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Sanyo VHR-VT221A / NZ, Service Manual

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Sanyo VHR-VT221A / NZ Service Manual Download Page 37

VEA966A

Q1006

Q1007

Q1005

CP

1001

L4006

C4055

C4078

L4010

Q4004

R4015

Q4007

Q4006

TP4001

TP4002

X1001

X1002

C4057

L4008

L4005

C1014

R658

R1006

C651

C4062

L4003

CP

400

2

C4006

C4012

W061

W062

Q4002

W070

W052

W057

W047

W039

W056

W059

W063

R1029

IC502

R1086

W044

L502

C527

Q511

W005

W032

W009

W002

W045

W011

W012

W029

W023

W025

W018

W020

W028

W049

W040

W042

W041

C531

D526

Q506

R524

R525

R519

D527

D521

C523

L501

C524

D1006

D520

D516

D514

D509

C503

D501

T501

W016

R509

D502

C509

D511

D508

W026

R507

R503

R511

R505_1

R510

Q501

C508

D506

D504

D503

D505

L503

FH502

F501

FH501

C501_1

S502

S501

W013

L1001

W024

W027

R512

W017

R1001

W086

W064

R1031

R1028

R1003

R1042

R1011

W031

D1004

W015

R1037

W030

W034

W060

C

520

_1

D515

R517

W048

C1013

D4001

W058

W092

W050

OS651

C511_1

Q503

R514

IC501

W010

W007

W014

W036

W053

W021

W019

W033

W008

C652

D651

W004

W001

C526

W003

W817

W801

W810

Q

10

0

3

W867

W807

W802

D4002

R520_1

R1044

W022

C514

CD501_1

W824

SW652_1

SW651_1

C1001

W866

D510

C513

W046

W006

CP651

W046

C4025

C521

D512

SW604_1

R601

R602

R603

SW605

SW603_1

SW607

R605

R604

R607

SW608

SW606_1

CP601

CD601

OPERATION

SOLDER SIDE

J4503_1

CP4501

AUDIO

(INSERTED PARTS)

SOLDER SIDE

T1.6A L250V

40

Summary of Contents for VHR-VT221A / NZ

Page 1: ...ance to product safety Should any component designated by a symbol need to be replaced use only the part designated in the parts List Do not deviate from the resistance wattage and voltage ratings shown NOTE Substitute parts may be supplied as the service parts N S P Not available as service parts 1 2 Design and specifications are subject to change without notice PRODUCT SAFETY NOTICE VHR VT221A N...

Page 2: ...WIRING There are parts which use the insulation material such as a tube or tape for safety or which are assembled in the condition that these do not contact with the printed board The inside wiring is designed not to get closer to the pyrogenic parts and high voltage parts Therefore put these parts in the original positions Please include the following informations when you order parts Particularl...

Page 3: ...PARATION FOR SERVICING MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS Y C AUDIO HEAD AMP TUNER OSD VPS SYSTEM CONTROL SERVO TIMER OPERATION POWER PRINTED CIRCUIT BOARDS SYSCON AUDIO OPERATION SCHEMATIC DIAGRAMS Y C AUDIO HEAD AMP SYSTEM CONTROL SERVO TIMER POWER OPERATION TUNER OSD VPS INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEW CHASSIS EXPLODED VIEWS MECHANICAL REPLAC...

Page 4: ...33 4MHz FP FS 5 5MHz Preset CH 80CH RF Converter Output Yes Channel 36 ch 23 69 ch Level Impedance 73 dBu 75 Ohm Sound Selector No Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 240V 50Hz DC Power Consumption at AC 9 W at 240 V 50Hz Stand by at AC 2 W at 240 V 50Hz Per Year Protector Power Fuse Yes Dew Sensor No G 4 Regulation Safety SAA Radiation AS NZS G 5 Temperature O...

Page 5: ...se Eject Tape In Symbol Mark Yes Others CH AV Yes Clock Date Yes Repeat No Pin Code No Tape Counter Yes Index Yes Hotel Lock No Tape Speed Yes Manual Tracking Bar Setting Yes Hi Fi No S Repeat SR R SR Play Yes VPS No PDC No TEST Signal Yes G 9 OSD Language Eng Ger Fre Spa Ita G 10 Clock Timer Calendar 1990 1 1 2081 12 31 and Timer Timer Events 8 prog 1 month Back up One Touch Recording Max Time SP...

Page 6: ...ogram Yes Program Video Plus No Auto Tracking No Set Tracking No Set Tracking No Menu Yes Enter Yes Cancel Ch Skip Yes Call Yes Zero Return Yes Clock Counter Yes CM Skip No Audio Select No G 13 Features Auto Head Cleaning Yes Auto Tracking Yes Index Search Yes HQ VHS Standard High Quality Yes Auto Power On Auto Play Auto Rewind Auto Eject Yes Auto Repeat Yes Auto Power Off Yes VIDEO PLUS SHOWVIEW ...

Page 7: ...es Channel Down Yes F FWD Cue Yes Rew Rev Yes Eject Stop Yes Rec OTR Yes Main Power SW No Indicator Power No Stand by No Rec OTR No Repeat No Tape In No Kurupika Guide No One Touch Playback No Terminals Front Video Input RCA x1 Audio Input RCA x1 Other Terminal No Rear Video Input RCA x1 Audio Input RCA x1 Video Output RCA x1 Audio Output RCA x1 Euro Scart No Ext Speaker No DC Jack 12V Center No V...

Page 8: ...ection of arrow B Then lift in direction of arrow C Fig 1 1 1 3 DECK CHASSIS Refer to Fig 1 3 Remove the 3 screws 1 Disconnect the 6P ribbon wire CD1002 from Audio head H5001 Remove the Deck Chassis in the direction of arrow Connectors CP1001 CP4001 and CP4003 are disconnected automatically 1 2 3 1 4 SYSCON PCB AND AUDIO PCB Refer to Fig 1 4 1 2 3 4 Deck Chassis Fig 1 3 1 1 1 Remove the screw 1 Re...

Page 9: ...ker R 1 2 3 Link Unit NOTE 1 2 In case of the Locker R installation check if the two positions of Fig 2 3 B are correctly locked When you install the Cassette Side R be sure to move the Locker R after installing 2 4 LINK UNIT Refer to Fig 2 4 Set the Link Unit to the Eject position Unlock the support 1 Remove the A side of the Link Unit first then remove the B side 1 2 3 Fig 2 4 2 5 LINK LEVER FLA...

Page 10: ... In case of the Loading Motor installation hook the wire on the Cassette Opener as shown Fig 2 6 C When installing the wires between Capstan DD Unit and Loading Motor connect them correctly as shown Fig 2 6 D Refer to Fig 2 6 D Loading Motor Capstan DD Unit L2 L1 Pink Fig 2 6 D White Fig 2 7 A Tension Arm Ass y Fig 2 7 B Fig 2 7 D Tension Band Tension Spring 1 2 4 Tension Band Tension Arm Ass y 3 ...

Page 11: ...oves Refer to Fig 2 9 A Do not adhere the stains on it When you install the reel clean the shaft and grease it FG 84M If you do not grease noise may be heard in FF REW mode After installing the reel adjust the height of the reel Refer to MECHANICAL ADJUSTMENT 1 2 3 4 5 6 Fig 2 9 A S Reel 1 A T Reel A 1 Idler Arm Ass y Idler Gear NOTE 1 2 In case of the S Reel and T Reel installation check if the c...

Page 12: ...ER PINCH ROLLER BLOCK P5 ARM ASS Y Refer to Fig 2 10 A Unlock the support 1 and remove the Cassette Opener Remove the Pinch Roller Block and P5 Arm Ass y 1 2 Fig 2 10 A 1 Cassette Opener P5 Arm Ass y Pinch Roller Block Main Chassis NOTE Do not touch the Pinch Roller Use gloves In case of the Pinch Roller Block and the Pinch Roller Cam installation install correctly as Fig 2 10 B 1 2 Fig 2 10 B Can...

Page 13: ...e Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Rod Main Loading Gear Tension Lever Loading Arm T Unit Loading Arm S Unit Fig 2 16 A 2 14 CAPSTAN DD UNIT Refer to Fig 2 14 A Remove the Capstan Belt Remove the 3 screws 1 Remove the Capstan DD Unit 1 2 3 Screw Torque 4 0 5kgf cm Capstan DD Unit Capstan Belt 1 1 1 In case of the Capstan DD Unit i...

Page 14: ... Fig 2 18 B Fig 2 18 C Cassette Guide Post Cassette Guide Post 2 17 Remove the Polyslider Washer 1 Remove the Clutch Ass y and Ring Spring Remove the Clutch Lever Remove the Coupling Gear Coupling Spring and Clutch Gear 1 2 3 4 Fig 2 17 A NOTE 1 When you install the Loading Arm S Unit Loading Arm T Unit and Main Loading Gear align each marker Refer to Fig 2 16 B Fig 2 16 B Loading Arm T Unit Main ...

Page 15: ...sing a blower type IC desoldering machine Refer to Fig 3 2 2 Fig 3 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering ...

Page 16: ... 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and instal...

Page 17: ...flop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI...

Page 18: ...ator Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance 18 ...

Page 19: ...IVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF HOURS USED Can be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC While pressing the CH UP button on the set press the STOP button on the set for more than 2 seconds during PLAY Make the short circuit between the test point of SERVICE and the GND The BOT EOT and the Reel Sensor do not work and the deck can be op...

Page 20: ...ontact with the tape Replace when rolling becomes abnormal Clean the Head Clean the rubber and parts which the rubber touches ADDRESS DATA CONFIRMATION OF USING HOURS PLAY REC total hours can be checked on the FIP Total hours are displayed in 16 system of notation 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value 1 2 3 4 5 Turn on the POWER ...

Page 21: ... below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not exert force against the cylinder head Do not m...

Page 22: ...gain step through the DATA using FF or REW button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input Turn on the POWER While pressing the CH UP button on the set press the...

Page 23: ...0A00 ORAPJG154000 Adapter Dial Torque Gauge 10 90gf cm Dial Torque Gauge 60 600gf cm Post Adjustment Screwdriver X Value Adjustment Screwdriver Master Plane Reel Disk Height Adjustment Jig Torque Tape VHT 063 Cable VSR Torque Brake Torque S Reel T Reel Ass y Monoscope 6KHz For 2 head 1 speed model 4 head model Color Bar 1KHz For 2 head 1 speed model 4 head model Hi Fi Audio For Hi Fi model X Value...

Page 24: ...tes 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE JG100A 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape JG100A and set to the PLAY mode Confirm that the right meter of the torque tape indicates 50 90gf cm during playback in SP mode Confirm that the left meter of the torque tape indicates 25 40gf cm d...

Page 25: ...g Button to move the envelope The envelope waveform will begin to decrease when you press the Tracking Button Adjust the PG shifter during playback Refer to the ELECTRICAL ADJUSTMENTS 1 2 3 4 5 6 NOTE After adjustment confirm and adjust A C head Refer to item 2 2 CH 2 SW Pulse TP4001 CH 1 Track CH 2 Track CH 1 Envelope TP4002 Fig 2 1 A Entrance Exit Max A B 3 2 A Max B Fig 2 1 B NOTE Install the T...

Page 26: ...cope to TP4001 CH 2 to TP4002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001U or JG001V Refer to SERVICING FIXTURE AND TOOLS Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Set the X Value adjustment driver JG153 to the 4 of Fig 2 2 B Adjust X value so that the envelope waveform output becomes maximum Check i...

Page 27: ...STMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Connect 2 Tension Arm 3 Guide Roller 4 Audio Control Head 5 X value adjustment driver hole 6 7 8 9 10 P4 Post T Brake Spring T Reel S Reel Adjusting section for the Tension Arm position ...

Page 28: ... the circuits or replacing electrical parts or PCB assemblies 1 BASIC ADJUSTMENT 1 2 3 1 2 PB Y LEVEL Connect the oscilloscope to pin 5 of CP4503 through 75 ohm resistor Playback the alignment tape JG001D Check if the VIDEO OUTPUT LEVEL is 1 05 0 15Vp p Refer to Fig 1 2 1 2 3 Fig 1 2 1 05Vp p 1 3 E E LEVEL Connect the color bar generator to pin 9 of CP4503 Connect the oscilloscope to pin 5 of CP45...

Page 29: ...ect the AC voltmeter to pin 3 of CP4503 through 47K ohm resistor After the input of audio signal and video signal proceed with the recording Playback the recorded section and check if the AUDIO OUTPUT LEVEL is 500mVrms 2dB CONDITIONS MODE Self RECORD and PLAYBACK Input Signal Input Select AV INSTRUCTIONS Audio Signal 1KHz 500mVrms Video Signal PAL Color Bar ...

Page 30: ...CTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION 30 CP601 TP1001 TP4001 TP4002 J4507 J4505 T501 S502 CP4503 CP651 S501 CD601 J4503 CP4501 CP4002 A C HEAD C D 1 0 0 2 AC IN SYSCON PCB AUDIO PCB OPERATION PCB TU6001 CD4501 ...

Page 31: ...QPB G EQ D LIM DEMO SLPF MAIN DE EMPH P R LPF 31 26 19 23 21 24 18 YLPF P R P R CLAMP NL EMPH NL DE EMPH FBC ALC CLAMP LPF YNP ATT P R N C D E Y APA VIDEO AGC SQUELCH FBC VIDEO ALC CLEAR SYNC 6db AMP 6db AMP C SQUELCH C K N P B D BPF MIX LEVELADJ B E C K P R P R P R P R VCA DELAY CLPF CCD LPF MAIN CONV1 MAIN CONV2 CLPF P R 60 58 55 54 52 35 46 C CCD 42 Y CCD 39 P R L4006 Y C AUDIO CCD HEAD AMP IC ...

Page 32: ...1 12 3 11 6 BUFFER Q4802 2 SYSCON SERVO TIMER CG_DATA CG_CLK CG_CS IIC_DATA IIC_CLK Y C AUDIO HEAD AMP NORMAL_A_IN NORMAL_A_OUT J4503 2 3 5 6 TU_A_OUT 2FSC EE VV_V_OUT VIDEO_IN Y C AUDIO HEAD AMP 24 TU_V_OUT 2 2 FRONT AV JACK J4505 FRONT AV JACK J4507 FRONT_A_IN FRONT_V_IN 33 34 ...

Page 33: ... H IIC_DATA IIC_CLK CG_CLK TUNER OSD VPS CG_CS 2 1 4 3 SYSCON SOFTWARE SERVO IC IC1001 OEC7070B CG_DATA 68 CG DATA 72 71 IIC SDA IIC CLK EEP ROM IC IC1099 S 24C08ADPA 01 6 5 SW1001 81 TAB_SW Q1010 CENT SW 2 1 4 3 SEG 4 SEG 5 SEG 9 SEG 10 53 58 54 59 OPERATION SEG 6 SEG 7 55 56 SEG 8 57 SEG 3 52 GRID4 GRID5 63 64 SEG 1 SEG 2 50 51 GRID3 62 GRID2 61 GRID1 SEG4 SEG5 SEG9 SEG10 SEG6 SEG7 SEG8 SEG3 GRI...

Page 34: ...1 SW SEG3 SW SEG2 SW SEG4 SW SEG5 SW SEG6 SW GRID4 SEG9 SEG7 SEG8 SEG5 SEG6 SEG4 GRID3 SEG3 GRID2 SEG1 SEG2 GRID1 REC OTR PLAY FF CUE REW REV STOP EJECT POWER BLOCK DIAGRAM 5 D503 D506 T501 IC501 KIA431 VOLTAGE CTL IC 3 1 IC502 LTV 817M VB AC IN 8 Q511 P ON SW Q505 POWER_ON H POWER_FAIL L503 F501 RECTIFIER SW Q503 CONTROL Q501 4 12V REG AT 5 8V Q506 P CON 5V SW SYSCON SERVO TIMER 6 P CON 5V OS651 ...

Page 35: ......

Page 36: ...C P 4 0 0 3 W107 W070 W082 W075 W089 W153 R1004 W085 W078 W047 W039 W084 W040 W105 W121 W150 W151 W101 W106 W088 W086 W163 W090 C4091 W159 W160 W156 R1005 W141 W103 W104 C4803 C4810 W110 W826 W827 L4801 W129 C4806 C4804 L4802 L4804 R1024 W096 W092 TP1003 W819 W115 W125 W126 W128 R1027 W112 L4806 W127 R1036 W071 W836 W146 W135 W099 W098 W073 W083 W114 W155 W116 W065 W111 R4026 R4029 R4035 W152 W154...

Page 37: ... R507 R503 R511 R505_1 R510 Q501 C508 D506 D504 D503 D505 L503 FH502 F501 FH501 C501_1 S502 S501 W013 L1001 W024 W027 R512 W017 R1001 W086 W064 R1031 R1028 R1003 R1042 R1011 W031 D1004 W015 R1037 W030 W034 W060 C 5 2 0 _ 1 D515 R517 W048 C1013 D4001 W058 W092 W050 OS651 C511_1 Q503 R514 IC501 W010 W007 W014 W036 W053 W021 W019 W033 W008 C652 D651 W004 W001 C526 W003 W817 W801 W810 Q 1 0 0 3 W867 W...

Page 38: ...3 C4072 C4082 R4023 C4053 C4051 C4060 C4077 R4033 C4049 R4020 C4068 C4066 R1048 C1007 C4101 R1049 C4020 C4030 R680 Q665 Q662 R676 Q664 Q663 Q661 Q660 Q659 Q658 Q656 Q654 Q653 R666 R668 Q657 Q655 R659 R661 R662 R664 R669 R670 R672 Q651 Q652 C4070 IC1003_1 C1025 R660 R663 R4028 Q4005 R4017 R4005 R4004 R513 C515 R515 Q1010 R1010 R1008 R1030 C4067 Q505 R526 C529 C504 C510 R501 C505 R508 C512 R516 R102...

Page 39: ... C4039 C4054 C4022 C4049 R4020 C4101 R1009 C4808 R4805 C4802 IC4801 C4814 R4807 C4813 C4811 C4809 R4037 Q4008 C6010 C4530 C4532 R4501 R4809 R4802 C6008 C6009 AUDIO CHIP MOUNTED PARTS SOLDER SIDE R4505 R4504 C4503 C4502 42 ...

Page 40: ...ER NOTE THE DC VOLTAGE AT EACH PART WAS CAUTION DIGITAL TRANSISTOR D4001 1SS133 2FSC IIC_CLK P CON 5V IIC_DATA EE VV_V_OUT DUMMY_V SYNC VV H V H_SW PICTURE_CTL NA_REC H DUMMY_V SYNC SYNC A_MUTE TRICK H IIC_DATA IIC_CLK ENV DET CTL CTL 2FSC VIDEO_IN EE VV_V_OUT FRONT_V_IN FRONT_A_IN NORMAL_A_IN V H_SW SYNC NORMAL_A_OUT TU_V_OUT ENV DET TU_A_OUT SP L NORMAL_A_OUT SP_COM SP R P CON 5V AT 5 8V P CON 5...

Page 41: ...REMOCON CAP_F R ENV DET AT 5 8V CAP_LIMIT CH UP_SW POWER_ON H AFT_S_CURVE DUMMY_V SYNC P CON 5V AT 5 8V_A POWER_ON H POWER_FAIL CAP_VCO CG_CS AT 12 6V CG_CLK CG_DATA VV H V H_SW PICTURE_CTL NA_REC H DUMMY_V SYNC A_MUTE TRICK H IIC_DATA IIC_CLK CAP_FG ENV DET CAP_F R CTL CAP_LIMIT CTL SYNC CTL CAP_CTL CYL_FG PG CYL_CTL CTL RESET SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SYNC SEG7 EOT SEG8 BOT SEG9 SEG10 TAB_SW...

Page 42: ... 1K R515 3 6K 1 R516 2 7K 1 R520_1 10K 1 4W C521 0 001 500V B C501_1 0 1 275V PHE840 C509 150P 500V B C511_1 0 0047 500V B C510 0 018 B C505 0 0056 B C504 0 027 B C512 0 01 B C529 0 1 F C515 0 01 B C520_1 0 01 500V E C514 0 0022 250V KX C508 22 400V YK C503 10 50V YK C524 680 10V HR C526 1000 6 3V YK C523 1000 16V YK C531 10 16V KA C527 220 16V YK D511 RGP10KE D501 1SS244 D508 1SS133 D502 1SS133 D...

Page 43: ... 6 8K 1 4W R605 13K 1 4W R664 180 R666 180 R662 180 R661 180 R659 180 R658 470 1 4W R660 470 R663 470 R668 180 R678 470 1 4W R680 470 R669 180 R670 180 R676 180 R672 180 R665 10K R671 10K C653 0 1 F C651 47 6 3V KA C652 220 6 3V YK D651 1N4005 EIC OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER ...

Page 44: ...8 100P CH C6001 0 01 F C6006 0 022 F C6010 0 0022 B C6007 100 6 3V YK OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS GND 32V P CON 5V TU_V_OUT TU_A_OUT NORMAL_A_OUT RF_CONV V IIC_CLK IIC_DATA AFT_S_CURVE AT 5V NORMAL_A_OUT AT 5V P CON 5V RF_CONV V 32V IIC_CL...

Page 45: ... B C4806 47 6 3V KA L4806 39uH L4804 33uH L4512 10uH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS NORMAL_A_OUT AUDIO_IN L VIDEO_IN P CON 5V RF_CONV V EE VV_V_OUT NORMAL_A_IN AUDIO_IN L FRONT_V_IN FRONT_A_IN P CON 5V P CON 5V GND RF_CONV V CG_CS CG_DATA CG_...

Page 46: ... AV JACK FRONT AV JACK MONO AUDIO J4507 J4505_1 PCB240 VIDEO_IN AUDIO_IN L VIDEO_OUT AUDIO_OUT L GND GND GND GND GND VIDEO_IN AUDIO_IN L VIDEO_OUT AUDIO_OUT L GND GND GND GND GND AUDIO PCB VEA966 H5002 FULL ERASE HEAD ASS Y 2 1 FE HEAD HOT FE HEAD GND FE HEAD HOT FE HEAD GND Vout OS651 COMMAND TRANSMITTER TM601 TO OS651 TM601 FROM B GND VMA231 CH UP_SW GND KEY A CH UP_SW CP601 CP651 GND KEY A VE98...

Page 47: ...div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE Y C AUDIO HEAD AMP REC 0 5V 10µs div 7 REC PB 200mV 0 5ms div 2 PB 200mV 10µs div 18 17 PB 1 0V 200ms div PB 1 0V 200ms div SYSCON SERVO TIMER 12 POWER PB 50 0V 2µs div 5 7 ...

Page 48: ...PLODED VIEW 601 602 603 605 606 607 608 610 610 701 PCB270 OPERATION PCB 613 701 618 702 702 702 702 PCB010 SYSCON PCB TU6001 T501 614 616 704 612 614 619 620 611 621 PCB240 AUDIO PCB 58 705 612 615 703 617 604 609 ...

Page 49: ...osition NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD 302 312 315 UN4001 M2003 502 504 H5001 503 306 305 332 507 335 342 322 508 324 348 506 501 H5002 323 508 341 331 334 333 314 301 313 307 300 317 309 336 346 345 321 319 320 AB 316 318 325 347 AB AB AB AD AA AA AA AA AB AB AB AB AB AB AB AB AC AC AA 59 M101 304 CD1502 CD1501 CD1002 504 ...

Page 50: ...0 509 308 344 327 343 326 328 AA AA AB AB AB AA AA AD AA AA AA AA AA CD1501 CD1502 Applying positions AA AB AC and AD for the grease are displayed for this section Check if the correct grease is applied for each position NOTE PART NO CLASS MARK GREASE G 555G AA MG 33 AB FG 84M AC FL 721 AD AA 60 ...

Page 51: ...P 612 OR701WPA0717 HOLDER DECK 613 OR755WPAA011 PLATE COVER POWER 614 OR85OP700036 HOLDER EOT SENSOR 615 OR702WSAA030 PLATE BOTTOM 616 OR701WPA0686 HOLDER DECK 617 OR722529A003 SHEET RATING 618 OR702WSB0060 CABINET TOP 619 OR85OP700037 HOLDER LED 620 OR753WUA0057 SPRING EARTH TUNER 621 OR753WUAA006 SPRING EARTH HEAD AMP 701 OR8110226804 SCREW TAP TITE P BIND 2 6x8 702 OR8109230802 SCREW TAP TITE B...

Page 52: ...SS Y 2 H5002 OR1543D02013 HEAD FULL ERASE HVFHP0032A 314 OR85OA400235 TENSION ARM ASS Y 2 M101 OR1596S98001 MOTOR LOADING MDB2B66 315 OR85OA400231 INCLINED BASE S UNIT M2001 OR1510S98036 CAPSTAN DD UNIT F2QVB08 316 OR85OP800358 SPRING LOCKER M2003 OR1589S11014 MICRO MOTOR I2OAL03 317 OR85OP900736 CASS HOLDER UN4001 ORA4F302B500 CYLINDER UNIT ASS Y A4F302B500 318 OR85OP900748 CASS SIDE L 319 OR85OP...

Page 53: ...02T4471J RC 470 OHM 1 4W C503 ORE02LU5100M CE 10 UF 50V R680 ORR903N8471J RC 470 OHM 1 8W C504 ORCS0RB04K4K CC 0 027 UF 50V R1001 ORR002T4102J RC 1K OHM 1 4W C505 ORCS0RB04S3K CC 0 0056UF 50V R1003 ORR002T4332J RC 3 3K OHM 1 4W C508 ORE02LFH220M CE 22 UF 400V R1004 ORR002T4121J RC 120 OHM 1 4W C509 ORC0JTB05E2K CC 150 PF 500V R1005 ORR002T4473J RC 47K OHM 1 4W C510 ORCS0RB04G4K CC 0 018 UF 50V R10...

Page 54: ...0 1 UF 50V C4053 ORCS0RB04H4K CC 0 022 UF 50V ICS C4054 ORCS0RB0414K CC 0 01 UF 50V C4055 ORE50HU0220M CE 22 UF 6 3V IC501 ORI1KJ9A4310 IC KIA431 C4056 ORE50HU54R7M CE 4 7 UF 50V IC502 OR0002E00610 PHOTO COUPLER LTV 817M VB C4057 ORE50HU2100M CE 10 UF 16V IC1001 ORI56F57070B IC OEC7070B C4058 ORCS0RCH4F2J CC 160 PF 50V IC1003 ORI9UF032310 IC PST3231NR C4059 ORCS0RF0415Z CC 0 1 UF 50V IC1099 ORA4F3...

Page 55: ...02T4682J RC 6 8K OHM 1 4W R605 ORR002T4133J RC 13K OHM 1 4W JACKS R607 ORR002T4332J RC 3 3K OHM 1 4W J4505 OR060J401080 RCA JACK MSP 281V1 B SWITCHES J4507 OR060J401079 RCA JACK MSP 281V4 B SW603 OR0504201T32 SWITCH TACT SKQNAED010 SWITCHES SW604 OR0504201T32 SWITCH TACT SKQNAED010 SW605 OR0504201T32 SWITCH TACT SKQNAED010 SW651 OR0504201T31 SWITCH TACT SKHVBED010 SW606 OR0504201T32 SWITCH TACT SK...

Page 56: ...TROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPROPYLENE CAPACITOR 3 The tolerance of Resistor and Capacitor is indicated on the end of the parts code RESISTORS A 0 05 G 2 B 0 1 J 5 C 0 25 K 10 D 0 5 M 20 F 1 CAPACITORS CC C 0 25pF N 30 D 0 5pF P 100 0 F 1 0pF S 50 20 K 10 Y 30 80...

Page 57: ...Jul 02 100 Printed in Japan Version A SANYO Electric Co Ltd Osaka Japan ...

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