Pioneer 434CMX Service Manual - Page 112

Multi Base Diagnosis, Diagnosis of AV I/O Assy, Removing Multi Base

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1 2 2 Multi Base Section A Diagnosis of AV I/O Assy 1 Remove the three nuts. 2 Remove the six hexagonal screws. 3 Remove the one screw. 4 Remove the one pin grommet. 5 Remove the AV I/O Assy with the AV I/O I/F Assy. B 3 4 AV I/O Assy 3 5 4 1 2 ×2 2 ×2 2 ×2 1 ×2 6 Remove the AV I/O Assy from the AV I/O I/F Assy. 7 Connect the AV I/O Assy to slot of the RGB Assy. C Diagnosis Note: The cooling fan may rotate during diagnosis, in the following cases: • When the rotation speed of the fan has been set to maximum for Integrator mode • When the ambient temperature surrounding the temperature sensor is 35˚C or higher Removing Multi Base Section 1 Remove the eight screws. 2 Remove the two screws. D 3 Disconnect the some connectors at need. 4 Remove the terminal panel (43M). AV I/O I/F Assy 6 AV I/O Assy 7 AV I/O Assy 2 11 41 1 2 11 11 Terminal panel (43M) 5 Remove the two screws. 6 Disconnect the some connectors at need. E 7 Remove the multi base section. Note: Some tiny metal shavings may be released from the paring screw section when the VIDEO SLOT I/F Assy is detached from the sheet metal and is reattached to it. Be sure to clear away any shavings or other foreign matter before reattaching it to the RGB Assy. VIDEO SLOT I/F Assy 5 Multi base section 5 7 F 112 1 RGB Assy AUDIO AMP Assy PDP-434CMX 2 3 4

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PDP-434CMX
112
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Terminal panel (43M)
AV I/O Assy
AV I/O Assy
×
2
AV I/O Assy
AV I/O I/F Assy
RGB Assy
AUDIO AMP Assy
VIDEO SLOT I/F Assy
Multi base section
2
5
5
1
1
1
1
1
1
1
1
2
2
×
2
2
×
2
2
×
2
1
1
5
4
7
6
7
3
4
2
Remove the six hexagonal screws.
1
Remove the three nuts.
3
Remove the one screw.
4
Remove the one pin grommet.
5
Remove the AV I/O Assy with the AV I/O I/F Assy.
6
Remove the AV I/O Assy from the AV I/O I/F Assy.
7
Connect the AV I/O Assy to slot of the RGB Assy.
3
Disconnect the some connectors at need.
4
Remove the terminal panel (43M).
5
Remove the two screws.
6
Disconnect the some connectors at need.
7
Remove the multi base section.
1
Remove the eight screws.
2
Remove the two screws.
Multi Base Section
2
Diagnosis
Diagnosis of AV I/O Assy
Removing Multi Base Section
Note:
Some tiny metal shavings may be released from the paring
screw section when the VIDEO SLOT I/F Assy is detached from
the sheet metal and is reattached to it. Be sure to clear away any
shavings or other foreign matter before reattaching it to the RGB
Assy.
Note:
The cooling fan may rotate during diagnosis, in the following cases:
• When the rotation speed of the fan has been set to maximum for
Integrator mode
• When the ambient temperature surrounding the temperature
sensor is 35˚C or higher