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CTV970502
Month of Issue : Classification : May 1997 White Page 1 of 1

TELEVISION TECHNICAL BULLETIN

MODELS

DV5131H

DV5150H

REASON

During production of the above models, the manufacturer of the chopper transformer ( T701 ) has been changed. This change has taken place from the following serial numbers. DV5131H - 715610 DV5150H - 713410 The new transformer is now supplied as an alternative to the original.

ACTION

When replacing T701 in sets before the serial numbers given above, carry out the following circuit change. 1. 2. 3. Replace R509 with a 2.2R 0.5W resistor. Remove D502 and replace with a wire link. Remove D503.

Use the part numbers given below. REF NO T701 R509 D502 DESCRIPTION Chopper Transformer Resistor, 2.2R 0.5W Jumper, 15mm PART NUMBER RTRNZ0511BMZZ VRD-RA2HD2R2J QJUM-2001CEFW PRICE CODE AV AA AA

Originator

$Y:

Sharp Electronics (UK) Limited Supervisor

CE Technical Support Group / / Reference UK61200X 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