Sony KV-SW252M50 (serv.man2) Service Manual ▷ View online
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
KV-SW252M50/M60K/M61/M81/N60
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
4-3-5. C Board Schematic Dia gram
–
44 –
–
45 –
250V
10
C751
HSS82-TJ
HSS82-TJ
HSS82-TJ
D754
C783
1000p
B
1
1P
CN702
GND
2SA1175-HFE
Q1800
1
1P
CN705
GND
1
3
4
WHT
3P
CN703
200V
GND
H1
5MM
JW1713
25V
1000
C1809
10
C1804
D756
250V
4.7
C781
D781
XX
XX
Q701
JW1751
XX
C782
1SS119-25
D1803
GP08D
D750
1
2
3
WHT
3P
CN1802
N/S COIL-
NC
N/S COIL+
1
CN704
1P
1000V
1000V
10uH
L750
GP08D
D1808
D1804
XX
1 2
9
8
7
6
5
4
3
TDA6108AJF/N1
RGB AMPLIFIER
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
RD5.6ESB2
PROTECT
D782
47k
RV1800
C759
XX
B
D755
D780
XX
2kV
4700p
E
C752
JW3880
C3800
D3801
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
R3808
R3814
D3800
C3801
XX
JW752
XX
JW753
XX
JW754 XX
FPRD
R1803
3.3
3.3
R1802
FPRD
1
2
3
4
5
CN3800
LC(B)
LC(E)
GND
7V
11V
1SS133T-77
1SS133T-77
D783
B
C784
1000p
D784
250V
0.1
C753
PT
1SS133T-77
1SS133T-77
10
220
1SS133T-77
D785
D786
D787
2kV
E
C786
4700p
1
1P
CN706
GND
1
1P
CN707
GND
1
2
3
4
5
6
7
7P
CN701
WHT
GND
B OUT
G OUT
G OUT
R OUT
GND
1K
9V
2kV
E
C787
4700p
XX
JW1881
XX
JW1880
3 5
6
7
8
9
10
11
13
1
4
J752
XX
R774
150
3W
RS
47uH
L753
47uH
L754
R3816
XX
250V
4.7
C754
47uH
L752
C785
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
145154411
KTC3199GR-TP
Q1804
AMPLIFIER
BUFFER
22
C756
XX
XX
C791
GND_3
GND_3
XX
JW1826
XX
JW1830
JW3820
JW3815
1 5
4
3
2
6 7 8 9
10
IC1800
XX
NS DRIVE
1 5
4
3
2
6 7 8 9
10
IC3800
XX
XX
JW1831
XX
XX
JW1832
JW3821
JW3822
XX
XX
XX
XX
XX
XX
XX
XX
XX
C3802
JW1833
XX
JW3824
XX
25V
100
C1803
SG700
1 2
9
8
7
6
5
4
3
IC3801
1 2
9
8
7
6
5
4
3
IC1801
AN15530A
XX
JW1825
XX
JW1821
XX
JW1804
JW3801
XX
MSD601-RT1
PWM AMP
Q1802
MSD601-RT1
MUTE SW
Q1801
Q3800
Q3802
1
2
3
4
5
6
7
RED
7P
CN1801
VD+
GND
5V
15V
11V
ROT_CTRL
ROT_SW
1
R794
47P
C789
47P
C790
820
R752
47P
C788
1/2W
2.2
R756
1/2W
2.2
R757
1/2W
2.2
R758
R1815
220k
RN-CP
110M
RV750
0.1W
R3801
L780
22uH
22uH
25V
47
C1800
L751
XX
XX
R776
1/2W
100
R765
R796
10k
R1828
RN-CP
R3810
XX
4.7k
R1806
RN-CP
R768
XX
10k
R1809
RN-CP
XX
R1822
R3807
XX
R3818
XX
R775
10k
R1816
RN-CP
XX
R783
R3815
XX
XX
XX
R778
XX
R1823
XX
R1801
1/2W
100
R763
XX
R1825
R786
XX
470
XX
R1824
1/2W
R795
100
R1821
XX
R3812
R713
XX
R3809
1/2W
100
R764
XX
R777
820
R754
820
R753
R3813
XX
XX
R1811
R797
R1814
2.2k
RN-CP
1/2W
560k
R773
R766
XX
R1813
2.2k
RN-CP
R784
XX
R3800
XX
R1826
10k
R1810
RN-CP
1k
R1800
XX
R1812
1/2W
470k
R780
R3811
XX
R785
XX
XX
R3817
R3806
XX
10k
R1827
RN-CP
R767
XX
XX
R1829
1k
R1805
RN-CP
R3804
RN-CP
R1830
330
1/10W
4.7k
R1808
RN-CP
R3802
R3819
XX
R3805
1/2W
100k
R760
3W
RS
R781
1.5
XX
R787
SG701
FV
RCV
C
TO A (Block 002)
CN507
TO ROTATION COIL
ROTATION
CIRCUIT
LANDING CORRECTION
CIRCUIT
RGB AMPLIFIER
TO A (Block 002)
CN512
TO L.C. COIL
TO FBT
TO A (Block 002)
CN505
TO A (Block 001)
CN004
FV
GND
!
RGB/AMP/Rotation/Landing Correction
5V
11V
5V
5V
7V
7V
7V
7V
7V
11V
7V
B-BX1L(05)13032-...-C..-SW252M50
RECTIFIER
ROTATION AMP
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
LCC AMP
LCC AMP
PROTECT
PROTECT
PWM AMP
MUTE SW
PROTECT
PROTECT
PROTECT
PROTECT
RGB LIMITER
RGB LIMITER
RGB LIMITER
BUFFER
CHIP
CHIP
CHIP
151942111
151942111
1
4
5
6
3
2
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
KV-SW252M50/M60K/M61/M81/N60
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
4-3-6. F2 Board Schematic Diagram
– 46 –
– 47 –
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
MSD601-RT1
SW
Q6601
MSD601-RT1
Q6603
MSD601-RT1
Q6602
MSD601-RT1
Q6604
JW6601
C6605
5
JW6603
5
JR6603
CHIP
JR6604
CHIP
JR6605
XX
JR6602
CHIP
JR6601
CHIP
JW6602
10
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:CHIP
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)13032-...-F2.-SW252M50
SW
SW
SW
SW
SW
SW
SW
SW
SW
PROTECT
PROTECT
SHUNT REGULATOR
SW
!
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
KV-SW252M50/M60K/M61/M81/N60
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
4-3-7. H7 Board Schematic Diagram
– 48 –
– 49 –
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
*
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
*
*
*
*
*
*
XX
*
*
*
*
*
*
*
*
CN3911
STBY 3.3V
GND
LED G
LED R
SIRCS
GND
KEY
9V
C3916
C3917
C3920
R3927
PT
0.01
C3900
XX
C3901
PT
0.01
C3902
XX
C3903
D3914
D3915
D3903
D3904
XX
D3905
XX
JW3910
XX
L3903
R3933
R3934
R3935
R3936
C3922
C3923
D3916
Q3903
J3905
R3931
R3928
R3929
R3932
R3937
XX
*
*
*
*
*
*
*
C3924
C3921
C3918
R3946
XX
XX
XX
*
*
C3929
D3917
R3938
J3906
C3925
D3919
R3944
R3939
C3927
R3945
C3928
R3941
R3943
R3940
C3926
D3918
R3942
Q3904
4
3
2
1
IC3900
R3930
1
2
3
4
5
WHT
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 002)
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
TO B BOARD
CN1400
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
3.3V
3.3V
9V
177032913
XX
177078622
8
5
6
7
B-BX1L(05)13032-...-
H7.(Block 001)-SW252M50
PROTECTOR
PROTECTOR
BUFFER
BUFFER
*
PROTECT
PROTECT
PROTECT
ALC
ALC
ALC
ALC
ALC
ALC
100V
100V
169243121 169243121 169243121
169243121
169243121
169243121 169243121
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
KV-SW252M50/M60K/M61/M81/N60
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. K2 Board Schematic Dia gram
– 50 –
– 51 –
10
C7042
10
C7048
1
C7006
1
C7027
4.7
C7002
2.2
C7003
2.2
C7030
2.2
C7031
16V
0.22
B
C7016
16V
0.22
B
C7021
3300p
B
C7013
3300p
B
C7023
1000p
B
C7014
1000p
B
C7024
25V
0.01
B
C7033
16V
0.068
B
C7015
16V
0.068
B
C7022
10V
0.15
B
C7018
10V
0.15
B
C7034
16V
0.1
B
C7019
RN-CP
27k
R7008
RN-CP
27k
R7009
RN-CP
27k
R7011
RN-CP
27k
R7012
RN-CP
27k
R7013
RN-CP
5.6k
R7016
RN-CP
47k
R7017
1
2
3
4
5
6
7
7P
CN7002
LOUT
GND
ROUT
GND
LIN
GND
RIN
RN-CP
10k
R7020
1
2
3
4
5
6
7
7P
CN7001
GND
DDET1
5V
9V
GND
SDA
SCL
2.2
C7028
2.2
C7029
UDZSTE-175.6B
D7001
UDZSTE-175.6B
D7002
C7057
XX
XX
C7059
RN-CP
100
R7027
RN-CP
100
R7026
RN-CP
100
R7021
XX
C7060
47
35V
C7017
100
C7020
RN-CP
470k
R7002
RN-CP
47k
R7007
RN-CP
39k
R7015
RN-CP
39k
R7018
XX
R7022
31
32
33
34
35
36
1
23
4
5
6
7
8
91
0
1
1
1
2
1
3
1
4
15
16
17
18
30
29
28
27
26
21
22
23
24
25
20
19
M65845AFP-TE2
KARAOKE IC
IC7000
MIC1IN
ALC1
MIC1NFIN
MIC1OUT
MIC1VOLIN
MIC2IN
ALC2
MIC2NFIN
MIC2OUT
MIC2VOLIN
MICOUT
LPF1IN
LPF1OUT
ADINTIN
ADINTOUT
ADCONT
REF
GND
VCC
DACONT
DAINTIN
DAINTOUT
LPF2IN
LPF2OUT
ECHOVOLIN
RLINEIN
LLINEIN
RLINEOUT
LLINEOUT
MICECHOOUT
MICSW
CLOCKCONT
AUDSW1
AUDSW2
VALC
VCFIL
0.22
C7001
220p CH
C7058
RN-CP
10k
R7001
RN-CP
3.9k
R7023
RN-CP
100k
R7024
RN-CP
100k
R7025
22
C7056
0.47
C7052
4.7
C7063
RN-CP
3.9k
R7028
0.22
C7061
C7062
XX
UDZSTE-175.6B
D7003
RN-CP
10k
R7029
RN-CP
470k
R7030
2.2
C7065
RN-CP
100
R7031
XX
R7032
220p
CH
C7067
XX
C7068
10
C7064
1
C7066
16V
2.2
F
C7069
50V
2.2
C7074
50V
1
C7070
50V
1
C7071
50V
1
C7072
50V
1
C7073
1
2
3
4
5
WHT
6P
CN7003
MICIN 1
GND
MICSW
GND
MICIN 2
D7004
XX
D7005
XX
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC7001
IN1
OUT1
IN2
OUT2
CVOL1
CVOL2
ADR
SDA
SCL
GND
V+
Vref
AUX0
AUX1
CVOL4
CVOL3
OUT4
IN4
OUT3
IN3
K2
2 MIC in Karaoke
TO B BOARD
CN210
TO B BOARD
CN209
TO H7 BOARD
CN3909
NJW1184M-TE2
ELECTRONIC VOLUME
MIC1
MIC2
ECHO
ADDR: 80H
B-BX1L(05)13032-...-K2.-SW252M50
5V
5V
5V
5V
5V
5V
9V
9V
PROTECT
PROTECT
PROTECT
PROTECT
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