VC-MH68HM (serv.man26). Dead or tripping power supply. - Sharp VCR Technical Bulletin (repair manual)

vc-mh68hm (serv.man26) technical bulletin
Model
VC-MH68HM (serv.man26)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
11.87 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
VCR / Dead or tripping power supply.
File
vc-mh68hm-sm26.pdf
Date

Read Sharp VC-MH68HM (serv.man26) Technical Bulletin online

VCR2000 01 02
Month of Issue: January 2000
        
Classification:
         White
VIDEO TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference AVW200100-1
Revision  1
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
MODELS
VCM26HM
VCM27HM
VCM271HM
VCM29HM
VCMH67HM
VCMH675HM
VCMH68HM
VCMH69HM
SYMPTOM Dead or tripping power supply.
CAUSE
-25V supply is low or missing, or no power supply feedback.
ACTION
If the –25V supply is low or missing, replace D927 and R995.
If the D927 and R995 are not found to be faulty, then it is likely that the opto coupler,
IC901, is faulty.
Please use the part numbers below for replacement parts.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
D927
Diode, 1SS147
VHD1SS147//-1
AA
R995
SMD resistor, 10 (1/16W)
VRS-CY1JF100J
AA
IC901
Photo coupler
RH-FX0007GEZZ
AE

Download Sharp VC-MH68HM (serv.man26) Technical Bulletin

Here you can read online and download Sharp VC-MH68HM (serv.man26) Technical Bulletin in PDF. VC-MH68HM (serv.man26) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp VC-MH68HM (serv.man26) VCR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.