Magnavox MC132EMG/17 Service Manual

Magnavox MC132EMG/17 Service Manual

Third generation. tv-vcr combination
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TV-VCR Combination
Service
Service
Service
Service Manual
Contents
Chapter
Sec. 1: Adjustment Procedures
Schematic Diagrams and CBA's
Exploded Views
Mechanical and Electrical Parts Lists
Sec. 2: Standard Maintenance
Mechanism Alignment Procedures
Disassembly / Assembly of Mechanism
Deck Exploded Views
Deck Parts List
This service manual is for MC132EMG/17 Third
Generation model, which is different from the
previous generation MC132EMG/17 models.
For Third Generation model, the serial number begins
with DD5Axxxxxxxxxx.
Refer to the rating label illustration at right.
c Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system or transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by FU-KC 0524 Service AV Systems
Survey of versions:
/17
NTSC
Printed in The Netherlands
MC132EMG/
Third Generation
rating label
serial number
Subject to modification
It`s Free
17
EN 3139 785 31370

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Summary of Contents for Magnavox MC132EMG/17

  • Page 1 Mechanism Alignment Procedures Disassembly / Assembly of Mechanism Deck Exploded Views Deck Parts List This service manual is for MC132EMG/17 Third rating label Generation model, which is different from the previous generation MC132EMG/17 models. For Third Generation model, the serial number begins with DD5Axxxxxxxxxx.
  • Page 2: Table Of Contents

    www.freeservicemanuals.info It`s Free MAIN SECTION TV-VCR Combination Sec. 1: Main Section I Adjustment Procedures I Schematic Diagrams and CBA’s I Exploded Views I Mechanical and Electrical Parts List TABLE OF CONTENTS IMPORTANT SAFETY PRECAUTIONS............1-1-1 STANDARD NOTES FOR SERVICING .
  • Page 3: Important Safety Precautions

    www.freeservicemanuals.info It`s Free IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 4 www.freeservicemanuals.info It`s Free may be called “horizontal disable” or “hold b. Some TV receiver chassis normally have 85V down.”) Read and apply the high voltage limits AC(RMS) between chassis and earth ground and, if the chassis is so equipped, the regardless of the AC plug polarity.
  • Page 5 www.freeservicemanuals.info It`s Free C. Use specified internal wiring. Note especially: 1) Wires covered with PVC tubing 2) Double insulated wires 3) High voltage leads D. Use specified insulating materials for hazardous live parts. Note especially: 1) Insulation Tape 2) PVC tubing 3) Spacers 4) Insulators for transistors.
  • Page 6 www.freeservicemanuals.info It`s Free Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. 1.
  • Page 7: Standard Notes For Servicing

    www.freeservicemanuals.info It`s Free STANDARD NOTES FOR SERVICING Circuit Board Indications How to Read the Values of the Rectangular Type Chip 1. The output pin of the 3 pin Regulator ICs is indicated as shown. Components Example: Top View Bottom View Input (a) Resistor 2.
  • Page 8 www.freeservicemanuals.info It`s Free • To reach at least a solder-temperature of 400°C, Replacement Procedures for • To stabilize the adjusted temperature at the solder- Leadless (Chip) Components • To exchange solder-tips for different applications. The Following Procedures are • Adjust your solder tool so that a temperature around Recommended for the Replacement of the 360°C - 380°C is reached and stabilized at the Leadless Components Used in this Unit.
  • Page 9 www.freeservicemanuals.info It`s Free 3. Installing the leadless component How to Remove / Install Flat Pack-IC a. Presolder the contact points of the circuit board. 1. Removal b. Press the part downward with tweezers and solder both electrodes as shown below. With Hot-Air Flat Pack-IC Desoldering Machine: Note: Do not glue the replacement leadless 1.
  • Page 10 www.freeservicemanuals.info It`s Free With Soldering Iron: being held by glue. When the flat pack-IC is removed from the CBA, handle it gently 1. Using desoldering braid, remove the solder from because it may be damaged if force is applied. all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily.
  • Page 11 www.freeservicemanuals.info It`s Free 2. Installation Instructions for Handling Semi- conductors 1. Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by easily.
  • Page 12: Preparation For Servicing

    www.freeservicemanuals.info It`s Free PREPARATION FOR SERVICING How to Enter the Service Mode Adjustment Mode Caution 1: Purity check mode: Shows Red, Green, Blue or White cyclically on the screen 1. Optical sensors system are used for Tape Start each time the [7] button is pressed. and End Sensor on this equipment.
  • Page 13: Operating Controls And Functions

    www.freeservicemanuals.info It`s Free OPERATING CONTROLS AND FUNCTIONS 1-4-1 T5515IB...
  • Page 14 www.freeservicemanuals.info It`s Free 1-4-2 T5515IB...
  • Page 15 www.freeservicemanuals.info It`s Free 1-4-3 T5515IB...
  • Page 16: Cabinet Disassembly Instructions

    www.freeservicemanuals.info It`s Free CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart desoldered. P = Spring, L = Locking Tab, S = Screw, This flowchart indicates the disassembly steps for the CN = Connector cabinet parts and the CBA in order to gain access to * = Unhook, Unlock, Release, Unplug, or Desolder item(s) to be serviced.
  • Page 17 www.freeservicemanuals.info It`s Free (S-1) [1] Rear Cabinet (S-1) (S-2) (S-1) Fig. D1 (S-1) (S-1) (S-2) (S-1) (S-1) [1] Rear Cabinet Fig. D2 1-5-2 T5515DC...
  • Page 18 www.freeservicemanuals.info It`s Free [2] Tray Chassis (S-3) (S-3) [3] Deck Unit (S-3) (S-6) [4] Main CBA (S-6) (S-6) (S-6) (S-5) (S-4) (S-7) Fig. D3 1-5-3 T5515DC...
  • Page 19 www.freeservicemanuals.info It`s Free ANODE CAP. (S-8) CRT CBA (S-8) (S-8) (S-8) [5] CRT Fig. D4 1-5-4 T5515DC...
  • Page 20 www.freeservicemanuals.info It`s Free ANODE CL502A CN505 CL501A CRT CBA FOCUS SCREEN TO SPEAKER MAIN CBA CL403 TO DEGAUSS COIL CN801 CN601 AC CORD CL502B CL401 CL402 CN571 CL201 CL501B CYLINDER CAPSTAN ASSEMBLY MOTOR ACE HEAD FE HEAD DECK UNIT ASSEMBLY Fig.
  • Page 21: Electrical Adjustment Instructions

    www.freeservicemanuals.info It`s Free ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for How to Set Up the Service mode: “Circuit Board Assembly.” Service mode: Note: Electrical adjustments are required after 1. Use the service remote control unit. replacing circuit components and certain mechanical parts.
  • Page 22 www.freeservicemanuals.info It`s Free 3. H Adjustment 4. C-Trap Adjustment Purpose: To get correct horizontal position and size of Purpose: To get minimum leakage of the color signal screen image. carrier. Symptom of Misadjustment: Horizontal position and Symptom of Misadjustment: If C-Trap Adjustment is size of screen image may not be properly displayed.
  • Page 23 www.freeservicemanuals.info It`s Free 5. Setting for Y DL Time TV, Y DL Time EXT, Y SW LPF, Black C-TRAP Adjustment (Factory mode) Stretch Off, Black Stretch CONT and C. Angle Data Values button button C-TRP 0 C-TRP 1 Purpose: To get minimum leakage of the color signal carrier.
  • Page 24 www.freeservicemanuals.info It`s Free 6. V. Size Adjustment 8. H. Shift Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position and image. size of screen image. Symptom of Misadjustment: If V. Size is incorrect, Symptom of Misadjustment: Horizontal position and vertical height of image on the screen may not be size of screen image may not be properly displayed.
  • Page 25 www.freeservicemanuals.info It`s Free 4. Press the [VOL p] button. 10. Sub-Brightness Adjustment (Press [VOL p] button then display will change Purpose: To get proper brightness. CUT OFF/DRIVE adjustment). 5. Choose CUT OFF/DRIVE mode then press [1] Symptom of Misadjustment: If Sub-Brightness is button.
  • Page 26 www.freeservicemanuals.info It`s Free 11. Focus Adjustment The following 2 adjustments normally are not attempted in the field. They should be done only Purpose: Set the optimum Focus. when replacing the CRT then adjust as a preparation. Symptom of Misadjustment: If Focus Adjustment is incorrect, blurred images are shown on the display.
  • Page 27 www.freeservicemanuals.info It`s Free 15. Convergence Adjustment 6. Fix the Deflection Yoke by carefully inserting the DY Wedges between CRT and Deflection Yoke. Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjustment is incorrect, the edge of white letters may have color edges.
  • Page 28 www.freeservicemanuals.info It`s Free Adjustment Points and Test Points Main CBA TP201 TP402 TP402 TP301 V-ENV V-ENV V-OUT TP202 J271 RF-SW B-OUT C613 GND (+B Adjustment) VR601 +B ADJ D613 Cathode (+B Adjustment) UPPER R583 FOCUS VR (H Adjustment) LOWER SCREEN VR 1-6-8 T5515EA...
  • Page 29: How To Initialize The Tv/Vcr Combination

    www.freeservicemanuals.info It`s Free HOW TO INITIALIZE THE TV/VCR COMBINATION To put the program back at the factory-default, initialize the TV/VCR Combination as the following procedure. 1. Use the service remote control unit. 2. Turn the power on. (Use main power on the TV unit.) 3.
  • Page 30: Block Diagrams

    www.freeservicemanuals.info It`s Free BLOCK DIAGRAMS Servo/System Control Block Diagram T5515BLS 1-8-1...
  • Page 31 www.freeservicemanuals.info It`s Free Video Block Diagram T5515BLV 1-8-2...
  • Page 32 www.freeservicemanuals.info It`s Free Audio Block Diagram T5515BLA 1-8-3...
  • Page 33 www.freeservicemanuals.info It`s Free Chroma/Tuner Block Diagram T5515BLC 1-8-4...
  • Page 34 www.freeservicemanuals.info It`s Free CRT/H.V. Block Diagram T5515BLCRT 1-8-5...
  • Page 35 www.freeservicemanuals.info It`s Free Power Supply Block Diagram T5515BLP 1-8-6...
  • Page 36: Schematic Diagrams / Cba's And Test Points

    www.freeservicemanuals.info It`s Free SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Notes: 1. Do not use the part number shown on these WARNING drawings for ordering. The correct part number is shown in the parts list, and may be slightly Critical components having special safety different or amended since these drawings were characteristics are identified with a # by the Ref.
  • Page 37 www.freeservicemanuals.info It`s Free Main 1/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CONNECTOR RESISTORS RESISTORS C203 CL201 R219 R269 C206 DIODES R220 R270 C207 D203 R221 R273 C208 D204 R222 R274 C210...
  • Page 38 www.freeservicemanuals.info It`s Free Main 1/5 & Sensor Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY mode REC mode “ “ = SMD (2.5) The same voltage for Indicates that the voltage both PLAY &...
  • Page 39 www.freeservicemanuals.info It`s Free Main 2/5 Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY mode REC mode “ “ = SMD (2.5) The same voltage for Indicates that the voltage both PLAY & REC modes. is not consistent here.
  • Page 40 www.freeservicemanuals.info It`s Free Main 2/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS COILS RESISTORS C410 C803 L404 R803 C411 C804 L871 R804 C412 C805 L872 R805 R806 C413 C852 TRANSISTORS R807...
  • Page 41 www.freeservicemanuals.info It`s Free Main 3/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS DIODES RESISTORS C002 C320 D315 R308 C003 C321 R310 C005 C322 IC001 R312 C007 C323 IC301 R314 C008 C324...
  • Page 42 www.freeservicemanuals.info It`s Free Main 3/5 Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY mode REC mode “ “ = SMD (2.5) The same voltage for Indicates that the voltage both PLAY & REC modes. is not consistent here.
  • Page 43 www.freeservicemanuals.info It`s Free Main 4/5 Schematic Diagram VOLTAGE CHART (Power off mode) Ref. No. IC601 11.0 10.0 16.0 Ref. No. CAUTION ! IC602 Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: Ref. No. Q601 137.0 If Main Fuse (F601) is blown , check to see that all components in the power supply...
  • Page 44 www.freeservicemanuals.info It`s Free Main 4/5 Schematic Diagram Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS TRANSISTORS DIODES RESISTORS C601 D607 Q602 R639 C602 D609 Q604 R640 C605 D610 Q605 R641 C606 D611 Q606 R642 C607...
  • Page 45 www.freeservicemanuals.info It`s Free Main 5/5 & CRT Schematic Diagram Parts Location Guide MAIN 5/5 SCHEMATIC DIAGRAM PARTS LOCATION GUIDE Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CONNECTORS RESISTORS RESISTORS AA-2 C552 CN571 R551 R579 AA-2 C553 DIODES...
  • Page 46 www.freeservicemanuals.info It`s Free Main 5/5 & CRT Schematic Diagram Voltage indications for PLAY and REC modes on the Schematic Diagrams are as shown below: PLAY mode REC mode “ “ = SMD (2.5) The same voltage for Indicates that the voltage both PLAY &...
  • Page 47 www.freeservicemanuals.info It`s Free Main CBA Parts Location Guide Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position Ref No. Position CAPACITORS CAPACITORS...
  • Page 48 www.freeservicemanuals.info It`s Free Main CBA Top View CAUTION ! Sensor CBA Top View Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire, circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 49 www.freeservicemanuals.info It`s Free Main CBA Bottom View Because a hot chassis ground is present in the power CAUTION ! supply circuit, an isolation transformer must be used. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, Also, in order to have the ability to increase the input...
  • Page 50 www.freeservicemanuals.info It`s Free CRT CBA Top View CRT CBA Bottom View CRT CBA PARTS LOCATION GUIDE Ref No. Position Ref No. Position Ref No. Position CAPACITORS RESISTORS RESISTORS C501 R510 R527 C502 R511 R530 C511 R512 R531 C521 R513 R532 C531 R515 R533...
  • Page 51: Waveforms

    www.freeservicemanuals.info It`s Free WAVEFORMS Z13WF 1-10-1...
  • Page 52: Wiring Diagram

    www.freeservicemanuals.info It`s Free WIRING DIAGRAM 1-11-1 T5515WI...
  • Page 53: System Control Timing Charts

    www.freeservicemanuals.info It`s Free SYSTEM CONTROL TIMING CHARTS Chart 1 EJECT ST-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV SFT-SW STOP(B) POWER LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD RS1(RS2) LD-REV 0.2S LD-FWD FS1(FS2) PLAY PLAY PAUSE STILL PAUSE...
  • Page 54 www.freeservicemanuals.info It`s Free Chart 2 STOP(A) STOP LD-REV 0.2S LD-FWD 0.2S STOP /EJECT 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD 0.2S STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP...
  • Page 55: Ic Pin Function Descriptions

    www.freeservicemanuals.info It`s Free IC PIN FUNCTION DESCRIPTIONS IC201 (TV/VCR Micro Controller IC) Signal Function Name “H” ≥ 4.5 V, “L” ≤ 1.0 V 36 OUT XC-OUT Sub Clock 32 kHz Signal TIMER+5V Vcc Function Name IN X-IN Main Clock Input IN LD-SW Loading Switch Input 39 OUT X-OUT...
  • Page 56 www.freeservicemanuals.info It`s Free Signal Function Name Capstan Motor Control 76 OUT C-CONT Signal 77 OUT D-CONT Drum Motor Control Signal Not Used Not Used Take Up Reel Rotation IN T-REEL Signal Not Used 82 OUT LD-CONT Loading Motor Control Signal Not Used Power Voltage Down IN P-DOWN...
  • Page 57: Lead Identifications

    www.freeservicemanuals.info It`s Free LEAD IDENTIFICATIONS 2SC5884000RF MID-32A22F 2SK3563 TT2138LS-YB11 PT204-6B-12 B C E S D G LA78040A 2SC1815-GR(TPE2) 2SA1015-GR(TPE2) AN15524A 2SC2120-(O,Y)(TPE2) 2SA1175(F) 2SC3331(T,U) 2SA950(O,Y) KRA103M 2SC1627Y-TPE2 KTC3203(Y) 2SC2482 TPE6 2SC2785(F) 2SC3468(D,E)-AE BN1F4M-T KTA1267(GR) KTA1271(Y) E C B E C B KTC3199(GR) KTC3207 LTV-817B-F...
  • Page 58: Electrical Parts List

    www.freeservicemanuals.info It`s Free 1-15-1 ELECTRICAL PARTS LIST MISCELLANEOUS SW208 9965 000 14390 TACT SWITCH SKQNAED010 9965 000 29646 MMA CBA (MAIN CRT SENSOR CBA) SW208 * 9965 000 29665 TACTILE SWITCH KSHG612BT 9965 000 29649 SENSOR CBA SW209 9965 000 14390 TACT SWITCH SKQNAED010 SW209 * 9965 000 29665 TACTILE SWITCH KSHG612BT...
  • Page 59 www.freeservicemanuals.info It`s Free 1-15-2 ELECTRICAL PARTS LIST CAPACITORS C606 9965 000 28889 CERAMIC CAP. F Z 0.01UF/500V L402 * 4822 157 10331 22UH-K-26T C606 * 9965 000 29388 CERAMIC CAP. 0.01UF/AC250V L403 9965 000 05627 CHOKE COIL 47UH-K C606 * 9965 000 29389 CERAMIC CAP.
  • Page 60 www.freeservicemanuals.info It`s Free 1-15-3 ELECTRICAL PARTS LIST DIODES D312 * 4822 130 30621 1N4148 D615 9965 000 28923 DIODE 1ZC36 D313 4822 130 32778 1SS133 D615 * 9965 000 28918 ZENER DIODE RD39FB D313 * 4822 130 30621 1N4148 D616 9965 000 28924 SCHOTTKY DIODE 21DQ04 D314...
  • Page 61 www.freeservicemanuals.info It`s Free 1-15-4 ELECTRICAL PARTS LIST DIODES D801 * 4822 130 30621 1N4148 Q610 * 9965 000 21660 TOSHIBA 2SC2120-Y D802 4822 130 32778 1SS133 Q610 * 9965 000 21660 TOSHIBA 2SC2120-Y D802 * 4822 130 30621 1N4148 Q611 9965 000 05643 TRANSISTOR 2SC2785(F) D803...
  • Page 62 www.freeservicemanuals.info It`s Free 1-15-5 ELECTRICAL PARTS LIST CRT CBA MISCELLANEOUS JK501! 9965 000 29042 CRT SOCKET ISMS02S CAPACITORS C501 9965 000 13909 CERAMIC CAP. B K 1000PF/2KV OR C501 * 9965 000 29035 CERAMIC CAP. B K 1000PF/2KV C501 * 9965 000 29036 CERAMIC CAP.
  • Page 63: Exploded Views

    www.freeservicemanuals.info It`s Free EXPLODED VIEWS Cabinet SHINWHA TAPE SGT-730 (BLACK) V501-2 SHINWHA TAPE SGT-730 Details for L551 V501-1 (WHITE) and surrounding parts L551 V501-3 TB24 CLN551 CRT CBA L551 TB24 DG601 SP801 CL802 SCOTCH TAPE #880 W601 V501 TB26 SENSOR CBA TB10 A1-5 TB21...
  • Page 64 www.freeservicemanuals.info It`s Free Packing Packing Tape X11-1 X11-2 X2-1 X2-2 X24-1 X24-2 Packing Tape Packing Tape Tape Packing Tape 1-16-2 T5515PEX...
  • Page 65: Mechanical Parts List

    A1-2 9965 000 29640 CONTROL PLATE T5506UG DG601! * 9965 000 29134 DEGAUSSING COIL AVDG016 A1-3 9965 000 29127 BRAND BADGE T5310UL ~MAGNAVOX~ DG601! * 9965 000 29135 DEGAUSSING COIL AI-003-00 A1-4 9965 000 29641 CASSETTE DOOR T5310UL SP801 9965 000 13829...
  • Page 66 www.freeservicemanuals.info It`s Free DECK MECHANISM SECTION TV-VCR Combination Sec. 2: Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly / Assembly of Mechanism I Deck Exploded Views I Deck Parts List TABLE OF CONTENTS STANDARD MAINTENANCE............. . 2-1-1 SERVICE FIXTURE AND TOOLS .
  • Page 67: Standard Maintenance

    www.freeservicemanuals.info It`s Free STANDARD MAINTENANCE Service Schedule of Components This maintenance chart shows you the standard of replacement and cleaning time for each part. Because those may replace depending on environment and purpose for use, use the chart for reference. Deck Periodic Service Schedule Ref.No.
  • Page 68 www.freeservicemanuals.info It`s Free Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1. Remove the top cabinet. cloth. 2. Dip the cotton swab in 90% ethyl alcohol and clean Procedure the ACE Head.
  • Page 69: Service Fixture And Tools

    www.freeservicemanuals.info It`s Free SERVICE FIXTURE AND TOOLS Back Tension Meter Flat Screw Driver VFMS0001H6 (Made in USA) (Purchase Locally) Alignment Tape Post Adjustment Screwdriver Metric Thickness Gauges Lock Screw Driver (Purchase Locally) (Purchase Locally) Head Cleaning Stick 2-2-1 MK14FIX_PC...
  • Page 70: Mechanical Alignment Procedures

    www.freeservicemanuals.info It`s Free MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information loaded position without a cassette tape below on this page if a tape gets stuck, for example, in 1.
  • Page 71 www.freeservicemanuals.info It`s Free 1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (VFMS0001H6)
  • Page 72 www.freeservicemanuals.info It`s Free 1-A. Preliminary/Final Checking and 4. If creasing or snaking is apparent, adjust the Tilt Adj. Screw of the ACE Head. (Fig. M6) Alignment of Tape Path Purpose: To make sure that the tape path is well stabilized. Azimuth Adj.
  • Page 73 www.freeservicemanuals.info It`s Free 5. To shift the CTL waveform, press [CHANNEL K] either at the beginning or end of track as shown in or [CHANNEL L] buttons on the unit. Then make Fig. M9. sure that the maximum output position of PB FM ±...
  • Page 74 www.freeservicemanuals.info It`s Free 1-D. Azimuth Alignment of Audio/Control/ Erase Head Correct Incorrect Purpose: To correct the Azimuth alignment so that REV Post the Audio/Control/Erase Head meets tape tracks Tape properly. Symptom of Misalignment: If the position of the Audio/Control/Erase Head is not properly aligned, the Audio S/N Ratio or Frequency Response will be poor.
  • Page 75: Disassembly/Assembly Procedures Of Deck Mechanism

    www.freeservicemanuals.info It`s Free DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS of Main Section.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 76 www.freeservicemanuals.info It`s Free Removal Installation Step Starting Remove/*Unhook/ /Loc. Part Adjustment Fig. No. Unlock/Release/ Condition Unplug/Desolder (+)Refer to Alignment [32] [25] Loading Arm (SP) Assembly B DM2, DM14 Sec.Page 2-5-1 (+)Refer to Alignment [33] [32] Loading Arm (TU) Assembly B DM2, DM14 Sec.Page 2-5-1 [34]...
  • Page 77 www.freeservicemanuals.info It`s Free Top View [41] [42] [46] [43] [14] [13] [11] [15] [36] [10] [12] [35] [34] [40] [29] [30] [16] [39] [38] Fig. DM1 Bottom View [20] [33] [32] [24] [26] [27] [25] [23] [28] [22] [21] [31] Fig.
  • Page 78 www.freeservicemanuals.info It`s Free (S-1) (S-1) (L-1) (L-3) (L-2) (S-1A) (P-1) Installation of [3] and [6] 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], confirm that pin A of [3] enters hole A of [6] properly.
  • Page 79 www.freeservicemanuals.info It`s Free [11] (S-4A) (L-4) [46] (P-3) [13] [47] Removal of [11] [12] (L-14) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Release (L-4) while (P-2) holding [12] with a finger. Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10]...
  • Page 80 www.freeservicemanuals.info It`s Free Installation of [13] and [12] (S-5) [14] (S-6) [16] [13] [15] Hook spring (P-3) up to [12] and [13], then install then to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig.
  • Page 81 www.freeservicemanuals.info It`s Free [22] (S-8) (C-2) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Installation position of Cap Belt [21] Cap Belt When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to...
  • Page 82 www.freeservicemanuals.info It`s Free (P-6) [25] (C-4) [31] Refer to the Alignment Section, Page 2-5-1. (S-9) [29] [33] [30] (L-11) (L-10) [32] (L-8) (C-3) [27] [28] [24] [26] (L-9) Fig. DM14 Fig. DM13-1 [36] Break belt Installation of [25] (P-7) [34] Position of Mode Lever when installed [40] Pin of [35]...
  • Page 83 www.freeservicemanuals.info It`s Free [42] [41] [43] (L-13) Fig. DM16 (P-9) [44] [45] Slide Fig. DM17 2-4-9 N2426FTDA...
  • Page 84: Alignment Procedures Of Mechanism

    www.freeservicemanuals.info It`s Free ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm (SP) and (TU) Assembly so System Control Circuit only through the Mode Switch, that their triangle marks point to each other as...
  • Page 85: Deck Exploded Views

    www.freeservicemanuals.info It`s Free DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) B501 B560 L1450 L1450 B426 L1466...
  • Page 86 www.freeservicemanuals.info It`s Free Deck Mechanism View 2 Mark Description Floil G-684G or Multemp MH-D (Blue grease) B587 B521 B487 SLIDUS OIL #150 B416 B591 SANKOUL FG84M (Yellow grease) B520 B590 B522 L1406 B148 B499 B508 B573 B592 B574 B558 B564 B557 B414 B565...
  • Page 87 www.freeservicemanuals.info It`s Free Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) L1321 SLIDUS OIL #150 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 L1474 B529 B360 B359 B361 B555 B561 B303 Some Ref.
  • Page 88 www.freeservicemanuals.info It`s Free 2-7-1 MECHANICAL PARTS LIST - VCR MECHANISM 9965 000 29677 CYL ASSEMBLY MK12.5 NTSC 2HD B520 9965 000 17202 TU BRAKE SPRING MK12 9965 000 23363 LOADING MOTOR ASSEMBLY MK12.5 B521 9965 000 16662 REV BRAKE SPRING MK12 9965 000 17191 PULLEY ASSEMBLY MK12 B522...

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