Bose SoundDock 10 Service Manual page 53

8
7
AMP_STANDBY
AMP_MUTE
FAULT_AMPA
D C336 C337
100pF 100pF
Q300
GND
2SC4146
192603
GND
RINN
RINP
LINP
C
LINN
R300
PA_SYNCH_CLK
100
RT300
10K
TEMP_MON
NoPop
GND
PLACE AS CLOSE AS POSSIBLE TO U300
B
+24V
C300 C301 C303
C302
1.0uF 1.0uF 1.0uF 1.0uF
FAIL OPEN FAIL OPEN FAIL OPEN
FAIL OPEN
GND
A
LEGEND
DIGITAL AUDIO PATH
ANALOG AUDIO PATH
ON VOLTAGES
OFF VOLTAGES
8 7
6
R302
10.0K
R303
100
R301
1.00K
C310
MUTE
220nF C312
+24V
C307 220nF
1.0uF
GND
FAIL OPEN
C305
1_GND GND_36
220pF
2_RINN PVCCR_35
3_RINP PVCCR_34
U300
4_AGND 298092-001 PGNDR_33
5_LINP PGNDR_32
6_LINN VCLAMPR_31
C306
220pF 7_GAIN0 VCLAMPL_30
8_GAIN0 PGNDL_29
GND
9_GAIN1
10_MASTER_SLAVE PVCCL_27
11_SYNC PVCCL_26
THERMAL_GND_PAD
12_GND GND_25
C304
100pF
AGND&PGND_49
GND
GND
GND
C313
C311
220nF
R304
220nF
100K
C308
0.01uF
C309
1.0uF
GND
85
84
83
82
81
80
79
U300
78
77
298092-001
76
75
74
73
72
71
70
GND_SLUG_CONN
69
68
67
66
65
64
63
62
61
60
59
51 53 55 57
50 52 54 56 58
GND
6
5 4
GND
+24V
C338
68pF
C314
1.0uF
FAIL OPEN
C315
1.0uF
FAIL OPEN
C316
1.0uF
PGNDL_28
FAIL OPEN
C317
1.0uF
FAIL OPEN
C339
GND
68pF
GND
ROUTN ROUTP
LOUTN LOUTP
R308
BOUTN BOUTP
221K
R307
R306
221K
221K
DCF_AMP2 DCF_AMP1
C318
R305
1uF
10.0K
GND
4
5
3
CLASS DWG NO.
SD
314442-160
L300A
160nH/N^2
160nH/N2
C319
470pf
R309
10.0 NoPop
C328
C326
1.0uF
GND
1.0uF
FAIL OPEN
FAIL OPEN
GND
C329
1.0uF
FAIL OPEN
GND
C320
470pf
R310
10.0
GND
314442-160
L301A
160nH/N2
160nH/N^2
C321
470pf
NoPop
C330
R311
C327
1.0uF
10.0
1.0uF
FAIL OPEN
FAIL OPEN
GND
GND
C331
1.0uF
FAIL OPEN
C322
GND
470pf
R312
10.0
GND
R314 R315 R316
221K 221K 221K
C323
R313
1uF
10.0K
GND
3
1
SH
322642 3
ROUTP
ROUTN
C332 C334
0.1uF
0.1uF
FAIL OPEN FAIL OPEN
R317
33
GND
LOUTN
LOUTP
C335
C333
0.1uF 0.1uF
FAIL OPEN FAIL OPEN
R318
33
GND
R
FRAMINGHAM, MA 01701-9168
SoundDock 10 DIGITAL MUSIC
SYSTEM, PCB, SPS
PCB P/N: 322642
Sheet 3 of 6
2
1
D
C
B
A