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DV3750-002 TELEVISION TECHNICAL BULLETIN
Month of Issue: Classification: Immediate Page 1 of 1

MODELS

DV3750H

DV5131H

DV5150H

SYMPTOM No operation.

CAUSE ACTION

The NVM is corrupted by electrostatic discharge. Carry out the following circuit change. 1. Replace D710 with the new type diode. 2. Add a 10nF, 50V ceramic capacitor between pin 10 of IC1001 and ground (pin 11 of IC1001/Link 176). 3. Add a 10nF, 50V ceramic capacitor between pin 39 of IC1001 and ground (link 26).

REF NO D710 -

DESCRIPTION Diode, 1N4937 Capacitor 1nF, 50V

PART NUMBER RH-DX0507BMZZ VCKZPA1HF103Z

PRICE CODE AB AA

Sharp Electronics (UK) Limited Approval Date / / Reference UK44500X Revision White Carry out as required, Yellow Carry out as required and whenever the unit comes in for service, Red Carry out on all units Originator AMu Supervisor