Sony KV-DR34M97 Service Manual ▷ View online
– 62 –
KV-DR34M97
RM-991
KV-DR34M97
RM-991
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
– 63 –
(6) P Board Schematic Diagram
1
2
3
4
5
6
7
8
9
I
G
EMI
EMI
EMI
EMI
EMI
R8813
R8814
C8802
C8836
C8833
C8801
C8805
C8806
C8807
C8808
C8809
C8810
C8811
C8812
C8813
C8814
C8815
C8818
C8819
C8820
C8821
C8822
C8823
C8824
C8825
C8826
C8827
C8828
C8829
C8830
C8831
C8834
FL8802
FL8803
FL8804
FL8805
FL8808
IC8802
L8806
L8809
Q8806
Q8807
Q8812
X8801
IC8801
L8801
L8807
CN8801
C8803
C8804
C8832
R8811
R8803
R8804
R8809
R8810
R8812
R8818
R8821
R8824
R8826
R8827
R8828
R8829
R8830
R8837
R8840
R8841
R8806
R8807
R8808
R8817
R8825
R8843
R8846
R8835
R8836
R8815
R8816
R8819
R8820
R8822
R8823
R8844
R8845
R8849
R8850
R8838
R8839
R8848
R8801
R8802
R8831
R8832
R8833
R8834
R8842
R8847
C8835
R8805
Q8801
Q8802
Q8803
Q8808
Q8809
Q8810
Q8811
D8801
Q8804
Q8805
#
:CHIP
#
:CHIP
0.1
25V
B:CHIP
#
#
100
10V
0.1 25V B:CHIP
0.1 25V B:CHIP
0.1 25V B:CHIP
47
47
100
10V
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1 25V B:CHIP
100
10V
0.1
25V
B:CHIP
100
10V
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
EMI
EMI
EMI
EMI
EMI
BA033FP-E2
:LHL08
:EL0606
2SC2712-YG
2SC2712-YG
2SC2712-YG
20.25MHz
SDA9588XB23
:EL0606
:EL0606
20P
:BTOB
MMDL914T1
10p
CH:CHIP
10p
CH:CHIP
82p CH:CHIP
100p
CH:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100 :CHIP
100 :CHIP
100
:CHIP
0
:CHIP
470
:CHIP
470
:CHIP
470
:CHIP
470
:CHIP
470
:CHIP
470
:CHIP
470
:CHIP
330
:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
1k :CHIP
1k
:CHIP
1k
:CHIP
820
:CHIP
820
:CHIP
1.5k :CHIP
1.5k
:CHIP
100k
:CHIP
1M
:CHIP
10k
:CHIP
1.2k
:CHIP
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
MSB709-RT1
X IN
X O
HSP
VSP
SDA
SCL
VDD
VSS
INT
IN 2
IN 3
FSW
IN 1
CVBS 1
VREFM
U IN
VREFL
SEL
U OUT
Y OUT
V OUT
VDD A2
SCL
SDA
U OUT
Y OUT
V OUT
V IN
VSS A1
VDD A1
VSS A2
VREFH
TO A BOARD
CVBS/Y IN
I2C
10UH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
18UH
10
11
12
13
14
15
16
17
18
19
20
9V
BY
RY
GND
SUB-CV/Y
NC
NC
GND
GND
SY-OUT
SU-OUT
SV-OUT
GND
SEL E
VP-M
HP-M
GND
+5V
SDA
SCL
C8816 100 10V
C8817 100 10V
100UH
O
V IN
U IN
10UH
!
P
(PICTURE IN PICTURE FEATURES)
CN8402
CLAMP
BUFFER
BUFFER
BUFFER
SYNC AMP
SYNC EXTENDER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
PROTECT
PROTECT
PIP PROCESSOR
3.3V REG
5V
B-SSS11149-HK.-P..-DR34
– 65 –
– 64 –
KV-DR34M97
RM-991
KV-DR34M97
RM-991
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
(7) BC1 Board Schematic Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1 2 3
4
6
1 2 3
4
6
1 2 3
4
6
1 2 3
4
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
16
OUT
VCC
GND
OUT
VCC
GND
1
EMI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C2001
C2013
C2022
C2037
C2046
C2048
C2049
C2051
C2055
C2059
C2066
C2078
FB2001
FB2008
FB2010
FB2011
FB2012
FB2014
FB2015
FL2001
FL2002
FL2003
L2003
L2005
L2006
L2007
L2008
X2001
L2001
C2053
RV2001
C2020
C2067
C2008
C2044
L2304
L2305
C2300
C2301
C2302
C2303
C2304
C2305
C2306
C2307
C2309
C2310
C2312
C2313
C2315
C2316
C2317
C2318
C2319
C2320
C2321
C2322
C2323
C2324
C2326
Q2302
Q2303
Q2304
Q2305
Q2306
Q2308
R2307
R2309
R2310
R2311
R2312
R2315
R2317
R2318
R2319
R2320
R2321
R2322
R2323
R2324
R2325
R2326
C2003
C2103
C2101
C2104
C2105
C2079 C2080
C2064
C2058
C2014
C2018
C2023
C2060
C2061
C2069
C2012
C2098
C2099
R2002
R2004
R2005
R2011
R2015
R2053
R2054
R2115
R2001
R2012
R2024
R2021
R2038
R2060
R2074
R2076
R2077
R2027
R2028
R2048
R2051
R2052
R2057
R2059
R2064
R2073
R2108
R2029
R2030
R2035
R2061
R2067
R2072
R2033
R2034
R2330
R2037
R2039
R2040
R2041
R2042
R2044
R2046
R2058
R2043
R2047
R2049
R2045
R2063
R2066
C2047
C2050
C2056
C2096
C2097
C2071
C2327
C2308
R2055
R2050
R2327
R2328
R2308
C2006
C2009
C2016
C2021
C2029
C2032
C2033
C2034
C2035
C2038
C2039
C2063
C2074
C2075
C2010
C2011
C2045
C2052
C2005
R2031
R2032
R2056
R2071
R2062
R2069
R2070
R2036
R2331
CN2001
C2314
C2043
R2301
R2306
R2333
R2334
Q2301
Q2309
R2313
R2314
R2316
Q2002
Q2003
Q2004
Q2012
Q2013
Q2018
Q2005
Q2006
Q2007
Q2008
Q2009
Q2010
Q2011
Q2014
Q2015
Q2016
Q2019
C2328
C2329
C2036
C2072
FB2017
C2042
C2031
C2017
C2015
C2102
C2100
C2040
L2303
C2330
L2307
R2332
IC2001
IC2005
IC2300
C2004
C2002
FB2016
C2019
C2041
C2024
C2025
C2026
C2027
C2028
C2030
C2054
C2007
FB2002
L2002
L2300
L2306
L2301
L2302
C2331
CN2002
R2335
FL2004
C2081
FL2000
IC2004
47
16V
47
16V
47
16V
47
16V
10
10
1
10
47
16V
#
47
16V
47
16V
20MHz
:CHIP
1
:BP
220
#
#
100
10V
100
10V
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
0.01
B:CHIP
0.1
25V
B:CHIP
100
16V
16V
47
16V
47
16V
0.01
B:CHIP
0.01
B:CHIP
0.1
25V
B:CHIP
0.1
25V
B:CHIP
100
16V
0.01
B:CHIP
22p
CH:CHIP
12p
CH:CHIP
0.01
B:CHIP
22p
CH:CHIP
12p
CH:CHIP
47
16V
47
16V
1k
:CHIP
1.2k
:CHIP
6.8k
:CHIP
12k
:CHIP
1k
:CHIP
470
:CHIP
100
:CHIP
1k
:CHIP
820
:CHIP
1.2k
:CHIP
12k
:CHIP
6.8k
:CHIP
1k
:CHIP
470
:CHIP
470
:CHIP
1k
:CHIP
0.01
:B
0.01
:F
0.01
:F
0.01
:F
0.01
:F
0.01
:F
#
0.01
:F
#
0.01
:F
0.01
:F
0.01
:F
#
#
#
0.01
:F
#
#
0
:CHIP
0
:CHIP
0
:CHIP
470
1/10W
:CHIP
:CHIP
470
1/10W
:CHIP
470
1/10W
:CHIP
470
1/10W
:CHIP
470
:CHIP
10k
:CHIP
10k
1/10W
:CHIP
#
100
1/10W
:CHIP
#
100
1/10W
:CHIP
100
1/10W
:CHIP
100
:CHIP
100
1/10W
:CHIP
1k
:CHIP
1k
1/10W
:CHIP
1k
:CHIP
1k
:CHIP
1k
1/10W
:CHIP
1k
1/10W
:CHIP
1k
1/10W
:CHIP
1k
:CHIP
1k
1/10W
:CHIP
:CHIP
1k
1/10W
:CHIP
560
:CHIP
560
:CHIP
560
:CHIP
560
:CHIP
560
:CHIP
560
1/10W
:CHIP
330
:CHIP
330
:CHIP
330 1/10W:CHIP
680
:CHIP
2.2k
:CHIP
2.2k
:CHIP
2.2k
:CHIP
2.2k
:CHIP
2.2k
:CHIP
2.2k
:CHIP
2.2k
1/10W
:CHIP
4.7k
:CHIP
4.7k
:CHIP
4.7k
1/10W
:CHIP
#
47k
1/10W
:CHIP
220
1/10W
:CHIP
2.2
16V
:F
15p
:CH
15p
:CH
15p
:CH
15p
:CH
#
0.1
25V
B:CHIP
0.47
16V
B:CHIP
47
:CHIP
47
:CHIP
47
1/10W
:CHIP
47
1/10W
:CHIP
820
:CHIP
0.1
25V
:F
0.1
25V
:F
:F
0.1
25V
:F
0.1
25V
:F
0.1
25V
:F
0.1 25V:F
0.1 25V :F
0.1
25V
:F
0.1
25V
:F
0.1 25V :F
0.1 25V :F
0.1
25V
:F
0.1
25V
:F
0.1
25V
:F
24p
CH:CHIP
24p
CH:CHIP
36p
CH:CHIP
470p
CH:CHIP
390p
CH:CHIP
5.6k
:CHIP
5.6k
:CHIP
5.6k
:CHIP
5.6k
:CHIP
220k
:CHIP
330
:RN-CP
390
:RN-CP
510
:RN-CP
0
:CHIP
20P
:BTOB
680p B:CHIP
#
470
:CHIP
390
:CHIP
100
:CHIP
1k
:CHIP
0
:CHIP
390
:CHIP
#
#
#
0.1 25V :F
27p:CH
0
:CHIP
#
#
#
#
#
0.1
:F
0.1
25V
:F
0.01
B
#
BA25BC0FP-E2
#
TC90A69F
:B2H
10
25V
0.1
25V
B:CHIP
0
:CHIP
47
16V
47
16V
0.01
F:CHIP
0.01
:CHIP
0.01
:CHIP
0.01
:CHIP
0.01
F:CHIP
0.01
:CHIP
0.01
:CHIP
0.1
:CHIP
:CHIP
:CHIP
0.01
B
#
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SA1037AK-T146
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
2SC2712-YG
0UH
0.01
:CHIP
3D COMB:B8H
9V
5V
9V
9V
9V
9V
9V
9V
9V
9V
9V
9V
9V
3.3V-2
9V
9V
9V
9V
9V
9V
9V
5V
5V
5V
5V
5V
3.3V-2
3.3V-2
2.5V-2
2.5V
2.5V-2
2.5V
TO A BOARD
CN8401
E
D5V
D3.3V
D3.3V
9V
5V-2
3.3V-2
9V
3.3V-2
9V
5V
A5V
(Y/C SEP)
DVDDRAM
DVDDRAM
TEST15
TEST15
TEST16
TEST17
TEST17
TEST18
TEST19
DVDDIO
TEST20
DGND
TEST21
TEST22
TEST23
TEST24
DVDD
AVDD
XI
XO
AGND
FSCO
CBPC
ACO
AYO
CBPY
AGND
AGND
AYI
VCLY
VRTY
AVDD
AVDD
VRTC
VRBC
ACI
AGND
TEST25
TEST26
DVDD
VRBY
2.5V-2
D2.5V
2.5V
A2.5V
COMP V IN
E
RESET
GND
GND
9V
E
5V
E
C IN
GND
GND
PAL-Y
PAL-C
FSC
BIAS
VRT
VDD1
TEST11
VSS2
VRB
YCIN
TEST
KILLER
TEST12
VDD3
VSS3
VDD2
TEST13
VB1
COUT
VSS1
YOUT
VB2
PD
FIL
VSS4
VDD4
FSC
TESTOUT
MODE1
SDA
SCL
NT-Y OUT
NT-C OUT
NT-C OUT
SDA
SCL
+6.5V
GND
4.7UH
47UH
47UH
10UH
1UH
UPD64083GF-3BA
DGNDRAM
DGNDRAM
EXTDYCO9
EXTDYCO8
EXTDYCO7
EXTDYCO6
EXTDYCO5
EXTDYCO4
EXTDYCO3
EXTDYCO2
EXTDYCO1
EXTDYCO0
EXTALTF
TEST14
TEST13
TEST12
TEST11
TEST10
TEST09
TEST08
TEST07
TEST06
TEST05
TEST04
TEST03
TEST02
TEST01
TESTIC2
TESTIC1
DGND
AGND
FSCI
AVDD
CKMD
DGND
CLK8
RSTB
SLA0
SCL
SDA
ST0
ST1
NSTD
DVDD
DYCO0
DYCO1
DYCO2
DYCO3
DYCO4
DYCO5
DYCO6
DYCO7
DYCO8
DYCO9
ALTF
CSI
RPLL
LINE
KIL
DGND
AVDD
47UH
27UH
27UH
Q2307
2SC2712-YG
10UH
10UH
10UH
10UH
10UH
10UH
10UH
B-SSS11149-HK.-BC1-DR34
!
BC1
( 2D & 3D DIGITAL COMB)
9V
9V
9V
9V
9V
9V
9V
5V
5V
2.5V
2.5V
5V
5V
5V
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
CHROMA AMP.
Y-AMP
BUFFER
SYNC SEPARATION
BUFFER
BUFFER
SYNC SEPARATION
BUFFER
SYNC SEPARATION
BUFFER
BUFFER
BUFFER
BUFFER
CHROMA AMP
CHROMA AMP
BUFFER
Y-AMP
Y-AMP
Y-AMP
BUFFER
2.5V REGULATOR
3.3V REGULATOR
2D COMB
25V
– 66 –
KV-DR34M97
RM-991
KV-DR34M97
RM-991
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
– 67 –
(8) H1 Board Schematic Diagram
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
1
0
V
L
R
1
2
3
4
5
6
7
8
9
1
0
1
2
3
4
5
6
R1932
R1947
R1954
D1940
D1942
D1937
D1931
D1934
D1939
D1938
D1933
D1932
JW1934
JW1933
C1935
C1938
C1910
R1916
R1917
R1920
R1921
R1934
R1935
R1911
R1914
R1952
R1970
R1913
R1915
R1933
R1936
R1948
R1949
R1950
R1951
R1953
CN1932
S1972
S1973
J1932
D1930
Q1901
Q1902
CN1905
D1948
D1947
CN1934
D1905
D1907
D1944
D1945
D1946
R1971
R1973
R1974
S1974
S1975
S1976 S1977
S1978
C1930
C1932
L1931
L1932
J1933
R1972
CN1906
J1931
#
#
#
#
#
#
#
#
470p
470p
47
16V
47
100
100
100
100
100
330
330
2.2k
5.6k
10k
10k
470k
470k
JW(5)
JW(5)
JW(5)
JW(5)
JW(5)
6P
WHT
:S-MICRO
MENU
AUTO
PRESET
1-784-646-11
HZS9.1NB2
PROTECTOR
DTC144ESA
DTC144ESA
#
PROTECTOR
#
PROTECTOR
#
PROTECTOR
#
PROTECTOR
#
PROTECTOR
#
PROTECTOR
PROTECTOR
10P
BLK
BLK
:S-MICRO
#
#
10P
BLK
:S-MICRO
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
PROTECT
1SS119-25
1SS119-25
470
1.8k
3.3k
TV/VIDEO
VOL-
VOL+
PRG-
PRG+
:EL0606
:EL0606
3P
1k
6P
:S-MICRO
JACK
0.01
:PT
0.01
:PT
TO A BOARD
TO A BOARD
CN1193
TO A BOARD
CN8301
CN1190
(pin 5~10)
HP GND
HP L IN
HP R IN
AU GND
HP MUTE
PULL UP
D1943
#
PROTECTOR
D1941
#
10UH
10UH
1
3
4
2
R IN
GND
L IN
GND
Y IN
GND
CV IN
S IN
C IN
GND
TO H2 BOARD
CN1907
LED
LED R
GND
GND
SIRCS IN
5V
LED 1
LED 2
STBY +5V
SIRCS
GND
GND
KEY 2
GND
KEY 1 OUT
INTW
!
H1
(S-TERMINAL INPUT, AV INPUT,
PRESET KEY, PHONE OUT)
B-SSS11149-HK.-H1.-DR34
5V
– 68 –
KV-DR34M97
RM-991
KV-DR34M97
RM-991
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
– 69 –
(9) H2, DH and J Boards Schematic Diagrams
1
2
3
4
1
2
3
4
1
2
3
1
2
3
4
5
6
C1912
C1911
S1651
CN1651
CN1652
D1906
CN1907
IC1901
470p
47
16V
AC-PUSH-SW
4P
WHT
:VH
4P
WHT
:VH
SPB-25MVWF
6P
:S-MICRO
SBX1981-51P
CN1602
TO D BOARD
CN6604
R
G
TO F1 BOARD
AC OUT
AC OUT
AC IN
AC IN
NC
NC
NC
NC
!
!
LED G
LED R
GND
GND
SIRCS IN
5V SEN
TO H1 BOARD
CN1906
REMOTE SENSOR
LED(2 COLOR LED)
H2
(POWER SW, LED, SIRCS RECEIVER)
B-SSS11149-HK.-H2.-DR34
1
2
3
2
3
4
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
R2411
R2412
C2413
C2411
C2412
C2414
C2410
R2414
R2417
R2418
R2415 C2418
C2419
R2410
CN2410
D2410
D2411
D2412
D2415
J2410
CN3451
JW3451
D3453
D3454
J3451
R2421
R2419
R2420
75
75
330p
B
47
47
330p
B
47
220k
220k
100
100
1
1
75
8P
WHT
:S-MICRO
HZS9.1NB2
HZS9.1NB2
HZS9.1NB2
HZS9.1NB2
HZS9.1NB2
D2414
5P
#
#
#
#
#
JW(5MM)
JW(5MM)
JW(5MM)
GND
GND
DVD Y
DVD BY
DVD RY
GND
DVD L
DVD R
GND
DVD L
DVD R
Y
B-Y
R-Y
L
R
3D+IN
GND
GND/3D-
3D SP + (RED)
3D SP - (BLK)
3D+IN
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
J
!
(COMPONENT IN)
B-SSS11149-HK.-J..-DR34
TO A BOARD
CN1113
TO A BOARD
CN8302
1
2
3
4
VCC
GND
REF
X
OUT
6
7
8
NC
REG
NC
1
2
3
4
5
6
7
I
G
1
2
3
4
5
6
7
8
9
10
C3820
D3807
D3808
D3809
D3810
R3853
R3856
R3857
C3808
C3801
C3804
C3805
C3807
C3816
C3819
C3822
D3805
IC3805
Q3809
Q3812
R3802
R3803
R3808
R3810
R3814
R3823
R3825
R3828
R3839
R3845
R3849
R3850
R3851
R3852
R3854
Q3808
R3858
R3859
R3860
R3861
R3807
R3846
R3847
R3848
R3804
R3862
Q3806
JW3806
JW3808
R3805
Q3807
R3809
C3823
C3824
Q3813
Q3814
R3863
R3864
R3865
R3866
IC3807
JW3801
JW3803
JW3804
CN3802
JW3815
C3825
C3826
IC3808
Q3811
Q3810
#
#
#
:PROTECT
#
:PROTECT
#
:PROTECT
#
:PROTECT
#
#
#
JW(5MM)
JW(7.5MM)
JW(15MM)
#
10
0.1
AN77L05-TA
5V
10
0.01
B:CHIP
10
0.01
B:CHIP
10
1.0
0.1
:MPS
7P
1SS119-25
LA6510
#
2SC2785-HFE
2SA1175-HFE
2SC2785-HFE
2SC2785-HFE
1.0K
1.0K
9.1K
3.3K
470
150K
75K
330
15
1.0K
0.47
4.7K
4.7K
1.0
100
1.0K
0.47
JW(5.0MM)
10K
10K
100K
DTC144ESA
DTC144ESA
#
#
#
#
#
(5.0M)
#
#
1.0K
1.0K
47K
47K
10
1.0
2SC2785-HFE
2SA1175-HE
GND
7V
DEGAUSS
11V
N/S(E)
N/S(B)
TO A BOARD
LC-DRV
CN1138
O
JW3805
(5MM)
VS1
OUT1
-IN1
+IN1
GND
+IN2
-IN2
OUT2
VS2
VCC
!
DH
(MAGNETIC FIELD CORRECTION)
B-SSS11149-HK.-DH.-DR34
STOPPER
BUFFER
SW
SW
N/S DRIVE MUTE
BUFFER
BUFFER
N/S DRIVE MUE
DRIVER
DRIVER
MAGNETIC SENSOR
11V
11V
7V
7V
5V
5V
7V
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