Sharp R-2390G (serv.man5) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference EHKE-214
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
R2290-001
Month of Issue:
Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R2290G
SYMPTOM Possible damage to relay RY4 when removing the control panel.
CAUSE
Forcing of the touch control panel during dismantling.
ACTION
To remove the touch control panel hold the lower end (position A in the diagram)
frirmly and slide it downwards. DO NOT FORCE IT. If it is difficult to slide the control
panel down then follow the procedure outlined below.
frirmly and slide it downwards. DO NOT FORCE IT. If it is difficult to slide the control
panel down then follow the procedure outlined below.
1. Insert a flat head crewdriver into space B.
2. Rotate screwdriver while holding position C of the touch control panel. CAUTION
2. Rotate screwdriver while holding position C of the touch control panel. CAUTION
To avoid damaging the touch control panel, cover the tip of the screwdriver with
tape.
tape.
3. Resolder the connections of RY4 before reinstalling the touch control panel.
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