VC-M311HM (serv.man8). Countermeasure to various faults (e.g.no operation, won't come out of standby). — Sharp VCR Technical Bulletin (repair manual)

Model
VC-M311HM (serv.man8)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
35.34 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
VCR / Countermeasure to various faults (e.g.no operation, won't come out of standby).
File
vc-m311hm-sm8.pdf
Date

View Sharp VC-M311HM (serv.man8) Technical Bulletin online

VCR2000 06 01
Month of Issue:  
June 2000
        
Classification: 
White
VIDEO TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference AVW04062000-2
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
VCM311HM
VCM312HM
VCM522HM
VCMH721HM
VCMH722HM
VCMH73HM
VCMH731HM
VCM26HM
VCM27HM
VCM271HM
VCMH67HM
VCMH675HM
VCMH68HM
VCMH69HM
SYMPTOM Various faults:
·
No operation
·
Will not come out of standby
·
EEPROM can not be programmed correctly
·
Erratic or intermittent functions
·
Will not respond to the remote control
·
Will not respond to the front panel buttons
·
Erratic or intermittent timer programming operations
CAUSE
Microprocessor program crash.
All  of  the  models  listed  above  utilise  a  back-up  power  facility  that  maintains  the
memory  inside  the  main  processor  in  case  of  a  mains  power  failure.    If  the  mains
failure is of reasonable short duration, then all original settings are retained and  the
unit will continue to function as before the mains interruption (including the retention of
any corrupted data).
ACTION
Discharge back-up capacitor connected to the supply pins of the processor.
Display

Download Sharp VC-M311HM (serv.man8) Technical Bulletin

Here you can view online or download Sharp VC-M311HM (serv.man8) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp VC-M311HM (serv.man8) VCR. Information contained in Sharp VC-M311HM (serv.man8) 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).