Pioneer M-EV51 Service Manual - Page 48
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1
7.1.4 DISASSEMBLY
For diagnosing VHVL AMP ASSY
1 Remove the rear panel.
A
2 Remove E-VOL ASSY and SECONDARY ASSY temporarily.
3 Remove SECONDARY ASSY.
4 Remove SP-TERMINAL ASSY.
(Even if this ASSY is removed, VHVL ASSY can operate.)
5 Attach SECONDARY ASSY to E-VOL ASSY again.
6 Put E-VOL ASSY, AMP MODULE and SECONDARY ASSY on the table, and diagnose VHVL AMP ASSY.
Note : The connectors between E-VOL ASSY, SECONDARY ASSY, VHVL AMP ASSY and AMP REG FAN ASSY
(CN3003-CN3, CN3101-CN3301, CN3102-CN3302, CN3104-CN3502, CN3103-CN3501)
are board to board connectors. It is difficult to connect them.
B
Be sure to confirm the complete connections.
It may become the factor of trouble.
C
D
E
F
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1
2
G
PRIMARY ASSY
D
SP-TERMINAL ASSY
M-EV51
2
3
B
C
VHVL AMP ASSY
AMP REG FAN ASSY
A
E-VOL ASSY
SECONDARY ASSY
H
3
4
4