TU-32GD1E (serv.man8). Trouble shooting table - Sharp TV Service Manual (repair manual). Page 19

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51
TU-32GD1E
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
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