Read Sharp R-7E53M (serv.man6) Technical Bulletin online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference EHKE-212
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
R7A63-001
Month of Issue:
Classification: Immediate
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E53M
SYMPTOM The grill stops operating when using the automatic function, this may occur when the
microwave is used in low room temperature.
CAUSE
Temperature drift of the components connected to pin 7 of IC1.
ACTION
Fit the following components as detailed in the diagram. The resistor and diode are
supplied connected togeather inside a plastic tube.
supplied connected togeather inside a plastic tube.
1. Solder each end of this part as in the diagram below.
2. Ensure that no leads short out to any other components.
3. No parts must exceed 4mm from the base of the PWB.
4. Connect the diode side to the collector of Q84 and the resistor side to the junction
2. Ensure that no leads short out to any other components.
3. No parts must exceed 4mm from the base of the PWB.
4. Connect the diode side to the collector of Q84 and the resistor side to the junction
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG
Display
