Pioneer PRO-R06U Training Manual page 42

Image for the component or RGB or PC signal is not displayed
Image for the component or
RGB signal is not displayed
No
Is the function corresponding
to selected signal input
selected?
Yes
Has the signal arrived at
IC4702?
(pin 94) (pin 96) (pin 98)
Yes
Which signal is not output,
main or sub signal?
Main signal
Is a signal output from
IC4702?
(pin 41) (pin 43) (pin 45)
Yes
Has the signal arrived at
IC6201?
(pin 43) (pin 48) (pin 54)
Yes
Is the communication
between each IC on the MR
MAIN Assy and the
microcomputer normal?
Yes
Has the symptom been
settled when the MR MAIN
Assy is replaced?
Yes
Finishing troubleshooting
No
Select the corresponding
signal with the Input selector.
Check the communication
No
between the jack and
IC4702.
Sub signal
Check around IC4702 and
No
check the communications
between IC4702 and the
microcomputer.
Check the communications
No
between IC4702 and
IC6201.
Check around the IC that is
No
found to have a failure in
communication and the
microcomputer.
No
The panel is defective.
Image for the PC signal is
not displayed
No
Has the signal arrived at
No
IC4702?
(pin 64) (pin 66) (pin 68)
Yes
Is the screen on the main
side digital or analog TV?
Yes
Is a signal output from
IC4702?
No
(pin 41) (pin 43) (pin 45)
Yes
Has the signal arrived at
IC6201?
No
(pin 43) (pin 48) (pin 54)
Yes
42
It is a specification that the
No
image on the subside is not
displayed.