Read Sharp TU-32GD1E (serv.man8) Service Manual online
51
TU-32GD1E
TU-37GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
(Continued)
A CI card is not recogniz
ed.
Are Pins in SC9101 f
olded or crook
ed?
Is 27MHz CLK input to Pin (35) of IC9101?
Chec
k X9101 and per
ipher
al circuits
.
Replace SC9101.
NO
Are Pins (17), (18), (51) and (52) of SC9101
supplied with 5V v
oltage?
NO
NO
NO
Chec
k IC9102, IC9014, IC9001 and
per
ipher
al circuits
.
Is 3.3V v
oltage applied on the po
w
er Pin of
each of IC9101, IC9103, IC9104 and
IC9105?
Chec
k IC9101, IC9103, IC9104, IC9105 and
per
ipher
al circuits (data, address).
Chec
k IC9002 and per
ipher
al circuits
.
YES
YES
YES
YES