VC-M25HM (serv.man18). Counter measure for no decoder loop through function — Sharp VCR Technical Bulletin (repair manual)

Model
VC-M25HM (serv.man18)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
18.52 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
VCR / Counter measure for no decoder loop through function
File
vc-m25hm-sm18.pdf
Date

View Sharp VC-M25HM (serv.man18) Technical Bulletin online

Sharp Electronics (UK) Ltd Technical Support Group
Originator 
$Y:
$Y:
 Supervisor 
3*-
3*-
  Approval Date  18/11/96   TB-T960900
VCR961101
Issue :
18/11/96
Classification : 
Routine
VIDEO TECHNICAL BULLETIN
Page 1 of 1
MODELS
VCM25HM
SYMPTOM When the video is switched from the operate mode to standby, the decoder loop
through function does not work.
CAUSE
Switching logic on IC6651 incorrect.
ACTION
Remove R6655 from the Main PWB and fit a 10k resistor as shown in the diagram
below.
Location of additional resistor and R6655
Display

Download Sharp VC-M25HM (serv.man18) Technical Bulletin

Here you can view online or download Sharp VC-M25HM (serv.man18) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp VC-M25HM (serv.man18) VCR. Information contained in Sharp VC-M25HM (serv.man18) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).