Pioneer DV-45A Service Manual page 81

5
Diagnosis Method of Audio Block
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This diagnosis is only DV-45A.
How to diagnose each audio signal of DVDM Assy without installing the SACDB Assy
Do not connectes between
1
Connect pin 9 of CN502 (DSP ICM) on the DVDM Assy to GND.
B
DVDM ASSY
SIDE A
2
Short-circuit R581 and R582 by lead wire.
B
DVDM ASSY
TE
L 13942296513
SIDE B
3
To confirm the Front L/R ch,
set "Audio Output Mode" of "Speakers" in "The Initial Settings Menu" to "2 channel", and playback the disc.
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4
To confirm the Surround Ls/Rs ch and Center/Subwoofer ch,
turn the above setting into "5.1 channel", and playback the disc (Ls/Rs and Center/Subwoofer signals are recorded).
.
5
http://www.xiaoyu163.com
6
↔
CN502 CN801
(DVDM) (SACDB)
Front Side
Front Side
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i
6
http://www.xiaoyu163.com
2 9
8
↔
, of FFCs.
CN531 CN901
(DVDM) (SACDB)
CN502
pin 9
(DSP ICM)
Q Q
3 6 7 1 3 1 5
2
Short-circuit
co
.
DV-45A
7
9 4 2 8
1
1
Connect to GND
34 44
0 5 8 2 9 9 4 2 8
R581
R582
53
m
7
8
9 9
A
B
17
C
9 9
D
104
1
E
2
F
81
8