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SA-BX500EB / SA-BX500EE / SA-BX500EG
SCHEMATIC DIAGRAM - 14
C
MAIN(AUDIO) CIRCUIT
P1
TO MAIN(AUDIO)
SECTION (3/4)
P2
V+
AGND
1
SUBW_OUT
P3
VOUT_FL
A-7R5V
VOUT_C
A-7R5V
A+7R5V
VOUT_SW
VOUT_FR
2
15
16
17
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
R4191
C4185
1.5K
330P
R4189
R4193
C4187
R4197
1K
4.7K
25V10
3.9K
4
3
2
1
V-
IC4011
C0ABBB000125
OP-AMP (CENTER OUT)
V+
5
6
7
8
B1GFGCAA0001
4
3
2
1
V-
IC4014
C0ABBB000125
OP-AMP (SUBWOOFER
OUT/CENTER BUFFER)
V+
5
6
7
8
R4190
R4194
C4188
25V10
R4198
1K
1K
4.7K
R4192
C4186
820
330P
18
19
20
: IPOD AUDIO SIGNAL LINE
: AM/FM SIGNAL LINE
: MIC SIGNAL LINE
R4203
C4193
1.5K
330P
C4195
R4209
R4205
25V10
3.9K
4.7K
R4201
1K
A-VCC
3
4
4
3
2
1
V-
IC4012
2
5
C0ABBB000125
OP-AMP (SURROUND
1
6
BACK OUT)
V+
Q4011
5
6
7
8
MUTING
R4202
R4206
C4196
R4210
4.7K
3.9K
1K
25V10
R4204
C4194
1.5K
330P
3
4
4
3
2
5
V-
1
6
Q4014
B1GFGCAA0001
5
6
MUTING
21
22
23
98
: AUDIO SIGNAL LINE
TO MAIN(AUDIO)
SECTION (2/4)
DAMP_FL
DAMP_FR
DAMP_SL
DAMP_SR
DAMP_C
DAMP_SBL
DAMP_SBR
VOUT_FL.BUF
3
4
VOUT_FR.BUF
VOUT_C.BUF
2
5
VOUT_SL
VOUT_SR
1
6
VOUT_SBL
VOUT_SBR
Q4012
B1GFGCAA0001
MUTING
AU: MAIN(AUDIO): SCHEMATIC DIAGRAM 11 - 14
2
1
CP: MAIN(CPU): SCHEMATIC DIAGRAM 15 - 18
IC4015
C0ABBB000125
OP-AMP (WIRELESS
FRONT BUFFER)
V+
7
8
1/4
2/4
3/4
4/4
SA-BX500EB/EE/EG
MAIN(AUDIO) CIRCUIT
24
25
26
I
J
LOWIMP
CP
DAMP_FL
CP
DAMP_FR
CP
DAMP_SL
CP
DAMP_SR
CP
DAMP_C
CP
DAMP_SBL
CP
K
DAMP_SBR
CP
VOUT_FL.BUF
CP
VOUT_FR.BUF
CP
VOUT_C.BUF
CP
VOUT_SL
CP
VOUT_SR
CP
VOUT_SBL
CP
VOUT_SBR
CP
L
M
N
O
P
27
28
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