DOWNLOAD Panasonic SA-BT205EE / SC-BT205EE Service Manual ↓ Size: 1.8 MB | Pages: 31 in PDF or view online for FREE

Model
SA-BT205EE SC-BT205EE
Pages
31
Size
1.8 MB
Type
PDF
Document
Simplified Service Manual
Brand
Device
Audio / BLU-RAY DISC HOME THEATER SOUND SYSTEM
File
sa-bt205ee-sc-bt205ee.pdf
Date
PREV: Panasonic SA-BT205EB9 / SA-BT205EG9 / SA-BT205EP9 / SA-BT205EE9 / SA-BT205EB / SA-BT205EG / SA-BT205EP / SA-BT205EE / SC-BT205EE9K Service Manual / Supplement

Panasonic SA-BT205EE / SC-BT205EE Simplified Service Manual ▷ View online

17
P1
P1
 SA-BT205EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (1/8)
TO MAIN
SECTION (6/8)
TO MAIN
SECTION (3/8)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 24
A
TO
DIGITAL(DIGITAL NET)
CIRCUIT (P58000) 
IN SCHEMATIC
DIAGRAM - 20
1
28
FOR DEBUG
: -B SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod VIDEO INPUT SIGNAL LINE
15
16
17
18
1920
21
22
23
24
25
26
27
28
0
R242
DGND
GND
2
7
8
5
4
3
6
RFKWMBT205EE
IC105
EEPROM
I2CSCL
I2CSDA
C129
0.1
CPRST
R1469
33
0.1
C1451
R1466
0
R1467
0
R1470
0
2
1
3
IC104
C0CBABC00117
OCD_SCL
C515
0.1
OCD_SDA
2
4
3
1
6
5
CN101
DGND
3
1
2
4
5
C0EBE0000242
IC102
D5R3V
C127
1
C128
1
R182
1K
C131
6.3V1000
C130
6.3V1000
47K
R239
47K
R240
MRST
R1471
0
SYS3R3V
2
1
20 19
15
14
17 16
18
6 7
4
3
5
12
13
10
11
8 9
IC1451
MICRO CONTROLLER
MFI341S2161
VSS
VREF3.3V
VREF3.3V
OCD_SDA
OCD_SCL
MICONRST
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
A1(NC)
A0(NC)
A2
GND
SCL
SDA
SUB
GND
VOUT
VOUT
VIN
GND
RESET
VOLTAGE REGULATOR
VCC
M/R
WP
VCC
RST#
NC
MODE1
VCC
VSS
I2C_SDA
I2C_SCL
MODE0
1
RECOUT_L
RECOUT_R
1
C2210
BD_SW
BD_FR
BD_FL
BD_C
BP1DMIXR
5.6K
R2202
1
C2110
1
C2615
1
C2111
1
C2600
8.2K
R2300
8.2K
R2400
1
C2400
0.022
C2101
0.022
C2201
3900P
C2351
1
C2500
6.8K
R2500
BD_SR
5.6K
R2102
BP1DMIXL
33K
R2600
4.7K
R2200
4700P
C2131
4700P
C2231
4.7K
R2100
4700P
C2551
BD_SL
3900P
C2451
C2300
1
AGND
VGND
iPod_SEL
A+7V
BP1_AMUTE
A-7V
iPod_VOUT
DMIX_OUT_SEL
K2401
0
K2301
0
R901
0
1
C2211
BP1_ZFLAG
A5V
680
R2906
680
R2905
SD_L
JC_P_ON_H
V_OUT_MUTE
6
7
5
9
24
23
25
17
16
19
18
12
14
13
10
11
15
21
22
20
26
8
1
3
4
2
28
27
CN506
AGND
AGND
AGND
AIN_L
A5V
AIN_R
SD_L
JC_P_ON_H
DIGI_ZFLAG
V_OUT_MUTE
SL
FL
FR
SW
SR
SBL
CNT
AGND
AGND
VGND
AGND
iPod_SEL
iPod_VOUT
AUDIO-7V
AUDIO+7V
BP1_AMUTE
DMIX_OUT_SEL
SBR
OPTIN_SEL
R170
100
EXTIOSTB
BP_STAT
PW_GOOD
TUST
R103
100
BP1_ZFLAG
SCLK
R171
100
C117
0.1
EXTIODO
iPodDI
100
R129
R3000
0
100
R126
100
R127
100
R123
SPIDO
100
R122
R125
100
R124
100
100
R128
10K
R190
R192
10K
SPICLK
iPodDO
R191
10K
iPod_DET
EXTIOCL
R194
10K
R193
10K
XINTM
R1691K
R166
100
100
R167
R165
100
XBPRST
HDMI_CONT
iPodVDET
SD_BOOT
XINTM_OUT
KEY1
MIC_OUT
100
R195
R168
100
R174
100
SBPTM
XINTP_OUT
SBMTP
R176
100
R175
100
R172
100
R173
100
R223
15K
R218
22K
WM_SM1
ETH_TXER
FLCS
R144
100
DGND
R141
100
R143
100
R142
100
R148
100
R147
100
JC_P_ON_H
ETH_WAKE
R150
100
R149100
R146
100
WS_ON_H
R178
100
R179100
R181
100
R180
100
R177
100
0.1
C119
BP1_AMUTE
CPRST
R135
100
100K
R219
R227
220K
C111
0.1
MIC_MUTE
R101
100
PCONT
iPodVC
iPodCHG
100
R138
R139100
R140
100
R102
100
SYNC
JOGA
R160
100
DCDET
100
R161
100K
R226
JOGB
WMSSB
MIC_DET
R157
100
220K
R228
100K
R225
R152
100
R153
100
R151
100
WMDET
ASP_CLK
AMPDCDET
ASP_DATA
R155
100
R156
100
R154
100
R159100
C108
100P
C136
1
C109100P
D3R3V
C105
4700P
100
R162
C110
4700P
R117
0
R114
100
R112
100
100
R111
R113
100
R116
10K
R115
100
R261
100
MRST
0.1
C501
10
C502
KEY1
SYS3R3V
WMDO
WMCL
WMDI
R108
100
OCD_SCL
OCD_SDA
HPDET
R107
100
XMPREQ
R110
100
R100
220
R109
100
HDMI_MONI
C104
4700P
6.3V100
C100
REMOCON
C101
47P
R137
100
100
R118
R119100
10K
R222
10K
R221
C115
4700P
C113
4700P
C112
4700P
D3R3V
100
R164
100
R163
KEY2
C114
0.1
R246
56
R104
100
R106
100
R105
100
R247
56
R3003
100
4.7K
R185
R186
4.7K
15K
R224
0
R189
10K
R188
I2CSDA
I2CSCL
TUSD
CLIPDET
OPE_SBO
OPE_SBI
7977 76
78
49
47 48
50
74
71
72
67
68
56
55
58
57
52
51
54
53
65
66
61
62
59
60
64
63
70
69
73
75
10
8
7
9
12
11
99
100
9 5 9 4
96
9
7
9
0
9
1
89
9 3 9 2
98
4
6
5
2
1
3
81
82
80
86
87
88
84 83
85
45
19
17
15
14
16
18
43
23
21
20
22
41
24
39
37
33
35
34
2930
27
26
28
32
31
36
38
25
40
42
44
13
46
RFKWMBT205EE
IC100
22P
C530
C531
22P
3
1
2
X100
H2B100500004
iPodDI
VDD18
EXTIODO
iPodDO
XINTM
PW_GOOD
VDD5
EXTIOSTB
VSS
HDMI_CONT
KACLK
VSS
TUST
BP1_ZFLAG
OPTIN_SEL
PKS_STAT
WMDI
LON
VSS
VREF3.3V
XO
XI
NRST
KEY2
KEY1
OSC0
OSCI
HPDET
TUSD
XMPREQ
MMOD
OCD_SDA
OCD_SCL
I2CSCL
VDD18
VDD33
WMDO
WMCL
OCDMOD
[27] HDMI_MONI
MIC_IN
XINTM_OUT
SD_BOOT
[2] OPE_SBI
XPKRST
iPodVDET
[1] OPE_SBO
I2CSDA
[3] CLIPDET
EXTIOCL
KEY_INT
SPIDO
[26] REMOCON
iPodDET
VPP
SPIDI
SPICLK
BP1_AMUTE
[77] ETH_TXER
MICRO PROCESSOR
DAZFLAG
CPRST
WS_ON_H
[76] WM_SM1
[49] iPodCHG
DIRSTAT1
KACS
SBPTM
XINTP_OUT
SCLK
SBMTP
EVDATA
EVCLK
[50] PCONT
ASP_DATA
VDD33
JOGB
JOGA
KASEL
WMDET
WMSSB
AMPDCDET
MIC_DET
RDCL
RDRDY
VDD18
VSS
SB_CNT
ASP_CLK
FLCS
RDDA
AMPATT
HBASS_ON
SB_VOL_DATA
ETH_WAKE
JC_P_ON_H
SB_VOL_CLK
MIC_MUTE
DCDET
SYNC
iPodVC
18
P1
P1
P1
 SA-BT205EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (2/8)
TO MAIN
SECTION (7/8)
TO MAIN
SECTION (4/8)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 25
F
TO
SETUP MIC
CIRCUIT (CN6501) 
IN SCHEMATIC
DIAGRAM - 32
D
TO
PANEL CIRCUIT
(P6001)
IN SCHEMATIC
DIAGRAM - 31
I
TO
WIRELESS ADAPTER
CIRCUIT (CN6301) 
IN SCHEMATIC
DIAGRAM - 33
19
1
H
TO
iPod CIRCUIT
(CN1002)
IN SCHEMATIC
DIAGRAM - 33
: -B SIGNAL LINE
: +B SIGNAL LINE
: AM/FM SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod VIDEO INPUT SIGNAL LINE
2930
31
32
33
34
35
36
37
38
3940
41
42
470
R210
MUTING CONTROL
10K
R207
B1ADCE000012
Q101
47K
R208
R212
22K
R206
22K
A-7V
AGND
R211
18K
0
R230
0
R232
1.8K
R213
47K
R214
WL_MUTE_GND
SL_WLOUT
SR_WLOUT
R209
1.8K
3
2
5
4
1
6
MUTING
B1GFGCAA0001
Q102
WMUTE
D3R3V
C122
4.7
D12V
FLCS
JOGB
J0JBC0000014
LB825
J0JBC0000014
LB824
J0JBC0000014
LB809SYS3R3V
DGND
SPICLK
SPIDO
J0JBC0000014
LB808
REMOCON
J0JBC0000014
LB810
J0JBC0000014
LB811
J0JBC0000014
LB813
J0JBC0000014
LB827
LB803
J0JBC0000014
J0JBC0000014
LB814
J0JBC0000014
LB815
J0JBC0000014
LB801
HPOUTL
KEY2
HPDET
KEY1
HPOUTR
AGND
J0JBC0000014
LB812
R844
3.3
J0JBC0000014
LB826
J0JBC0000014
LB802
JOGA
FL-
FL+
GND
J0JBC0000041
LB804
WMSSB
WM_SM1
-VP
J0JBC0000041
LB805
SL_WLOUT
1.8K
R235
1.8K
R236
1.8K
R237
1.8K
R238
R839
2.7K
C848
1
R840
2.7K
C849
1
WL_MUTE_GND
WL_D5V
C845
6.3V1000
GND
SR_WLOUT
WMDET
WMDO
WMCL
WMDI
18
16
14
8
9
11
12
10
2
3
1
5
7
6
4
13
15
17
19
CN802
J0JBC0000014
LB822
J0JBC0000014
LB807
J0JBC0000014
LB823
6
7
5
9
14
11
10
13
12
17
18
15
16
8
1
3
4
2
20
19
CN806
J0JBC0000014
LB832
DGND
J0JBC0000041
LB820
MIC_DET
J0JBC0000014
LB817
AGND
MIC_OUT
MIC_MUTE
J0JBC0000014
LB819
A+7V
A-7V
J0JBC0000014
LB821
J0JBC0000014
LB818
4
5
1
3
2
7
7
20
1
1
6
CN501
J0JBC0000014
LB831
DGND
FL+
FL-
AGND
-VP
KEY2
KEY1
JOGB
JOGA
A+7V
A-7V
MIC_DET
INT
SDI
SCL
SDO
SSB
SM1
SM0
WM_DET
+5V
AGND
AGND
AGND
AGND
PGND
AGND
D12V
FLDA
DGND
FLCLK
D3R3V
FLCS
SYS3.3V
HP_OUTR
HP_SW
HP_OUTL
HP_GND
MIC_MUTE
MIC_OUT
CH1_R_OUT
CH2_L_OUT
CH1_L_OUT
REMOTE
FL_GND
CH2_R_OUT
100
R1112 C1103
10
R1117
10K
R1120
10K
R1116
10K
R1121
10K
100P
C1114 C1116
33P
C1119
470P
C1120
470P
A-7V
iPodR
R1106
4.7K
R1110
100K
LB1106
0
LB1105
0
LB1103
0
LB11090
R1111
75
10
C1104
100
R1113
R1107
47K
4.7K
R1109
47K
R1108
C1109
0.1
R1102
270K
560K
R1104
R1125
100
R1124
100
B1ABCF000176
POWER DETECT
Q1101
iPodVDET
100K
R1105
R1103
220K
10K
R1114
R1115
10K
R1118
10K
10
C532
C1113
100P
10K
R1119
J0JYC0000070
LB1101
C533
10
C1108
10
330K
R1101
R1127
0
C1122
0.01
R1128
0
LB1108
J0JBC0000014
B1GBCFJJ0051
QR1101
B1GBCFJJ0051
QR1102
0
LB1102
0
LB1107
8
9
11
12
10
2
5
6
3
4
1
7
14
13
CN1101
C1115
33P
1K
R1123
1K
R1122
C1117
1
C1118
1
Q1102
B1ADCE000012
Q1103
B1ADCE000012
SWITCH
SWITCH
SWITCH
SWITCH
0.1
C1105
C1107
6.3V100
iPodDO
iPodDI
VGND
iPod_VOUT
C1110
0.1
A+7V
AGND
3
1
2
4
5
C0ABAA000114
IC1101
PCONT
6
7
5
2
4
3
8
1
C0ABBB000189
IC1102
OP-AMP
iPodL
DOCK_AGND
DOCK_R
iPod_DET
iPod_ACC
VCC
VEE
V_OUT
VCC
ISOLATION AMPLIFIER
V_GND
V_IN
V_RETURN
DO_UART_IN/RX
DO_UART_OUT/TX
DO_UART_OUT/TX
DO_UART_OUT/TX
DOCK5V_GND
iPod_ACC_PWR
DOCK5V_GND
0.1
C1101
D5V
K1002
0
R1131
47
iPod_GND
6.3V100
C1102
iPodCHG
iPodVC
3
1
2
4
5
IC1001
C0DBZHE00026
HIGH SIDE 
POWER SWITCH
GND
IN
OUT
OC EN
DOCK_L
iPod_5V
GND
VGND
VGND
VIDEO
iPod_DET
iPod_GND
LB1104
0
1000P
C1133
1000P
C1132
1000P
C1131
1000P
C1134
19
AB
AA
P1
 SA-BT205EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (8/8)
TO MAIN
SECTION (3/8)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 26
K
TO
SMPS CIRCUIT
(CN5802)
IN SCHEMATIC
DIAGRAM - 40
A
TO
DIGITAL(DIGITAL NET)
CIRCUIT (P58004) 
IN SCHEMATIC
DIAGRAM - 20
1
30
FOR DEBUG
: -B SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod VIDEO INPUT SIGNAL LINE
43
44
45
46
47
48
4950
51
52
53
54
55
56
A
B
D
E
F
H
G
C
XINTM_OUT
R220
0
XMPREQ
XBPRST
SD_BOOT
SBPTM
SYS3R3V
BP_STAT
HDMI_P_ON_H
HDMI_CONT
P_STANDBY_H
HDMI_MONI
SBMTP
SCLK
DGND
XINTM
D5V
D12V
ETH_WAKE
ETH_TXER
OPTIN_SEL
D5R3V
XINTP_OUT
PW_GOOD
6
7
5
9
25
24
26
21
20
22
17
18
13
10
12
11
16
14
15
19
23
28
27
8
1
3
4
2
29
30
CN803
XINTM
XMPREQ
DGND
DGND
DGND
DGND
X_SW13V
ET_TXER
SYS6V
X_SW13V
XINTP
HDMI_MONI
X_SW5R8V
X_SW5R8V
OPTIN_SEL
ET_WAKWUP
PW_GOOD_H
SCLK
DGND
SBMTP
DGND
XFWE
SBPTM
XBPRST
X_SW3R3V
SD_BOOT
BP_STATE
HDMI_CONT
HDMI_PON_H
P_STANBY_H
DCDET
FL+
DGND
Q7050
B1ABCF000176
PVCONT_ON
100K
R7054
R7052
6.8K
-VP
FL-
LB7001
J0JBC0000041
LB7002
J0JBC0000041
MAZ8033GLL
D7004
D7006
B0JAME000029
6.3V220
C7004
D7005
B0JCMD000010
R7013
47K
C7005
35V47
D7013
MA2J1110GL
Q7001
B1BABK000001
D7001
MAZ8180GML
1
2
K5H7512A0010
IP7001
R7006
47
MAZ8180GML
D7002
0
R7041
C7070
3900P
2.7K
R7004
D7003
MAZ8270GLL
L7001
G0C390JA0055
C7006
35V33
T7001
SWITCHING
TRANSFORMER
POWER SAVE
CONTROL
G4D1A0000117
DCDET
+18V
SYNC
G0A200D00002
L7014
D5V
PCONT
R7003
1K
R7053
560
PVCONT
R7051
100K
R7050
3.3K
D7050
MA2J1110GL
C7050
0.22
B1GDCFJJ0047
QR7051
SWITCH
SWITCH
6
8
9
7
2
1
4
5
3
10
11
CN7001
GND
C7067
10V100
D5R3V
GND
C7054
1
6
7
5
2
4
3
8
1
IC7002
VOLTAGE REGULATOR
C0DBZYY00018
D3R3V
C7055
1
C7056
470P
SYS6V
SYNC
DC_DET
SYS6VGND
PCONT
PVCCH
+18V
GND
GND
-13V
-13V
+18V
NC
NC
VIN
VO
CN
CONT
NC
GND
10K
R248
DGND
SYS3R3V
P_STANDBY_H
PVCONT_ON
SD_L
V_OUT_MUTE
WMUTE
QR101
B1GBCFLL0037
PWBPF
AGND
R256
100
B1GDCFJJ0047
INVERTER
INVERTER
QR102
NPMUTE
EXTIOCL
OPE_SBO
OPE_SBI
G1
G2
2
4
3
1
6
5
CN102
MUTEF
MRST
DMIX_OUT_SEL
MUTES
EXTIODO
EXTIOSTB
1
C121
AVRS_ON_H
HDMI_P_ON_H
HPMUTE
iPod_SEL
2
29
7
24
8
23
5
26
27
6
25
16
15
13
11
9
10
12
19
20
18
22
21
14
17
3
28
30
C0JBAZ002843
24BIT SERIAL
PARALLEL CONVERTER
IC101
GND
SBO
D3R3V
XDIAG
SBI
XRESET
P4
P1
CLK
P3
P2
STB#
P22
CLR#
P18
P19
VSS
P21
P20
P24
P23
DATA
P9
P6
P5
P8
P7
P11
VDD
P15
P17
P16
P12
P14
P13
P10
1
4
5
3
4
8
7
6
2
1
9
20
P1
 SA-BT205EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (6/8)
TO MAIN
SECTION (1/8)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 27
J
TO
D-AMP CIRCUIT
(CN8501)
IN SCHEMATIC
DIAGRAM - 34
C
TO
TUNER CIRCUIT
(CN6351)
IN SCHEMATIC
DIAGRAM - 32
1
22
10
1
: -B SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod VIDEO INPUT SIGNAL LINE
1
2
3
4
5
6
7
8
910
11
12
13
14
I
J
L
M
N
P
O
K
100P
C2178
22K
R2176
3.9K
R2174
3.9K
R2274
C2280
0.1
3.3K
R2187
R2288
3.3K
27K
R2173
27K
R2273
R2170
2.2K
R2171
27K
R2172
1.8K
HPMUTE
R2271
56K
50V1
C2177
1.8K
R2175
50V4.7
C2171
B1GDCFGA0018
QR2203
2
3
1
5
4
6
B1GFGCAA0001
MUTING CONTROL
MUTING
Q2101
R2270
2.2K
C2194
4.7
C2294
4.7
C2278
100P
47P
C2179
R2276
22K
47P
C2279
1K
R2216
1K
R2116
0.1
C2180
R2178
39
R2278
39
6
7
5
2
4
3
8
1
IC2102
OP-AMP
C0ABBB000125
2
3
1
5
4
6
C2281
1000P
C2181
1000P
10
R2177
10
R2277
2
3
1
5
4
6
Q2103
B1GFGCAA0001
HPOUTL
2.2K
R2185
2.2K
R2189
R2285
2.2K
R2289
2.2K
18
R2180
18
R2280
18
R2179
18
R2279
MUTING
Q2102
B1GFGCAA0001
MUTING
HPOUTR
+VCC
A-7V
-VCC
AGND
FRVOLOUT
FLFIN
FRFIN
FLVOLOUT
50V1
C2277
1.8K
R2275
100
R203
AMPDCDET
PVCONT
A+7V
A-7V
NPMUTE
AGND
FR_OUT
FL_OUT
MUTEF
MUTES
56K
R201
SR_OUT
PWBPF
CNT_OUT
SW_OUT
SL_OUT
56K
R202
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN503
2
1
4
3
JK2001
AUX(TV)
C824
220P
560
R848
R826
1K
220
R847
220
R845
220
R846
1K
R827
I2CSDA
TUSD
I2CSCL
TUNERL
TUNERR
AUXR
A9V
AUXL
C822
220P
15K
R821
AGND
R820
15K
TUST
6
8
9
7
2
1
4
5
3
10
CN801
FHOP
A+7V
A-7V
AGND
MOD_DA
DC_DET
PVCONT
AGND
AGND
FRONT R
FRONT L
AGND
AGND
CENTER
AGND
R CH
L CH
A9V
TU_R
TU_L
AGND
TU_ST
FM_DET
AGND
TU_SDA
TU_SD
TU_SCLK
SURROUND L
SURROUND R
SUBWOOFER
MUTE_S (MODE 1)
SURROUND BACK R
SURROUND BACK L
MUTE_F (MODE 2)
R530
820K
R540
47K
6.8K
R535
2.2K
R536
22K
R539
C522
0.01
820K
R533
FL_OUT
1
C523
A-7V
D501
MA2J1110GL 1K
R531
22P
C521
0.1
C518
AGND
CLIPDET
470
R532
3.9K
R534
4.7K
R537
MAZ8051GML
D500
C520
0.01
1K
R538
6
7
5
2
4
3
8
1
C0ABBB000189
IC501
+VCC
-VCC
OP-AMP
A+7V
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