BOSE SD187923 1 06 Schematic
C
B
A
G1
REMOTE
ZONE 1
COM.
8
TP1
Z
C100
680pF
G1
R102
1.0K
G1
M92
R110
1.0K
C110
OPT
TP8
Z
G1
OPTION CARD 1
CONNECT
MMBT3904
Z
TP45
TP2
C116
680pF
C248
OPT
R220
OPT
Q221
OPT
C220
OPT
G4
C103
680pF
TP5
G1
1.54K
Z
R117
9.09K
R201
10.0K
R203
M35
M34
Z
R101
9.09K
R103
9.09K
M91
C111
680pF
R223
R111
9.09K
J2
OPT
C104
47pF
C107
47pF
TP7
C117
47pF
Z
OPT
R100
1
2
3
4
5
1
2
SG103
R245
100
R246
100
G4
TP44 Z
M89
R222
OPT
1.0K
C101
OPT
C102
OPT
M93
R116
1.0K
C115
OPT
SG201 SG200
C197
1000pF
SG202
R221
OPT
-12V
SG100
SG101
M90
J1
+
CH1
-
GND
+
CH2
-
SG102
G1
C250
1000pF
G4
J4
C256
22/50
R200
15.8K
R202
R235
R104
10.0K
1
2
3
4
5
6
7
8
TP42Z
100
M36
100
C114
47pF
D205
OPT
TP3Z
TP4Z
Z
-12V
-12V
C105
47pF
R105
+12V
2
U100
3
-12V
C112
47pF
R112
10.0K
TP6
6
U101
5
R118
10.0K
M114
M119
D204
MMBD914
Q201
MMBT3904
C200
OPT
G4
8
NJM4559
4
4
NJM2059
11
+12V
+12V
C249
G4
10.0K
C106
0.1
C108
0.1
1
0.1
7
M115
M118
1
2
3
4
5
2
TS2
F
R121
OPT
M33
TP43Z
2
GAZOO
CONNECT
J12
LEVELER2
C257
OPT
TS1
F
R106
100
M2
CH.2 TRIM
R182
OPT
R120
OPT
LEVELER1
+20V
M1
1
R115
100
R183
OPT
TP105
7
Ch.1 Trim
3
R1
20K
1
S1
OPT
R113
0
R2
20K
M116
M117
M32
Z
M3
2
3
2
1
R184
OPT
R185
OPT
C181
OPT
C120
OPT
TP48
R412
OPT
D402
9.1V/225mW
OPT
TP9
Z
+12V
C198
0.1
8
2
1
U106
3
NJM4559
4
R193
C199
1K
0.1
-12V
4
MONO
DUAL
3
MONO
2
2-CH
MIXER
S7
OPT
2-CH
TP10Z
8
6
M4
Z
U106
5
R406
OPT
Q402
MMBT3904
OPT
-12V
NJM4559
4
TP47
TP49
Z
Z
7
C182
OPT
Q400
MMBT3904
OPT
-12V
9.1V/225mW
R411
OPT
R194
1K
TP46
R410
D401
R130
0
C191 OPT
C192
R131
OPT
OPT
R132
OPT
M5
C193 OPT
R141
OPT
M6
TP11
Z
J3
C184
C183
OPT
OPT
G2
M212
Z
OPT
OPT
R405
OPT
OPTION CARD 2
D400
OPT
R404
OPT
C404
OPT
R407
OPT
Q403
3
C406
OPT
CONNECT
2
1
6543 1
EQ CARD 1
J9
12111098765432
M129
9
M16
-12V
Zone 2 Trim
+12V
M128
LINEOUT 1 AUDIO PATH
C180
OPT
R181
0
+12V
C113
0.1
4
2
U101
3
NJM2059
11
C118
0.1
-12V
3
R3
OPT
2
1
F
DYNEQ1 AUDIO PATH
TS7
F
1
M17
M18
0
TS9
F
1 REMOTE
TS10
2 REMOTES
REMOTE ZONE
ASSIGN SWITCH
DYNEQ2 AUDIO PATH
LINEOUT 2 AUDIO PATH
R192
R238
OPT
R205
OPT
R204
30.1K
C219
OPT
TP19 Z
R239
OPT
4
5
U203
NJM4559
6
8
+12V
8
2
U203
3
4
-12V
S5
OPT
M139
7
C251
0.1
1
NJM4559
C252
0.1
MMBD914
M19
MMBD914
D202
MMBD914
TP34 Z
R236
OPT
D200
D201
M20
D203
MMBD914
OPT
OPT
R212
OPT
TP26
TP27 Z
TP28
TP29
TP24Z
R216
47.5K
TP25 Z
Z
R215
47.5K
R211
OPT
Z
Z
R210
OPT
C255
R237
13
U101
12
OPT
R218
OPT
TP30 Z
0
4
11
14
SPARE
NJM2059
R219
0
+12V
C217
0.1
4
2
1
U200
3
NJM2059
11
C216
0.1
-12V
C214
100pF
R217
10.0K
4
6
7
U200
5
NJM2059
11
C212
OPT
R214
0
4
9
8
U200
10
NJM2059
11
C210
OPT
R213
0
M24
4
13
14
U200
12
NJM2059
11
TP20 Z
M21
M22
M23
C211
1/50V
499
C215
1/50V
C218
1/50V
C213
1/50V
R206
C202
560pF
M126
M127
M13
5
6
M12
4
NJM2059
9
8
U101
10
11
M86
R190
0
121110
M15
TP18 Z
U100
4
8
R180
7
OPT
NJM4559
M14
DUAL
MONO
TS8
F
8
7
2-CH MONO
S1
R191
OPT
OPT
10
M130
987654321
J10
OPT
EQ CARD 2
Service Manual P/N: 194101 Rev. 00
J107
OPT
R142
OPT
C194
OPT
M120
OPT
+12V
1
2
3
4
5
6
7
8
2
3
7
6
-12V
R133
0
M122
Q401
M29
3
+INA
-INA
+INB
-INB
R186
C130
OPT
2
3
7
6
-12V
OPT
M121
8
+12V
-12V
VCC
OUT
VEE
4
NJM2120
C131
OPT
+INA
-INA
+INB
-INB
8
2
J107
1
U102
OPT
SW
VCC
VEE
4
OPT
C140
TS3
F
5
1
OPT
U103
OPT
TS4
F
5
OUT
1
SW
NJM2120
C141
OPT
M9
R187
R188
OPT
OPT
M123
M125
+12V
LINE OUTPUTS
G4
R409
M213
OPT
R189
OPT
C185
R150
1.54K
C150
10/35V
TP12 Z
M7
C186
OPT
OPT
R400
OPT
R401
OPT
C401
OPT
R402
OPT
R403
C405
OPT
R408
OPT
C189
C190
R154
OPT
R152
100K
R153
100K
M8
R160
OPT
Z
TP16
C187
OPT
G4
OPT
C407
OPT
G4
OPT
C188
C402
OPT
C403
OPT
TP15 Z
OPT
M94
M96
G3
C400
C195
C196
SG401
C152
TP14Z
OPT
OPT
R161
OPT
1.54K
10/35V
M124
R151
14.0K
+12V
C151
0.1
U104
8
VCC
2
+INA
3
OPT
+12V
2
3
7
6
-12V
TP17Z
+12V
SG400
M31
M30
M95
-INA
7
+INB
6
-INB
VEE
4
-12V
C160 OPT
R162
OPT
8
VCC
+INA
-INA
OUT
+INB
-INB
VEE
4
R163
OPT
C163
OPT
R170
OPT
R171
47.5K
Line Outputs
J5
1
2
3
4
5
OPT
SW
TP13Z
OUT
SW
C161
CH.1
GND
CH.2
OPT
C162
5
1
NJM2120
C153
0.1
R155
14.0K
U105
OPT
5
1
NJM2120
OPT
1
TS5
+12V
F
-12V
M11
R126
100K
TS6
F
R164
OPT
M10
C170
4.7/35V
NOTES:
UNLESS OTHERWISE SPECIFIED:
1) ALL RESISTORS ARE EXPRESSED IN OHMS AND ARE 1/10W.
2) ALL CAPACATORS ARE EXPRESSED IN MICROFARADS.
3) ALL NON-POLARIZED CAPACITORS ARE CERAMIC 0805 TYPE CHIPS.
4) ALL POLARIZED CAPACITORS ARE ELECTROLYTICS.
5) J409 IS USED ON THE 240V VERSION.
J410 IS NOT USED ON THE 240V VERSION
J410 IS USED ON THE 120V VERSION.
J409 IS NOT USED ON THE 120V VERSION
6) ALL TP*** DESIGNATORS FOUND ON THIS
DOCUMENT REFER TO BOSE IN-CIRCUIT TESTING NODES.
7) F DENOTES COMPONENT SIDE TEST POINT FOR REPAIR PURPOSES
8) ALL M*** DESIGNATORS FOUND ON THIS
DOCUMENT REFER TO BOSE FUNCTIONAL TESTING NODES.
DENOTES CRITICAL SAFTY CONTROLLED COMPONENTS.
!
REPLACE ONLY WITH IDENTICAL BOSE PARTS.
F600: P/N 177311-04000 (4.0A - 120V VARIATION)
P/N 177311-03150 (3.15A - 230V VARIATION)
F601,F602: P/N 177311-04000
VR600: P/N 170189
J600: P/N 143963
J601: P/N 178742-5
J602: P/N 133220-05
B600,B601: P/N 170214
R602,R603: P/N 180956-5R1E
S6: P/N 187480
C1,C2: P/N 170183
C600,C601:
K600: P/N 191928
TP22 Z
R207
499
C201
560pF
TP21
R230
2
2
2
CLIP/SC2
R
DYNEQ1
DYNEQ2
DD
C
B
A
2
EQGND
CLIP/SC1
LINEOUT1
LINEOUT2
2
TS11
F
M25
M27
TS12
F
M26
TS13
F
M28
TS14
F
2
C242
OPT
R241
0
+12V
C240
Z
C253
Z
3
2
6
7
11
10
14
15
0.1
TP32Z
U204
SSM2164
VCA1
VCA2
VCA3
VCA4
98161
-12V
TP31Z
+12V
TP35Z
TP37 Z
+VGND-V
R233
499
C231
560pF
R232
499
C230
560pF
MODE
R234
6.19K
C254
0.1
TP33Z
TP36Z
4
5
12
13
TP38
Z
TP41 Z
TP23
R231
OPT
OPT
AmPlus 50 Amplifier
0.1
8
2
1
U202
3
NJM4559
4
C241
0.1
-12V
C243
100pF
R242
TP39
30.1K
Z
8
6
7
U202
5
NJM4559
4
C246
OPT
R243
0
TP40Z
8
6
7
U201
5
NJM4559
4
C247
OPT
R244
0
+12V
C244
0.1
8
2
1
U201
3
NJM4559
4
C245
0.1
-12V
FRAMINGHAM, MA 01701-9168
TM
PCB 187923-001, 2
Rev. 5 Sheet 1 of 3
2345678
1
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