Mitsubishi Electric PD-6130, Руководство по обслуживанию

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3-16
4. Remote control not effective
(1) The wired remote control is not effective.
1
When a single item is used (Caution) The wired remote control is not effective if the setting of
[PLE LINK], [Repeat TIMER], or [IR REMOTE] is ON, or
if the setting of [ID NUMBER] has been made. There-
fore, such a setting should be turned off, without fail. Since
then, troubleshooting can be carried out.
Is there a signal output specified be-
low at Pin 7 of the RS connector?
Is there a signal output specified below
at Pin 3 of the M2003? (Refer to the
PWB layout diagram on Page P4-22.)
The RS connector or the
MAIN PWB is fault.
YES
The wired remote control is not effec-
tive.
5Vpp
5Vpp
Is there a 3.3Vdc output at
Pin 2 of the M2003? (Refer
to the PWB layout diagram
on Page P4-22.)
NO
The remote control or the remote
control cable is fault.
YES
The RS232C PWB is fault.
NO
When the RS connector is discon-
nected, is there a signal output speci-
fied below at the RS connector of the
MAIN PWB?
YES
Pin No. Pin Name Voltage
1 M+7V 6.8Vdc
5 M+5V 5Vdc
The RS connector or the
MAIN PWB is fault. NO
NO
The 232C PWB is fault.
YES
2
When a daisy chain (including the video wall) is used
Are the 0Vdc and 5Vdc outputs re-
spectively available at Pins 9 and 10
of the RS connector in the standard
product of 232C PWB?
Is there a clock signal out-
put at Pin
3
of the M2004?
(Refer to the PWB layout
diagram on Page P4-22.)
Check the products of sec-
ond and thereafter accord-
ing to “
1
When a single item
is used.”
YES
YES
The wired remote control is not effec-
tive.
The MAIN PWB is fault.
NO
The 232C PWB is fault.
NO