Sony KV-XG25M50 Service Manual ▷ View online
– 67 –
KV-XG25M50
RM-952
VM1 BOARD VOLTAGE LIST
Ref
Pin No
Voltage[v]
Q5901
B
2.7
C
8.9
E
2.0
Q5902
B
135.2
C
81.2
E
135.2
Q5903
B
2.7
C
4.6
E
2.0
Q5904
B
4.6
C
0
E
5.1
Q5905
B
5.6
C
8.9
E
5.1
Q5906
B
0.4
C
81.3
E
0.1
Q5907
B
0
C
0.2
E
0
Q5908
B
3.4
C
0
E
0
Q5909
B
0
C
8.9
E
3.4
Ref
Pin No
Voltage[v]
IC1800
1
6.4
2
6.4
3
6.4
4
6.4
5
0
6
6.4
7
6.4
8
6.3
9
6.3
10
12.7
J701
G2
312.7<310.2>
H2
0(0.7)
KB
155.9(152.8)<148.6>
KG
148.7(145.9)<142.3>
KR
152.2(148.7)<145.2>
GI
3
Q701
B
154.4<149.2>
C
204.2
E
156.6<150.6>
Q702
B
148.8<143.5>
C
204.4
E
149.3<143.7>
C6 BOARD VOLTAGE LIST
Q703
B
150.9<145.7
C
203.6
E
151.8<146.7>
Q704
B
8.9
C
155.1(153.6)<149.2>
E
8.4
Q705
B
8.9
C
148.9<143.5>
E
8.4
Q706
B
8.2
C
151(149.2)<145.6>
E
7.7(8.3)
Q707
B
155.8<150.4>
C
4.4(5.2)
E
153.4<148.1>
Q708
B
148.6<146.6>
C
4.9
E
149.2<144.3>
Q709
B
151.6<146.6>
C
4.9
E
149.2<144.3>
Q710
B
1.6(8.4)<1.7>
C
8.4(8.9)
E
1.2
Q711
B
1.8
C
8.4
E
1.4
Q712
B
1.7
C
8.4
E
1.3
Q714
B
0.7
C
0.2
E
4.8
Q1800
B
3.9
C
0
E
4.6
Q1802
B
0.1
C
6.3
E
0
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
– 68 –
KV-XG25M50
RM-952
5-5. WAVEFORMS
C6 BOARD WAVEFORMS
SECAM
PAL
122Vp-p (H)
125Vp-p (H)
PAL/SECAM
NTSC
SECAM
115Vp-p (H)
4
3
2
2
1
1
1
3
PAL/NTSC
140Vp-p (H)
NTSC
113Vp-p (H)
PAL : 122Vp-p (H)
118Vp-p (H)
SECAM :
23.1Vp-p (H)
PAL/NTSC :
22.8Vp-p (H)
SECAM :
PAL :
NTSC : 126Vp-p (H)
NTSC : 126Vp-p (H)
135Vp-p (H)
A BOARD WAVEFORMS
4.9Vp-p (V)
1.8Vp-p (V)
SECAM
NTSC
PAL
3.5Vp-p (H)
3.5Vp-p (H)
3.6Vp-p (H)
2.0Vp-p (V)
924Vp-p (H)
134Vp-p
0.7Vp-p (V)
PAL/SECAM
NTSC
0.9Vp-p (H)
PAL
0.7Vp-p (H)
3.5Vp-p (H)
NTSC
SECAM
3.7Vp-p (H)
4.1Vp-p (H)
PAL
SECAM
NTSC
1.3Vp-p (H)
1.3Vp-p (H)
1.3Vp-p (H)
1
2
3
4
5
6
7
8
8
9
10
11
11
11
12
12
12
13
13
13
14
15
16
0.8Vp-p (H)
0.6Vp-p (H)
PAL :
SECAM :
0.7Vp-p (H)
1.0Vp-p (H)
3.9Vp-p (H)
3.6Vp-p (H)
PAL/SECAM :
NTSC :
1.8Vp-p (V)
0.8Vp-p (H)
KV-XG25M50
RM-952
KV-XG25M50
RM-952
7
A
1
2
3
4
5
6
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
– 69 –
– 70 –
PRINTED WIRING BOARDS
– A Board –
NOTE:
The circuit indicated at left contains high voltage of over
1220 Vp-p. Please pay attention when inspecting or re-
pairing 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 re-
pairing it to prevent an electric shock.
5-6. PRINTED WIRING BOARDS AND PARTS LOCATION
A
[SYSTEM CONTROLLER, Y/C JUNGLE,
DEFLECTION, TUVIF, FRONT AMP, POWER SUPPLY]
DEFLECTION, TUVIF, FRONT AMP, POWER SUPPLY]
A BOARD
IC
IC001
B-10
IC002
D-10
IC003
A-9
IC100
B-4
IC201
B-12
IC203
B-4
IC301
B-6
IC302
D-7
IC502
E-6
IC503
J-5
IC601
J-8
IC602
H-7
IC603
E-8
IC604
D-10
IC901
I-13
Q001
C-8
Q002
B-8
Q005
B-9
Q101
B-4
Q201
A-11
Q202
A-11
Q203
C-11
Q204
C-11
Q205
A-12
Q206
A-11
Q207
A-12
Q301
A-8
Q302
C-6
Q303
D-6
Q304
B-6
Q305
C-6
Q306
D-6
Q307
D-6
Q308
C-5
Q309
D-7
Q310
D-7
Q311
D-9
Q312
B-7
Q313
B-8
Q314
D-8
Q315
B-4
Q316
B-5
Q317
B-5
Q401
D-2
Q402
D-1
Q403
C-3
Q404
D-2
Q501
D-6
Q502
E-7
Q503
F-6
Q505
D-6
Q506
E-2
Q507
H-6
Q509
F-6
Q511
F-1
Q600
D-12
Q601
F-11
Q602
I-7
Q603
I-7
Q604
H-6
Q605
E-12
TRANSISTOR
Q606
F-11
Q607
H-13
Q608
D-12
Q901
H-13
Q902
H-13
D001
B-8
D003
C-9
D004
D-8
D005
B-8
D006
A-3
D007
B-8
D008
B-8
D009
B-8
D100
B-4
D203
C-11
D300
A-9
D301
B-9
D303
B-5
D304
B-5
D305
B-5
D306
C-5
D307
C-5
D308
B-5
D309
D-5
D312
C-5
D313
A-8
D314
A-9
D315
B-7
D317
B-9
D319
B-6
D320
C-5
D321
B-6
D322
B-6
D401
C-2
D402
D-2
D403
C-2
D404
C-2
D405
B-1
D406
B-1
D407
C-2
D408
B-1
D409
A-1
D504
D-5
D505
H-6
D506
F-6
D507
F-6
D508
I7
D509
F-6
D510
F-5
D511
F-5
D512
G-5
D513
I-5
D517
F-2
D518
F-2
D519
F-2
D520
E-5
D521
I-4
D522
J-4
D523
H-4
D525
F-5
D526
F-6
D527
F-3
D528
F-3
D529
F-5
DIODE
D531
E-6
D533
D-2
D534
E-6
D600
G-13
D601
I-8
D602
G-13
D603
F-11
D604
J-7
D605
G-10
D606
E-11
D607
F-10
D608
F-11
D609
H-8
D610
J-8
D611
I-7
D612
F-8
D613
I-7
D616
E-9
D617
F-8
D618
F-9
D620
D-8
D621
F-9
D622
F-8
D623
F-12
D624
F-12
D625
D-12
D627
F-8
D628
G-5
D629
F-9
D630
E-10
D631
G-10
D632
F-12
D633
E-12
D634
F-11
D635
F-12
D636
D-12
D637
F-11
D638
E-11
D651
E-7
D901
C-13
D902
C-13
D903
C-13
D904
C-13
D905
F-13
D906
H-13
KV-XG25M50
RM-952
KV-XG25M50
RM-952
– 71 –
– 72 –
PRINTED WIRING BOARDS
[RGB OUT PICTURE ROTATION]
C
6
– C
6
Board –
H
2
[CONTROL PANEL]
– H
2
Board –
– VM
1
Board –
[VELOCITY MODULATION]
VM
1
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