Bose SoundDock 10 Service Manual page 40

8
7
R
FRAMINGHAM, MA 01701-9168
SoundDock 10 DIGITAL MUSIC
SYSTEM, PCB, DSP/IR
PCB P/N: 322292
Sheet 4 of 14
D
VREF
R402
6.04K
C
Q401
146819
3
PS_SYNCH_CLK1
Q400
C401
146819
1000pf
C400
470pf
R400 R401
1K 22
DGND
B
FLOODED PLANE FOR
HEAT TRANSFER
+3_3V
+24V
U401
258496-001
3 2
IN OUT
ADJ
1
R414
C419
510
1.0uF
FAIL OPEN
A
DGND
R415
825
LEGEND
DGND
DIGITAL AUDIO PATH
ANALOG AUDIO PATH
ON VOLTAGES
OFF VOLTAGES
8 7
6
D404
147249
C421
R416
1K
4.7uF
C402
47pF
U400
C403
R404
312199-001
3.3K
0.0022uF
1_COMP REF_14
2_NC
3_VFB VCC_12
4_NC
R403
5_ISENSE OUTPUT_10
6.04K
6_NC
7_RT/CT POWER_GROUND_8
C420
4.7uF
6
5 4
+24V
R406
0.47 OHM
C406
1.0uF
FAIL OPEN
DGND
R405
C423
20K
0.1uF
R407
NoPop
100ohm
DGND Q402
MMBT3904
C408
220pF
ZR401
10V
135247-5240
DGND
Q405
4 2
312197-001
NC_13
1
VC_11
3
R426
GND_9
22
DGND
R408
1K
DGND
C404 C405 C407
R409
0.1uF 0.1uF 100pF
680 Milli- OHMS
DGND D G N D DGND D G N D
4
5
3
CLASS
SD
Q406
+6V FDN335N
C428
NoPop ZR402
5.1V
135247-5231
VR400
324229-5500
4
IN2
3
IN1
2
EN
1
GND
DGND
+3_3VS
D
D400
Q403
FDN335N
G NoPop
193847-001
S
C410
2.2uF
T400
DGND
PT312186-001
DGND
1 10
D401
12 9
193847-001
R428
2
8
3 2.2
4 7
VR401
312828-002
5
DGND
6
GND_8 1_EN
11
GND_7 2_IN
GND_6 3_OUT
GND_5 4_ADJ/BYP
DGND
D402
193847-001
C422
VR402
0.1uF
312828-002
NoPop
GND_8 1_EN
C411
DGND
2.2uF
GND_7 2_IN
GND_6 3_OUT
DGND
R410
GND_5 4_ADJ/BYP
6.8
DGND
C412
0.0022uF
D403
193847-001
C427
R429
6.8
0.0022uF
C413 C414
47uF 47uF
DGND
3
1
DWG NO. SH
322292 4
+24V
R430
10.0K
R427
D405
DGND 10.0K
147239
+5V_DKSW
5
OUT2
6
OUT1
7
FB/NC
8
RESET
C429
ZR400
R417 C416
0.1uF
5.1V
130K 22uF
135247-5231
R418
Q407
146819
110K DGND R431
3.9K
NoPop
C430
39.2K
R432
DGND
1K
DGND
+5VA1 +5VA2 +5VA3
C409
+5VA
R423 R424 R425
4.7u DGND
0ohm 0ohm 0ohm
C431
0.1uF
R419 C417
1.27K 4.7uF
DGND
DGND
C432 R420
470pf 3.9K
DGND
+3_3VS
C433
R421 C418
0.1uF
121 4.7uF
DGND
R422
C434
210
470pf
NoPop
DGND
+1_2V VREF
R412 R413
C415
0.022uF 22.1k 42.2K
R411
330
POWER MANAGEMENT
2
1
D
C
B
A