
10.
Circuit Diagrams and PWB Layouts
10-6-14
Mute
19361_513_121211.eps
121211
Mute
B14
B14
2012-08-15
B
715G5632
Mute
HP_Mute_PreAmp
HP_Mute_PreAmp
14
SPK_MUTE(OPCTRL1)
H:SPK mute
L:SPK sound output
DC ON
DC OFF
AC OFF
AMP_MUTE
15
HP_MUTE
19
SPK_MUTE
5
SPK_MUTE
R686
10K 1/16W 5%
D602
BAV70
3
1
2
R688
10K 1/16W 5%
R680
0R05 1/16W
+5V_SW
AMP_MUTE
SPK_MUTE
A_MUTE
HP_Mute_PreAmp
D603
BAS316
R687
470R 1/16W 1%
+5VSB
ZD602
PDZ3.9B
1
2
D604
BAV70
3
1
2
+5V_SW
R682
20K OHM 1/16W 1%
R685
10K 1/16W 5%
+5VSB
A_MUTE
R684
1K 1/16W 5%
HP_MUTE
AMP_MUTE
+5V_SW
+5VSB
+5VSB
4,7,10
+5V_SW
4,11,12,13,14,16,18,20
AVDD3V3
4,5
GND
4,5,6,7,8,9,10,11,12,13,14,15,16,18,19,20,21,22
AVDD3V3
Mute Control
Q604
BC847C
Q605
BC847C
DVDD3V3
DVDD3V3
4,5,6,7,9,13,14,15,16,18,19,21,22
+
C656
100UF 16V
DVDD3V3
R689
4.7K 1/16W
HP_MUTE
R681
15K 1%