Sharp 37DT-25H (serv.man31) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference BW 100898
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV980808
Month of Issue: August 1998
Classification: Yellow
TELEVISION TECHNICAL BULLETIN
Page 1 of 2
MODELS
37DT25H
37DM23H
SYMPTOM In Febuary this year, Sharp recalled the above models for inspection of the CRT
aquadag earthing.
This is a reminder that all recievers should be inspected when they come into the
workshop for repair.
workshop for repair.
ACTION
Inspect all models that come into the workshop as and modify as necessary.
Details of the modification are given below.
Check the type of CRT Ground wire fitted, as indicated below.
Type 1A or 1B
1A – The twisted point where the three wires are
joined, comes apart. CSA type number and
SUMITOMO are printed on the insulation for the
back wire which connects to the CRT socket
joined, comes apart. CSA type number and
SUMITOMO are printed on the insulation for the
back wire which connects to the CRT socket
1B – Basically the same as 1A, but no type number
Type 2
There is a white plastic tie wrap around the three
twisted wires.
twisted wires.
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference BW 100898
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV980808
Month of Issue: August 1998
Classification: Yellow
TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Type 3
The tree twisted wires are crimped together.
If the receiver is fitted with type 1A or 1B CRT Ground wire, then modify as follows.
Cut excess
cable tie
cable tie
Cut excess
cable tie
cable tie
Cable tie
Position cable tie near the spring
ATTENTION
Fasten cable
ties tightly
Fasten cable
ties tightly
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