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CTV980603
Month of Issue : June 1998 Classification : White

TELEVISION TECHNICAL BULLETIN

Page 1 of 1

MODELS REASON ACTION

51CS03H

59CS03H

66CS03H

From version 4 of this chassis, various changes have been made to the circuit. When servicing chassis versions 4 or greater ( see diagram below) use the 51CS05H ( Part number SEKL51CS05H/1 ) or the 59/66CS05H ( Part number SEKT66CS05H/2 ) service manuals. Changes to the 51CS03H, 59CS03H and 66CS03H circuitry are :1. An audio mute circuit now incorporated into the chassis. 2. R631 and R632 have been added in series to the vertical +/-13V supplies. For the 59CS03H and 66CS03H only R628, D616 and D621 have been added to the +45V supply line from the line output transformer.

Originator

$Y:

Sharp Electronics (UK) Limited Supervisor

CE Technical Support Group / / Reference AM 110398 Red - Carry out on all units

Approval Date

White - Carry out as required

Yellow - Carry out as required and whenever unit comes in for service