Panasonic PT-AE8000U Service Manual page 23

 The projector does not change from standby mode to an operating mode.
(The power indicator does not change from red to green.)
Confirm every connector (especially, A5) is connected
and the lamp unit cover is installed properly.
A Connector A5 pin 14 changes from Low to Hi.
Disconnect the connector A5 check and between
A terminal 1-4, 7-8, 9-10, 11-12.
Short circuit?
Replace the P-P.C.Board, then confirm the projector
becomes changing from standby mode to an
operating mode.
Replace the B-P.C.Board, then confirm the projector
becomes changing from standby mode to an
operating mode.
 A shutdown occurs.
Check the indicators
All indicators are not lit.
Only power indicator is lit
Lamp indicator is lit
Lamp indicator is flashing
Temp indicator is flashing
If impossible to set the temperature control of the microcomputer has failed, the thermal fuse will disconnect,
shutting off the power supply.
A Main microprocessor IC1046 checks.
Replace the temperature sensor each.
YES
YES
NO
NO
OK
NO
Connect the connectors or install the lamp cover properly.
NO
Check the connector A5(pin 14) and around them.
A
(Q1019, C1201, R1313)
YES
・A short has occurred in terminals 1(+3.3V)-4
Check R1558,C1204 (3.3V line)
・A short has occurred in terminals 7(+5V)-8
Check C1205,C1206 (5V line)
A
・A short has occurred in terminals 9(+13V)-10
Check C1207 (13V line)
・A short has occurred in terminals 11(+17V)-12
Check C1210 (17V line)
Check the attachment of the Lamp cover.
Follow the section
"Lamp does not turn ON (LAMP indicator not lit)".
Follow the section
"Lamp does not turn ON. (LAMP indicator is lit)".
Follow the section
"Lamp does not turn ON. (LAMP indicator is flashing)".
Follow the section
"Lamp does not turn ON. (TEMP indicator is flashing)".
NG
A Replace the A-P.C.Board.
INF - 17