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INF-27
SECTION 1 SERVICE INFORMATION
6. 5. 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.
* Please check items with the interlock switch on.
■ Power does not turn ON. (ON(G)/STANDBY(R) LED does not light in red)
■ Lamp does not turn ON.
Check the connection of each connector
AC inlet - P11, P12, P01, P03 - K8R
NG
Connect the cables properly
Confirm the connection of each connector on A-P.C
Board and lamp.
Confirm the lamp fixing screws.
Board and lamp.
Confirm the lamp fixing screws.
NG
Connect the cables properly
A
Disconnect the connectors [P02],[P03]. Check the short
circuit between pins 1, 14, 6,7 of connector P03.
circuit between pins 1, 14, 6,7 of connector P03.
NG
A
Replace the [A] P.C.Board
Confirm the lamp condition
NG
Replace the lamp
Is each thermal sensor operating in normal?
NG
Check each thermal sensor and connection
Is each fan rotating when the projector turns on?
NG
Check each fan and connection
Next page
OK
OK
OK
OK
OK
OK
K
Confirm the fuse [F601]
NG
K
Replace fuse
P
Replace [P] P.C.Board
P
Confirm the short circuit of Q611, Q612, Q613, Q614
NG
Replace the shorted parts
OK
OK
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