Panasonic PT-60LCX64-K, Service Manual, Page: 132 / 279

CHECKING THE BALLAST C.B.A.
OK
OK
NG
OK
NG
NG
Check the resistance of the Thermal Fuse Unit (F001)
on the Lamp House.
Check if there is no crack on the bulb of the Lamp.
Wait for at least 5 minutes after disconnecting AC plug.
Disconnect all connector cables on the Ballast C.B.A., then
take out the Ballast C.B.A.
Remove the Shield Case (the Ballast Hold Plate, the Ballast
Shield Case Top, and the Ballast Shield Case Bottom) of the
Ballast C.B.A.
Refer to Figure 2.
Check if the voltage is 0 V between ) and TP1302(-). Discharge ) and TP1302(-) by the
resistance (approx. 100 /5 W) for about 3 seconds.
Replace the Lamp.
Replace the Thermal Fuse Unit (F001).
Check the following parts on the Ballast P.C.B. with the Tester.
Reconnect all connector cable on the Ballast P.C.B. except the Lamp Connector.
Refer to Ballast C.B.A. Service Position <Service Position (4)>, Figure 3.
Replace the defective parts if necessary.
F1301, F1302 (Thermal Fuse), D1302, D1308, Q1304, Q1306, Q1307, Q1308, Q1309, Q1303, D1305, D1311, D1313, D1318,
D1303, D1304, D1315, D1309, D1310, Q1301, Q1302, IC1303, IC1304, IC1302
OK NG
CAUTION:
Do not remove the Shield Case of the Ballast C.B.A. for
at least 5 minutes after disconnecting AC plug to
reduce the risk of electric shock.
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.
bulb of Lamp
A
PT-60LCX64-K
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