Sharp PG-B10S - Page 38

38
PG-B10S
YES
YES
YES
YES
Checking the power unit
Are the P701, P711 and
P741 connectors tightly
connected?
Reconnect the P701,
P711 and P741
connectors tightly.
Replace the bimetal switch.
Replace F701.
NO
NO
NO
Check IC721, R738, R739
and their peripheral ICs for
damages. Replace any of
them as required.
NO
Is the bimetal switch in
good condition?
Is there AC voltage (100-
240V) applied across
C701?
Disconnect the P741
connector. Is there 6V
output at pins (11) and
(12)?
Check the main PWB for
short-circuit.