CTV990113
Month of Issue: January 1998
Classification: White
TELEVISION TECHNICAL BULLETINPage 2 of 2
Symptom Possible Remedy
Other Problems
East West correctionCheck D605, D612, D619, D621 &(R634 i R628 n
later models)
Blank raster and flyback lines when hotTechnical Bulletin CTV970204 (issued Feb 97)
Blank raster ( no sandcastle pulse)D602
Tuner driftTechnical Bulletin CTV970806 (Issued Feb 97)
Notes
1.D609 & D610 may not read faulty.
2.Q601, IC201 & C601 are different devices in the 51cm than the larger models.
3.Before replacing IC201 ensure that 8V is present on all three supply pins (22,23 & 53)
4.The value of R706 in the 59CS05 & 66CS05 models is 0.33ohm.
5.CTV must be tuned to CH69 and receiving a signal before the IF PLL (ACF) is carried out.
6.For alternative 45V and Audio Mute circuits (??CS)3H models only) refer to ??CSO5H service manual.
7. Some exchange PWB will have a single 4 pin socket instead of two 2 pin sockets for the loudspeaker
connections. Carefully trim the two 2 pin plug to enable them to fit into the single 4 pin socket.
* These parts except for R707 & R720 are available as a kit.
Part numbers are:
51 cm models51 CSCHASSISKIT
59/66cm models59 CSCHASSISKIT
Sharp Electronics (UK) Limited
OriginatoAvrW Supervisor Approval DAVaWt1e20 /199/ /2 Reference
Revision 1
White - Carry out as required, Yellow - Carry out as required and whenever the unit comes in flo unr sitersvice, Red - Carry out on al |
ACEC
