Sony KV-SW252M50 Service Manual ▷ View online
– 51 –
KV-SW252M50/M80
RM-GA002
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORMS
Q618
B
2.4
C
0
E
2.7
Q900
B
(1.4)[1.3]
C
0
E
2.0
Q901
B
0.1
C
0.1
E
0
Q902
B
-0.1
C
0.1
E
0
PH601
1
15.0
2
14.0
3
-79.6
4
(-78.7)[-78.8]
DY1
H+
139.2
120.0Vp-p
PAL
17
121.6Vp-p
NTSC
17
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
H-
134.1
192.0Vp-p
PAL
18
184.0Vp-p
NTSC
18
V-
0
2.000Vp-p
19
V+
0.1
54.00Vp-p
20
Q513
B
(1.3)[1.2]
C
0
E
(1.9)[1.8]
Q515
B
1.5
C
1.8
E
1.0
Q516
B
(134.8)[134.9]
C
0.8
E
135.2
Q600
B
0.1
C
15.0
E
0
Q607
S
145.0
G
-0.1
D
*
Q608
S
-0.1
G
4.6
O
144.6
Q609
B
0.6
C
0.1
E
0
Q612
B
0
C
7.0
E
0
Q613
B
7.0
C
0
E
7.0
Q614
B
0
C
0.6
E
0
Q617
B
2.4
C
0
E
2.4
Ref
Pin No.
Voltage[v]
IC1900
I
3.2
G
0
O
2.9
H4 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
Q3901
B
0
C
3.2
E
0.2
Q3902
B
0
C
1.9
E
1.9
H7 BOARD VOLTAGE LIST
– 52 –
KV-SW252M50/M80
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q5901
B
2.6
C
8.9
E
1.9
Q5902
B
135.7
C
68.3
E
136.0
Q5903
B
2.6
C
5.0
E
(2.0)[1.9]
Q5904
B
5.0
C
0
E
5.4
Q5905
B
5.8
C
8.9
E
5.4
VM BOARD VOLTAGE LIST
Q5906
B
0.2
C
68.3
E
0
Q5912
B
3.9
C
8.2
E
3.3
Q5913
B
8.2
C
6.1
E
8.9
Q5914
B
6.1
C
8.9
E
5.4
C BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
IC751
1
(1.8)[1.9]
1.520Vp-p
PAL
1
1.600Vp-p
NTSC
1
2
1.8
1.520Vp-p
PAL
2
1.360Vp-p
NTSC
2
3
1.8
1.560Vp-p
PAL
3
2.160Vp-p
NTSC
3
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
4
0
5
(4.2)[4.5]
6
*
7
(138.0)[137.4]
128.0Vp-p
PAL
4
152.0Vp-p
NTSC
4
8
(135.9)[135.4]
128.0Vp-p
PAL
5
106.0Vp-p
NTSC
5
9
(135.2)[133.7]
120.0Vp-p
6
IC1801
1
7.0
2
0
3
(2.6)[2.5]
4
0
5
6.1
6
4.8
7
5.0
8
0
9
12.6
J751
KR
(138.8)[138.3]
KB
(134.5)[135.8]
KG
(136.0)[134.4]
H2
0
H1
0
Q1800
B
3.5
C
0
E
4.2
Q1801
B
0
C
4.8
E
0
Q1802
B
0.3
C
1.8
E
0
Q1804
B
1.5
C
3.9
E
0.9
KV-SW252M50/M80
RM-GA002
KV-SW252M50/M80
RM-GA002
NOTE:
The circuit indicated at left contains high voltage of over
1220 Vp-p. Please pay attention when inspecting or
repairing it to prevent an electric shock.
The circuit indicated at left contains high voltage of over
1220 Vp-p. Please pay attention when inspecting or
repairing it to prevent an electric shock.
[Processor, Audio, Power Supply, Deflection, Tuner, Jack, Heat Sink ]
A
4-5.
PRINTED WIRING BOARDS
PRINTED WIRING BOARDS
– 53 –
– 54 –
– A Board –
R210
R211
CN002
R212
1
4
CN003
1
7
CN004
R020
1
CN005
R023
R217
R024
R218
R600
1
9
CN009
R025
R601
R219
JR1081
J901
R026
R603
R604
R605
R029
R606
CN202
1
6
CN203
1
4
R607
R220
CN010
1
5
SWF100
CN204
1
3
R221
SWF101
G O1
O2
I1
I2
CN011
8
1
1
3
CN208
R030
CN014
7
CN015
1
7
1
8
CN016
9
CN017
R229
R613
R038
R039
R230
C001
C002
R232
C003
R233
CN600
R234
CN601
R041
C005
R235
CN602
C006
R042
R236
CN603
C007
R237
C008
R044
R238
CN605
1
3
9
TU101
C009
R045
R622
11
TU102
R046
R048
C200
JR1681
C201
C202
JR1683
C203
JR1684
C204
R240
X001
C011
C205
R241
C012
C206
R242
C013
C207
C208
C014
C015
R051
C209
R247
R248
C018
C019
R056
R058
C210
C211
CN619
1
5
TP101
C212
C213
R638
C020
C214
R639
C021
C215
C022
C216
C023
C217
1
3
CN620
C600
C024
C218
R060
C025
C219
C601
R061
C026
C602
C603
TH600
C028
C604
TH601
C029
C605
R642
C606
C607
C220
C608
L690
C221
C609
C030
C031
C032
C034
C610
TP502
C036
C613
C037
C614
C038
R651
C615
C616
R652
R653
R654
C230
C619
C231
C232
R657
C040
C234
C235
C041
R659
C042
C236
C237
C238
C044
C046
C623
R660
C048
R661
C049
C626
R662
C627
C628
R664
R088
R089
R665
C629
C050
R669
C051
C052
C053
C630
C054
C631
C055
C632
C056
C633
C057
R670
C058
C635
R095
R672
C636
R096
C637
A503
R673
R097
C638
R098
C639
R675
R099
R676
R677
R678
R679
C061
D002
D003
C063
RY600
C064
Q100
RY601
D005
C065
B
C
Q102
RY602
RY603
Q103
D007
C068
Q104
JR1100
JR001
R681
C069
A511
C646
JR1102
JR002
C647
JR003
R5000
R684
D200
JR004
R5001
C649
D201
R5002
D202
JR006
R686
R5003
D203
JR007
R687
D204
JR008
C070
Q300
R5005
JR1109
C071
D205
JR009
R5006
D206
C072
C073
R5008
D209
Q111
R5009
C652
C653
C077
JR010
R690
C654
L100
L101
C079
C655
L102
JR013
L103
L104
D210
C658
R694
R5010
JR014
L105
D211
R695
R5011
R696
D212
R5012
L106
D213
R5013
D5018
JR018
C080
R698
R5014
R5015
Q505
G
S
C081
JR019
IC001
R699
R5016
G
S
Q506
R5017
D023
IC003
C083
D024
C084
D600
C085
D025
C661
C662
C663
C088
C089
C665
JR022
C666
+
-
D607
C667
R5020
JR024
JR600
C668
IC200
1
12
R5021
Q511
B
E
JR025
R5022
JR026
JR603
Q513
R5023
JR027
R5024
JR028
C090
L501
R5025
C091
JR029
Q515
C092
Q516
R5026
R5027
L503
C093
C094
R5028
C670
Q900
R5029
C095
Q901
C096
Q902
C097
D613
L507
C098
D614
JR030
JR032
JR033
JR034
C678
R5030
JR035
R5031
C679
JR1135
JR036
R5032
R5033
JR038
R5034
L511
R5035
R5036
L513
L514
C680
L515
C681
IC602
1
9
10
18
D622
C682
C683
IC603
1
4
5
8
L518
C684
IC604
I
O
D625
L519
IC605
C685
T601
D626
I
O
G
IC606
L902
C686
D627
IC607
T603
D629
T605
C690
FB100
IC610
C691
D631
C692
D632
D633
C5073
D057
C693
D058
FB105
D059
C695
D635
+
-
D636
C696
C697
+
-
D637
R5050
C698
D638
R5051
C699
D060
D061
D062
D064
D640
R100
D065
D066
D067
R103
D068
D644
D069
W502
R106
W503
D647
R107
R6000
D648
R108
FB501
R6001
R109
A6071
FB502
R6004
D070
D071
R6005
R301
D072
R6006
R6007
D073
R303
R6008
R110
R304
D651
A6079
R305
R111
R6009
D652
R306
R112
D653
R113
R114
D654
R115
D655
R309
R116
D657
R500
R6010
D658
R118
D659
R6011
R119
R6012
R6013
W900
R6014
R310
CN100
R6015
R505
R311
R506
R6016
R312
R507
R6017
R313
D660
R508
VD600
R314
R6019
D661
R509
VD601
R315
R121
VD602
R316
D662
D663
R317
D664
D665
JR1181
D666
R126
D667
R127
D668
R6020
R510
R128
R511
R6021
R6022
JR1186
R6023
R6024
R515
R6025
R6026
R322
R6027
R323
R6028
R900
R6029
R519
R131
R901
R326
R902
R327
R903
R904
1
8
CN501
R905
R906
CN503
1
7
R907
R6030
CN504
R520
R908
CN505
1
4
R909
R522
1
7
CN507
R523
C100
CN509
R525
C101
JR1582
R526
C102
R527
C104
R910
R336
C106
R912
R337
C107
R913
1
CN510
R338
C108
R914
R339
R915
C109
CN512
1
3
R146
R916
R917
C300
R148
R531
C301
R149
R919
R532
C302
R533
C303
R534
R340
C304
R535
L581
R341
C305
C111
C112
C306
CN903
1
4
C307
C113
CN904
1
5
C308
R150
R920
R539
CN905
1
7
1
C309
C115
R921
R922
C116
R923
R153
C117
CN907
1
3
R154
JR1980
C118
R924
R155
C119
R925
R156
C502
TH500
C504
C310
R928
C311
R929
R542
C506
C507
R543
C120
C315
R546
C316
C318
R930
R549
C319
R931
R355
R356
C510
C512
C513
C320
R550
C514
C321
R551
R552
C322
R553
C323
C517
R360
R554
C324
C900
R555
C325
C519
C131
C901
R361
R556
C326
C132
C902
R362
R363
C327
R557
C133
C903
C328
R940
R364
C329
R941
C135
R365
TP602
C136
R942
C906
TP603
C137
C907
TP604
C138
C908
TP605
C521
C139
R945
C909
R946
C523
R947
R560
R948
S501
R949
R562
S502
C527
C140
C528
C910
A200
C141
R565
C911
C142
C912
R567
C913
R568
R950
C914
R569
R951
C915
C916
TP02
R952
TP03
R953
C917
C530
TP04
C918
R954
R379
C531
C919
R955
C532
C533
R957
C534
R570
R571
C536
R573
C537
R380
C538
R574
C539
C921
R381
C922
R382
R577
R383
R578
R384
R579
R386
R387
C540
C928
R388
R389
DY1
C929
Q001
Q002
R580
A604
R581
CT131
C546
R582
R583
R584
R390
A608
C548
D100
C930
R585
Q009
R586
D102
R392
R587
R393
R588
R589
R395
CT139
R971
D105
Q202
R972
R396
D106
R973
Q203
R397
D107
C550
D108
R974
C551
D109
R975
C552
Q012
R976
C553
Q013
R590
C554
R591
Q015
C556
Q016
C557
R593
L003
Q017
D110
R594
C558
L004
D111
C559
L005
R596
L006
R597
L007
L008
R599
L009
C561
D504
L010
C564
Q600
C565
L011
C566
L012
C567
L013
JR500
C568
D509
JR502
JR503
G
S
Q607
G
S
Q608
C954
E
B
Q609
R992
C956
R993
C957
C570
R994
C958
C959
C572
C573
D513
C574
PH601
1
2
3
4
PH602
1
2
3
4
Q612
D517
C577
Q613
A637
D518
C578
L600
Q614
D900
C960
A638
D519
D901
C961
Q616
C962
D902
Q617
D903
Q618
D905
D906
D907
C580
D908
C581
D521
D522
IC502
D523
IC503
1
2
6
7
C584
T501
C585
L031
D527
C587
T503
L033
C588
T504
D528
D529
T505
D911
L035
C589
T506
L036
D912
T507
L037
D913
T508
L038
FL600
C975
FL601
D915
L039
W001
D916
FL602
W002
W003
D917
FL603
D530
R2644
FL604
C590
FL605
D919
C591
JR911
D532
C592
FL606
C593
D533
FL607
L040
C594
C595
D536
C596
D537
C597
C598
D920
D921
C599
D922
R001
R002
R003
R004
R005
D545
D546
D547
D548
D356
PS600
R200
PS601
R201
PS602
R202
PS603
R203
D550
R010
R204
D551
R011
R205
CF101
R012
W602
W603
R207
FB600
W604
R014
R208
R015
W605
FB601
FB602
1-867-105-11
PH R
SP R
GND
GND
SP L
PH L
3.3V
GND
LED G
LED R
GND
SIRCS
KEY
GND
7V
11V
GND
30V
LSL OUT
LSR OUT
MUTE
GND
7V
11V
VM
GND
9V
GND
NC
+B
+B
GND
32
33
128
97
64
65
R1
GND
AFT
GND
1
4
5
8
SCL
SDA
FSC
RESET
SY-IN
GND
SU-IN
GND
SV-IN
SEL-IN
HP OUT
VP OUT
DVDU-IN
GND
DVDV-IN
R IN
GND
L IN
GND
CV IN
1
DVDY-IN
GND
TV OUT
GND
TVR
TVL
GND
Y IN
C IN
MON
MUTE
7
DVD-RIN
DVD-LIN
GND
AUDIO VCC
AUDIO VCC
GND
4
1
8
5
4
B CLK
B DAT
B INT
GND
AGC
96
9V
IK
GND
R OUT
G OUT
B OUT
GND
IK
GND
R OUT
G OUT
B OUT
GND
I
O
1
2
1
3
1
2
3
1
AC IN
AC IN
DGC
DGC
DGC CHK
DGC CHK
PFC IN
PFC OUT
POWER SUPPLY
ROT SW
ROT CTRL
15V
5V
VD+
GND
1
6
VD+
11V
FBP
GND
GND
NC
135V
200V
GND
NC
H1
DEFLECTION
FBT
1
2
3
4
5
6
7
8
9
10
11
13
14
V+
V-
H-
H-
H+
H+
12
13
B
F
G
IL
IH
H+
135V
GND
GND
H1
FBP
ABL
40
50
20
70
80
90
01 02
GND
GND
SMART
NC
NC
-15V
H DY-
9V
-
-
ROT SW
-
MUTE
-
HCT
DF
DF
GND
R IN
GND
L IN
GND
GND
COMB Y
COMB C
-
-
GND
11V
R995
C976
R996
R009
R008
W004
W606
Q512
D617
+
-
E
B
D103
C143
A002
C648
6
1
1
4
5
A6070
C621
C620
JR1101
C004
R006
D006
R007
C010
CN606
CN607
CN608
MSENSE
SSENSE
PVCC
DH
DL
PGND
SVCC
PCONT
BIAS
MAIN-ON
SGND
CN906
D5007
C650
C651
C656
C659
C660
C657
R399
Q018
W504
L512
L032
FB002
FB003
FB004
FB001
A001
1
4
1
4
1
5
A5018
R300
C033
A505
A635
C099
FB005
JR039
C622
C624
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
KV-SW252M50/M80
RM-GA002
KV-SW252M50/M80
RM-GA002
PRINTED WIRING BOARDS
[RGB AMPLIFIER, ROTATION CIRCUIT, LANDING CORRECTION CIRCUIT]
C
[FRONT PANEL]
H
7
[DVD TERMINAL]
J
3
– H7 Board –
– C Board –
– H4 Board –
– VM Board –
– J3 Board –
[VELOCITY MODULATION]
VM
[AC SWITCH]
H
4
– 55 –
– 56 –
EB
1
6
1
3
B
E
E
B
1
3
B
E
1
12
E
B
B
E
E
B
B
E
E
B
(TO A CN003)
(TO DL CN8802 & TO D3 CN2802)
(TO VM COIL)
NC
NC
NC
NC
CY+
CY-
NC
R3
(1-724-646-13)
1-863-252-13
QP-
QP-
QP+
E
E
VM
VM
QP+
QP+
NC
QP-
VM
GND
9V
GND
NC
+B
R5914
R5900
C5916
Q5901
R5921
R5905
C5923
C5909
CN2801
R5947
R5925
R5908
C5910
CN5904
R5950
R5919
R5903
Q5914
C5908
A5902
R5936
R5918
D5907
C5918
Q5903
R5929
R5909
D5902
C5911
C5901
FB5900
R5951
R5920
R5904
C5920
Q5904
A5906
R5937
R5915
D5905
Q5912
C5906
R5922
R5906
Q5905
CN5901
R5948
R5913
C5915
C5905
R5916
D5906
C5917
Q5902
R5911
C5913
C5903
L5902
R5910
D5903
C5912
C5902
L5901
R5952
R5917
R5902
Q5913
C5907
R5912
D5904
C5914
C5904
L5903
R5923
R5907
D5901
Q5906
CN5903
R5949
R3620
VD3600
R3621
R3622
R3623
R3624
R3625
R3626
R3627
T3600
J2410
JW2400
JW2401
J3400
JW2410
JW2411
JW2412
J3603
JW2415
JW2418
JW2419
JW2420
JW2421
C2400
C2401
1
8
CN2410
1
8
C2410
C2411
C2412
C2413
C2414
D2410
D2411
D2412
D2414
R2410
D2415
R2411
R2412
R2414
R2415
R2417
R2418
R2419
R2420
R2421
1
3
CN3400
1
CN3600
C3614
C3615
D3400
D3401
D3402
D3403
GND
GND/3D-IN
3D+IN
GND-CENTRE
CENTRE IN-L
CENTRE IN-R
DVD Y
GND
DVD BY
GND
DVD RY
DVD L
DVD R
GND
(1-726-093-11)
1-867-111-11
R1
1
1
3
3
L3901
L3902
L3903
JW3904
JW3905
JW3914
CN3901
1
4
CN3902
9
CN3903
1
6
CN3905
1
7
CN3906
1
3
1
5
CN3907
C3900
C3901
C3902
C3903
1
3
CN3910
1
8
CN3911
E
B
Q3901
E
B
Q3902
Q3903
C3910
C3911
C3914
C3916
C3917
C3918
C3920
C3921
C3922
C3923
D3902
D3903
D3904
D3905
D3908
R3904
R3905
R3907
IC3900
R3908
R3909
D3912
D3913
D3914
R3910
D3915
R3911
D3916
R3912
R3914
R3915
R3916
R3920
R3924
R3925
R3926
S3902
R3927
S3903
R3928
S3904
R3929
S3905
S3907
S3908
S3909
R3930
R3931
R3932
R3933
R3934
R3935
R3936
J3903
J3904
J3905
SP GND
SP GND
PH
L IN
SP
L IN
SP
GND
SP GND
SP
R IN
PH
R IN
3D IN
3D IN
GND
3D OUT
W GND
W GND
V
L
R
R IN
L IN
GND
CV IN
GND
STBY
3.3V
GND
LED G
LEG R
SIRCS
GND
KEY
LED G
LED R
GND
SIRCS
IN
3.3V
SEN
1-867-110-11
(1-726-093-11)
R1
CH+
CH-
VOL+
VOL-
VIDEO
MENU
SOUND MODE
GND
GND
NC
MICIN
GND
MICSW
MICSW
9V
R3937
C3924
C3926
C3929
J3906
R3940
D3917
C3925
JR3901
R3945
C3928
R3944
D3919
R3946
R3941
R3939
R3942
D3918
R3943
C3927
Q3904
R3938
SP
L OUT
R OUT
SP
1
GND
MICIN 2
1
6
CN3908
1
5
CN3909
A3900
J3901
MIC 1-
SW
MIC 2-
SW
1
6
B
E
1
10
1
10
1
5
B
E
1
9
1
9
1
7
1
7
1
3
1
4
E
B
2
1
8
9
RCV
G4
G2
G1-1
G1-2
KB
KG
KR
G1-3
1
11
10
9
8
7
4
3
13
H1
H2
6
5
1-863-250-13
(1-724-646-13)
R3
B OUT
G OUT
R OUT
GND
1K
9V
200V
GND
H1
LC(B)
LC(E)
GND
7V
11V
N/S
COIL-
NC
N/S
COIL+
VD+
GND
5V
15V
ROT
CTRL
ROT
SW
GND
GND
GND
GND
GND
1000V
11V
D750
R3806
R3807
D754
R3808
D755
D756
R3810
R3811
R3813
R3814
R3815
R3816
D780
D781
D782
D783
D784
D785
D786
D787
J751
A703
A704
A705
A706
A707
A708
JW1821
RV750
RV1800
A1800
SG700
SG701
A751
C1800
C1803
L750
C1804
L751
L752
L753
L754
C1809
R713
CN704
D1803
D1804
R1800
R1801
R1802
R1803
D1808
L780
JW3815
R1811
R1812
R1821
R1822
R1823
R1824
R1825
R1826
R752
R753
R754
R756
R757
R758
R760
R763
R764
R765
JW1713
R773
R774
R775
R776
R777
R778
A3800
R780
R781
R783
R787
C751
C752
C753
C754
C756
R794
R795
C759
R796
R797
EY703
EY704
EY705
EY706
EY707
JW1751
C781
C782
C783
C784
C3800
C785
C3801
C786
C3802
C787
C791
JW752
JW753
JW754
D3800
D3801
JW1804
JW1826
R1808
C788
R766
R1830
R3802
R785
R1827
R3805
R1816
R3800
C790
R786
R1828
R3817
R3812
R3801
R1814
R3809
R767
R1813
R1806
R1809
R3819
R1829
R3818
R1815
R1805
C789
R784
R768
R1810
R3804
Q3802
Q1804
Q701
Q1800
Q1801
Q3800
Q1802
CN1801
CN1802
CN3800
CN703
CN705
CN706
CN702
CN707
CN701
IC1800
IC1801
IC3800
IC3801
IC751
D
A
B
C
J752
1
5
CN1900
D1900
D1901
D1902
D1903
O
VCC
IC1900
A1900
VD601
CN1651
CN1652
S1650
G
LED
R
LED
GND
IN
SIRCS
SEN
3.3V
1-867-109-11
(1-726-093-11)
R1
AC OUT
AC OUT
AC IN
AC IN
C1900
C1901
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