Troubleshooting - Panasonic PT-VZ570 Service Manual

SECTION 1 SERVICE INFORMATION

6. 3. Troubleshooting

* The letters in the left of inspection items indicate the P.C. Boards related to their respective descriptions.
* Please check items with the interlock switch on.
■ Power does not turn ON. ON(G)/STANDBY(R) LED does not light in red)
Check the connection of each connector
AC inlet - P11, P12, P01, P03 - K8R
Disconnect the connectors [P02],[P03]. Check the short
A
circuit between pins 1, 14, 6,7 of connector P03.
Confirm the fuse [F601]
K
P Confirm the short circuit of Q611, Q612, Q613, Q614
Replace [P] P.C.Board
P
■ Lamp does not turn ON.
Confirm the connection of each connector on A-P.C Board
and lamp.
Confirm the lamp fixing screws.
Confirm the lamp condition
Is each fan rotating when the projector turns on?
Is each thermal sensor operating in normal?
OK
OK
OK
OK
OK
OK
OK
OK
Next page
NG
Connect the cables properly
NG
Replace the [A] P.C.Board
A
NG
Replace fuse
K
NG
Replace the shorted parts
NG
Connect the cables properly
NG
Replace the lamp
NG
Check each fan and connection
NG
Check each thermal sensor and connection
INF-25