Panasonic PT-60LCX64-K, Service Manual, Page: 134 / 279

OK
OK
NG
Is the voltage between ) and TP1304(-)
approx. 19V during flashing the Power LED (D6701)
green? Unplug the AC Cord, and plug in the AC Cord again.
Then, turn the power ON.
Replace the Ballast C.B.A.
Replace the defective parts if necessary. Check the other parts (Q1301, Q1302, Q1303, etc.)
on the Ballast P.C.B.
Replace T1301 or U1301.
(If still NG, even after replacement of T1301 and U1301,
replace the Ballast C.B.A.
NG
NG
NG
NG
OK
OK
There is a problem on the Main C.B.A.
Check LAMP ON(H) signal line between
Pin 2 of P6002 and Pin 44 of IC6003, and
IC6003 on the Main C.B.A.
Is the voltage between Pin 1 and Pin 4 of P1305
approx. +5V (High) during flashing the Power
LED (D6701) green?
There is a problem on the Main C.B.A.
Check STANDBY (L)/POWER ON (H) signal line
between Pin 1 of P6002 and Pin 48 of IC6003, and
IC6003 on the Main C.B.A.
Is the signal(LAMP ON(H)) between Pin 2 and Pin 4 of
P1305 correct during flashing the Power LED (D6701)
green?
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.
<Service Position (4)>
B
C
C
<Waveform between Pin2 and Pin4 of P1305>
PT-60LCX64-K
134