Panasonic PT-EZ770T

INF-33
SECTION 1 SERVICE INFORMATION
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B Confirmthefuse[F9602]
NG
B Replacefuse
B Replace[B]P.C.Board
B
Confirm the voltages between pins of connector [B1] below;
(1) - (3) DC 380V
(4) - (3) DC 18V
NG
B Check or replace [B] P.C.Board
B
Confirm the short circuit of Q9611, Q9612, Q9615, Q9602,
Q9603
NG
B Replacetheshortedparts
P
Confirm that the short circuit between pins (4) and (3) of connec-
tor[K9201](DC18Visobservedinnormal)
NG
P Check or replace [P] P.C.Board
OK
OK
OK
OK