Sharp 13VT-CN10 Service Manual

113VT-N10013VT-N15013VT-CN10CONTENTSPage» IMPORTANT SERVICE SAFETY PRECAUTION...

1013VT-N10013VT-N15013VT-CN105. Remove the 4 cassette housing control fixing screws, and detach the cassette housing control.6. Remove the 2 mechanism

1113VT-N10013VT-N15013VT-CN10 DISASSEMBLY AND REASSEMBLY (Continued)For servicing any of the components inside, disconnect the lead dressing

1213VT-N10013VT-N15013VT-CN10CIRCUIT PROTECTIONThe receiver is protected by a 4.0A fuse (F701), mountedon PWB-A, wired into one side of the AC line in

1313VT-N10013VT-N15013VT-CN10PICTURE: 16 2Figure A.The N-series SHARP TV/VCR COMBINATION have most of the analog setup adjustments eliminated. Coil an

1413VT-N10013VT-N15013VT-CN10Table - BPARTREPLACEDADJUSTMENTNECESSARY UNNECESSARYNOTEIC2001 XIC401 XIC2101 XCRT XADJUSTMENTITEMDATAINTIAL VALUE RANGEA

1513VT-N10013VT-N15013VT-CN10ËSERVICE ADJUSTMENTVCO Adjustment1. Connect a digital voltmeter between pin (44) of IC401and ground.2. Select a good loca

1613VT-N10013VT-N15013VT-CN10Vertical-Size Adjustment1. Select a good local channel.2. Enter the service mode and select the serviceadjustment item &q

1713VT-N10013VT-N15013VT-CN10PRECAUTIONS IN REASSEMBLINGMOUTING THE CASSETTE CONTROLLERInitial setting is indispensable before placing the cassette c

1813VT-N10013VT-N15013VT-CN10FUNCTION OF MAJOR MECHANICAL PARTS (TOP VIEW)No. FunctionNo. Function1. Full erase head ass’yErase the old recording on t

1913VT-N10013VT-N15013VT-CN10FUNCTION OF MAJOR MECHANICAL PARTS (BOTTOM VIEW)No. FunctionNo. Function6. Limiter pulley ass’yTransmits the power of the

213VT-N10013VT-N15013VT-CN10IMPORTANT SERVICE SAFETY PRECAUTIONËService work should be performed only by qualified service technicians who arethorough

2013VT-N10013VT-N15013VT-CN101. Torque Cassette Meter JiGVHT-063 CZJiGTG1200 CNJiGMP0001 BYNo. Jig ltem Part No. Code Configuration RemarksJiGTG0090

2113VT-N10013VT-N15013VT-CN10No. Jig ltem Part No. Code Configuration RemarksThis screwdriver is used for adjust-ing the guide roller height.VROATSV

2213VT-N10013VT-N15013VT-CN10MAINTENANCE CHECK ITEMS AND EXECUTION TIMEPerform the maintenance with the regular intervals as follows so as to maintain

2313VT-N10013VT-N15013VT-CN10Figure 1-1.• Reassembly1. Before installing the cassette housing control, short-circuit TP7701 and TP7702 provided at the

2413VT-N10013VT-N15013VT-CN10REEL DISK REPLACEMENT AND HEIGHTCHECK• Removal1. Remove the cassette housing control assembly.2. Pull the tension band ou

2513VT-N10013VT-N15013VT-CN10Note:Whenever replacing the reel disk, perform the heightchecking and adjustment.ABFigure 1-7.Master planeReel disk heigh

2613VT-N10013VT-N15013VT-CN10Notes: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 allowlo

2713VT-N10013VT-N15013VT-CN10CHECKING THE VIDEO SEARCH REWINDBACK TENSION• Remove the cassette housing control assembly.• After short-circuiting TP770

2813VT-N10013VT-N15013VT-CN102. Visually check to see if the right edge of the tensionpole is within the 1.5 ± 0.25mm from the right edge ofthe Sup gu

2913VT-N10013VT-N15013VT-CN10• Adjustment1. If the indication of torque cassette meter is lower thanthe setting, shift the tension spring engagement t

313VT-N10013VT-N15013VT-CN10BEFORE RETURNING THE RECEIVER(Fire & Shock Hazard)Before returning the receiver to the user, performthe following safe

3013VT-N10013VT-N15013VT-CN10REPLACEMENT OF A/C (Audio/Control) HEAD1. Remove the cassette housing control assembly.2. In unloading state, unplug the

3113VT-N10013VT-N15013VT-CN10500gFigure 1-27.Height screwAzimuth screwTilt screwCassette tapeWeight to preventfloat (500g)Mechanism chassisTape0.3mmA

3213VT-N10013VT-N15013VT-CN10ADJUSTMENT OF TAPE DRIVE TRAIN1. Tape run rough adjustment1 Remove the cassette housing control assembly.2 After shortcir

3313VT-N10013VT-N15013VT-CN103. Tape run adjustment1 Connect the oscilloscope to PB CHROMA envelopeoutput test point, set oscilloscope sync to EXT,tri

3413VT-N10013VT-N15013VT-CN10REPLACEMENT OF THE CAPSTAN D.D.(DIRECT DRIVE) MOTOR• Remove the mechanism from the main PWB (refer toPage10 "DISASSE

3513VT-N10013VT-N15013VT-CN10REPLACING THE UPPER AND LOWER DRUMASSEMBLY• Replacement (Perform in the numerical order)1 Remove the motor as stated in P

3613VT-N10013VT-N15013VT-CN101Insert Reverse Guide Lever Ass’yFigure 1-41-1.Phase Matching Point 2Pinch Roller DoubleAction Lever Ass'yOpen lever

3713VT-N10013VT-N15013VT-CN10INSTALLING THE SHIFTERFigure 1-42.CapstanD.D. motorDrumReel pulley(Bottom side of mechanism chassis)SifterPhase-Matchingp

3813VT-N10013VT-N15013VT-CN10INSTALLING THE MASTER CAM (AT REARSIDE OF MECHANISM CHASSIS)1. Make sure beforehand that the shifter is at the point assh

3913VT-N10013VT-N15013VT-CN102. Synchro Gear, Drive Gear L and Drive Gear RASSEMBLY OF CASSETTE HOUSING1. Drive Gear and R Drive angle ass’yFigure 1-4

413VT-N10013VT-N15013VT-CN10PRECAUTIONS A PRENDRE LORS DE LA REPARATIONËNe peut effectuer la réparation qu' un technicien spécialisé qui s'e

4013VT-N10013VT-N15013VT-CN10ADJUSTMENT OF THE VCR ELECTRICAL CIRCUITRYNotes:» Before the adjustment:Electrical adjustments described here are often r

4113VT-N10013VT-N15013VT-CN10Ë Test points layout of Main Unit.Measuring Monitor screeninstrumentMode EP still picture playbackInput signal Self-recor

4213VT-N10013VT-N15013VT-CN10TROUBLESHOOTING OF VCR SECTIONCheck/replace X7701 and/or IC2001.ELECTRICAL TROUBLESHOOTINGVCR POWER TROUBLESHOOTINGFLOW C

4313VT-N10013VT-N15013VT-CN10FLOW CHART NO.1-4NONONONONONONOYESYESYESYESYESYESYESSee FLOW CHART NO.1-6.Replace the loading motor.Check the reel disk a

4413VT-N10013VT-N15013VT-CN10TAKE-UP REEL PULSE GENERATOR TROUBLESHOOTINGFLOW CHART NO.1-7HEAD SWITCHING PULSE TROUBLESHOOTING FLOW CHART NO.1-8FLOW C

4513VT-N10013VT-N15013VT-CN10NONONONONONONONODRUM SERVO TROUBLESHOOTING FLOW CHART NO.1-10Drum servo does not function.YESYESYESYESYESYESYESYESSee FLO

4613VT-N10013VT-N15013VT-CN10NONONONONONONONOCAPSTAN SERVO TROUBLESHOOTING FLOW CHART NO.1-11YESYESYESYESNONOYESYESYESYESYESYESYESYESNOIs pin (78) of

4713VT-N10013VT-N15013VT-CN10NONOE-E MODE TROUBLESHOOTINGFLOW CHART NO.1-12No E-E signal.YESYESYESYESYESCheck between pins (8) and (7) of IC2201 and a

4813VT-N10013VT-N15013VT-CN10NO NONONO NONONOPLAYBACK MODE TROUBLESHOOTING FLOW CHART NO.1-14Playback is not possible.YES YESYESYESYESYESYESIs the sup

4913VT-N10013VT-N15013VT-CN10SOUND E-E MODE TROUBLESHOOTINGFLOW CHART NO.1-15FLOW CHART NO.1-16No E-E signalYESYESYESYESNOYESNONONONONOYESYESYESYESYES

513VT-N10013VT-N15013VT-CN10VERIFICATIONS CONTRE L'INCEN-DIE ETLE CHOC ELECTRIQUEAvant de rendre le récepteur à l'utilisateur, effectuerles

5013VT-N10013VT-N15013VT-CN10SOUND PLAYBACK MODE TROUBLESHOOTING FLOW CHART NO.1-17No playback.YESYESYESYESYESYESNONONONONONONOIs there a signal at pi

5113VT-N10013VT-N15013VT-CN10NONONONOFLOW CHART NO.2-1FLOW CHART NO.2-2Set not operatingYESYESYESYESYESIs 120V AC applied to line between K701 and K70

5213VT-N10013VT-N15013VT-CN10NOFLOW CHART NO.2-3FLOW CHART NO.2-4NO PICTURE, NO SOUNDYES YESYESYESYES YESYESCheck the IC401 and adjacent parts.Check t

5313VT-N10013VT-N15013VT-CN10FLOW CHART NO.2-5FLOW CHART NO.2-7NO SOUNDFLOW CHART NO.2-6NO PLAYBACK PICTUREYESYESYESYESYESYESYESYESYESYESYESIs there a

5513VT-N10013VT-N15013VT-CN1054121110987654321ABCDEFGHPWB-ACHASSIS LAYOUTPWB-CPWB-DPWB-B

5713VT-N10013VT-N15013VT-CN1056121110987654321ABCDEFGHBLOCK DIAGRAM OF TV SECTION

5913VT-N10013VT-N15013VT-CN1058121110987654321ABCDEFGHBLOCK DIAGRAM OF VCR SECTIONË OVERALL BLOCK DIAGRAM

6113VT-N10013VT-N15013VT-CN1060121110987654321ABCDEFGHBLOCK DIAGRAM OF VCR SECTIONË SERVO PROCESS BLOCK DIAGRAM

6313VT-N10013VT-N15013VT-CN1062121110987654321ABCDEFGHË SAFETY DEVICE BLOCK DIAGRAMBLOCK DIAGRAM OF VCR SECTIONË SYSTEM CONTROL BLOCK DIAGRAM

6513VT-N10013VT-N15013VT-CN1064121110987654321ABCDEFGHBLOCK DIAGRAM OF VCR SECTIONË VIDEO SIGNAL FLOW BLOCK DIAGRAM

613VT-N10013VT-N15013VT-CN10ELECTRICAL SPECIFICATIONSTV SECTIONPOWER INPUT: 120 V AC 60 HzPOWER RATING: 65 WPICTURE SIZEWidth: 37.8 cmHeight: 38.7 cm

6713VT-N10013VT-N15013VT-CN1066121110987654321ABCDEFGHBLOCK DIAGRAM OF VCR SECTIONË AUDIO BLOCK DIAGRAM

6913VT-N10013VT-N15013VT-CN1068121110987654321ABCDEFGHOVERALL SCHEMATIC DIAGRAM

7113VT-N10013VT-N15013VT-CN1070121110987654321ABCDEFGH654321AB CDEFGHSCHEMATIC DIAGRAM : CRT UnitDESCRIPTION OF SECTION SCHEMATIC DIAGRAMåAND SHADED (

7313VT-N10013VT-N15013VT-CN1072121110987654321ABCDEFGHSCHEMATIC DIAGRAM : MAIN-1 Unit (TV Section)

7513VT-N10013VT-N15013VT-CN1074121110987654321ABCDEFGHSCHEMATIC DIAGRAM : MAIN-2 Unit (TV Section)

7713VT-N10013VT-N15013VT-CN1076121110987654321ABCDEFGHSCHEMATIC DIAGRAM : FRONT AV and POWER Unit (TV Section)

7913VT-N10013VT-N15013VT-CN1078121110987654321ABCDEFGHSCHEMATIC DIAGRAM : MAIN-3 Unit (VCR Section)

8113VT-N10013VT-N15013VT-CN1080121110987654321ABCDEFGHSCHEMATIC DIAGRAM : MAIN-4 Unit (VCR Section)

82654321AB CDEFGH13VT-N10013VT-N15013VT-CN10PWB-D: FRONT AV Unit (Wiring Side)PRINTED WIRING BOARD ASSEMBLIESPWB-B: CRT Unit (Wiring Side)

83654321AB CDEFGH13VT-N10013VT-N15013VT-CN10PWB-C: POWER Unit (Wiring Side)

713VT-N10013VT-N15013VT-CN10Description Of ControlsLOCATION OF USER'S CONTROLTV • VCR COMBINATIONPOWERPOWER/WAKE-UPTIMERRECPROGRAMTIMERTAMPERPROO

84654321AB CDEFGH13VT-N10013VT-N15013VT-CN10PWB-A: MAIN Unit (Wiring Side)

85654321AB CDEFGH13VT-N10013VT-N15013VT-CN10PWB-A: MAIN Unit (Chip Parts Side)

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code8613VT-N10013VT-N15013VT-CN10★ MARK: SPARE PARTS-DELIVERY SECTION' MAR

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code8713VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN UnitD402 RH-EX0603GEZZ

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code8813VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN Unit (Continued)L2210 V

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code8913VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN Unit (Continued)C6613 V

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9013VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN Unit (Continued)RJ19 VR

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9113VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN Unit (Continued)R2294 V

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9213VT-N10013VT-N15013VT-CN10PWB-A: DUNTKA037FMV0MAIN Unit (Continued)S2510 Q

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9313VT-N10013VT-N15013VT-CN10PWB-B: DUNTKA039WEV0CRT UnitTRANSISTORSQ853 VS2S

813VT-N10013VT-N15013VT-CN10Location Of Control’s Buttons (Remote Control) LOCATION OF USER'S CONTROL (Continued)INPUTTV/VIDEO SelectPOWER ON/O

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9413VT-N10013VT-N15013VT-CN10COILSL725 RCiLP0195CEZZ J Coil 68µH AD

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9513VT-N10013VT-N15013VT-CN10PWB-C: DUNTKA038WEV0POWER Unit (Continued)PWB-D:

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9613VT-N10013VT-N15013VT-CN1070 MSPRC0223AJFJ V Azimuth Spring AC71 MSPRC0224

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9713VT-N10013VT-N15013VT-CN10654321AB CDEFGHMECHANISM CHASSIS PARTS2231122018

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9813VT-N10013VT-N15013VT-CN10CASSETTE HOUSING CONTROL300 CHLDX3081TEV2 V Cass

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code9913VT-N10013VT-N15013VT-CN10654321AB CDEFGHCASSETTE HOUSING CONTROL PARTS301

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10013VT-N10013VT-N15013VT-CN10CABINET AND MECHANICAL PARTS1 CCABA2514WEV0 R F

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10113VT-N10013VT-N15013VT-CN10654321AB CDEFGHCABINET AND MECHANICAL PARTS1-10

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10213VT-N10013VT-N15013VT-CN10SUPPLIED ACCESORIESPACKING PARTS(NOT REPLACEMEN

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10313VT-N10013VT-N15013VT-CN10PACKING OF THE SET • SETTING POSITIONS OF THE

913VT-N10013VT-N15013VT-CN101. Remove the 7 rear cover fixing screws and detach the rear cover.2. Take out the anode cap, CRT PWB, connectors K and M,

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code10413VT-N10013VT-N15013VT-CN10COPYRIGHT © 2000 BY SHARP CORPORATIONALL RIGHTS