Figure 14.Power Supply - Cirrus Logic Crystal CDB4228A Manual

+12VBUS
-12VBUS
+5VBUS
GND
TP104
D9
1N4148
2 1
X_RESETn MRESETn
D10
1N4148
2 1
PPRESETn
VCC
S5
U17
PTS645TL50
1 4 3
VCC
2 3 2
RESETn
1
GND
DS1233-10
GND
GND
+12V
L3
D11 C100 C101
P6KE13A 47nf 47nf
13V
D12
P6KE13A C109 C103
13V 47nf 47nf
L4
-12V
VA
TP115 +5V Analog Supply Voltage
L5
C110
+
C111 22uf
47nf
GND
5V Digital Supply Voltage
VCC
TP110 TP111
L6
D13 C113
+
22uf
P6KE6.8A C114 C115
6.8V 47nf 47nf
GND
D14
1N4148
MRESETn
2 1
D15
1N4148
MUTEC
2 1
MUTEC
Figure 14. Power Supply
Analog Supply Voltage TP105
R89
1k
+ C94
22uf D6 C95 C96
+ +
GREEN LED 10uf 10uf
+ C102
22uf
+ C104 + C105
10uf 10uf
R90 D7
1k GREEN LED
Analog Supply Voltage
TP109
TP112 U16 TP103 TP114
LT1086CT-3.3
3 2
VIN VOUT
R91
374
R92
121
D8
GREEN LED
R93
2
500 POT
+ C116 R94
22uf 0
GND
GND
GND
VL
R95
1
0
Q7
MUN2111T1
2
3
TP116
2
3
Q8
MUN2211T1
R97
10k
1
GND
-12V
C97 C98 C99
+ + +
10uf 10uf 10uf TP106 TP107 TP108
GND
+ C106 + C107 + C108
10uf 10uf 10uf
VD
3.3V Digital Supply Voltage
+ C112
22uf
GND
MUTE