Audio Board - Buffalo BU1715 Service Manual

6.3 Audio Board

PIN-3
PIN-1
CN204
R201 10K
1
2
3
10K
R203
33L8022-3A-H FEMALE
GND
C211
100 pF
VOLUME
R212
220K
R210 R211
C212
C209
+
100 pF 1.0uF
GND
12V
CN202
WAFER 2*7P 2.54mm MUTE
13 14
11 12
9 10
7 8
5 6
3 4
1 2
GND
C204 0.47uF
4
INL
C206 0.47uF 9
INR
6
VOLUME
11
STBY VAROUT_R
12
MUTE VAROUT_L
C210 C213
+
1.0uF 0.1uF
GND GND
29
Buffalo BU1715
+12V
+ +
C202
C201 C203
470uF/16V 470uF/16V 0.1uF
U201
TDA7496L GND
C205
17
OUTL
470uF/16V
14
OUTR
10 C207
SVR
470uF/16V
7
5 R207 R208
+
C208
470uF/16V
GND
OUT_L OUT_R
CN203
4
3
2
1
WAFER 4P2.0 R/A
GND