1. Manuals
  2. Brands
  3. Aiwa Manuals
  4. TV VCR Combo
  5. VX-S207
  6. Service manual

Aiwa VX-S207 Service Manual

Integrated color tv / stereo video cassette recorder
Hide thumbs Also See for VX-S207:
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
INTEGRATED COLOR TV / STEREO VIDEO
CASSETTE RECORDER
VERSION
There are 2 types for this model. Because, PCB and Parts are different each other.
VERSION
This manual is for VERSION "B" in the above List.
REVISION PUBLISHING 1
A
A51KSV43X07(M0)
B
A51KST93X31(VM0)
A
672-0226001 ~ 672-0628960
B
672-0712001 ~
S/M Code No.09-003-341-4S1
VX-S207
BASIC TAPE MECHANISM : OVD-6
CRT
PWB070
TM9437A
TM9433A
SERIAL
U
PWB010
TC9296A
TC9293A
S/M PARTS No.
09-003-341-4N1
09-003-341-4S1

Advertisement

Table of Contents
loading

Related Manuals for Aiwa VX-S207

Summary of Contents for Aiwa VX-S207

  • Page 1 VX-S207 SERVICE MANUAL INTEGRATED COLOR TV / STEREO VIDEO BASIC TAPE MECHANISM : OVD-6 CASSETTE RECORDER REVISION PUBLISHING 1 VERSION PWB070 PWB010 A51KSV43X07(M0) TM9437A TC9296A A51KST93X31(VM0) TM9433A TC9293A There are 2 types for this model. Because, PCB and Parts are different each other.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS ..............................A1-1 SERVICING NOTICES ON CHECKING ..........................A2-1 DISASSEMBLY INSTRUCTIONS REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ................... B1-1, B1-2 REMOVAL OF DECK PARTS ............................B2-1~B2-5 REMOVAL OF ANODE CAP ............................B3-1 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..................... B4-1, B4-2 KEY TO ABBREVIATIONS ..............................

  • Page 3: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, they are Safety is secured against an X-ray by considering about indicated with the labels or seals on the cabinet, chassis the cathode-ray tube and the high voltage and parts.

  • Page 4: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/VCR BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.W. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP303, CP401, CP502, CP4201 and CP4202). Remove the 2 screws 1. Unlock the support 2.
  • Page 5 DISASSEMBLY INSTRUCTIONS 1-5: DECK SHIELD PLATE (Refer to Fig. 1-5) 1-7: JACK PLATE AND SYSCON PWB (Refer to Fig. 1-7) Remove the 2 screws 1. Remove the screw 1. Remove the screw 2. Remove the Syscon PWB in the direction of arrow (A). Remove the 2 screws 3.

  • Page 6: 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 7 DISASSEMBLY INSTRUCTIONS 2-6: LINK ASS'Y (Refer to Fig. 2-6) 2-9: TENSION ASS'Y (Refer to Fig. 2-9-B) Set the Link Ass'y to the Eject position. Turn the Middle Gear clockwise so that the Tension Remove the (A) side of the Link Ass'y first, then remove Holder hook, is set to the position of Fig.
  • Page 8 DISASSEMBLY INSTRUCTIONS 2-10: T BRAKE ASS'Y (Refer to Fig. 2-10) Remove the T Brake Spring. P5 Spring Remove the T Brake Ass'y. Cassette Opener T Brake Ass'y Pinch Roller Ass'y P5 Arm Ass'y T Brake Spring Pinch Roller Lever Main Chassis •...
  • Page 9 DISASSEMBLY INSTRUCTIONS Capstan Belt Capstan DD Unit Spring Position Fig. 2-13-B 2-14: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-14) Remove the screw 1. Remove the FE Head. • Screw Torque: 4 ± 0.5kgf•cm Fig. 2-16 FE Head 2-17: MIDDLE GEAR/MAIN CAM (Refer to Fig. 2-17-A) Remove the Polyslider Washer 1, then remove the Middle Gear.
  • Page 10 DISASSEMBLY INSTRUCTIONS 2-18: CLUTCH ASS'Y (Refer to Fig. 2-18) NOTE Remove the Capstan Brake Spring. When you install the Loading Arm S Ass'y, Loading Arm T Remove the Polyslider Washer 1. Ass'y and Main Loading Gear, align each marker. (Refer to Fig.

  • Page 11: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 3. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.

  • Page 12: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 4-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 13 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 14: 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 15 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 16: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, Unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously.

  • Page 17: 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 18 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 19: 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. NOTE: Initial Data setting will not be possible if clock has been set.

  • Page 20: 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 21: Preparation For Servicing

    PREPARATION FOR SERVICING Basic Servicing Position (In case of needing to check on all blocks) Unplug the connector CP4201, CP4202 and CP303, then remove the TV/VCR Block from the set. Unplug the connector CP810, CP820 and CP850, then remove the Main PWB from the VCR Block. Connect as shown in the below figure using the Service Fixture.
  • Page 22 PREPARATION FOR SERVICING Servicing Position for Main PWB (In case of needing to check on Main PWB) • It's possible to get the Servicing Position without the extension Jig if you arrange the unit as shown below. (But L503 connection can not be done, Degauss circuit will not operate.) L503 (2 Pin) VHS Tape Main PWB...

  • Page 23: 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 24: 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 25: Confirmation And Adjustment Of Tape Running Mechanism

    MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following on the S Reel. Set to the Picture Search (Rewind) mode. parts. (Refer to Fig.1-4-B) Replacement Part Check item Then, confirm that it indicates 120~180gf•cm.
  • Page 26 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 27: Mechanism Adjustment Parts Location Guide

    MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Adjust P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel Ass'y 4. P1 Post Idler Ass'y 5. Audio/Control Head S-S Brake Spring 6. X value adjustment driver hole S Reel D1-4...

  • Page 28: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE Read and perform these adjustments when repairing the CH-2 circuits or replacing electrical parts or PWB assemblies. CAUTION When replacing IC's or transistors, use only specified 6.5H silicon grease (G746). (To prevent the damage to IC's and transistors.) CH-1 Fig.
  • Page 29 ELECTRICAL ADJUSTMENTS 2-5: STEREO SEPARATION 2-9: VERTICAL SIZE NOTE: Adjust after performing adjustments in section 2-4. NOTE: Adjust after performing adjustments in section 2-8. Receive the stereo signal. (L=2KHz, R=400Hz) Receive the cross hatch signal from the Pattern Connect the AC voltmeter to AUDIO OUT L/R through Generator.
  • Page 30 ELECTRICAL ADJUSTMENTS 2-14: SUB BRIGHTNESS 2-16: SUB TINT Receive the black pattern*. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness, contrast, contrast to normal position. color and tint to normal position.
  • Page 31 ELECTRICAL ADJUSTMENTS 2-20: WHITE BALANCE NOTE: Adjust after performing CUT OFF adjustment. Place the set with Aging Test for more than 15 minutes. Receive the white 100% signal from the Pattern Generator. Using the remote control, set the brightness and contrast to normal position.

  • Page 32: Electrical Adjustment Parts Location Guide

    ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (VCR SECTION) TP1001 TP1002 TP4001 TU601 CP603 L610 TP601 TP4201 J4201 SYSCON PWB D2-5...
  • Page 33 ELECTRICAL ADJUSTMENTS (TV SECTION) TP803 J801 TP801 CRT PWB VR502 TP401 T501 FOCUS VOLUME FB401 SCREEN VOLUME MAIN PWB D2-6...

  • Page 34: Purity And Convergence Adjustments

    ELECTRICAL ADJUSTMENTS 4. PURITY AND CONVERGENCE 4-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 4-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.

  • Page 35: Troubleshooting Guide

    TROUBLESHOOTING GUIDE (Television division) (In case that there isn't a normal tension for time to do ( 1 ) that a power supply doesn't standby CD810 every terminal) enter Is there output on the Voltage of C507 is Investigate R501 and F501. secondary of T501 it normal? dimensions or not?
  • Page 36 TROUBLESHOOTING GUIDE (in case that there is a normal tension for time to do ( 2 ) that a power supply doesn't standby CD810 every terminal) enter Is the voltage 5V for Investigate D1006 and D1011. IC1001 99th pin or not? Is the voltage of IC1001 Investigate D1015 and Q1023.
  • Page 37 TROUBLESHOOTING GUIDE A voice isn't though an image appears Investigate IC701 first pin and Whether does a signal Whether does a signal 11th pin. Then investigate come to IC351 3rd pin come to IC301 2nd pin IC6602 8, 9th pin and 12th pin and 6th pin or not? and 19th pin or not? or a peripheral circuit.
  • Page 38 TROUBLESHOOTING GUIDE A color doesn't adhere to it Whether is wave form of Investigate X604. IC604 47th pin normal or not? Whether is wave form of Investigate IC604. IC604 54th pin normal or not? IC604 17th pin, 18th pin, and whether is wave form Investigate IC604.
  • Page 39 TROUBLESHOOTING GUIDE An image doesn't appear Whether does video signal Investigate IC701 and a appear for IC701 17th pin peripheral circuit. or not? Is the voltage DC 5V for Investigate P.CON 5V line. IC604 6th pin or not? Whether is a luminance Investigate IC604.
  • Page 40 TROUBLESHOOTING GUIDE An only horizontal line appears Is the voltage DC 25V for Investigate R452. IC401 6th pin or not? Investigate CRT, IC401 and a Is the voltage DC 14V for peripheral circuit. IC401 2nd pin or not? Whether does a vertical Investigate IC604.
  • Page 41 TROUBLESHOOTING GUIDE (Video division) Release playback Insert a cassette, push a PLAY button. Investigate a tape roading, Is the playback released roading belt, mode sensor, DD approximately 3 seconds motor, and cylinder motor. later? Is the playback released Investigate a reel sensor and approximately 6 seconds reel belt.
  • Page 42 TROUBLESHOOTING GUIDE When playback, a screen doesn't appear Whether it takes 5V for Investigate a power supply Whether does a screen IC4001 16, 25, 40, 55, circuit. of E-E appear or not? 58, 75, 87th pin or not? Whether there are PB Investigate a connection of Y/C signal for TP4001 IC4001 and cylinder.
  • Page 43 TROUBLESHOOTING GUIDE When playback, a color doesn't adhere to it Whether does FM Investigate CP4001 and the envelope appear for peripheral circuit. TP4001 or not? Whether does CHROMA Investigate Q4008 and the signal appear for IC4001 peripheral circuit. 71st pin or not? Whether does composite signal appear for IC4001 Exchange IC4001.
  • Page 44 TROUBLESHOOTING GUIDE Noise (it is really back to have cleaned a head) for a picture when playback Whether does Exchange cylinder unit and TP4001 FM signal CP4001. appear or not? There is FM signal for IC4001 41st pin, and Investigate a peripheral doesn't a noise circuit of IC4001 46th pin.
  • Page 45 TROUBLESHOOTING GUIDE No color during self recording and playback Investigate a video input Whether there is a circuit. (FRONT, and REAR video signal for IC4001 VIDEO IN) 29th pin or not? Whether there is Investigate Q4010 peripheral CHROMA signal for circuit.
  • Page 46 TROUBLESHOOTING GUIDE When playback, a sound doesn't appear Whether does a It refers to a clause of " E-E sound appear doesn't appear". with E-E or not? Investigates wound, whether a connector with an audio head is complete and inserted into Whether there is an CP4005 to investigate whether audio signal for IC4001...
  • Page 47 TROUBLESHOOTING GUIDE Capstan DD motor doesn't rotate When playback, is a Investigate a power supply tension of 8th pin of circuit. CP1004 5V? When playback, voltage of 4th pin of CP1004 2.5V or Exchange IC1001. whether is IC1001 12th pin 2.5V or not? When being reborn, is Exchange IC1001.
  • Page 48 TROUBLESHOOTING GUIDE A audio can't record it A bias level with L4003 Investigate Q4005 and is OK (approximately Q4006 peripheral circuit. 40Vp-p) Whether there is an Investigate a circuit to IC4001 audio signal for IC4001 76th pin with IC5501 61st pin. 76th pin or not? Whether there is an Investigate IC4001 and the...
  • Page 49 TROUBLESHOOTING GUIDE Though a cassette can insert it, a tape doesn't move Investigate a portion related to Does mode indicator roading motor and a mode appear in Display? sensor. Does VCR operate with Investigate IC1001 and CP1005. the remote control? Investigate a tact SW.
  • Page 50 TROUBLESHOOTING GUIDE Recording mechanism works, but no video recorded from input jack or tuner Whether there is a Investigate video input jack and video signal for IC4001 IC4001, tuner and IC4001 36, 38th pin or not? circuit. Whether there is a video Whether there is a signal for IC4001 41st video signal for IC4001...
  • Page 51 TROUBLESHOOTING GUIDE No E-E (no video and audio from tuner) Whether TU601 7th pin Investigate a power supply is 5V or not, whether is circuit. 9th pin 30V or not? Whether is IC604 6 and Investigate 5V and 9V lines. 28th pin 5V or not? Whether there is a Investigate a line of IC4001...
  • Page 52 TROUBLESHOOTING GUIDE Cylinder not rotating during playback and recording Whether is a voltage of Investigate UNREG 12V line of a CP1005 2nd pin DC 12V MAIN PCB. approximately or not? When playback, is a voltage of 5th pin of Exchange a cylinder motor. CP1005 DC 1.2V approximately? When playback, is a...
  • Page 53 TROUBLESHOOTING GUIDE A sound shakes Whether is an audio Exchange an audio head. head wounded or not? Whether is an input level of IC1001 87th Exchange capstan DD unit. pin a sine wave of 2.5Vp-p or not? When playback, is a When playback, is a tension of 65th pin of tension of 3rd pin of...
  • Page 54 TROUBLESHOOTING GUIDE A cassette tape can't insert it Whether does WORM Investigate a front roading gear gear of a cassette roading and LOCKER. block move or not? When not inserting Investigate IC1001 to a cassette more, is investigate LED and a tension of 3, 4th photosensor of a MAIN PCB pin of IC1001 0V?
  • Page 55 TROUBLESHOOTING GUIDE When inserting cassette, it ejects immediately For whether it is a cassette Whether don't you defective product or not, enter it with an other cassette roading block cassette or not? defective product. If you cover an infrared Exchange EOT/BOT photo rays sensor, 3rd of IC1001, transister.
  • Page 56 TROUBLESHOOTING GUIDE FF/REW do not work When pushing FF/REW button, does the voltage Exchange IC1001. of 65th pin of IC1001 Investigate IC1001 72nd pin. change? Whether does the Investigate Q1001 and the voltage of CP1004 peripheral circuit. 4th pin change? Investigate deck mechanism.
  • Page 57 TROUBLESHOOTING GUIDE Tape loading is OK, but unloads immediately Whether it takes UNREG Investigate a power supply Whether does a 12V for CP1005 2nd pin circuit. cylinder rotate or not? or not? Whether is a voltage of a When playback, it whether DC 5V pulse depends takes 1.3V for 5th on IC1001 65th pin or not...
  • Page 58 TROUBLESHOOTING GUIDE When playback, a picture vertically finely shakes Whether does a noise appear for a screen or not? For tracking UP/DOWN Investigate P/B envelope. make, does a noise of a screen get with no? Whether is a height Adjust guide post height. of a guide post correct or not? Whether is PG SIFTER...
  • Page 59 TROUBLESHOOTING GUIDE Auto tracking doesn't work Whether does DC level Investigate IC4001 and cylinder of IC4001 93rd pin unit. change with manual tracking or not? Whether is VIDEO Exchange IC1001. SYNC in IC1001 59th pin or not? Investigate Y/C circuit. E-25...
  • Page 60 TROUBLESHOOTING GUIDE When playback, fast forward or rewind mode is activated, unit stops immediately Whether does It refers to a clause of "Capstan capstan DD motor DD motor doesn't rotate" rotate or not? Whether is capstan Exchange capstan belt. belt normal or not? Whether there is a reel sensor pulse signal for Investigate Q1001 and R1006.
  • Page 61 TROUBLESHOOTING GUIDE When playback, a picture horizontally shakes Whether is FG output level of CP1005 3rd Exchange a cylinder motor. pin approximately 4.5Vp-p or not? Do you hang a load, become approximately 4V for 1.3V or Exchange IC1001. cylinders voltage of CP1005 5th pin? Exchange a cylinder motor.

  • Page 62: Ic Descriptions

    IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name DESCRIPTION MSSEN-A Input terminal of mecha state sensor. MSSEN-B Tape end sensor input signal. Tape start sensor input signal. HI-FI-ENV Input terminal of HiFi RF envelope. VIDEO-ENV Input terminal of video RF envelope. AFT(MONI) Input terminal of AFT.
  • Page 63 IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name DESCRIPTION OSC-OUT2 O Condenser connection for OSC-OUT2. Ground. CM_ADV_VIDEO I/O Not used. CM_ADV_AUDIO Not used. OSD-VSS Ground. TAB SW Input terminal for judge the tape if it has TAB or not. SERVICE Input terminal for Service Mode.
  • Page 64 IC DESCRIPTION OEC7041A (IC1001) Pin No. Pin Name DESCRIPTION AMP-VSS Ground. DRUM-FG Input terminal for drum rotation signal detection. DRUM-PG Input terminal for DRUM PG signal detection. AMP-VREFOUT O Condenser connection for AMP-VREFOUT. AMP-VREFIN Condenser connection for AMP-VREFIN. Condenser connection for C. CTL- I/O Input and output terminal of Control Head.

  • Page 65: Servo Timing Chart

    SERVO TIMING CHART IC1001 (OEC7041A) DPG (0 PIN DFG *9 PIN H. SW. P CH 1 CH 2 !8 PIN V-SYNC (E-E) %9 PIN REC CTL (REC) (7 PIN V-SYNC (TRICK PB) !3 PIN • WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED F2-1...

  • Page 66: System Switch Mode

    SYSTEM SWITCH MODE : CAPSTAN FWD ROTATING SLOW : SETTING SPEED TO SERVO LOADING DIRECTION DIRECTION : MECHANICAL MOVEMENT AND CAPSTAN ROTATING (FWD) : CAPSTAN RVS ROTATING : MECHANICAL MOVEMENT (NO CAPSTAN ROTATING) DIRECTION EJECTION UNLOADING STP3 F. SLOW PB/STP STP2 FF/REW LIGHT...

  • Page 67: Semiconductor Base Connections

    SEMICONDUCTOR BASE CONNECTIONS DIODE CATHODE CATHODE ANODE ANODE 1SS133T-77 11E1N-TA1B2 21DQ09N-FC4 SID1050CM EM-553-F1T HZ11B3L TD 11EQS04N-TA1B2 21DQ09N-TA2B1 EQ-552-F1T HZ27-1L TD 11EQS04N-TA2B5 RM11C HZ30-1L TD 11ES1N-TA1B2 RM11C-LF-B1 HZ6A3L TD 1N4005E-6580-G23 RMPG06J-G3 MTZJ30B T-77 RD12FB-T7 RU2AM V1 MTZJ5.1B T-77 MTZJ5.6B T-77 MTZJ6.2B T-77 MTZJ6.8B T-77 MTZJ9.1B T-77 SB10-03A3...

  • Page 68: Semiconductor Base Connections

    SEMICONDUCTOR BASE CONNECTIONS TRANSISTOR 2SA1318(S,T)-AA DTC114ESTP 2SD2396(J,K) 2SC4160-OEC-YAC1 2SC2621(D,E)-RAC 2SC4217(D,E)-RAC 2SA1371(D,E)-AE DTC114TSTP 2SA733(C)-T_Q 2SB892(S,T)-AE 2SC1317(Q,R,S)-T 2SC1815Y(TPE2) 2SC2909(S,T)-AA 2SC3331(S,T,U)-A 2SC945(C)-T(P,Q) 2SA1037AKT146 RPI-352Q01R 2SD2499 SG-260 2SC2412KT146 R,S DTA124EKAT146 DTC114EKAT146 DTC114TKAT146 DTC124EKAT146 DTC143EKAT146...

  • Page 69: Y/C/Audio/Head Amp/In/Out

    TV BLOCK DIAGRAM V. OUTPUT IC401 LA7840 THERMAL R. SIGNAL PROTECTION G. SIGNAL PUMP B. SIGNAL COLOR SIGNAL LUMINANCE SIGNAL TUNER VIDEO SIGNAL AUDIO SIGNAL Q405 Q406 DEFLECTION SIGNAL H. DRIVE H. OUTPUT X604 3.579545MHz CHROMA/IF FB401 IC604 LA76814BM HIFI TU.A.OUT_1 J801 CLMP...

  • Page 70: Hifi

    Y/C/AUDIO/HEAD AMP/IN/OUT BLOCK DIAGRAM RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL HIFI HF COM RECORD COLOR SIGNAL Q4010 PLAYBACK COLOR SIGNAL BUFFER TUNER VIDEO SIGNAL AUDIO SIGNAL(REC) AUDIO SIGNAL (PB) CP4001 HF1 (R) Y/C/A/H.AMP IC4001 HF COM LA71170M-MPB 63 61 HF2 (L) SP CH1 (R) Q4008 SP COM...
  • Page 71 MICON/POWER/OPERATION BLOCK DIAGRAM SW1001 SYSCON_TIMER_SERVO IC1001 OEC7041A TAB SW POWER FAIL(DC) POWER_FAIL_L X-OUT(12MHz) X1001 12MHz X-IN(12MHz) AT+5.6V HI-FI-ENV. HIFI_ENV. MSSEN-A HIFI-H.SW HIFI_H.SW MS_SEN A P. CON 5V Q1009 STEREO SEL ST SELECT HIFI VCR_A_MUTE VCR_A_MUTE V.REC_ST_H MSSEN-B SYSTEM RESET MS_SEN B IC1002 RESET-L 3 OUT...
  • Page 72 HIFI BLOCK DIAGRAM J702 HIFI AUDIO/H.AMP/DEM IC5501 AN3662FBP FRONT_VIDEO_IN REAR_A_IN_R INPUT SW Y/C/AUDIO/ REAR_A_IN_L H.AMP/IN/OUT H.AUDIO_OUT_R Y/C/AUDIO/ OUTPUT HF_COM H.AMP/IN/OUT H.AUDIO_OUT_L Y/C_AUDIO TU.A.OUT_1 NORMAL_A FM LIM VCO-FO LOGIC V. REC_ST-H BLOCK HIFI_ENV. P.CON 5V HIFI_H.SW MICON/POWER/ OPERATION VCR_A_MUTE P.CON 9V LOGIC ST_SELECT TUNER VIDEO SIGNAL...

  • Page 73: Printed Wiring Boards (Operation/Front Jack/Deck

    PRINTED WIRING BOARDS OPERATION/FRONT JACK SOLDER SIDE W807 R777 R776 C755 CD751 W001 SW797 SW793 SW796 SW799 SW798 R778 R775 R773 R780 R771 R754 R774 R758 D795 D794 SW792 D791 OS753 SW791 R753 R761 R794 R772 W814 CD353 SW751 W802 C382 D751 W810...

  • Page 74: Operation Schematic Diagram

    OPERATION SCHEMATIC DIAGRAM (OPERATION PWB) PLAY BACK R758 D795 EM-553-F1T R778 R771 R772 R773 R774 1.5K 2.7K 5.6K R775 R776 R777 R780 FROM/TO I/O 1.5K 2.7K CD751 (CP4201) CH2C070A Vout W805 REMOCON OUT OS753 PIC-28143TH5 AT 5V POWER ON L OTPB LED KEY A T-REC LED...

  • Page 75: Front Jack Schematic Diagram

    FRONT JACK SCHEMATIC DIAGRAM (FRONT JACK PWB) J351 HSJ2630-010070 R380 C384 C382 R381 220 1/2W W819 220 1/2W B351 BL01RN1-A63 W810 W811 W816 TO I/O W802 CD353 (CP4202) CH2B027A FRONT VIDEO IN FRONT A IN L SOUND GND J702 SOUND OUT L JPJ3656-01-432 SP OUT L FRONT A IN R...

  • Page 76: Deck Schematic Diagram

    DECK SCHEMATIC DIAGRAM LOADING MOTOR M101 (DECK PWB) S105 BOT SENSOR Q101 S106 RPT-38PB113 S101 S102 S103 S104 FROM/TO MICON CP101 52044-0445 LDM+ LDM- FROM/TO MICON CP102 173979-2 EOT SENSOR Q102 RPT-38PB113 PWB550 VE8851 CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT...

  • Page 77: Printed Wiring Boards Syscon

    PRINTED WIRING BOARDS SYSCON Q4204 Q1006 C1075 Q1023 Q1012 R1038 Q1014 Q1008 Q1010 Q1017 Q1018 R1037 Q4209 Q4206 Q4202 Q4205 R603 C655_1 Q4201 C1007 C657 Q1002 R1008 R1003 R1028 R1061 Q4210 R1062 R1083 C689 C616 W144 Q1004 Q4211 Q4203 C1076 W849 R617 C1027...
  • Page 78 PRINTED WIRING BOARDS SYSCON CC4202 TP5502 CP4202 S818X CP1002 CP303 W278 W180 W819 W276 TP1002 S818Y W277 IC352 W890 C5518_1 W179 HS352 W279 W177 C351 W174 C311 W175 W841 C355 C5532 C5512 W050 C5539 C5527 W048 C301_1 W047 W200 W075 S821Y W251 W282...
  • Page 79 PRINTED WIRING BOARDS SYSCON Q4204 Q1006 C1075 Q1023 Q1012 R1038 Q1014 Q1008 Q1010 Q1017 Q1018 R1037 Q4209 Q4206 Q4202 Q4205 R603 C655_1 Q4201 C1007 C657 Q1002 R1008 R1003 R1028 R1061 Q4210 R1062 R1083 C689 C616 Q1004 W144 Q4211 Q4203 C1076 W849 R617 C1027...

  • Page 80: Y/C/Audio/Head Amp Schematic Diagram

    Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM R4029 (SYSCON PWB) TO SOUND AMP P.CON+5V D4008 FROM POWER S825X 11EQS04N P.CON+5V W818 FROM/TO I/O R4005 P.CON+10V Y/C_AUDIO C4080 1.5K BUFFER 6.3V GND_1 FROM/TO HIFI C4001 Q4008 C4056 R4074 2SC2412K FRONT_VIDEO_IN NORMAL_A R4044 0.056 B 1.8K 0.1 B REAR_VIDEO_IN...

  • Page 81: Micon Schematic Diagram

    SERVICE MICON SCHEMATIC DIAGRAM TP1001 (SYSCON PWB) D1011 D1006 SB10-03A3 FROM/TO POWER SB10-03A3 AT+5.6V R1032 P.CON+12V POWER_FAIL[DC] R1059 VCR_POWER_H BUFFER CAP_MID_H Q1016 CAP_VCO 2SC2412K C1055 R1001 330P CH MOTOR_GND R1029 X-RAY SW R1057 X_RAY 3.3K H.SW BUFFER Q1023 P.CON+5V[A] R1045 TP1002 Q1015 4.7K...

  • Page 82: Chroma/If Schematic Diagram

    CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PWB) FROM/TO MICON VCR_POWER_H TV_POWER_H R654 L612 D606 P.CON+5.6V[A] 100K 11E1N 22uH OSD_R W845 R655 OSD_G R616 BUFFER 6.8K OSD_B L602 Q602 OSD_BLK 2SA1037AK R629 1K BUFFER 15uH AFT_M L611 Q604 C674 BUFFER X_RAY 2SC2412K 47uH 82P CH Q603 2SC2412K...

  • Page 83: Hifi Schematic Diagram

    HIFI SCHEMATIC DIAGRAM (SYSCON PWB) C5521 R5518 0.22 B 2.7K C5514 0.1 B FROM/TO I/O HIFI AUDIO/H.AMP/DEM FRONT_A_IN_R IC5501 FRONT_A_IN_L AN3662FBP REAR_A_IN_R HIFI ENV REAR_A_IN_L TP5501 C5506 0.1 B C5540 0.015 B H_AUDIO_OUT_R DEM_BLK ZZ-PROM PILOT LOGIC H_AUDIO_OUT_L C5507 0.1 B C5541 0.22 B INPUT MUTE VCO-F0...

  • Page 84: In/Out Schematic Diagram

    IN/OUT SCHEMATIC DIAGRAM (SYSCON PWB) W804 ON TIMER LED SW Q4201 DTC114EKA LED SW OTPB Q4205 LED SW DTC114EKA Q4202 DTC114EKA T-REC PLAY LED SW LED SW Q4209 Q4206 DTC114EKA DTC114EKA W821 W825 TV POWER LED SW Q4204 DTC114EKA W823 FROM/TO SOUND AMP SP_OUT_R SOUND_R+...

  • Page 85: Power Schematic Diagram

    POWER SCHEMATIC DIAGRAM (SYSCON PWB) TO Y/C/A/H.AMP CAP MID VCC DRIVER P.CON+5V[A] Q1011 P.CON+10V 2SD2396 C1004 D1010 29.0 DRIVER 29.0 P.CON 5V DRIVER 1N4005E Q1010 Q1019 DTA124EKA 2SB892 W806 P.CON+5V[A] R1035 FROM/TO MICON 1.8K CAP VCC ADJ P.CON+5V[A] Q1012 AT+5.6V 2SC2412K CAP_MID_H R1065...

  • Page 86: Sound Amp Schematic Diagram

    SOUND AMP SCHEMATIC DIAGRAM (SYSCON PWB) SOUND_AMP IC352 AN7522 HS352 763WAA0027 W819 FROM/TO I/O SOUND_L+ C350 SOUND_R+ SP_OUT_R SP_OUT_L FROM CHROMA/IF B301 SOUND+B BL01RN1-A63 SOUND_GND FROM MICON R353 TV_POWER_H R359 TV_A_MUTE MUTE Q350 2SC2412K SDA_A SCL_A S816X S816Y C302 R306 FROM/TO I/O SOUND_GND 0.033 B...

  • Page 87: Printed Wiring Boards (Main/Crt

    PRINTED WIRING BOARDS MAIN/CRT SOLDER SIDE I-15...

  • Page 88: Deflection Schematic Diagram

    DEFLECTION SCHEMATIC DIAGRAM (MAIN PWB) V.OUTPUT IC401 LA7840 THERMAL PUMP UP PROTECTION 14.2 23.5 22.8 C412 500V 390P CP401 B05B-DVS TO DY C409 0.022 M R404 R413 R416 5.6K R403 150K FROM/TO CHROMA/IF CP820 (CD820) 8283_1112_00_000 SOUND GND SOUND+B CC004 HS401 TP-1S-05 VCR POWER_H...

  • Page 89: Tv Power Schematic Diagram

    TV POWER SCHEMATIC DIAGRAM (MAIN PWB) TV.POWER_H P.CON+125V 5A 125V 2.5A 250V 4A 125V 127.0 127.5 D532 R531 CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, 127.0 +B 100V DRIVE 11E1N 100V DRIVE REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V 6V POWER REG Q503 Q502...

  • Page 90: Crt Schematic Diagram

    CRT SCHEMATIC DIAGRAM (MAIN PWB) 132.9 104.1 132.8 132.5 TP801 FROM CHROMA/IF R802 J801 HPS3200-010501 CP850 (CD850) 12K 2W 8283_0512_00_000 W803 CUT OFF R807 132.5 G.OUT 2.7K 1/4W RED AMP R.OUT Q804 B.OUT 2SC4217 R811 4.7K TP802 R805 12K 2W 132.1 W804 GREEN AMP...

  • Page 91: Interconnection Diagram

    INTERCONNECTION DIAGRAM NOTE: THIS INTERCONNECTION DIAGRAM IS THE LATEST AT THE TIME CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE DESCRIBED IN PARTS LIST ONLY N’UTILISER QUE CELLS DECRITES TM101...

  • Page 92: Waveforms

    WAVEFORMS TV POWER Y/C/AUDIO/HEAD AMP 6 50V. 10µs/div 11 REC 1 5.0V 0.1ms/div 100mV. 10µs/div 1V. 0.5ms/div 1V. 5ms/div 0.5V. 0.2ms/div DEFLECTION 2 2.0V 20µs/div 50V. 10µs/div 100mV. 0.2ms/div 5V. 20µs/div 0.5V. 0.5ms/div 2V. 5ms/div DEFLECTION 8 10V. 10ms/div 200mV. 10ms/div 20mV.
  • Page 93 WAVEFORMS CHROMA/IF 31 200mV. 1ms/div 33 200mV. 10µs/div 34 50mV. 10µs/div 35 200mV. 10µs/div SOUND AMP 100mV. 1ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 94: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW J801 PWB110 (CRT PWB) L503 V801 FB401 PWB070 (MAIN PWB) SP302 PWB250 (AV PWB) PWB030 (OPERATION PWB) 118 127 SP301 119 120 K1-1...
  • Page 95 MECHANICAL EXPLODED VIEW TU601 PWB010 (SYSCON PWB) K1-2...

  • Page 96: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION Q'TY REF. NO. PART NO. DESCRIPTION Q'TY S5-610-1B7-200 CABI ASSY,FRONT S2-A97-A40-770 W,9.7-14-T0.7 ---- SHIELD,CASE HEAD AMP ASS'Y S9-9HV-3T0-000 HOLDER,ANODE WIRE ---- PLATE,EARTH-SYSCON ---- LABEL,ENEGY STAR S3-5WP-D06-830 BUTTON,REC S6-9WS-A00-110 WASHER CRT T=0.5 ---- HEAT SINK ----...

  • Page 97: Chassis Exploded View (Top View)

    CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5001 H5002 M101 PWB550 (DECK PWB ASS'Y) NOTE: Applying positions AA, AB, AC and BA for the CLASS PART NO. MARK grease or oil are displayed for this section. G-555G GREASE Check if the correct grease or oil is applied for MG-33 each position.

  • Page 98: Chassis Exploded View (Bottom View)

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

  • Page 99: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST REF. NO. PART.NO. DESCRIPTION Q'TY REF. NO. PART.NO. DESCRIPTION Q'TY ---- DECK ASSY A55901B420A S5-OP9-007-290 TAPE GUIDE, R S5-OP9-007-070 COVER,SENSOR L S5-OA5-000-220 AHC ASS'Y S5-OP9-006-880 LEVER,FLAP S5-OP2-002-700 BELT,CAPSTAN S5-OP9-006-900 CASS HOLDER S5-OP9-007-100 LEVER,REC S5-OP9-006-910 LOCKER,L S5-OP5-000-830 BASE,AC HEAD S5-OP9-006-920 LOCKER,R S5-OP8-003-240 SPR,AC HEAD S5-OP9-006-940 SPR,PACK...

  • Page 100: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION SYSCON PWB ASS'Y *** CAPACITORS *** *** RESISTORS *** C4062 87-015-075-040 CAP,E 10-16V C4063 87-015-695-080 CAP,E 1-50V R628 S4-X5T-682-3F0 RES,MF 82K-1/6W C4067 87-015-683-080 CAP,E 33-16V R640 S4-X5T-647-2F0 RES,M 4.7K-1/6W C4068 87-010-403-080 CAP,E 3.3-50V...
  • Page 101 ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION D5501 87-020-465-010 DIODE,1SS133T REF.NO. PART NO. DESCRIPTION *** ICS *** *** COILS *** IC301 87-A20-312-010 IC,M62420SP ! IC352 S0-FSP-752-200 IC,AN7522 L604 87-005-165-010 COIL,0.47UH ! IC604 S0-3FE-814-B00 IC,LA76814BM-MPB L605 87-003-152-010 COIL,100UH IC1001 S5-6F5-704-1A0 IC,OEC7041A L610 S3-360-203-880...
  • Page 102 ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION *** DIODES *** *** CAPACITORS *** D751 S0-21M-5Q1-500 LED,EM-553-F1T D791 S0-21M-2Q1-200 LED,EQ-552-F1T C511 S5-EZT-247-1M0 CAP,E 470-16V D792 S0-21M-2Q1-200 LED,EQ-552-F1T C514 S0-1BB-P7K-3K0 CAP,0.0027-2KV D793 S0-21M-2Q1-200 LED,EQ-552-F1T C516 87-012-376-010 CAP,CER 470PF-500V D794 S0-21M-2Q1-200 LED,EQ-552-F1T...
  • Page 103 ELECTRICAL REPLACEMENT PARTS LIST REF.NO. PART NO. DESCRIPTION ! Q405 S2-SC2-621-D00 TR,2SC2621(D,E) ! Q406 SD-UQ0-259-900 TR,2SD2599 *** TRANSISTORS *** REF.NO. PART NO. DESCRIPTION ! Q501 SC-3T0-290-900 TR,2SC2909 ! Q502 SA-3T1-371-A00 TR,2SA1371 *** CAPACITORS *** ! Q503 SC-300-416-000 TR,2SC4160-OEC ! Q504 89-318-154-080 TR,2SC1815Y C801...
  • Page 104 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 0251431 Printed in Singapore...

Table of Contents