Panasonic PT-VZ570 Service Manual page 32

SECTION 1 SERVICE INFORMATION
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Confirm that the voltage at pin (2) of connector [P03] changes
A
from Low to High when the power is ON.
Confirm that the voltage at pin (4) of connector [K8H] changes
A
from High to Low when the power is ON.
Confirm the voltages between pins of connector [P02] below;
P
(1) - (2) DC 380V
Confirm the voltages between pins of connector [P02] below;
P
(2) - (3) DC 18V
Confirm the voltages between pins of connector [CN1] below;
B (1) - (2) DC 380V
(2) - (3) DC 18V
B Check or replace [B] P.C.Board
OK
OK
OK
OK
OK
NG
A Check or replace [A] P.C.Board
NG
A Check or replace [A] P.C.Board
NG
P Check or replace [P] P.C.Board
NG
P Check or replace [P] P.C.Board
NG
Replace [B] P.C.Board
B
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