How to troubleshoot a “no power” condition for the TH-65XVS30
Can 5V be measured on pin 4 of connector P27 when turning the power on?
No Yes
Does pin 11 of P700 of the SS Power board go high?
Does pin 2 of P27 of the P board SS go
high?
No Yes Yes No
Does pin 6 of P700
of the SS Power
board go high?
Check the D board
Does pin 20 of P700 of the SS Power
board go high?
Check the SS
Power board, and
the SC Power
board
Yes No
No Yes
Check the
SS Power
board, and
the SC
Power
board
Check the PC board
Can 12V be measured on pin
10 of connector P12 when
turning the power on?
Check
the
PC
board
Yes No
Check the SS
Power board,
and the SC
Power board
Can 12V be measured on pin 8 of connector P12 when turning
the power on?
Yes No
Check the S1 board and connections on the
Sustain (SS) board
Check the SS Power board, and the SC Power board
Table 4
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