Pioneer PRO-720HD Service Manual page 38

1
PRO-720HD, PRO-620HD, PRO-520HD
3.4 SIGNAL ASSY (2/9)
A
A 1/9
B
C
A 1/9
2701-pin 18
1
V: 1V/div. H: 10µsec/div.
D
A
2/9
38
1
2
A 2/9
SIGNAL ASSY
(AWV1917)
• TUNER 2 BLOCK
2SC2712 2SC2712
4.8V
(C)
J2703-pin 9
2
V: 1V/div. H: 10µsec/div.
GND
2
3
(C)
2V
(C)
2V
2V
2V
9V
9V
4.1V
0V
(C)
GND
3
4
: COMPOSITE AUDIO SIGNAL ROUTE
: AUDIO SIGNAL ROUTE
9V
0V
9V
2SC2712
9V
0V
2701-pin 14
3
V: 1V/div. H: 200µsec/div.
4
(C)
GND