out a Segment Output 8 Out b 9 Out c 10 Out d 11 Out e 12 In f 13 In g 14 Out h 15 VEE Pull Down Level 16 Out i Segment Output 17 Out 7G Grid...

Страница 59: ...e G Gate D Drain 2SA1175 J H F 2SC2785 J H F K BA1F4M T BN1F4M T KRA103M KRC103M KTA1266 GR KTA1267 GR Y KTC3193 Y KTC3199 Y GR BL 2SA1015 GR TPE2 2SC1815 BL TPE2 2SC1815 GR TPE2 2SC1815 Y TPE2 2SC212...

Страница 60: ...L021 2L021 1B2 L0 9 DVD Main CBA Unit Sensor CBA Sensor CBA A4 A5 AC1001 2B11 2B15 2B15 RM2001 DVD Open Close CBA W002 CN3001 CN3002 W011 2L091 2L054 A10 A14 2L012 2L082 B Main CBA 2B15 2L021 2L062 A...

Страница 61: ...1 16 3 H9602PEX Packing S2 S2 S2 S2 S1 Unit A14 S3 X1 X4 X20 X5 X2 X3...

Страница 62: ...HOLDER H9600UD 0VM306676 2B16 TAPE HIMELON H9206JD 0VM413956 2B40 PARTITION PLATE H9600UD 0VM306677 2L011 P TIGHT SCREW 3X8 BIND GBMP3080 2L012 SCREW S TIGHT M3X6 BIND HEAD GBMS3060 2L021 SCREW P TIGH...

Страница 63: ...CHIP CERAMIC CAP MELF SL J 100pF 50V or CZM1JJ3SL101 CHIP CERAMIC CAP CH J 100pF 50V or CHD1JJBCH101 CHIP CERAMIC CAP 1608 CH J 100pF 50V or CHD1JJ3CH101 CHIP CERAMIC CAP CG J 100pF 50V CHD1JJ3CG101 C...

Страница 64: ...AP P 0 018 F 50V J CA1J183MS029 C440 ELECTROLYTIC CAP 0 1 F 50V M H7 CE1JMAVSLR10 Ref No Description Part No C441 ELECTROLYTIC CAP 0 1 F 50V M H7 CE1JMAVSLR10 C448 ELECTROLYTIC CAP 4 7 F 50V M H7 CE1J...

Страница 65: ...P B K 1000pF 50V CHD1JK30B102 C537 CHIP CERAMIC CAP B K 1000pF 50V or CHD1JKB0B102 CHIP CERAMIC CAP B K 1000pF 50V CHD1JK30B102 Ref No Description Part No C540 CHIP CERAMIC CAP MELF F Z 0 01 F 16V or...

Страница 66: ...D1EK30B104 CHIP CERAMIC CAP 1608 B K 0 1 F 16V CHD1CK30B104 C1441 CHIP CERAMIC CAP B K 0 33 F 10V or CHD1AKB0B334 CHIP CERAMIC CAP 1608 B K 0 33 F 10V CHD1AK30B334 C1442 ELECTROLYTIC CAP 470 F 6 3V M...

Страница 67: ...PHOTOCOUPLER EL817A or NPEA000EL817 PHOTOCOUPLER EL817B or NPEB000EL817 PHOTOCOUPLER EL817C or NPEC000EL817 PHOTOCOUPLER PS2561A 1 Q or QPEQPS2561A1 PHOTOCOUPLER PS2561A 1 W or QPEWPS2561A1 Ref No Des...

Страница 68: ...1267 GR or NQS10KTA1267 TRANSISTOR 2SA1175 J or QQSJ02SA1175 TRANSISTOR 2SA1175 H or QQSH02SA1175 Ref No Description Part No TRANSISTOR 2SA1175 F QQSF02SA1175 Q1008 TRANSISTOR KTC3199 Y NQSY0KTC3199 Q...

Страница 69: ...RES 1608 1 10W J 10k RRXAJR5Z0103 R322 CHIP RES 1608 1 10W J 18k or RRXAJB5Z0183 Ref No Description Part No CHIP RES 1608 1 10W J 18k RRXAJR5Z0183 R323 CHIP RES 1608 1 10W J 10k or RRXAJB5Z0103 CHIP R...

Страница 70: ...08 1 10W J 1k or RRXAJB5Z0102 CHIP RES 1608 1 10W J 1k RRXAJR5Z0102 R527 CHIP RES 1608 1 10W J 1k or RRXAJB5Z0102 Ref No Description Part No CHIP RES 1608 1 10W J 1k RRXAJR5Z0102 R528 CARBON RES 1 4W...

Страница 71: ...10W J 10k RRXAJR5Z0103 R1038 CARBON RES 1 6W J 100k or RCX6JATZ0104 Ref No Description Part No CARBON RES 1 4W J 100k RCX4JATZ0104 R1039 CARBON RES 1 6W J 470k or RCX6JATZ0474 CARBON RES 1 4W J 470k...

Страница 72: ...1608 1 10W J 10k F RRXAJR5Z0103 R2002 CHIP RES 1608 1 10W J 10k or RRXAJB5Z0103 CHIP RES 1608 1 10W J 10k RRXAJR5Z0103 Ref No Description Part No R2003 CHIP RES 1608 1 10W J 10k or RRXAJB5Z0103 CHIP R...

Страница 73: ...JRSKK033 REMOTE RECEIVER MIM 93M6DKF USESJRSUNT01 T001 SWITCHING TRANSFOMER CSA SW0412A or LTT00CPSA156 SWITCHING TRANSFOMER BCK 28 0417 LTT00CPXB009 TP301 PCB JUMPER D0 6 P15 5 JW15 5T TP302 PCB JUMP...

Страница 74: ...gnment Procedures 2 3 1 Disassembly Assembly Procedures of Deck Mechanism 2 4 1 Alignment Procedures of Mechanism 2 5 1 Deck Exploded Views 2 6 1 Deck Parts List 2 7 1 Sec 2 Deck Mechanism Section I S...

Страница 75: ...USTMENTS 3 For the reference numbers listed above refer to Deck Exploded Views H Hours Cleaning I Replace Deck Periodic Service Schedule Ref No Part Name 1 000 H 2 000 H 3 000 H 4 000 H B2 Cylinder As...

Страница 76: ...ard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained ch...

Страница 77: ...2 Alignment Tape FL8N 2 Head only FL8NW 4 Head only Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform J 2 Guide Roller Adj Screwdriver Available Locally Guide Roller J 3 Mirr...

Страница 78: ...that the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turni...

Страница 79: ...heck to see that the tape is not creasing and that there is no slack on the supply and take up side Guide Rollers Use a blank tape Adjust the height of the Guide Rollers Supply side and take up side U...

Страница 80: ...e ACE Head Fig M6 1 B X Value Alignment Purpose To obtain maximum PB FM envelope signal at the pre set position of the Tracking Control Circuit align the Horizontal Position of the ACE Head Symptom of...

Страница 81: ...omes as flat as possible To do this adjust ment turn the top of the Guide Roller with the Guide Roller Adj Screwdriver 3 If the envelope is as shown in Fig M7 adjust the height of Guide Roller 2 Refer...

Страница 82: ...Playback the alignment tape FL8NW and confirm that the audio signal output level is 8kHz 3 Adjust Azimuth Adj Screw so that the output level on the AC Voltmeter or the waveform on the oscillo scope i...

Страница 83: ...Lever T DM5 L 3 P 1 6 2 Cassette Plate T DM5 7 7 Cylinder Assembly T DM1 DM6 Desolder 3 S 2 8 8 Loading Motor Assembly T DM1 DM7 Desolder LDG Belt 2 S 3 9 9 ACE Head Assembly T DM1 DM7 S 4 10 2 Tape...

Страница 84: ...9 Idler Arm B DM1 DM14 L 11 31 25 BT Arm B DM2 DM14 P 6 32 25 Loading Arm SP Assembly B DM2 DM14 Refer to Alignment Sec Page 2 5 1 33 32 Loading Arm TU Assembly B DM2 DM14 Refer to Alignment Sec Page...

Страница 85: ...2 4 3 U29NDA 14 13 11 10 12 7 8 30 40 16 39 38 42 41 43 9 34 15 36 35 29 Fig DM1 Top View 46 32 20 33 24 25 27 26 23 28 31 21 22 Bottom View Fig DM2...

Страница 86: ...Pin D Pull up Slide 1 2 A 3 6 6 L 2 Pin A Hole A Pin B Hole B L 1 First insert 6 diagonally in 3 as shown below Then install 6 in 3 while pushing L 1 in a direction of arrow After installing 6 in 3 co...

Страница 87: ...7 A 8 9 S 4 S 3 LDG Belt 8 Pin of 12 Pin of 10 Groove of 28 View for A Fig DM8 1 When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 28 as shown 28 11 13 12 A 10 L 4...

Страница 88: ...to Fig A Fig A 13 12 P 3 Fig B Top view Install pin of 12 in groove of 28 Refer to Fig B 28 Hold 12 and 13 till groove of pin of chassis looks and fit 13 in notch of chassis Then turn a few 13 while...

Страница 89: ...5 28 When installing 23 install the spring P 5 to 28 as shown in the left figure and then install 23 while pressing the spring P 5 to the direction of the arrow in the left figure and confirming that...

Страница 90: ...when installed Pin of 35 Align 25 and 28 as shown Bottom View 28 25 28 Top View First tooth on 44 First groove on 28 Installation of 25 When reassembling 28 align the first groove on 28 to the first...

Страница 91: ...2 4 9 U29NDA Fig DM15 turn turn Break belt 35 38 39 40 36 P 8 P 7 turn 34 37 L 12 Fig DM16 43 41 42 Slide Plate S 11 L 13 Fig DM17 44 45 Slide...

Страница 92: ...the mechanical or electrical parts Alignment points in Eject Position Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their triangle marks point to each other...

Страница 93: ...Blue grease SLIDUS OIL 150 B12 B492 B11 B571 B37 Some Ref Numbers are not in sequence B126 B8 B121 B426 B560 L1450 L1450 L1466 B501 L1322 B5 Chassis Assembly Top View Lubricating Point Chassis Assemb...

Страница 94: ...G84M Yellow grease B508 B414 View for A Grease point B516 B559 B52 B134 B133 B568 B593 B565 B417 Some Ref Numbers are not in sequence Bottom Side Grease point B507 B488 B570 B491 B513 B502 Bottom Side...

Страница 95: ...anism View 3 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 B563 B300 B562 B482 B355 B354 B483 B425 L1321 B347 L1321 B313 L1341 B303 B555 B514 Some Ref Numbers are not in seq...

Страница 96: ...MK12 0VM101174 B492 MODE GEAR MK12 0VM203769 B494 C DOOR OPENER MK12 0VM305719 B499 T LEVER HOLDER MK12 0VM305729 B501 WORM HOLDER MK12 or 0VM203767 WORM HOLDER R MK12 0VM204324 B502 CAM GEAR B MK12...

Страница 97: ...SRD4900 H9602UD Printed in Japan 2004 04 07 HO...

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