R-7A63M (serv.man6). Counter measure for grill stopping on auto functions — Sharp Home Appliance Technical Bulletin (repair manual)

Model
R-7A63M (serv.man6)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
14.67 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Home Appliance / Microwave Oven / Counter measure for grill stopping on auto functions
File
r-7a63m-sm6.pdf
Date

View Sharp R-7A63M (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.
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
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG
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.
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
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG
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.
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
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG
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.
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
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG
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.
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
of R63/R62/C61 (Connector E-3).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
DR160
Kit
FH-DZA344DREO
AG

Download Sharp R-7A63M (serv.man6) Technical Bulletin

Here you can view online or download Sharp R-7A63M (serv.man6) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp R-7A63M (serv.man6) Microwave Oven. Information contained in Sharp R-7A63M (serv.man6) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).