Sony KV-XA21M30 Service Manual ▷ View online
– 74 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
C BOARD WAVEFORMS
A BOARD WAVEFORMS
4.8Vp-p (V)
5.0Vp-p (V)
1.0Vp-p (H)
194Vp-p
110Vp-p
1.2Vp-p (H)
0.9Vp-p (H)
PAL/SECAM
3.2Vp-p (H)
3.2Vp-p (H)
NTSC
1.4Vp-p (H)
3.2Vp-p (H)
1
2
3
4
6
5
6
7
8
11
12
12
13
14
15
1.2Vp-p (H)
4.4Vp-p (V)
10
9
1.4Vp-p (H)
16
1.5Vp-p (V)
PAL/SECAM
NTSC
1.0Vp-p (H)
3.5Vp-p
0.9Vp-p (V)
PAL/SECAM
NTSC
4
1.2Vp-p (H)
PAL
25Vp-p (H)
89Vp-p (H)
NTSC 3.58
NTSC 4.43
75Vp-p (H)
4
2
2
2
1
2
3
SECAM
93Vp-p (H)
PAL/SECAM :
NTSC : 86Vp-p (H)
95Vp-p (H)
80Vp-p (H)
90Vp-p (H)
5-5. WAVEFORMS
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
7
A
1
2
3
4
5
6
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
– 75 –
– 76 –
5-6. PRINTED WIRING BOARDS AND PARTS LOCATION
[SYSTEM CONTROLLER, Y/C JUNGLE,
DEFLECTION, TUVIF, FRONT AMP, POWER SUPPLY]
DEFLECTION, TUVIF, FRONT AMP, POWER SUPPLY]
A
– A Board –
PRINTING WIRING BOARD
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
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.
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
– 77 –
– 78 –
[AUDIO PROCESSOR, AUDIO AMP,
SUB TUNER, AV IN/OUT, VM DRIVER]
SUB TUNER, AV IN/OUT, VM DRIVER]
C
1
– C1 Board – (KV-XA21M30/XA21N90)
[FRONT AV IN, SENSOR, POWER SW]
F
PRINTING WIRING BOARD
– C1 Board – (KV-XA21M63 only)
– F Board – (KV-XA21M30/XA21N90)
– F Board – (KV-XA21M63 only)
– 79 –
KV-XA21M30/XA21M63
RM-952
KV-XA21N90
RM-915
[HEADPHONE PANEL]
H
4
– H4 Board – (KV-XA21M63 only)
PRINTING WIRING BOARD
[3D TERMINAL]
J
3
[3D WOOFER AMPLIFIER]
K
2
– K2 Board – (KV-XA21M63 only)
– J3 Board – (KV-XA21M63 only)
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