Table of Contents
Advertisement
FLOW CHART NO.8
No operation is possible from the infrared remote control.
Operation is possible from the DVD, but no
operation is possible from the infrared remote
control?
Is 5V voltage supplied to the pin(3) terminal of
remote control receiver?
Is the "L" pulse sent out pin(1) terminal of receiver
when the infrared remote control is activated?
Is pulse signal supplied to the pin(125) of IC601?
(Although SEARCH(1), SEARCH(+), PLAY, STILL/
PAUSE, STOP, POWER and OPEN/CLOSE
button.)
FLOW CHART NO.9
PON 12V is not outputted.
Is 12V voltage supplied at collector of Q1002?
Is voltage of 12V sent out from the emitter of
Q1002.
Check the Q1002 periphery circuit.
Does the P-CON switch circuit operate normally?
(Q1005, Q1006, D1036, etc.)
Are the "H" pulse inputted into Q1002.
Replace IC1402.
1-8-3
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Replace the remoter control receiver or replace the
No
remoter control transmitter is necessary.
No
Check EV 5V line.
No
Replace the remote control receiver.
No
Check the line between the remote control receiver
and the pin(125) of IC601.
Yes
Replace IC601.
No
Check the secondary circuit, AT 12V and the
periphery circuit of Q1005 and Q1006.
Yes
Check for load circuit short-circuiting or leak.
No
Check each component and if poor the replace.
No
Check or replace Q1005, Q1006.
Advertisement
Table of Contents
