Sharp 13VT-K100 Service Manual

13VT-K100/15013VT-CK101SERVICE MANUALCONTENTSPage» IMPORTANT SERVICE SAFETY PRECAUTION ...

13VT-K100/15013VT-CK10105. Remove the 4 cassette housing control fixing screws, and detach the cassette housing control.6. Remove the 2 mechanism chas

13VT-K100/15013VT-CK1011 DISASSEMBLY AND REASSEMBLY (Continued)For servicing any of the components inside, disconnect the lead dressing holde

13VT-K100/15013VT-CK1012INSTALLATION AND SERVICE INSTRUCTIONSNote: (1) When performing any adjustments to resistor controls and transformers use non-m

13VT-K100/15013VT-CK10131. Service modeBerfore putting unit into the service mode, check,that customer adjustments are in the normal mode,use the rese

13VT-K100/15013VT-CK1014Table - BPARTREPLACEDADJUSTMENTNECESSARY UNNECESSARYNOTEIC2001 XIC401 XIC2101 XCRT XADJUSTMENTITEMDATAINTIAL VALUE RANGEADJUST

13VT-K100/15013VT-CK1015SERVICE ADJUSTMENTVCO Adjustment1. Connect a digital voltmeter between pin (44) of IC401and ground.2. Select a good local chan

13VT-K100/15013VT-CK1016Figure B.Vertical-Size adjustment1. Have unit receive a good local channel.2. Enter the service mode and select service adjust

1713VT-K100/15013VT-CK10PRECAUTIONS IN REASSEMBLINGMOUTING THE CASSETTE CONTROLLERInitial setting is indispensable before placing the cassette contro

13VT-K100/15013VT-CK1018FUNCTION OF MAJOR MECHANICAL PARTS (TOP VIEW)No. FunctionNo. Function1. Full erase head ass’yErase the old recording on the ta

1913VT-K100/15013VT-CK10FUNCTION OF MAJOR MECHANICAL PARTS (BOTTOM VIEW)No. FunctionNo. Function6. Limiter pulley ass’yTransmits the power of the caps

13VT-K100/15013VT-CK102IMPORTANT SERVICE SAFETY PRECAUTIONService work should be performed only by qualified service technicians who arethoroughly fam

13VT-K100/15013VT-CK10201. Torque Cassette Meter JiGVHT-063 CZJiGTG1200 CNJiGMP0001 BYNo. Jig ltem Part No. Code Configuration RemarksJiGTG0090 CM3.

2113VT-K100/15013VT-CK1012. JiGDRiVER-6 BM11. JiGDRiVERH-4 APNo. Jig ltem Part No. Code Configuration RemarksThis screwdriver is used for adjust-ing

13VT-K100/15013VT-CK1022MAINTENANCE CHECK ITEMS AND EXECUTION TIMEPerform the maintenance with the regular intervals as follows so as to maintain the

2313VT-K100/15013VT-CK10Figure 1-1.• Reassembly1. Before installing the cassette housing control, short-circuit TP7701 and TP7702 provided at the left

13VT-K100/15013VT-CK1024REEL DISK REPLACEMENT AND HEIGHTCHECK• Removal1. Remove the cassette housing control assembly.2. Pull the tension band out of

2513VT-K100/15013VT-CK10Note:Whenever replacing the reel disk, perform the heightchecking and adjustment.ABFigure 1-7.Master planeReel disk heightadju

13VT-K100/15013VT-CK1026Notes:1. Hold the torque gauge by hand so that it is not moved.2. Do not keep the reel disk in lock state. Do not allowlong-ti

2713VT-K100/15013VT-CK10CHECKING THE VIDEO SEARCH REWINDBACK TENSION• Remove the cassette housing control assembly.• After short-circuiting TP7701 and

13VT-K100/15013VT-CK10282. Visually check to see if the right edge of the tensionpole is within the 1.5 ± 0.25mm from the right edge ofthe Sup guide s

2913VT-K100/15013VT-CK10• Adjustment1. If the indication of torque cassette meter is lower thanthe setting, shift the tension spring engagement to the

13VT-K100/15013VT-CK103BEFORE RETURNING THE RECEIVER(Fire & Shock Hazard)Before returning the receiver to the user, performthe following safety ch

13VT-K100/15013VT-CK1030REPLACEMENT OF A/C (Audio/Control) HEAD1. Remove the cassette housing control assembly.2. In unloading state, unplug the power

3113VT-K100/15013VT-CK10500gFigure 1-27.Height screwAzimuth screwTilt screwCassette tapeWeight to preventfloat (500g)Mechanism chassisTape0.3mmA/C he

13VT-K100/15013VT-CK1032ADJUSTMENT OF TAPE DRIVE TRAIN1. Tape run rough adjustment1 Remove the cassette housing control assembly.2 After shortcircuiti

3313VT-K100/15013VT-CK103. Tape run adjustment1 Connect the oscilloscope to PB CHROMA envelopeoutput test point, set oscilloscope sync to EXT,trigger-

13VT-K100/15013VT-CK1034REPLACEMENT OF THE CAPSTAN D.D.(DIRECT DRIVE) MOTOR• Remove the mechanism from the main PWB (refer toPage10 "DISASSEMBLY

3513VT-K100/15013VT-CK10REPLACING THE UPPER AND LOWER DRUMASSEMBLY• Replacement (Perform in the numerical order)1Remove the motor as stated in Page 34

13VT-K100/15013VT-CK10361Insert Reverse Guide Lever Ass’yFigure 1-41-1.Phase Matching Point 2Pinch Roller DoubleAction Lever Ass'yOpen leverInser

3713VT-K100/15013VT-CK10INSTALLING THE SHIFTERFigure 1-42.CapstanD.D. motorDrumReel pulley(Bottom side of mechanism chassis)SifterPhase-Matchingpoint

13VT-K100/15013VT-CK1038INSTALLING THE MASTER CAM (AT REARSIDE OF MECHANISM CHASSIS)1. Make sure beforehand that the shifter is at the point asshown b

3913VT-K100/15013VT-CK102. Synchro Gear, Drive Gear L and Drive Gear RASSEMBLY OF CASSETTE HOUSING1. Drive Gear and R Drive angle ass’yFigure 1-47.MSP

13VT-K100/15013VT-CK104PRECAUTIONS A PRENDRE LORS DE LA REPARATIONNe peut effectuer la réparation qu' un technicien spécialisé qui s'est par

13VT-K100/15013VT-CK1040ADJUSTMENT OF THE VCR ELECTRICAL CIRCUITRYNotes:» Before the adjustment:Electrical adjustments described here are often requir

4113VT-K100/15013VT-CK10 Test points layout of Main Unit.ADJUSTMENT OF EP STILL PIC-TURE VERTICAL SYNCMeasuring Monitor TVinstrumentMode EP still pict

13VT-K100/15013VT-CK1042TROUBLESHOOTING OF VCR SECTIONCheck/replace X7701 and/or IC7701.ELECTRICAL TROUBLESHOOTINGVCR POWER TROUBLESHOOTINGFLOW CHART

13VT-K100/15013VT-CK1043NONONONOCheck pin (12) of IC7701 and all the way up to pin (5) of IC7702.NONOCASSETTE CONTROL TROUBLESHOOTING FLOW CHART NO.1-

13VT-K100/15013VT-CK1044NONONONONOSYSTEM CONTROL TROUBLESHOOTING FLOW CHART NO.1-5 FLOW CHART NO.1-6No power.YESYESYESYESYESNONONONOYESYESYESYESCheck

13VT-K100/15013VT-CK1045TAKE-UP REEL PULSE GENERATOR TROUBLESHOOTINGFLOW CHART NO.1-7HEAD SWITCHING PULSE TROUBLESHOOTING FLOW CHART NO.1-8FLOW CHART

13VT-K100/15013VT-CK1046NONONONONONONONODRUM SERVO TROUBLESHOOTING FLOW CHART NO.1-10Drum servo does not function.YESYESYESYESYESYESYESYESSee FLOW CHA

13VT-K100/15013VT-CK1047NONONONONONONONOCAPSTAN SERVO TROUBLESHOOTING FLOW CHART NO.1-11YESYESYESYESNONOYESYESYESYESYESYESYESYESNOIs pin (75) of IC770

13VT-K100/15013VT-CK1048NONOE-E MODE TROUBLESHOOTINGFLOW CHART NO.1-12No E-E signal.YESYESYESYESYESCheck between pins (8) and (7) of IC2201 and all th

13VT-K100/15013VT-CK1049NO NONONO NONONOPLAYBACK MODE TROUBLESHOOTING FLOW CHART NO.1-14Playback is not possible.YES YESYESYESYESYESYESIs the supply v

13VT-K100/15013VT-CK105VERIFICATIONS CONTRE L'INCEN-DIE ETLE CHOC ELECTRIQUEAvant de rendre le récepteur à l'utilisateur, effectuerles vérif

13VT-K100/15013VT-CK1050SOUND E-E MODE TROUBLESHOOTINGFLOW CHART NO.1-15FLOW CHART NO.1-16No E-E signalYESYESYESYESNOYESNONONONONOYESYESYESYESYESYESAr

13VT-K100/15013VT-CK1051SOUND PLAYBACK MODE TROUBLESHOOTING FLOW CHART NO.1-17No playback.YESYESYESYESYESYESNONONONONONONOIs there a signal at pin (74

13VT-K100/15013VT-CK1052NONONONOFLOW CHART NO.2-1FLOW CHART NO.2-2Set not operatingYESYESYESYESYESIs 120V AC applied to line between K701 and IC702?Pi

13VT-K100/15013VT-CK1053NOFLOW CHART NO.2-3FLOW CHART NO.2-4NO PICTURE, NO SOUNDYES YESYESYESYES YESYESCheck the IC401 and adjacent parts.Check the IC

13VT-K100/15013VT-CK1054FLOW CHART NO.2-5FLOW CHART NO.2-7NO SOUNDFLOW CHART NO.2-6NO PLAYBACK PICTUREYESYESYESYESYESYESYESYESYESYESYESIs there a sign

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111255 56CHASSIS LAYOUTPWB-APWB-CPWB-BPWB-D

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111257 58BLOCK DIAGRAM OF TV SECTION

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111259 60BLOCK DIAGRAM OF VCR SECTIONOVERALL BLOCK DIAGRAM

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111261 62BLOCK DIAGRAM OF VCR SECTIONSERVO PROCESS BLOCK DIAGRAM

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111263 64BLOCK DIAGRAM OF VCR SECTIONSYSTEM CONTROL BLOCK DIAGRAM SAFETY DEVICE BLOCK D

13VT-K100/15013VT-CK106ELECTRICAL SPECIFICATIONSTV SECTIONPOWER INPUT: 120 V AC 60 HzPOWER RATING: 65 WPICTURE SIZEWidth: 37.8 cmHeight: 38.7 cmDepth

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111265 66BLOCK DIAGRAM OF VCR SECTIONVIDEO SIGNAL FLOW BLOCK DIAGRAM

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111267 68BLOCK DIAGRAM OF VCR SECTIONAUDIO BLOCK DIAGRAM

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111269 70OVERALL SCHEMATIC DIAGRAM

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111271 72DESCRIPTION OF SECTION SCHEMATIC DIAGRAMNOTE:1. The unit of resistance "o

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111273 74SCHEMATIC DIAGRAM : MAIN-1 Unit (TV Section)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111275 76SCHEMATIC DIAGRAM : MAIN-2 Unit (TV Section)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111277 78SCHEMATIC DIAGRAM : POWER Unit (TV Section)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111279 80SCHEMATIC DIAGRAM : MAIN Unit (VCR-1 Section)DTC124ES

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111281 82SCHEMATIC DIAGRAM : MAIN Unit (VCR-2 Section)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111283 84PRINTED WIRING BOARD ASSEMBLIESPWB-B: CRT Unit (Wiring Side) PWB-D: FRONT AV U

13VT-K100/15013VT-CK107Description Of ControlsFRONTLOCATION OF USER'S CONTROLREAR

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111285 86PWB-A: MAIN Unit (Wiring Side)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111287 88PWB-A: MAIN Unit (Chip Parts Side)

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA12345678910111289 90Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description CodeRef.

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9113VT-K100/15013VT-CK10L3102 VP-XF100K0000 J Peaking 10µH ABL3301 VP-MK101K0

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9213VT-K100/15013VT-CK10C804 VCKYCY1EB103K J 0.01 25V Ceramic AAC805 VCKYCY1E

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9313VT-K100/15013VT-CK10C6632 VCKYCY1HF103Z J 0.01 50V Ceramic AAC6633 VCKYCY

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9413VT-K100/15013VT-CK10R207 VRN-MD2AL391J J 390 0.1W Metal Film AAR208 VRN-M

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9513VT-K100/15013VT-CK10R2055 VRN-MD2AL472J J 4.7k 0.1W Metal Film AAR2060 VR

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9613VT-K100/15013VT-CK10R5501 VRN-MD2AL122J J 1.2k 0.1W Metal Film AAR5502 VR

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9713VT-K100/15013VT-CK10R7807 VRG-SC2EB1R8J J 1.8 1/4W Fuse Resistor AER7808

13VT-K100/15013VT-CK108Location Of Control’s Buttons (Remote Control) LOCATION OF USER'S CONTROL (Continued)Remote Control Battery Installation

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9813VT-K100/15013VT-CK10PWB-C: DUNTK9490WEV2POWER UnitINTEGRATED CIRCUITSå IC

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9913VT-K100/15013VT-CK10R743 VRD-RM2HD823J J 82k 1/2W Carbon AAR744 VRD-RA2BE

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10013VT-K100/15013VT-CK101 LBNDK1011AJZZ V Tension Band Ass’y AH2 LBOSZ1007AJ

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10113VT-K100/15013VT-CK10HGFEDCBA1 23456MECHANISM CHASSIS PARTS22311220182141

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10213VT-K100/15013VT-CK10CASSETTE HOUSING CONTROL300 CHLDX3081TEV1 V Cassette

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10313VT-K100/15013VT-CK10HGFEDCBA1 23456CHASSETTE HOUSING CONTROL PARTS301300

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10413VT-K100/15013VT-CK10CABINET AND MECHANICAL PARTS1 CCABA2444WEV0 J Cabine

13VT-K100/15013VT-CK1013VT-K100/15013VT-CK10HGFEDCBA123456789101112105 106CABINET AND MECHANICAL PARTS1-101-12@@@@@1-61-31-1514301-91-2424281511132432

13VT-K100/15013VT/CK1013VT-K100/15013VT/CK10107 108PACKING OF THE SETRef. No. Part No. ★ Description Code Ref. No. Part No. ★ Description CodeTGAN-001

13VT-K100/15013VT-CK10109Memo

13VT-K100/15013VT-CK1091. Remove the 7 rear cover fixing screws and detach the rear cover.2. Take out the anode cap, CRT PWB, connectors K and M, coat

13VT-K100/15013VT-CK10110COPYRIGHT © 1998 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval