Hitachi HTD-K210 Service Manual page 51

B Display abnormal
Scart
Does the screen appear?
Yes
Is display normal?
Yes
Normal
Check if voltage of screen F1 and F2 is normal.
No
Check if voltage of 34 pin of PT6311 is -24V.
Check grounded negative voltage of screen F1 and F2.
Check if connection cord between screen
No
and decoder ass'y is broken.
Check if PT6311 pin is connected.
check if pin of screen is connected.
31
Replace PT6311.