Sharp 66ES-03H (serv.man31) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Reference AVW150299/2
Revision 6
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV990203
Month of Issue: Febuary 1999
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
51DS02H
51DS03H
51DS05H
59DS03H
59DS05H
66DS03H
66DS05H
66ES05H
Common Faults on the CA10 chassis
Fault
Reason
Cause
No functions - set will not turn on
Supply to IC702 missing
R704 open circuit
Set not coming out of standby
Start up pulse missing
R713/4 open circuit or high
Vertical scanning problems
No supply to vertical output stage
F601 and/or F602 (note that both these
fuses shoulc be 1.5A)
fuses shoulc be 1.5A)
Child lock problems
Programming error
Go into the service mode and select
Auto Installion On, then restart set.
Auto Installion On, then restart set.
No or intermittent response from the
remote control and/or front buttons
remote control and/or front buttons
No response from the slave micro
R704 and/or R705 high resistance
Set locks up
No response from the slave micro
R704 and/or R705 high resistance
Circuit changes around IC201
IC201 has been changed in production
Refer to Technical Bulletin CTV980809
Other circuit changes
Change of CRT type to Thompson
Refer to Technical Bulletin CTV981203
or CTV981204
or CTV981204
When replacing R704, R705, R713 or R714 please ensure that 1W resistors are used.
Note that the CA1\CA10 chassis training course notes are available on the Sharp Electronics (UK) Limited Web Site
(
(
www.tradenet.sharp.co.uk/tech
) under the models fitted with these chassis - grouped under the Service Manual
heading. These notes contain in depth details on circuit operation. Please refer to these while fault finding.
If you have a fault to add to the above list, please do no hesitate to contact Sharp Technical Support via the Hot Line
telephone number.
telephone number.
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