Daewoo DP-42SM Service Manual page 39

Trouble shooting
YES
POWER PCB is N.G.
Fig. 7 Trouble Diagnosis Flow when HIGH VOLTAGE SHUT DOWN occurs
AC PWR "OFF"
HIGH VOLTAGE SWITCH of POWER
PCB "ON" (refer to Fig. 4)
Disconnect PW R Connector s of Z-SUS and
Y-SUS
AC PWR "ON" =>
PWR "ON" with Rem ote Controller
"SHUT DOWN"
occur?
YES
Z-SUS PC B is N.G.
-38-
NO
AC PWR "OFF"
Reconn ect only PWR Connector of Z-
SUS (P102A)
AC PWR "ON" =>
PWR "ON" with Remote Controller
"SHUT DOWN"
occur ?
NO
Y-SUS or SCAN PCB
is N.G.