Panasonic PT-60LCX64-K, Руководство по обслуживанию, Страница: 133 / 279

NG
There is no problem with the Ballast C.B.A.
After discharging the voltage between ) and
TP1302(-), reinstall the Shield Case (the Ballast Hold
Plate, the Ballast Shield Case Top, and the Ballast
Shield Case Bottom) of the Ballast C.B.A.
NG
P1301-Pin 1(+) <--> TP1304(-): Approx. 19V
P1301-Pin 4(+) <--> P1301-Pin 5(-): Approx. 17V
Check the voltage at the following points during
flashing the Power LED (D6701) green.
Plug in the AC Cord and turn the power ON.
Plug in the AC Cord again and turn the power ON.
After the Lamp Error (Error No. 5)) is indicated (the
Lamp LED flashes once), unplug the AC Cord and
connect the Lamp Connector to the Lamp.
Is there a slight crackle sound from the Ballast P.C.B.
after approx. 5 seconds? Unplug the AC Cord and then, plug in the AC Cord
again. And turn the power ON.
Does the Lamp light up?
Replace U1301.
(If still NG even after replacement of U1301,
replace the Ballast C.B.A.)
Check the Power C.B.A.
(Refer to "CHECKING THE POWER C.B.A.")
NG
OK
OK
OK
CAUTION:
Do not touch any parts for at least 5 minutes
after disconnecting AC plug to reduce the risk
of electric shock.
Before checking parts, confirm that the voltage
between TP1301 and TP1302 is 0 V.
If not, discharge TP1301 and TP1302 by
resistance (approx. 100 /5 W) for about
3 seconds.
CAUTION:
Do not touch any parts for at least 5 minutes
after disconnecting AC plug to reduce the risk
of electric shock.
Before checking parts, confirm that the voltage
between TP1301 and TP1302 is 0 V.
If not, discharge TP1301 and TP1302 by
resistance (approx. 100 /5 W) for about
3 seconds.
CAUTION:
Do not touch any parts for at least 5 minutes
after disconnecting AC plug to reduce the risk
of electric shock.
Before checking parts, confirm that the voltage
between TP1301 and TP1302 is 0 V.
If not, discharge TP1301 and TP1302 by
resistance (approx. 100 /5 W) for about
3 seconds.
A
B
C
<Service Position (4)>
PT-60LCX64-K
133