MONITOR OUT image is not displayed
MONITOR OUT image is
not displayed
No
Is a signal being input other
than the component or RGB
signal?
Yes
Only the component and RGB
signals can be output from
MONITOR OUT. Check the
unit using either the
component or RGB signal.
Check the communication
between the jack and IC4801.
Yes
Check the communication
between IC4801 and TP4602.
Yes
Yes
No
No
Check around the jack.
Is a signal output from
IC4801?
(pin 79)
Yes
No
Has the signal arrived at
TP4602?
Has the signal arrived at
IC4801?
Check around IC4801 and
check the communications
between IC4801 and the
microcomputer.
The sound is not emitted audio out
The sound is not emitted
audio out.
No
Check around Q4606 and R4605.
Check around Q4607 and R4612.
Yes
No
Check around the pin jack.
Is a signal output from
IC4801?
(pin 33) (pin 34)
Yes
No
Has the signal come to
TP4614 and TP4627?
Check the surrounding of IC4801
and each input signal.
44