Toshiba SD-170EKE2 Manuale di servizio - Pagina 11
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Abnormal color of video picture
Check whether the 3.3V and
1.8V power supply voltages on
the decoder board are normal.
Check if the video signals on Pin
147,149,151,152,154 of U1 are normal
Abnormal color of
video picture
Yes
Check whether the 27MHz
output signal is normal.
Yes
Yes
Check whether the video
filter network circuit is
normal.
Yes
1-8
No
Check Y1, R13, C38 and C39
Check other of power supply
No
electric circuit
No
Correct the connection
No
change U1
Trouble shooting chart