Pioneer DV-47AI Service Manual page 82

1
Diagnosis Method of Audio Block
A 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
B
SIDE A
C
2
Short-circuit R581 and R582 by lead wire.
B
DVDM ASSY
SIDE B
D
E
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.
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).
F
82
1
2
↔
,
CN502 CN801 CN531
(DVDM) (SACDB) (DVDM)
Front Side
Front Side
DV-47Ai
2
3
↔
of FFCs.
CN901
(SACDB)
CN502
pin 9
1
Connect to GND
(DSP ICM)
34
2
R581
Short-circuit
R582
3
4
1
17
44
104
53
1
2
4