Aiwa HV-FX-8100 Service Manual
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Aiwa HV-FX-8100 Service Manual

Aiwa HV-FX-8100 Service Manual

Stereo video cassette recorder
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SERVICE MANUAL
STEREO VIDEO CASSETTE RECORDER
POWER REQUIREMENTS .................
POWER CONSUMPTION ...................
WEIGHT ..............................................
DIMENSIONS ......................................
OPERATING TEMPERATURE ...........
VIDEO RECORDING SYSTEM ..........
VIDEO SIGNAL SYSTEM ...................
VIDEO HEAD ......................................
USABLE CASSETTES ........................
CHANNEL COVERAGE ......................
RF OUTPUT ........................................
HORIZONTAL RESOLUTION ............
TUNER SYSTEM ................................
TV SYSTEM ........................................
FAST-FORWARD/REWIND TIME ......
HI-FI DYNAMIC RANGE .....................
SPECIFICATIONS
120V AC, 60Hz
12W
TYP 2.5W (standby mode)
3.2kg (7.1lbs.)
360mm (W) x 232.5mm (D) x 94mm(H)
(14 1/4 x 13 1/8 x 3 3/4 in.)
5°C to 40°C
Rotary 2 head helical scanning system
NTSC color system, 525 lines, 60 fields
Double azimuth 4 heads
VHS video cassette
VHF: 2 to 13
UHF: 14 to 69
CATV: 5A, A-5 to A-1, A to W,
W+1 to W-84
VHF channel 3 or 4 (switchable),
66dBµ
230 lines (at SP)
Frequency synthesized tuner
M
Approx.110 seconds with T-120 tape
More than 90dB (at SP)
S/M Code No. 09-004-344-7N1
HV-FX8100
BASIC TAPE MECHANISM : OVD-6S
TAPE SPEED ......................................
RECORDING/PLAYBACK TIME ........
VIDEO INPUT ......................................
VIDEO OUTPUT .................................
VIDEO S/N ..........................................
AUDIO INPUT .....................................
AUDIO OUTPUT .................................
AUDIO TRACK ....................................
AUDIO FREQUENCY RESPONSE ....
AUDIO S/N ..........................................
•
Design and specifications are subject to change without
notice.
U
SP: 33.35 mm/sec
LP: 16.67 mm/sec
SLP: 11.12 mm/sec
SP: 3.5 hours with T-210 tape
LP: 7 hours with T-210 tape
SLP: 10.5 hours with T-210 tape
1.0Vp-p, 75ohm, unbalanced
1.0Vp-p, 75ohm, unbalanced
50dB (nominal)
–8dBs, 50K ohm
–8dBs, less than 1K ohm
3 tracks (Hi-Fi sound 2 tracks,
Normal sound 1 track)
Normal: 100Hz-10kHz (at SP)
Hi-Fi: 20Hz-20kHz (at SP)
Normal: more than 42 dB (at SP)

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  • Page 1 HV-FX8100 SERVICE MANUAL STEREO VIDEO CASSETTE RECORDER BASIC TAPE MECHANISM : OVD-6S SPECIFICATIONS POWER REQUIREMENTS ....120V AC, 60Hz TAPE SPEED ........SP: 33.35 mm/sec POWER CONSUMPTION ....LP: 16.67 mm/sec TYP 2.5W (standby mode) SLP: 11.12 mm/sec WEIGHT ..........3.2kg (7.1lbs.) RECORDING/PLAYBACK TIME ..

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ................................COVER TABLE OF CONTENTS ..............................A1-1 SERVICING NOTICES ON CHECKING ..........................A2-1 IMPORTANT NOTICE ................................ A2-1 DISASSEMBLY INSTRUCTIONS REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ................... B1-1 REMOVAL OF DECK PARTS ............................B2-1~B2-5 KEY TO ABBREVIATIONS ..............................C1-1, C1-2 SERVICE MODE LIST ...............................

  • Page 3: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 3. PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis There are parts which use the insulation material such and parts.

  • Page 4: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: DECK CHASSIS (Refer to Fig. 1-3) Remove the 3 screws 1. AND P.C. BOARDS Remove the screw 2. 1-1: TOP CABINET, FRONT CABINET AND Disconnect the following connectors: (CP1001, CP1002, OPERATION PCB (Refer to Fig. 1-1) CP1003, CP4001, CP4002 and CP4003).

  • Page 5: Removal Of Deck Parts

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DECK PARTS NOTE When you install the Tape Guide L, install as shown in the 2-1: TOP BRACKET (Refer to Fig. 2-1) circle of Fig. 2-3-B. (Refer to Fig. 2-3-B) Remove the 2 screws 1. Slide the 2 supports 2 and remove the Top Bracket.
  • Page 6 DISASSEMBLY INSTRUCTIONS 2-6: LINK ASS'Y (Refer to Fig. 2-6) 2-9: TENSION ASS'Y (Refer to Fig. 2-9-A) Set the Link Ass'y to the Eject position. Move the Inclined S Ass'y to the back side. Remove the (A) side of the Link Ass'y first, then remove Remove the Tension Spring.
  • Page 7 DISASSEMBLY INSTRUCTIONS 2-11: S REEL/T REEL (Refer to Fig. 2-11) NOTE Remove the S Reel and T Reel. Do not touch the Pinch Roller. (Use gloves.) Remove the 2 Polyslider Washers 1. When you install the Pinch Roller Block, install as shown in the circle of Fig.
  • Page 8 DISASSEMBLY INSTRUCTIONS 2-15: AHC ASS'Y/CYLINDER UNIT ASS'Y (Refer to Fig. 2-15) Middle Gear Unlock the support 1 and remove the AHC Ass'y. E-Ring Remove the 3 screws 2. Remove the Cylinder Unit Ass'y. Main Cam NOTE Pinch Roller Cam When you install the Cylinder Unit Ass'y, tighten the screws from (1) to (3) in order while pulling the Ass'y Joint Gear toward the left front direction.
  • Page 9 DISASSEMBLY INSTRUCTIONS 2-19: LOADING GEAR S/T ASS'Y (Refer to Fig. 2-19-A) 2. When you install the Clutch Actuator, install as shown in the circle of Fig. 2-19-C. (Refer to Fig. 2-19-C) Remove the E-Ring 1 and remove the Main Loading Gear.

  • Page 10: Key To Abbreviations

    KEY TO ABBREVIATIONS Audio/Control H.SW Head Switch Automatic Color Control Hertz Audio Erase Integrated Circuit Automatic Frequency Control Intermediate Frequency Automatic Fine Tuning Indicator AFT DET Automatic Fine Tuning Detect Inverter Automatic Gain Control Killer Amplifier Left Antenna Light Emitting Diode A.PB Audio Playback LIMIT AMP...
  • Page 11 KEY TO ABBREVIATIONS SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source...

  • Page 12: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. Method Operations Press both PLAY button and Initialization of the factory. CH UP button on the set for NOTE: Do not use this for the normal servicing. more than 2 seconds.

  • Page 13: Preventive Checks And Service Intervals

    PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Unless maintenance is properly carried out, the following service intervals may be quite shortened as harmful effects may be had on other parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. Time 1,000 1,500...
  • Page 14 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use the run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.

  • Page 15: Note For The Replacing Of Memory Ic

    NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. Table 1 Turn on the POWER.

  • Page 16: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS (For 2 heads model) (For 4 heads model) JG002B Adapter JG005 Post Adjustment VHS Alignment Tape VHS Alignment Tape JG002E Dial Torque Gauge Screwdriver JG001 (TTV-N2) JG001B (TTV-N2) (10~90gf•cm) Part No. SV-TG0-030-000 JG001A (TTV-N12) JG001I (TTV-N12) JG002F (60~600gf•cm) (small)

  • Page 17: Vcr Test Tape Interchangeability Table

    VCR TEST TAPE INTERCHANGEABILITY TABLE There are two types of the new alignment tape CH-1B (for NTSC) and CH-2 (for PAL). On each tape four signals (1) - (4) are recorded for the times and in the order shown below. (1) : 8min.

  • Page 18: Mechanical Adjustments

    MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on Adjust the Tension Adjust until the edge of the Tension the Cassette Tape to keep it steady when you want to Arm is positioning within 0.5mm range from the make the tape run without the Cassette Holder.

  • Page 19: Confirmation And Adjustment Of Tape Running Mechanism

    MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE 2. CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM Operate within 4~5 seconds after the reel disk begins to turn. Tape Running Mechanism is adjusted precisely at the Install the Torque Gauge (JG002F) and Adapter (JG002B) factory.
  • Page 20 MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.

  • Page 21: Mechanism Adjustment Parts Location Guide

    MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Adjust X value adjustment driver hole 2. Tension Arm P4 Post 3. Guide Roller T Brake Spring 4. P1 Post T Reel 5. Audio/Control Head S Reel D1-4...

  • Page 22: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS Read and perform this adjustment when repairing the circuits or replacing electrical parts or PCB assemblies. 1. BASIC ADJUSTMENT CAUTION When replacing IC's or transistors, use only specified silicon grease (G746). (To prevent the damage to IC's and transistors.) 1-1: PG SHIFTER CONDITIONS MODE-PLAYBACK...

  • Page 23: Electrical Adjustment Parts Location Guide

    ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE TP1001 T501 TU6001 TP4001 TP1002 TP4201 J4201 SYSCON PCB D2-2...

  • Page 24: Troubleshooting Guide

    TROUBLESHOOTING GUIDE POWER DOES NOT TURN ON DOES DISPLAY IS COLLECTOR OF CHECK THE AROUND OF T501 LIGHT ? AT PIN 11. Q509 6V ? CHECK IC1001. IS PIN 50 OF IC1001 CHECK IC1001. 0V ? CHECK Q509 AND Q513.
  • Page 25 TROUBLESHOOTING GUIDE THE POWER SUPPLY CUTS INSERTING A CASSETTE AND PUSH PLAY BUTTON. CHECK A TAPE LOADING, LOADING DOES THE POWER CUT BELT, CAPSTAN DD UNIT AND AFTER THREE SECONDS ? CYLINDER UNIT. DOES THE POWER CUT CHECK REEL SENSOR AND AFTER ABOUT SIX REEL BELT.
  • Page 26 TROUBLESHOOTING GUIDE AT PLAYBACK AND RECORDING, CYLINDER MOTOR UNLOAD IN PLAYBACK, IS AT PIN CHECK AT 12.6V LINE, 4 OF CP1001 ABOUT DC POWER BLOCK. 12.6V ? IN PLAYBACK, IS AT PIN CHECK IC1001. 7 OF CP1001 ABOUT DC 2.6V ? CHANGE CYLINDER MOTOR.
  • Page 27 TROUBLESHOOTING GUIDE AUDIO SHAKES IS AUDIO HEAD CHANGE AUDIO HEAD. SCRATCHED ? AT PLAYBACK, IS INPUT CHANGE CAPSTAN DD ABOUT 0.4V AT PIN 9 UNIT. OF IC1001 ? AT PLAYBACK, IS CHECK IC1001. PIN 3 OF CP1002 3V ? CHECK AUDIO BLOCK.
  • Page 28 TROUBLESHOOTING GUIDE THE CASSETTE TAPE CAN NOT BE INSERTED CHECK WORM GEAR DOES WORM GEAR OF OF CASSETTE CASSETTE LOADING LOADING BLOCK. BLOCK MOVE ? WHEN A CASSETTE CAN CHECK LED OF DECK, NOT INSERTED, IS PIN PHOTO SENSOR. 25 OF IC1001 5V ? WHEN A CASSETTE IS INSERTED, IS THE VOLTAGE CHANGE LOADING...
  • Page 29 TROUBLESHOOTING GUIDE WHEN INSERTING A CASSETTE, IT EJECTS IMMEDIATELY DEFECTIVE CASSETTE DOES ANOTHER OR CASSETTE CASSETTE INSERT ? LOADING BLOCK. DO SW1001 AND CORRECTLY SW1001 REC LEVER AND REC LEVER SET. CORRECTLY SET ? AFTER INSERTING CASSETTE, IS PIN CHECK SW1001. 53 OF IC1001 0V ? WHEN A CASSETTE IS INSERTED, IS THE...
  • Page 30 TROUBLESHOOTING GUIDE CAN NOT FF/REW AT FF/REW ,DOES CHECK LINE OF IC1001 VOLTAGE AT PIN 71 AT PIN 29 AND PIN 30. OF IC1001 CHANGE ? CHECK DECK MECHANISM.
  • Page 31 TROUBLESHOOTING GUIDE TAPE LOADING IS OK, BUT UNLOADS IMMEDIATELY IS THE VOLTAGE DOES CYLINDER CHECK POWER BLOCK. AT PIN 4 OF ROTATE ? CP1001 12.6V ? AT PLAY, IS THE VOLTAGE AT PIN 7 OF CP1001 2.6 ? CHANGE CYLINDER UNIT. IS PG PULSE SIGNAL IS THERE HEAD SW INPUTTED TO PIN...
  • Page 32 TROUBLESHOOTING GUIDE AT PLAY, THE PICTURE JITTERS VERTICAL MINUTELY IS FG WAVE OF CP1001 CHANGE CYLINDER AT PIN 5 5V ? MOTOR. IS PIN 7 OF CP1001 2.6V ? CHANGE IC1001. CHANGE CYLINDER MOTOR. AT PLAY, THE PICTURE JITTERS IS FG WAVE OF CP1001 CHANGE CYLINDER AT PIN 5 5V ? MOTOR.
  • Page 33 TROUBLESHOOTING GUIDE AUTO TRACKING DOES NOT OPERATE DOES THE CTL PULSE IN AUTO TRACKING, IS SIGNAL (ABOUT 1.0Vp-p) THE VOLTAGE AT PIN 24 APPEAR AT PIN 7 OF IC1001 ? CHECK CONTROL HEAD. OF IC1001 MORE THAN 1.0Vp-p DC 1.56V ? CHANGE IC1001.
  • Page 34 TROUBLESHOOTING GUIDE WHEN PLAYBACK, FF OR REW MODE IS ACTIVE ,UNIT STOPS IMMEDIATELY REFER TO SECTION DOES CAPSTAN DD "CAPSTAN DD MOTOR MOTOR ROTATE ? NOT ROTATING". IS THERE REEL SENSOR CHECK Q1001 AND PULSE SIGNAL AT PIN 69 Q1002. AND PIN 70 OF IC1001 ? CHANGE IC1001.
  • Page 35 TROUBLESHOOTING GUIDE AT PLAY, PICTURE JITTERS HORIZONTALLY DOES A NOISE ON THE PICTURE APPEAR ? BY ADJUSTING THE MANUAL TRACKING UP/ CHECK P/B ENVELOPE. DOWN BUTTONS, WILL THE LINE DISAPPEAR ? IS A HEIGHT OF GUIDE THE HEIGHT OF GUIDE POST READJUST.
  • Page 36 TROUBLESHOOTING GUIDE AT PLAYBACK, THE PICTURE DOES NOT APPEAR IS THE VOLTAGE OF DOES E-E PICTURE IC4001 AT PIN 21, 54, CHECK POWER BLOCK. APPEAR ? 56, 57, 75 AND 87 5V ? CHECK IC4001. IS THERE VIDEO CHANGE IC4001. SIGNAL OF IC4001 AT PIN 35 ? IS THERE VIDEO...
  • Page 37 TROUBLESHOOTING GUIDE AT PLAYBACK ,THE COLOR DOES NOT APPEAR IS THERE VIDEO SIGNAL CHECK IC4001. AT PIN 35 OF IC4001 ? IS THERE COLOR SIGNAL IN VIDEO SIGNAL AT PIN 35 OF IC4001 ? CHECK IC4001. E-14...
  • Page 38 TROUBLESHOOTING GUIDE PLAYBACK PICTURE IS NOISY (EVEN AFTER CLEANING HEADS) IS NOISY A WAVE OF CHECK CYLINDER. VIDEO SIGNAL AT PIN 35 OF IC4001 ? IS NOISY A WAVE OF VIDEO SIGNAL AT PIN CHECK IC4001. 17 OF IC1001 ? IS NOISY A WAVE OF CHECK IC1001.
  • Page 39 TROUBLESHOOTING GUIDE NO COLOR DURING SELF RECORDING AND PLAYBACK IS THERE CHROMA CHECK J4201, J601, SIGNAL AT PIN 40 CIRCUIT AROUND IT. OF IC4001 ? IS THERE CHROMA SIGNAL AT PIN 35 CHANGE IC4001. OF IC4001 ? IS THERE CHROMA SIGNAL AT PIN 19 CHANGE IC1001.
  • Page 40 TROUBLESHOOTING GUIDE AT PLAY, AUDIO DOES NOT APPEAR AT E-E, DOES REFER TO SECTION "E- E DOES NOT APPEAR". AUDIO APPEAR ? IS THE VOLTAGE CHECK C4024 AND AT PIN 4 OF IC4001 AROUND CIRCUIT OF IT. ABOUT 2.5V ? IS THERE AUDIO CHECK CIRCUIT AROUND SIGNAL AT PIN...
  • Page 41 TROUBLESHOOTING GUIDE CAPSTAN DD MOTOR NOT ROTATING IN PLAYBACK, IS THE VOLTAGE AT PIN 5 OF CHECK POWER BLOCK. CP1002 12.6V ? IS THE VOLTAGE AT PIN 8 OF CP1002 5V ? IN PLAYBACK, IS THE VOLTAGE AT PIN 4 CP1002 ABOUT 2V ? CHANGE IC1001.
  • Page 42 TROUBLESHOOTING GUIDE THE AUDIO CAN NOT RECORD IS THE VOLTAGE OF IS BIAS LEVEL CHECK POWER BLOCK. T4001 AT PIN 2 5V ? AT T4001 OK ? IS THERE AUDIO CHECK A/C HEAD AND SIGNAL AT PIN CIRCUIT AROUND OF IC4001. 5 OF T4001 ? CHECK SNAPPING OF A WIRE IN T4001 AND CIRCUIT AROUND IT.
  • Page 43 TROUBLESHOOTING GUIDE THE CASSETTE INSERT, BUT THE TAPE DOES NOT MOVE CHECK LOADING MOTOR DOES THE MODE AND MODE SENSOR APPEAR AT DISPLAY ? RELATION DEPARTMENT. DOES OPERATE WITH CHECK IC1001. REMOTE CONTROL ? CHECK OPERATION PCB. E-20...
  • Page 44 TROUBLESHOOTING GUIDE RECORDING MECHANISM WORKS, BUT NO VIDEO RECORD FROM INPUT JACK OR TUNER CHECK CIRCUIT OF VIDEO IS THERE VIDEO SIGNAL FROM VIDEO IN OR SIGNAL AT PIN 40 TUNER TO IC4001. OF IC4001 ? IS PIN 90 OF IS BASE OF CHANGE IC1001.
  • Page 45 TROUBLESHOOTING GUIDE E-E DOES NOT APPEAR (THE PICTURE DOES NOT APPEAR FROM TUNER) DOES NORMALITY CONNECTION IS DONE AUDIO JACK OVER AGAIN. CONNECT ? ARE THERE THE VOLTAGE OF MB(5V), CHECK POWER BLOCK. BM(5V), PB5V(5V) TU32V(32V) ? CHECK THE PICTURE. IS THERE VIDEO CHANGE TU6001.
  • Page 46 TROUBLESHOOTING GUIDE E-E AUDIO (MONO) DOES NOT APPEAR REFER TO SECTION "E-E DOES E-E AUDIO AUDIO (STEREO) DOES NOT (STEREO) APPEAR ? APPEAR". IS THE VOLTAGE AT CHECK POWER BLOCK. PIN 21, 54, 56, 57, 75 AND 87 OF IC4001 5V ? IS THERE PIN 92 CHANGE IC1001.
  • Page 47 TROUBLESHOOTING GUIDE E-E AUDIO (STEREO) DOES NOT APPEAR IS VOLTAGE AT PIN CHECK POWER BLOCK. 25, 40 AND 51 5V ? IS VOLTAGE AT CHECK POWER BLOCK. PIN 58 12V ? IS THERE AUDIO CHANGE J601. SIGNAL AT PIN 10 AND 15 OF IC5501 ? IS THERE AUDIO CHANGE IC5501.
  • Page 48 TROUBLESHOOTING GUIDE TUNER AUDIO (MONO) DOES NOT APPEAR REFER TO SECTION "E-E DOES E-E AUDIO AUDIO (MONO) DOES (MONO) APPEAR ? NOT APPEAR". IS THERE AUDIO CHECK CIRCUIT AROUND SIGNAL AT PIN 48 OF TU6001 AT PIN 22. OF IC5501 ? IS THERE AUDIO SIGNAL CHANGE Q4203 AND Q4204.
  • Page 49 TROUBLESHOOTING GUIDE TUNER AUDIO (STEREO) DOES NOT APPEAR REFER TO SECTION DOES TUNER AUDIO "TUNER AUDIO (MONO) (MONO) APPEAR ? DOES NOT APPEAR". REFER TO SECTION "E-E DOES E-E AUDIO AUDIO (STEREO) DOES (STEREO) APPEAR ? NOT APPEAR". AT THE TIME OF CHANNEL SWITCHING, DOES CHANGE IC5501.
  • Page 50 TROUBLESHOOTING GUIDE PB AUDIO (HI-FI) DOES NOT APPEAR REFER TO SECTION "E-E DOES E-E AUDIO AUDIO (STEREO) DOES (STEREO) APPEAR ? NOT APPEAR". REFER TO SECTION "AT DOES NORMAL PB PLAY, AUDIO DOES NOT AUDIO APPEAR ? APPEAR". IS THERE AUDIO CHECK CIRCUIT OF HEAD SIGNAL AT PIN 22 AMP AND CYLINDER UNIT.
  • Page 51 TROUBLESHOOTING GUIDE HI-FI AUDIO CAN NOT RECORD REFER TO SECTION "E-E DOES E-E AUDIO AUDIO (MONO) DOES NOT APPEAR ? APPEAR". IS THERE AUDIO CHECK CIRCUIT AROUND SIGNAL AT PIN 10 OF TU6001 AND J601. AND 15 OF IC5501 ? IS THERE AUDIO CHANGE IC5501.

  • Page 52: Ic Descriptions

    IC DESCRIPTIONS OEC0090A (IC1001) PORT PIN NAME DESCRIPTION SVSS SVSS — Ground. CTLREF CTLREF OUT Output terminal for AMP REFERENCE. CTL(+) CTL(+) I/O Input and output terminal of Control Head. CTL(-) CTL(-) I/O Input terminal of Control Head. CTLBIAS CTLBIAS IN Input terminal for Control Bias.
  • Page 53 IC DESCRIPTIONS OEC0090A (IC1001) PORT PIN NAME DESCRIPTION 32KHz_MONITOR OUT Not used. OTPB_LED OUT Output terminal control for OTPB-LED voltage drive. STBY_LED OUT Not used. CYL_SPEED_UP OUT Output terminal for correct cylinder during SLOW. MS_SENS_CTL OUT Output terminal to drive sensor control. POWER_ON-L OUT For control of the user power switch ON/OFF.
  • Page 54 IC DESCRIPTIONS OEC0090A (IC1001) PORT PIN NAME DESCRIPTION OUT Not used. REC/EE/PB OUT Recording/Playback switch Head Amp. YC_DOC/XO_CTL OUT Set to XO mode or not at EE.Make effective the DOC or not at VV. V.REC.START-H OUT Output terminal for REC signal when record. SP-L/LP-M/EP-H OUT Valuse speed output Playback/Recording.

  • Page 55: Servo Timing Chart

    SERVO TIMING CHART IC1001 (OEC0090A) DPG 103 PIN DFG 104 PIN H. SW. P CH 1 CH 2 105 PIN V-SYNC (E-E) 111 PIN REC CTL (REC) 7 PIN V-SYNC (TRICK PB) 109 PIN • WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED F2-1...

  • Page 56: System Switch Mode

    SYSTEM SWITCH MODE SLOW : SETTING SPEED TO SERVO : CAPSTAN FWD ROTATING LOADING DIRECTION DIRECTION : MECHANICAL MOVEMENT AND CAPSTAN ROTATING (FWD) : CAPSTAN RVS ROTATING : MECHANICAL MOVEMENT (NO CAPSTAN ROTATING) DIRECTION EJECTION UNLOADING STP3 R. SLOW F. SLOW PB/STP STP2 FF/REW...
  • Page 57 SEMICONDUCTOR BASE CONNECTIONS DIODE CATHODE CATHODE ANODE ANODE 1SS133T-77 1N4005E-G23 TMPG06-12A-G3 1SS244T-77 SID1050CM SLZ-345B-02-T1 ENE271D-10A MTZJ13B T-77 21DQ04N-TA2B1 MTZJ27D T-77 RGP10JE-G3 MTZJ33B T-77 UG2D-G23 MTZJ5.1C T-77 MTZJ5.6C T-77 MTZJ6.8B T-77 64PIN 32PIN 8PIN 3PIN 8PIN 100PIN AN3662FBP BU2977FS S-24C08ADPA-01 KIA431 BA6955AN LA71067M-MPB RE5VS31A...

  • Page 58: Semiconductor Base Connections

    SEMICONDUCTOR BASE CONNECTIONS TRANSISTOR 2SA1015Y(TPE2) 2SC4160-OEC-YAC2SC2412KT146 R,STLP621(D4-GR-LF2RPI-352Q01R DTA114EKAT146 PNA2604M010R 2SA1318(S,T)-AA DTA124EKAT146 2SC1815Y(TPE2) DTC124EKAT146 2SC3331(S,T,U)-A 2SD1246(S,T)-AA 2SD734(E,F)-AA SG-260...
  • Page 59 Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM HIFI/ HIFI/ HF_COM DEMODULATOR DEMODULATOR Q4008 X4001 3.579545MHz Q4007 BUFFER Q4009 TUNER BUFFER BUFFER CP4001 HF1 (R) 4FSC HF COM PULL SP/LP/EP-H VX01 HF2 (L) CLAMP INPUT_SEL SYSCON SP CH1 (R) TIMMING DRIVER TRICK_PB-H/EE-H SP COM H.SW DETAL FM-EQ...

  • Page 60: Tuner Block Diagram

    TUNER BLOCK DIAGRAM REAR OUT JACK J4201 AUDIO_OUT-R Q4201 AUDIO_OUT-L HIFI/DEMODULATOR SYSCON VIDEO_OUT BUFFER RF_CONV_A.OUT Q4203 Q4204 TUNER_A MUTE SW MUTE SW RF-SW SW6001 Q4202 Y/C/AUDIO/ TUNER_V CCD/HEAD AMP TU6001 TV/VCR IIC_CLK IIC_DATA SYSCON AUDIO_OUT_MUTE-L AFT-S.CURVE Q6001 TUNER_L P.CON+5V +32V POWER Y/C/AUDIO/ CCD/HEAD AMP...

  • Page 61: Y/C/Audio/Ccd/Head Amp

    SYSTEM CONTROL BLOCK DIAGRAM V.REC_ST-H AUDIO_MUTE-H SYSCON/TIMER/SERVO IC1001 OEC0090A IIC_CLK IIC_DATA HIFI/ DEMODULATOR HIFI ENV 32 HIFI_ENV.DET POWER_ON-L POWER ON-L POWER HIFI H.SW 106 HIFI_H.SW POWER_FAIL POWER FAIL ST SELECT ST_SELECT P.CON_5V D1001 OSC 2 X1001 10MHz OSC 1 C.SYNC C.SYNC 111 Q1007 4 FSC IN 22...
  • Page 62 HIFI/DEMODULATOR BLOCK DIAGRAM HIFI AUDIO/H.AMP/DEM IC IC5501 AN3662FBP FRONT_A_IN-R DISPLAY/OPERATION FRONT_A_IN-L INPUT SW AUDIO_OUT_R HF_COM OUTPUT AUDIO_OUT_L RF_CONV_A.OUT Y/C/AUDIO/CCD /HEAD AMP TUNER VCO-FO LOGIC TUNER_A FM LIM FROM_NORMAL_A TO_NORMAL_A NOISE BLOCK REDUCTION V. REC_ST-H HIFI_ENV. DET HIFI_H.SW SYSCON AUDIO_MUTE-H P.CON 5V IIC_CLK LOGIC IIC_DATA...
  • Page 63 DISPLAY/OPERATION BLOCK DIAGRAM V651 SVV-07SS22 26 25 HEATER_DC + HEATER_DC - POWER 31 30 -30V FIP DRIVER IC IC651 AT+5V BU2977FS OS651 REM_IN S01/FL_SD_OUT FL_S_CLK FL_CS SYSCON CP651 CP602 KEY-A KEY A KEY-B KEY B CH.DOWN STOP/EJECT STILL/PAUSE CP607 CP652 Q651 D602 ONE TOUCH PB...

  • Page 64: Power Block Diagram

    POWER BLOCK DIAGRAM T501 HEATER_DC + DISPLAY/ OPERATION HEATER_DC - -30V +32V Q512 P.CON P.CON+12V 12V SW Q509 P.CON 5V SW P.CON+5V IC501 KIA431 D505, D508 Q513 VOLTAGE D523, D528 CTL. IC P.ON SW Q518 Q503 Q502 Q511 OSD P.CON PHOTO P.CON+5V_A CONTROL...

  • Page 65: Deck Schematic Diagram

    DECK SCHEMATIC DIAGRAM (DECK PCB) LOADING MOTOR M101 S105 BOT SENSOR S106 Q101 RPT-38PB113 S101 S102 S103 S104 FROM/TO SYSCON CP101 52044-0445 LDM+ LDM- PCB550 VE8851 CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT NOTE: NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME THE DC VOLTAGE AT EACH PART WAS CRITICAL FOR SAFETY,USE ONES...

  • Page 66: Operation Schematic Diagram

    OPERATION SCHEMATIC DIAGRAM (OPERATION 2 PCB) (OPERATION 1 PCB) HIFI FRONT JACK J601 JPJ3656-01-432 R601_1 R602_1 R603_1 R604_1 R605_1 R607_1 FROM/TO DISPLAY 13K 1/4W 6.8K 1/4W 3.9K 1/4W 2.7K 1/4W 3.3K 1/4W 1.5K 1/4W CP607 (CP652) IMSA-9604S-08Z13 ONE TOUCH PB KEY B TO DISPLAY FRONT_V_IN...
  • Page 67 PRINTED CIRCUIT BOARDS OPERATION1 OPERATION2 SOLDER SIDE SOLDER SIDE J601 CP602 D602 R610_1 R609_1 R614_1 R608_1 SW610 SW609 SW604 CP607 DECK SOLDER SIDE CP101 S101 S105 S106 S104 S102 S103 Q101...

  • Page 68: Printed Circuit Boards (Operation1/2/Deck

    PRINTED CIRCUIT BOARDS SYSCON R4004 C4068 R4021 R4009 R4204 R4072 Q4003 R4008 C4009 R4001 R4015 Q4205 C5530 R5517 C5503 C5504 R5503 S101Y R4047 R6008 R4081 C4048 R1032 R4043 R4059 R4050 R4053 C4077 Q4008 C1066 C4055 R4046 C515 R4060 C501 C507 C1004 R1016 Q1007...
  • Page 69 PRINTED CIRCUIT BOARDS SYSCON...
  • Page 70 PRINTED CIRCUIT BOARDS SYSCON R4004 C4068 R4021 R4009 R4204 R4072 Q4003 R4008 C4009 R4001 R4015 Q4205 C5530 R5517 C5503 C5504 R5503 S101Y R4047 R6008 R4081 C4048 R1032 R4043 R4059 R4050 R4053 C4077 Q4008 C1066 C4055 R4046 C515 R4060 C501 C507 C1004 R1016 Q1007...

  • Page 71: Y/C/Audio/Ccd/Head Amp Schematic Diagram

    Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) L4002 47uH 0305 FROM POWER L4008 P.CON+5V 47uH 0305 BUFFER Q4007 2SC1815Y R4065 FROM/TO HIFI/DEMODUTATOR FROM/TO HIFI/DEMODUTATOR BUFFER 2.2K FROM/TO TUNER Q4008 2SC2412K TO_NORMAL_A R4007 V.ENV 4FSC FROM_NORMAL_A R4033 TP4001 100 1/4W 1K 1/4W HF_COM TUNER_V Y/C/AUDIO/CCD/HEAD AMP IC...

  • Page 72: System Control Schematic Diagram

    SYSTEM CONTROL SCHEMATIC DIAGRAM FROM/TO POWER P.CON+5V_A (SYSCON PCB) P.CON+5V_CAP P.CON+5V AT+12.6_V FROM/TO AT+5V Y/C/AUDIO/CCD/H.AMP AT+5V[M-CON] TP1002 H.SW POWER_ON-L POWER_ON-L C1036 DOC_XO_CTL R1061 IIC_DATA POWER-FAIL INPUT_SEL POWER_FAIL IIC_CLK 4FSC H.SW X1001 H.AMP_SW 10MHz ENV.DET R1034 (CYL) AUDIO_MUTE-H (S/S) C.ROTARY DUMMY_V.SYNC (CAP) V.REC_ST-H (LDM)

  • Page 73: Tuner Schematic Diagram

    TUNER SCHEMATIC DIAGRAM (SYSCON PCB) RF-SW SW6001 SSAB110100 REAR OUT JACK TU6001 J4201 JPJ4311-011432 TMDH2-A05A R6006 RF_CONV_A.OUT A.IN FROM/TO Y/C/AUDIO/CCD/H.AMP VIDEO OUT L6001 P.CON+5V TP4201 100uH 0305 TV/VCR CONTROL R6004 V.IN TUNER_V 1K1/4W C6001 22P CH RF AGC C6007 27P CH FROM/TO HIFI/DEMODULATOR R6009 IIC_CLK...

  • Page 74: Hifi/Demodulator Schematic Diagram

    HIFI/DEMODULATOR SCHEMATIC DIAGRAM (SYSCON PCB) C5514 0.1 B C5521 R5519 3.3K 1/4W 0.22 FROM DISPLAY FRONT_A_IN-R FRONT_A_IN-L R5513 2.2M HI-FI AUDIO/HEAD AMP/DEM IC FROM/TO TUNER IC5501 AN3662FBP AUDIO_OUT-R C5506 C5540 0.015 B DEM_BLK ZZ-PROM AUDIO_OUT-L PILOT LOGIC C5517 C5507 INPUT MUTE VCO-F0 75uS...

  • Page 75: Power Schematic Diagram

    POWER SCHEMATIC DIAGRAM (SYSCON PCB) TO HIFI/DEMODULATOR P.CON+5V P.CON+12V TO TUNER (TUNER) D520 +32V MTZJ33B 12.9 12.1 P.CON+12V P.CON+12V SW 12.7 AT+5V Q512 2SD734 P.CON+5V R525 TO Y/C/AUDIO/CCD/H.AMP 1/4W P.ON SW D515 Q513 12.8 R503 DTC124EKA 1SS244 P.CON+5V L501 D505 0R3A433F20 FROM/TO SYSCON 1N4005E...

  • Page 76: Display Schematic Diagram

    DISPLAY SCHEMATIC DIAGRAM (SYSCON PCB) V651 SVV-07SS22 SLPM 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 FROM POWER NC NC HEATER_DC- R662 HEATER_DC+ -30V AT+5V -20.3 -15.9 -5.5 -7.7 -8.0 -15.9 -27.1 -7.6 -18.1 -7.9...

  • Page 77: Interconnection Diagram

    INTERCONNECTION DIAGRAM HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR HALL HALL SWITCH LOGIC CP1002 MOTOR GND I LIMIT VCO(12V) CAP.M F/R VCC(5V) CAPSTAN DD UNIT WHITE M2001 BLACK CD501 CP501 AC120V_60Hz A/C HEAD H5001 CD1002 CP4002 AUDIO PB AUDIO PB AUDIO AUDIO REC AUDIO REC...

  • Page 78: Waveforms

    WAVEFORMS Y/C/AUDIO/CCD/ SYSCON HEAD AMP POWER ON 11 PB 200ms 1.0V/div 200µs 1.0V/div 10µs 500mV/div POWER 2 POWER ON 200ms 1.0V/div 2µs 50.0V/div 100ns 100mV/div HIFI/DEMODULATOR 3 PB POWER ON 1ms 100mV/div 50ns 500mV/div 5ms 1.0V/div 500µs 1.0V/div 500µs 200mV/div NOTE: The following waveforms were measured at the point of the corresponding 5 REC balloon number in the schematic diagram.

  • Page 79: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW TU6001 J4201 PCB010 T501 (SYSCON PCB) PCB280 (OPERATION 2 PCB) PCB270 (OPERATION 1 PCB) K1-1...

  • Page 80: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY S4-C9A-2B7-200 CABINET,FRONT ASS'Y ---- CABINET,FRONT S1-1WP-D05-790 PLATE,DISPLAY S1-2WP-J06-840 FLAP S2-344-900-130 BADGE,BRAND S3-5WP-D06-960 BUTTON,CHANNEL S3-5WP-D06-020 BUTTON,OTPB S3-5WP-D06-910 BUTTON,REC S0-1WP-A03-420 HOLDER,DECK(FIP) S3-5WP-D06-920 BUTTON,STOP/EJECT S0-4WP-A00-070 HOLDER,DECK(R) ---- SHIELD,CASE HEAD AMP ASS'Y ---- RUBBER,SYSCON 8x15xT17.5 FILM,DECORATION ---- ----...

  • Page 81: Chassis Exploded View (Top View)

    CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5001 H5002 M101 PCB550 (DECK PCB ASS'Y) NOTE: Applying positions AA, AB, AC, AD and BA for CLASS PART NO. MARK the grease or oil are displayed for this section. GREASE G-555G Check if the correct grease or oil is applied for G-488M each position.

  • Page 82: Chassis Exploded View (Bottom View)

    CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 NOTE: Applying positions AA, AB, AC, AD and BA for CLASS PART NO. MARK the grease or oil are displayed for this section. GREASE G-555G Check if the correct grease or oil is applied for each position.

  • Page 83: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY REF. NO. PART NO. DESCRIPTION Q'TY ---- DECK ASS'Y A4C931B420A S5-OP9-006-860 TAPE GUIDE R S5-OP9-007-140 COVER,SENSOR L3 S5-OA5-000-220 AHC ASS'Y S5-OP9-006-880 LEVER,FLAP S5-OP2-002-900 BELT,CAPSTAN (S) S5-OP9-006-900 CASS HOLDER S5-OP9-007-100 LEVER,REC S5-OP6-005-400 DRIVER,WORM S5-OP5-000-830 BASE,AC HEAD S5-OP9-007-130 LOCKER,R2...

  • Page 84: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION SYSCON PCB ASS'Y *** CAPACITORS *** *** RESISTORS *** C5517 87-010-545-040 CAP,E 0.22-50 V C5518 S2-35M-13R-3K0 CAP,TANTAL 3.3-10V ! R508 S6-55U-433-1J0 RES,FUSE 330-1/4W C5521 87-010-545-040 CAP,E 0.22-50 V ! R511 87-025-576-060 RES,M 68-1W...
  • Page 85 ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION *** TRANSISTORS *** *** CONNECTORS *** ! Q509 SD-3T0-124-600 TR,2SD1246(S,T)-AA CP4001 S6-972-906-200 CONN PWB SIDE ! Q510 S0-025-004-800 PHOTO,COUPLER TLP621 CP4002 S6-9J7-600-190 CONN,IMSA-9604S-06Z13 ! Q511 S0-025-004-800 PHOTO,COUPLER TLP621 CP4003 S6-971-203-200 CONN...
  • Page 86 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 737004 Printed in Japan...

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