Sharp 37VT-26H Service Manual
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Brand: Sharp
Category: TV VCR Combo
Type: Service manual
Model: Sharp 37VT-26H , Sharp 37VT-26HGY
Pages: 86
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1
37VT-26H(GY)
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable
parts inside. Refer servicing to qualified service personnel.
SERVICE MANUAL
S99P337VT26H/
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
MODEL
SERVICE MANUAL
TV/VCR COMBINATION TELEVIDEO
MODEL 37VT-26H(GY)
SHARP CORPORATION
37VT-26H(GY)
TV/VCR COMBINATION
TELEVIDEO
Chassis No. VP-8
37VT-26H(GY)
FEATURE
Ë AIS (Automatic Instruction System)
Ë ASS (Automatic Sorting System)
Ë VPS/PDC (Video Program System / Program Delivery
Control)
Ë FASTEXT
Ë VIDEO Plus+
Ë Post Cord Security
Ë On Screen Digital Channel/Sound Level/Tuning Display,
Control (Contrast, Colour, Brightness, Tint, Sharpness,
White temp) Symbol and Level
Ë Blue Back Off Timer
Ë 52 Key, Wireless Remote Control Unit
Ë Channel Skip
Ë High Speed and Double Speed Video Search System
» PAL : 3 times/7 times (SP/LP)
» NTSC : 3 times/5 times (SP/LP)
5 times/15 times (EP)
Ë DPSS (Digital Program Search System)
Ë Quick Start Playback with Full Loading System
Ë Digital Automatic Tracking Control
Ë Automatic Playback Function
Ë AHC (Automatic Head Cleaning System)
Ë Sharp Super Picture
Ë 345 Times Hi-Speed FF/REW
CONTENTS
Page
» SPECIFICATIONS ................................................................................................................................................................................. 2
» IMPORTANT SERVICE NOTES ............................................................................................................................................................ 3
» LOCATION OF USER'S CONTROL ...................................................................................................................................................... 4
» DISASSEMBLY AND REASSEMBLY .................................................................................................................................................... 6
» ADJUSTMENT OF THE TV ELECTRICAL CIRCUITRY ........................................................................................................................9
» PRECAUTIONS IN REASSEMBLING ................................................................................................................................................ 19
» FUNCTION OF MAJOR MECHANICAL PARTS ................................................................................................................................. 20
» ADJUSTMENT, REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS ................................................................................. 22
» ADJUSTMENT OF THE VCR ELECTRICAL CIRCUITRY ...................................................................................................................41
» MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE ............................................................................... 44
» CHASSIS LAYOUT .............................................................................................................................................................................. 63
» BLOCK DIAGRAM OF TV SECTION .................................................................................................................................................. 64
» BLOCK DIAGRAM OF VCR SECTION ............................................................................................................................................... 66
» DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................................................................... 75
» SOLID STATE DEVICE BASE DIAGRAM ........................................................................................................................................... 76
» WAVEFORMS ..................................................................................................................................................................................... 77
» SCHEMATIC DIAGRAM ...................................................................................................................................................................... 78
» PRINTED WIRING BOARD ASSEMBLIES ......................................................................................................................................... 92
» REPLACEMENT PARTS LIST ............................................................................................................................................................ 99
» PACKING OF THE SET ..................................................................................................................................................................... 115