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TU-37GD1E (serv.man8). Trouble shooting table - Sharp TV Service Manual (repair manual). Page 18

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50
TU-32GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
 (Continued)
NO
NO
YES
YES
YES
Confir
m the connection betw
een P8903 
and SC2101, troub
leshooting about 
DUNTKC481DE01 (the main circuit 
PWB).
Chec
k IC8904 and per
ipher
al circuits
.
Chec
k IC8905 and per
ipher
al circuits
.
No A
udio output of digital broadcasting
Is LR A
udio output from Pins (27) and 
(29) of P8903?
Is LR A
udio output to Pins (91) and (95) 
of IC8905?
NO
Is the digital signal input to Pins (15) thr
u 
(17) and (19) of IC8905?
Chec
k IC8801, IC8802, IC8804, IC8805, 
IC8601 and per
ipher
al circuits
.
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