Sony KV-SW342M81 Service Manual ▷ View online
– 44 –
KV-SW342M81
RM-GA002
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
4-3-7. D3 Board Schematic Diagram
1
2
3
4
5
6
7
WHT
7P
CN2800
NC
NC
GND
GND
FBP
15V
VD+
35V
47
C2800
35V
47
C2805
R2801
XX
4.7mH
L2802
XX
L2801
XX
C2813
1
1P
CN2803
DF OUT
MPS
0.47
C2807
MPS
0.47
C2809
2SC4793
Q2802
10
C2808
RS
1W
10
R2808
1SS119-25
D2802
FPRD
100
R2800
2.2k
R2806 1SS119-25
D2801
D2800
FPRD
1.8k
R2807
100V
PT
0.1
C2801
1
2
3
WHT
3P
CN2802
QP+
NC
QP-
200V
MPS
0.022
C2810
10
C2811
10
C2812
1SS119-25
D2803
4
3
2
1
LM358D
IC2801
XX
C2804
10k
R2802
10k
R2803
3.3mH
L2803
2SC2958-L
Q2801
XX
C2806
1
3
2
4
6
5
7
8
T2800
630V
PP
0.056
C2803
7.5
JW2801
RN-CP
47k
R2815
RN-CP
5.6k
R2811
10mH
L2800
KTC3199GR-TP
Q2800
MSB709-RT1
Q2803
15mH
L2804
MSD601-RT1
Q2804
I
G
IC2800
NJM78M09FA
PT
0.015
C2802
RN-CP
270k
R2816
RN-CP
270k
R2817
RN-CP
22k
R2812
RN-CP
1M
R2814
RN-CP
2.7k
R2813
RN-CP
2.7k
R2809
RN-CP
1k
R2810
RN-CP
100k
R2805
RN-CP
3.3k
R2804
3W
RS
R2818
220
100V
PT
C2814
0.056
XX
L2805
XX
L2806
XX
L2807
XX
L2808
D3 BOARD
TO A(002) BOARD
CN503
TO VM BOARD
CN2801
O
15V REGULATOR
DFT
DQPV. MOD
DQPV. MOD
DQPV. MOD
8
7
6
5
V.PARA.AMP
AMP
AMP
DYNAMIC FOCUS/DQP
DQPV.MOD
B-BX1L(05)12822-ME.-D3.-SW342M81
15V
ELIZ
BIAS
141305900
100V
1/2W
1/2W
TO A(002) BOARD
CN504
KV-SW342M81
RM-GA002
KV-SW342M81
RM-GA002
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
4-3-8. H7 Board Schematic Diagram
– 45 –
– 46 –
220
R3911
220
R3914
47
R3916
1k
R3907
1.5k
R3915
680
R3920
470
R3908
330
R3909
220
R3910
150
R3912
D3902
XX
XX
R3924
XX
R3904
XX
R3905
XX
C3914
10uH
L3902
10uH
L3901
J3904
1
2
3
4
5
6
CN3903
6P
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
1
2
3
4
5
6
7
CN3905
7P
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
5.0MM
JW3904
5.0MM
JW3905
RD5.6ESB2
D3908
L
R
V
J3903
XX
R3925
5.0MM
JW3914
1
2
3
4
WHT
4P
CN3901
SP L OUT
SP GND
SP GND
SP R OUT
1
2
3
4
5
WHT
5P
CN3907
LED G
LED R
GND
SIRCS IN
3.3V SEN
1
2
3
4
5
RED
5P
CN3908
R IN
GND
L IN
GND
CV IN
R3926
XX
1SS133T-77
D3912
1SS133T-77
D3913
J3901
35V
47
C3910
35V
47
C3911
KRC110M
Q3901
KRC110M
Q3902
1
2
3
WHT
XX
CN3910
GND
GND
NC
1
2
3
XX
CN3906
RED
W GND
W GND
3D OUT
S3909
2
1
S3907
S3908
S3902
S3903
S3904
S3905
1
2
3
4
5
6
7
8
WHT
XX
CN3911
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
9V
XX
C3916
XX
C3917
XX
C3920
XX
R3927
PT
0.01
C3900
XX
C3901
PT
0.01
C3902
XX
C3903
D3914
D3915
D3903
D3904
XX
D3905
XX
JW3910
XX
XX
L3903
XX
R3933
XX
R3934
XX
R3935
XX
R3936
XX
C3922
XX
C3923
D3916
Q3903
J3905
XX
R3931
XX
R3928
XX
R3929
XX
R3932
XX
R3937
XX
C3924
XX
C3921
XX
C3918
XX
R3946
XX
C3929
D3917
XX
R3938
J3906
XX
C3925
D3919
XX
R3944
XX
R3939
XX
C3927
XX
R3945
XX
C3928
XX
R3941
XX
R3943
R3940
XX
XX
C3926
D3918
XX
R3942
Q3904
4
3
2
1
IC3900
XX
R3930
1
2
3
4
5
WHT
XX
CN3909
MICIN 1
GND
MICSW
GND
MICIN 2
1
2
3
4
5
6
7
8
9
XX
CN3902
WHT
PH L IN
SP L IN
SP GND
SP GND
SP R IN
PH R IN
GND
3D IN
3D IN
Front Panel
H7
TO SPEAKER
TO B BOARD
CN207
TO A(Block 001) BOARD
CN202
TO 3D WOOFER
CN906
TO A (Block 001)
CN014
TO H4 BOARD
CN1900
MENU
VIDEO
VOL -
VOL +
CH -
CH +
SOUND
MODE
TO A (Block 001)
TO A (Block 001)
CN016
+
+ -
-
KARAOKE
XX
XX
XX
XX
XX
XX
XX
XX
XX
3.3V
3.3V
9V
JACK,3P
JACK
JACK
8
5
6
7
B-BX1L(05)12822-ME.-H7..-SW342M81
PROTECTOR
PROTECTOR
BUFFER
BUFFER
XX
PROTECT
PROTECT
PROTECT
ALC
ALC
ALC
ALC
ALC
ALC
100V
100V
177078622
XX
XX
XX
KV-SW342M81
RM-GA002
KV-SW342M81
RM-GA002
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
4-3-9. VM Board Schematic Diagram
– 47 –
– 48 –
16V
330
C5902
47uH
L5901
330
R5904
160V
33
C5907
500V
4700p
E
C5903
1/2W
FPRD
39
R5903
FPRD
560
R5902
FPRD
1.5
R5908
1SS119-25
D5905
820
R5917
1.5k
R5916
10k
R5915
10k
R5918
16V
100
C5909
47k
R5912
1SS119-25
D5903
2W
RS
10
R5929
68
R5910
220
R5909
16V
100
C5914
200V
PT
0.047
C5908
68k
R5911
RD39ES-B
D5902
RD39ES-B
D5904
200V
2.2
C5911
68k
R5920
200V
PT
0.1
C5912
FPRD
1k
R5919
3W
RS
180
R5921
560
R5922
FPRD
1.5
R5923
10V
470
C5917
FPRD
39
R5925
WHT
3P
CN2801
QP+
NC
QP-
2SA1175-HFE
BUFFER
BUFFER
Q5904
R5937
120
JW5902
5
D5906
XX
D5907
XX
C5915
XX
R5913
XX
C5904
XX
R5936
120
1
2
3
4
5
6
WHT
6P
CN5901
VM
GND
9V
GND
NC
+B
200V
100
C5905
1k
R5907
XX
C5920
500V
220p
B
C5918
2SC2458-YGR
AMPLIFIER
AMPLIFIER
Q5901
2SC2458-YGR
Q5903
2SC2458-YGR
Q5905
2SA117-HFE
Q5913
2SC2458-YGR
Q5912
2SC2458-YGR
Q5914
JW5907
XX
R5900
47
0.1
C5923
470
R5952
0.047
C5906
PT
1SS119-25
D5901
220
R5949
47k
R5947
1k
R5906
1k
R5905
5
JW5901
0uH
FB5900
PT
1000p
C5910
PT
1000p
C5913
PT
0.047
C5916
1
1
2
3
2
3
4
5
6
7
8
9
10
11
12
12P
CN5904
QP-
QP-
NC
NC
QP+
QP+
NC
NC
E
E
VM
VM
1
2
3
WHT
XX
CN5903
CY-
N.C.
CY+
MPS
C5901
XX
XX
L5902
XX
L5903
47k
R5948
82
R5914
330
R5950
R5951
390
2SC4159-E
VM OUT
Q5906
2SA1606-E
VM OUT
Q5902
VM
TO A (Block 001) CN003
TO A (Block 001) CN005
TO VM COIL
TO D3 BOARD CN2802
Velocity Modulation
B-BX1L(05)12822-ME.-VM.-SW342M81
9V
9V
AMP
INV
AMP
TEMP-CORR.
LEVEL SHIFT
LEVEL SHIFT
VOLTAGE DROP
DROP
VOLTAGE
DROP
VOLTAGE
DROP
VOLTAGE
KV-SW342M81
RM-GA002
KV-SW342M81
RM-GA002
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
– 49 –
– 50 –
4-3-10. F2 Board Schematic Diagram
To A (Block 002)
2.2
C6606
33
C6609
MMDL914T1
D6602
MMDL914T1
D6603
MMDL914T1
D6604
MMDL914T1
D6605
MMDL914T1
D6606
MMDL914T1
D6601
MMDL914T1
D6609
MMDL914T1
D6608
MMDL914T1
D6610
MSB709-RT1
SW
Q6601
MSB709-RT1
Q6603
MSD601-RT1
Q6602
MSD601-RT1
Q6604
100p
C6605
CH
RN-CP
10k
R6631
RN-CP
470k
R6623
RN-CP
510k
R6611
RN-CP
56k
R6625
RN-CP
510k
R6605
RN-CP
47k
R6629
RN-CP
510k
R6612
RN-CP
100k
R6609
RN-CP
510k
R6620
RN-CP
680k
R6624
RN-CP
510k
R6613
RN-CP
10k
R6632
RN-CP
75k
R6622
XX
C6608
25V
0.01
B
C6603
RN-CP
39k
R6630
RN-CP
120k
R6614
RN-CP
510k
R6610
RN-CP
4.7k
R6637
RN-CP
10k
R6601
XX
C6601
RN-CP
510k
R6626
RN-CP
510k
R6627
RN-CP
3.9k
R6638
RN-CP
510k
R6606
RN-CP
10k
R6639
RN-CP
4.7k
R6633
RN-CP
510k
R6618
RN-CP
4.7k
R6603
RN-CP
10k
R6602
RN-CP
22k
R6635
RN-CP
10k
R6640
RN-CP
510k
R6604
RN-CP
75k
R6615
RN-CP
4.7k
R6636
RN-CP
10k
R6641
100p
C6604
CH
RN-CP
56k
R6616
RN-CP
1k
R6642
100p
C6602
CH
100p
C6607
CH
RN-CP
56k
R6607
RN-CP
22k
R6634
RN-CP
510k
R6619
RN-CP
56k
R6608
RN-CP
120k
R6621
RN-CP
470k
R6617
RN-CP
47k
R6628
PC123Y22FZ0F
PH6602
1
2
3
4
PC123Y22FZ0F
PH6603
1
23
4
MM3Z12VST1
D6607
14
13
12
11
10
9
8
7
6
5
4
3
2
1
LM339NS
(SW IC)
DUAL COMPARATOR
IC6604
OUT2
OUT1
VCC
I1
W1
I2
W2
I3
W3
I4
W4
GND
OUT4
OUT3
1
2
3
4
GRN
4P
CN6602
P_VCC
DH
DL
P_GND
1
4
GRN
4P
CN6601
M_SENSE
S_SENSE
1
2
3
4
5
GRN
5P
CN6603
S_GND
MAIN_ON
BIAS
P_CONT
S_VCC
3
1
2
KIA431AF
IC6601
PRIMARY SECONDARY
F2
Rectifier Selection Unit
CN606
CN607
To A (Block 002)
To A (Block 002)
CN608
B-BX1L(05)12822-ME.-F2.-SW342M81
!
!
SW
SW
SW
SW
SW
SW
SW
SW
SW
PROTECT
PROTECT
SHUNT REGULATOR
SW
!
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