DOWNLOAD Sharp VT-3700H (serv.man47) Service Manual ↓ Size: 7.23 KB | Pages: 1 in PDF or view online for FREE

Model
VT-3700H (serv.man47)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
7.23 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Counter measure for no tuning
File
vt-3700h-sm47.pdf
Date
PREV: Sharp VT-3700H (serv.man46) User Manual / Operation Manual

Sharp VT-3700H (serv.man47) Service Manual / Technical Bulletin ▷ View online

Sharp Electronics (UK) Limited
Originator AMu   Supervisor                        Approval Date    /   /     Reference TV-072
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
VT3700-002
Month of Issue:
        Classification: Routine
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
VT3700H
SYMPTOM The unit cannot be tuned.
CAUSE
Defective zener diode, IC1005 and fuseable resistor R760.
ACTION
Carry out the following circuit improvement.
1.  Replace IC1005 and R760.
2.  Measure the volt drop across R760 and compare with the list below and fit resistor
in parellel as indicated.
4.2V or greater    
2k2, 1W   
VRS-VV3AB222J
3.6V to 4.6V       
2k7, 1W   
VRS-VV3AB272J
3.1V to 3.6V       
3k3, 1/2W 
VRD-RM2HD332J
2.8V to 3.1V       
3k9, 1/2W 
VRD-RM2HD392J
2.5V to 2.8V       
4k7, 1/2W 
VRD-RM2HD472J
2.2v to 2.5V       
5k6, 1/2W 
VRD-RM2HD562J
2.0V to 2.2V       
6k8, 1/4W 
VRD-RA2EE682J
1.8V to 2.0V       
8k2, 1/4W 
VRD-RA2EE822J
1.6V to 1.8V       
10k, 1/4W 
VRD-RA2EE103J
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1005
Zener IC
RH-IX0249CEZZ
AF
R760
Resistor 220R
VRG-RF2EB221J
AB
Display

Sharp VT-3700H (serv.man47) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp VT-3700H (serv.man47) Service Manual ↓ Size: 7.23 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp VT-3700H (serv.man47) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp VT-3700H (serv.man47) CTR. Information contained in Sharp VT-3700H (serv.man47) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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