Panasonic SA-BX500EB / SA-BX500EE / SA-BX500EG Service Manual ▷ View online
TO DSP
SECTION (4/6)
SECTION (4/6)
TO DSP
SECTION (6/6)
SECTION (6/6)
TO DSP
SECTION (2/6)
SECTION (2/6)
B
DSP CIRCUIT
SCHEMATIC DIAGRAM - 9
: MAIN SIGNAL LINE
: +B SIGNAL LINE
SA-BX500EB/EE/EG
DSP CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
: AUDIO SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
AD
P4
3
4
P1
P2
P2
P1
C3406
12P
C3405
18P
C3402
1
C3403
1
C3404
1
C3401
0.1
R3174
1
C3149
6.3V100
A15_2
A16_2
J0JGC0000020
LB3106
J0JGC0000020
LB3107
C3167
SDRAM
SDRAM
0.01
0.1
C3138
FLAG1_2
D6_2
D7_2
0.1
C3165
0.1
C3163
0.1
C3166
D23_2
D18_2
D19_2
D17_2
D22_2
D20_2
D21_2
FLAG1_2
A4_2
A17_2
A1_2
A3_2
A2_2
SDA10_2
0.1
C3143
0.1
C3161
A4_2
A3_2
D16_2
SDA10_2
A17_2
A2_2
A1_2
0.1
C3128
A5_2
A3_2
D0_2
D3_2
D1_2
D2_2
A2_2
A4_2
A18_2
A7_2
A8_2
A13_2
A10_2
A11_2
A9_2
A12_2
A14_2
A19_2
A6_2
0.1
C3132
D5_2
D4_2
DSP_RST_2
WR_2
SDRAS_2
MS0_2
SDWE_2
SDCAS_2
SDRAS_2
MS0_2
SDWE_2
SDCAS_2
R3427
33
MCLK_AD1
MCLK
C3429
10P
C3432 16V22
1
C3430
10P
C3427
J0JGC0000020
LB3406
C3428
10P
1
C3426
LB3407
J0JGC0000020
D5V
16V22
C3431
J0JGC0000020
LB3408
BCLK_AD1
ADOUT0
SPI_DI
SPI_DO
R3417
33
SPI_CLK
DIR_CS
DIR_RST
LRCLK_AD1
R3422
33
BCLK
SDATA
LRCLK
R3424
33
R3423
33
R3421
10K
R3426
33
R3425
33
LB3405
J0JHC0000048
J0JHC0000048
LB3404
R3419
33
R3418
33
J0JHC0000048
LB3403
R3420
33
RX5
D3.3V
D3.3V
D3.3V
4.7K
R3123
FLASH ROM
LB3101
J0JGC0000020
A0_2
A17_2
49
40 39
41
38
45
47 46
43 42
44
27 26
30 29
34 33
36
37
35
31
32
28
48
50
IC3103
C3ABMG000238
49
40 39
41
38
45
47 46
43 42
44
27 26
30 29
34 33
36
37
35
31
32
28
48
50
IC3104
C3ABMG000238
47
38
40 39
36
37
44
45
42 41
43
33 32
34
29
26 25
28 27
31 30
35
46
48
IC3102
RFKWFDE002AA
D1_2
C3162
0.1
D30_2
D26_2
D27_2
D25_2
D29_2
D28_2
A5_2
D31_2
C3164
0.1
A8_2
A10_2
A9_2
A7_2
SDCLK_2
SDCKE_2
A5_2
A6_2
D24_2
FLAG1_2
A1_2
D15_2
D0_2
SDCKE_2
SDCLK_2
A8_2
A9_2
A6_2
A7_2
A10_2
D9_2
D11_2
D14_2
D12_2
D13_2
D10_2
FLAG1_2
D8_2
C3131
0.1
C3136
0.1
D5_2
D6_2
D4_2
D7_2
C3120
0.1
D3_2
D2_2
C3433
10P
LB3409
J0JHC0000048
R3407
33
LB3401
J0JGC0000020
R3408
33
C3407
18P
X3402
H0J245500091
1M
R3403
3
1
2
4
5
C0JBAB000661
IC3402
C3408
18P
680
R3405
R3402
1M
3
1
2
4
5
C0JBAB000661
IC3401
R3406
33
SWITCH
R3404
820
B1GDCFJN0001
QR3401
X3401
H0J240500038
J0JGC0000020
LB3402
R3401
100
33
R3409
C3409
10P
C3410
1
J0JHC0000048
LB3410
7
8
5
4
3
2
1
6
IC3403
C0JBAR000434
CLK
D3.3V
C3420
16V22
18K
R3410
DIR_INT0
DIR_INT1
47
45
43
40
41
38
37
39
42
44
46
23
20
15
14
18
19
16
17
22
21
24
35
32
33
28
25
27 26
30
31
29
34
36
6
1
4
2
3
5
48
8
9
7
10
12
11
13
IC3404
C1BB00000692
R3416
470
470
R3415
47
R3412
470
R3413
RX0
DGND
470
R3411
470
R3414
F_SHIFT
C3416
0.47
C3414
100P
C3412
100P
C3411
100P
C3413
100P
C3415
0.1
RD_2
MS1_2
2
1
12
10 11
6
7
4
5
8
9
24
22
20
18
16
14 15
13
17
19
21
23
3
2
1
12
10 11
6
7
4
5
8
9
24 25
22
20
18
16
14 15
13
17
19
21
23
3
2
1
12
10 11
6
7
4
5
8
9
24 25
22
20
18
16
14 15
13
17
19
21
23
3
OE
A0
CE
A16
DQ6
VCC
DQ8
DQ9
DQ1
VSS
DQ0
DQ3
DQ2
DQ5
DQ4
VSS
DQ7
BYTE
DQ12
DQ13
DQ10
DQ11
DQ14
DQ15/A-1
A1
A8
A9
NC
NC
A3
A2
A6
A7
A4
A5
NC
NC
WE
A13
A14
A10
A17
A18
A12
A11
A15
RY/BY
RESET
A9
A6
A4
VSS
A5
A8
A7
NC
NC
CLK
VSS
DQ9
DQ8
CKE
VDDQ
UDQM
DQ13
DQ12
DQ14
DQ15
VSSQ
DQ10
VDDQ
DQ11
VSSQ
RAS
WE
DQ6
DQ7
DQ4
DQ5
DQ0
VDD
DQ2
DQ3
DQ1
CAS
A2
A0
A1
A3
CS
BA
VDD
A10
VDDQ
VSSQ
VSSQ
LDQM
VDDQ
A9
A6
A4
VSS
A5
A8
A7
NC
NC
CLK
VSS
DQ9
DQ8
CKE
VDDQ
UDQM
DQ13
DQ12
DQ14
DQ15
VSSQ
DQ10
VDDQ
DQ11
VSSQ
RAS
WE
DQ6
DQ7
DQ4
DQ5
DQ0
VDD
DQ2
DQ3
DQ1
CAS
A2
A0
A1
A3
CS
BA
VDD
A10
VDDQ
VSSQ
VSSQ
LDQM
VDDQ
RX0
AVSS
VCOM
RX4
NC(AVSS)
RX1
RX2
TEST1
TEST2
RX6
NC(AVSS)
RX5
[47] NC(AVSS)
[48] RX3
[48] RX3
NC(AVSS)
AVDD
CSN
INT0
CDTI
PDN
CDTO
CCLK
R
[37] INT1
DVDD
MCKO1
DVSS
[24] LRCK
[25] SDTO
[25] SDTO
XTL0
IIC
RX7
P/SN
[13] TVDD
[14] NC(DVSS)
[14] NC(DVSS)
TX1
BOUT
COUT
VIN
TX0
XTL1
VOUT
UOUT
BICK
XTI
DAUX
XTO
MCKO2
VCC
OUT_Y
ST
SEL
IN_B
OUT_Y
IN_A
VCC
INVERTER
2 CHANNEL MULTIPLEXER
DIGITAL AUDIO
TRANSCEIVER
INVERTER
IN_A
GND
NC
OUT
GND
NC
GND
IN_A
OUT_Y
VCC
RX4
RX3
RX2
RX1
22P
C3418
SA-BX500EB / SA-BX500EE / SA-BX500EG
93
TO DSP
SECTION (5/6)
SECTION (5/6)
TO DSP
SECTION (3/6)
SECTION (3/6)
B
DSP CIRCUIT
SCHEMATIC DIAGRAM - 10
: MAIN SIGNAL LINE
: +B SIGNAL LINE
SA-BX500EB/EE/EG
DSP CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
C
TO
MAIN(CPU)
CIRCUIT (CN8005)
IN SCHEMATIC
DIAGRAM - 15
MAIN(CPU)
CIRCUIT (CN8005)
IN SCHEMATIC
DIAGRAM - 15
: AUDIO SIGNAL LINE
I
J
L
M
N
P
O
K
42
41
40
39
38
37
36
35
34
33
32
31
30
29
P2
P1
P1
P2
BUS BUFFER
D/A CONVERTER
0.1
C3501
0.1
C3503
33
R3559
33
R3560
JTAG_TRST
JTAG_EMU
JTAG_TDO
33
R3557
33
R3556
33
R3558
JTAG_TMS
33
R3561
6
8
9
7
2
1
4
5
3
10
CN3006
D3.3V
R3551
4.7K
LB3551
J0JGC0000020
R3555
4.7K
0.1
C3551
JTAG_TCK
R3553
4.7K
JTAG_TDI
R3552
4.7K
R3554
4.7K
DSP1_TDI
DSP_EMU
DSP_TRST
DSP_TCK
DSP_TMS
DGND
2
1
19
15
6
17 16
4 5
11
10
8
7
13
14
9
12
3
18
20
IC3551
C0JBAZ002811
0.01
C3506
SBL
D3501
MA2J11100L
D3506
MA2J11100L
4.7
R3501
A5V
0
R3502
0
R3503
C3502
6.3V47
C3504
6.3V100
J0JBC0000041
LB3501
AGND
FL
FR
DSP2_TDO
SBR
DAC_SDI2
0
R3505
DAC_SDI3
0
R3506
SL
SR
C
DAC_DZF
DAC_MCLK
DAC_CS
SPI_DO
DAC_SDI1
SPI_CLK
DAC_RST
DGND
0.1
C3505
DAC_LRCLK
DAC_BCLK
DAC_SDI0
D5V
0
R3504
0
R3512
0.1
C3507
C3508
16V22
16V22
10K
R3509
R3507
10
0
R3508
SW
10K
R3511
J0JBC0000041
LB3502
0
R3510
13
14
12
9
10
11
4
1
7
8
6
5
2
3
17
19
21
23
26
25
29
28
30
27
24
22
20
18
15
16
C0FBBK000044
IC3501
PDN
VCOM
CSN
CCLK
ROUT1
LOUT1
BICK
SDT1
MCLK
DZFL
AVDD
DZF2
DZFR
DZF1
LRCK
AVSS
SDTI3
SDTI2
ROUT2
LOUT2
SDTI4
LOUT3
DVDD
DEM0
DVSS
DIF1
I2C
LOUT4
ROUT4
ROUT3
CDTI
P/S
1A2
1A3
2Y1
GND
2Y2
1A4
2Y3
2Y4
1OE
1A1
DGND
JTAG_TDI
JTAG_TDI
DGND
JTAG_EMU
DGND
JTAG_TDO
JTAG_TCK
DGND
JTAG_TMS
JTAG_TRST
2A2
1Y3
2A1
1Y4
1Y1
2A4
VCC
2OE
2A3
1Y2
1
10
R3902
0
SA-BX500EB / SA-BX500EE / SA-BX500EG
94
13.3. Main Circuit
P1
P1
AA
P2
C
MAIN(AUDIO) CIRCUIT
SCHEMATIC DIAGRAM - 11
TO MAIN(AUDIO)
SECTION (2/4)
SECTION (2/4)
TO MAIN(AUDIO)
SECTION (3/4)
SECTION (3/4)
SA-BX500EB/EE/EG
MAIN(AUDIO) CIRCUIT
1/4
2/4
3/4
4/4
SUBWOOFER OUT
(DVD RECORDER)
IN
(DVD RECORDER)
IN (BD/DVD PLAYER / ANALOG 8CH)
AUDIO
OUT
FRONT
SURROUND
SUBW.
CEN.
SURR. BACK
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
: IPOD AUDIO SIGNAL LINE
: AM/FM SIGNAL LINE
: MIC SIGNAL LINE
: AUDIO SIGNAL LINE
FOR EB/EG
FOR EB/EG
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16V47
C206
0.01
C205
RDS_CLK
RDS_RDY
10K
R204
1K
R203
330P
C204
R208
1K
16V47
C207
L202
J0JBC0000041
C201
47P
X201
H0H433400002
100K
R202
RDS_DATA
1K
R205
C209
16V10
C202
47P
R201
1K
R207
1K
100K
R206
470
R209
D+5V
0.01
C208
J0JBC0000041
L201
C203
560P
D201
MAZ803300L
7
5
6
4
3
1
2
10
12
14
15
16
13
11
8
9
C1AB00002751
IC201
VOUT_SR
50V4.7
C4062
VOUT_SL
C4153
25V10
R4154
47K
VOUT_FL
R4151
47K
C4154
25V10
50V4.7
C4061
VOUT_SBL
R4157
47K
C4156
25V10
VOUT_SW
R4153
47K
VOUT_SBR
C4157
25V10
R4158
47K
C4155
25V10
VOUT_C
R4156
47K
C4158
25V10
R4155
47K
C4052
50V4.7
C4051
50V4.7
R4051
47K
DVR_R
CD_L
VCR1_R
DVR_L
47K
R4062
47K
R4061
CD_R
R4052
47K
FVCR2_L
TUNER_R
TUNER_L
IPOD_R
FVCR2_R
TV_L
AUX_L
TV_R
IPOD_L
C4093
0.01
C4091
16V100
50V4.7
C4072
50V4.7
C4069
47K
R4072
47K
R4069
VIN_SBR
VIN_C
47K
R4087
47K
R4086
50V4.7
C4087
50V4.7
C4088
50V4.7
C4089
VIN_SBL
47K
R4088
47K
R4089
VIN_SR
VIN_SL
50V4.7
C4086
50V4.7
C4085
VIN_SW
47K
R4085
47K
R4084
47K
R4076
50V4.7
C4076
VIN_FR
SOUT_R
SOUT_L
50V4.7
C4084
50V4.7
C4082
50V4.7
C4083
47K
R4083
VIN_FL
47K
R4082
50V4.7
C4077
47K
R4077
47K
R4079
MIC_OUT
47K
R4080
R4081
47K
C4080
4.7
C4081
4.7
C4079
4.7
DGND
50V4.7
C4075
47K
R4075
50V4.7
C4078
47K
R4078
50V4.7
C4071
47K
R4071
47K
R4073
50V4.7
C4073
47K
R4074
50V4.7
C4074
STB_R
VCR1_L
STB_L
AUX_R
VOUT_FR
R4152
47K
C4152
25V10
C4151
25V10
50V4.7
C4065
50V4.7
C4066
47K
R4065
47K
R4066
C4094
0.01
VOL_CL
100P
C4096
VOL_DA
100P
C4095
16V100
C4092
50V4.7
C4067
47K
R4067
50V4.7
C4070
47K
R4070
50V4.7
C4068
47K
R4068
72
71
74
73
80
79
75
77
76
78
51
52
50
65
67
66
70
69
68
59
57
55
56
58
60
62
61
64
63
53
54
23
22
24
21
36
37
33
29
31
32
30
35
34
39
40
38
26
25
28
27
42
41
44
48
47
49
45
46
43
19
2
1
8
7
9
4
5
6
17
13
14
10
12
11
16
15
18
20
22P
C103
22P
C104
R101
1K
16V47
C107
4
2
1
3
5
C0DBZHG00047
VOLTAGE REGULATOR
RDS
IC101
TUN_SCL
TUN_SD
TUN_SDA
DCDET
D103
B0ACCK000005
R102
1K
TUN_ST
3
1
2
JK4007
2
3
1
6
5
4
JK4003
2
3
1
6
5
4
JK4002
2
3
1
6
5
4
JK4004
1K
R4047
1K
R4048
3
2
5
4
1
6
Q4001
B1GFGCAA0001
MUTING
DVD_SBR
R4008
1K
DVD_SBL
100P
C4016
R4007
1K
100P
C4015
100P
C4014
100P
C4013
100P
C4006
100P
C4005
DVD_SR
DVD_FL
DVD_FR
100P
C4008
100P
C4007
R4003
1K
R4004
1K
R4006
1K
DVD_SL
100P
C4012
R4005
1K
100P
C4011
100P
C4010
100P
C4009
1K
R4045
C4045
330P
R4010
1K
DVD_SW
100P
C4020
R4009
1K
DVD_C
100P
C4019
100P
C4018
100P
C4017
1
C106
SP_RELAY+11V
TUNER_R
TUNER_L
DVD_FL
DVD_FR
R4059
47K
C4057
4.7
R4058
47K
R4057
47K
C4055
4.7
C4058
4.7
R4056
47K
R4055
47K
C4056
4.7
R4060
47K
R4063
47K
C4059
4.7
C4060
4.7
DVD_SBR
R4054
47K
R4053
47K
C4053
50V4.7
C4054
50V4.7
DVD_SW
DVD_SR
DVD_SL
DVD_C
R4049
1K
DVD_SBL
R4050
1K
R4064
47K
C4063
16V10
C4064
16V10
DVR_L
DVR_R
100P
C4026
100P
C4021
100P
C4025
100P
C4022
100P
C4028
100P
C4023
100P
C4027
100P
C4024
R4014
1K
R4011
1K
R4013
1K
R4012
1K
AGND
SUBW_OUT
MIC_GND
FLOUT MODE
INR5
VSSa
VSSd
INL5
SBLIN1
CIN1
SBRIN1
AGND
AGND
INR3
IN1
AGND
IN2
IN1
IN2
SRIN1
SWIN1
SLIN1
SUB1R
SUB1L
ADCR
ADCL
AGND
AGND
AGND
FRIN1
FLIN1
INR4
CIN
TEST
INL4
INL3
CL
DA
AGND
AGND
R
L
R
L
R
L
VEE
OUTSBL
OUTSBR
OUTC
OUTSW
OUTSL
OUTSR
OUTFL
OUTFR
3
RDDA
RST
INL7
INL9
INR9
SBLIN2
AGND
SBRIN2
REC R
REC_R
REC_R
REC L
RECL2
RECR2
RECL3
RECR3
RECL4
RECR4
REC_L
REC_L
INR12
FRIN2
AGND
INL12
CIN2
SLIN2
SWIN2
FLIN2
SRIN2
INL10
INR11
INR10
INL11
R
L
R
L
NC
VIN
VOUT
VC
GND
NC
ENG07825QF
Z101
TUNER PACK
TUN_SD
AGND
+9V
FM_DET
FM_DET
FM_DET
TUN_ST
TUNER_L
TUNER_R
TUN_SCL
TUN_SDA
IC4001
C1AB00002951
7.1 CH SOUND PROCESSOR
IDR
RDCL
INR8
INL8
VCC
TRE1
TRE2
BNF1
BOUT1
BOUT2
BNF2
DGND
VDDa
VDDd
INR6
IN7
XOUT
VREF
INL6
XIN
MPXIN
10
8
9
4
5
6
1
3
2
7
A-7R5V
A+7R5V
CP: MAIN(CPU): SCHEMATIC DIAGRAM 15 - 18
AU: MAIN(AUDIO): SCHEMATIC DIAGRAM 11 - 14
MIC_GND
SA-BX500EB / SA-BX500EE / SA-BX500EG
95
P1
C
MAIN(AUDIO) CIRCUIT
SCHEMATIC DIAGRAM - 12
TO MAIN(AUDIO)
SECTION (1/4)
SECTION (1/4)
TO MAIN(AUDIO)
SECTION (4/4)
SECTION (4/4)
SA-BX500EB/EE/EG
MAIN(AUDIO) CIRCUIT
1/4
2/4
3/4
4/4
B
TO
DSP CIRCUIT
(CN3002)
IN SCHEMATIC
DIAGRAM - 7
DSP CIRCUIT
(CN3002)
IN SCHEMATIC
DIAGRAM - 7
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
: IPOD AUDIO SIGNAL LINE
: AM/FM SIGNAL LINE
: MIC SIGNAL LINE
: AUDIO SIGNAL LINE
FOR EB/EG
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
A-7R5V
TUN_ST
TUN_SD
TUN_SDA
VOL_CL
DCDET
VOL_DA
RDS_CLK
RDS_RDY
TUN_SCL
RDS_DATA
TUN_ST
TUN_SD
TUN_SDA
VOL_CL
DCDET
VOL_DA
RDS_CLK
RDS_RDY
TUN_SCL
RDS_DATA
AGND
DGND
C4199
16V100
C4200
16V100
D+5V
DSP_D+5V
SP_RELAY+11V
BK+3R3V
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
CP
DSP_A+5V
A+7R5V
SOUT_L
R4265
10K
SOUT_2CHL
R4263
10K
C4265
0.1
C4261
25V10
25V10
DSP_A+5V
R4261
100
D+5V
10K
R4264
R4266
10K
V+
3.9K
R4253
22P
C4250
10K
R4254
B0ACCK000005
D4251
B1GBCFJJ0007
QR4014
R4250
5.6K
LOWIMP
C4252
0.1
10K
R4256
Q69831
2SB0621AHA
A-VCC
330
R4257
C4254
10V33
4.7K
R4126
330P
C4132
330P
C4144
4.7K
R4136
330P
C4108
330P
C4120
4.7K
R4116
4.7K
R4106
C4251
0.1
1K
R4252
10K
R4251
4
3
2
1
5
IC4051
C0DBEKG00004
C4253
6.3V100
6
7
5
2
4
3
8
1
IC4050
C0ABBB000038
SOUT_2CHR
SOUT_R
6
7
5
2
4
3
8
1
C0ABBB000038
IC4261
SBL_IN
25V10
C4116
1K
R4112
16V10
C4104
1K
R4102
SBR_IN
25V10
C4140
1K
R4132
25V10
C4128
1K
R4122
R4113
47K
C4113
100P
100P
C4133
C4111
0.1
100P
C4109
C4123
0.1
R4103
47K
C4101
100P
100P
C4121
VIN_C
330P
C4107
VIN_FL
330P
C4119
4.7K
R4115
VIN_SL
4.7K
R4105
4.7K
R4107
1K
R4109
C4115
25V10
25V10
R4111
1K
1K
R4119
330P
C4117
4.7K
R4117
330P
C4105
C4103
16V10
R4101
1K
100P
C4145
FL_IN
R4133
47K
25V10
C4264
C4137
100P
C4147
0.1
R4123
47K
C4135
0.1
C4125
100P
R4121
1K
C4266 6.3V100
25V10
C4262
100
R4262
4.7K
R4135
C4139
25V10
25V10
25V10
C4263
AGND
V+
V-
V+
V-
R4131
1K
330P
C4143
VIN_SBL
4.7K
R4137
330P
C4141
1K
R4139
330P
C4131
4.7K
R4125
1K
R4129
330P
C4129
4.7K
R4127
C4127
25V10
25V10
C4112
0.1
100P
C4110
VIN_FR
C4124
0.1
R4104
47K
C4102
100P
6
7
5
2
4
3
8
1
C0ABBB000125
IC4005
100P
C4122
VIN_SR
C_IN
SR_IN
SW_IN
FR_IN
C4148
0.1
100P
C4146
SL_IN
C4138
100P
R4134
47K
6
7
5
2
4
3
8
V+
V-
1
R4124
47K
6
7
5
2
4
3
8
1
C4126
100P
VIN_SBR
6
7
5
9
14
11
10
13
12
17
18
15
16
8
1
3
4
2
20
19
PB3002
100P
C4134
R4114
47K
6
7
5
2
4
3
8
1
C4114
100P
VIN_SW
C4136
0.1
FR_IN
4.7K
R4108
1K
R4120
FL_IN
330P
C4106
1K
R4110
330P
C4142
SBR_IN
SBL_IN
4.7K
R4128
SW_IN
330P
C4130
330P
C4118
4.7K
R4118
SR_IN
1K
R4130
1K
R4140
C_IN
SL_IN
4.7K
R4138
DGND
OP-AMP (FRONT IN)
C0ABBB000125
IC4006
OP-AMP (SURROUND IN)
C0ABBB000125
IC4007
OP-AMP (SUBWOOFER/
CENTER IN)
OP-AMP (SURROUND OUT 2CH)
LOW DROP OUT REGULATOR
OP-AMP (BUFFER)
POWER SUPPLY
ADJUST CONTROL
C0ABBB000125
IC4008
OP-AMP (SURROUND
BACK IN)
SP_RELAY+11V
AGND
AGND
AGND
AGND
AGND
C_IN
FR_IN
FL_IN
SW_IN
SBL_IN
SBR_IN
SL_IN
SR_IN
D+5V
A+5V
D+5V
DGND
DGND
AGND
AGND
2CHR_OUT
2CHL_OUT
MIC_OUT
AGND
ADJ
GND
VOUT
VC
VIN
+7.5
-7.5
V+
V-
V+
V-
V+
V-
BK+3R3V
A-7R5V
A-7R5V
A+7R5V
A+7R5V
CP: MAIN(CPU): SCHEMATIC DIAGRAM 15 - 18
AU: MAIN(AUDIO): SCHEMATIC DIAGRAM 11 - 14
1
20
SA-BX500EB / SA-BX500EE / SA-BX500EG
96
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