Sony KV-27FV300 Service Manual ▷ View online
— 38 —
KV-27FV300/29FV300/32FV300/36FV300
A BOARD TRANSISTOR VOLTAGE LIST
B
C
E
B
C
E
Q001
0.0
0.4
5.0
Q400
0.0
0.0
GND
Q002
4.4
9.0
3.8
Q401
0.0
0.0
GND
Q003
0.7
0.0
GND
Q402
0.0
0.0
GND
Q004
0.0
4.3
GND
Q403
0.0
0.0
GND
Q005
0.1
4.9
GND
Q404
0.0
9.1
GND
Q010
4.3
GND
4.9
Q405
0.0
9.1
GND
Q110
4.8
0.0
5.0
Q406
0.0
9.1
GND
Q300
4.6
GND
5.2
Q407
0.7
0.0
GND
Q304
5.0
9.0
4.4
Q501
0.0
123.6
GND
Q305
5.0
0.0
3.4
Q502
0.0
131.8
0.0
Q306
2.0
9.0
2.3
Q507
0.3
110.7
GND
Q307
1.5
GND
2.2
Q511
-13.5
-8.4
-15.0
Q308
1.5
GND
2.2
Q512
-14.9
-2.0
-15.0
Q309
1.5
GND
2.2
Q530
0.0
4.4
GND
Q314
0.0
3.4
GND
Q531
4.4
0.0
4.4
Q315
3.4
GND
4.1
Q532
133.6
0.0
133.8
Q316
6.4
2.7
7.1
Q561
0.0
4.4
GND
Q317
0.0
3.9
GND
Q562
0.0
0.0
GND
Q319
0.6
0.6
GND
Q590
0.0
3.6
GND
Q325
2.6
6.4
1.9
Q6000
0.6
1.2
GND
Q326
2.7
GND
3.4
All voltages are in V.
KV-27FV300/29FV300/32FV300/36FV300
— 39 —
BC BOARD SCHEMATIC DIAGRAM
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52
53 54
55
56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
6
1
2
3
4
6
I
O
G
I
O
G
EM
I
EM
I
EM
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
I
O
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
6
1
2
3
4
6
C3530
C3549
C3551
C3558
R3534
C3517
C3563
C3564
C3560
C3547
C3555
C3509
C3511
C3518
C3525
C3548
C3556
C3506
C3507
C3512
C3515
C3516
C3519
C3524
C3528
C3531
R3552
R3528
R3551
R3550
R3558
R3573
R3514
R3517
R3518
R3532
R3535
R3527
R3510
R3511
R3521
R3522
R3545
R3561
R3588
R3554
R3568
R3509
R3523
R3531
R3544
R3557
R3560
R3515
R3516
R3525
R3549
R3553
R3566
R3569
R3520
R3530
R3547
R3565
R3555
R3571
R3556
R3570
R3524
R3526
C3513
R3505
R3506
R3507
R3508
R3519
R3548
R3559
R3563
R3564
FL3504
FL3505
FL3506
FL3500
FB3502
FB3503
FB3504
FB3505
FB3506
FB3507
FB3508
L3500
L3501
L3502
L3503
L3504
L3505
X3500
C3398
C3355
R3369
R3373
C3361
C3370
C3359
C3360
R3301
R3302
C3583
C3585
C3581
C3582
C3590
R3540
R3541
FL3501
R3542
R3543
R3538
FB3509
R3582
FL3502
FL3503
C3357
R3364
R3366
R3365
L3352
C3543
R3572
C3527
C3522
R3303
R3539
D3550
R3529
C3535
C3532
C3536
C3510
C3505
C3504
C3541
C3542
C3538
C3546
C3356
C3550
C3552
C3561
C3562
C3565
C3566
C3557
C3559
C3554
C3553
C3514
C3539
C3533
C3534
C3537
JR3501
JR3302
JR3301
CN3500
IC3505
IC3504
C3529
C3526
C3523
C3521
C3520
R3567
IC3503
IC3501
Q3501
Q3502
Q3503
Q3506
Q3504
Q3505
Q3508
Q3509
Q3510
Q3511
Q3512
Q3513
Q3515
Q3516
Q3517
Q3590
Q3500
Q3514
C3358
C3369
C3371
C3580
IC3502
R3580
2.2
0.001
:CHIP
:CHIP
68k
:CHIP
100
:CHIP
39p
:CHIP
10
0.1
:CHIP
0.01
:CHIP
47 :CHIP
47 :CHIP
100
470
0.1
16V
F
0.1
16V
F
0.1
16V
F
0.1
16V
F
0.1
16V
F
0
0.1
16V
F
0.1
16V
F
330
6.3V
0.1
16V
F
0.1
16V
F
0.1
16V
F
0.1
16V
F
0.1
16V
F
47
16V
0.1
16V
F
220
10V
0.1
16V
B
47
16V
47
16V
220
10V
0.1
16V
B
47
16V
47
16V
47
16V
47
16V
0.1
16V
B
220
10V
220
10V
0.1
16V
B
0UH
0UH
0UH
0UH
0UH
0UH
0UH
0UH
0
0
1k
1/16W
470
1/16W
470
1/16W
100
1/16W
1.8k
1/16W
1.8k
1/16W
100
1/16W
100
1/16W
0
4.7k
1/16W
470
1/16W
470
1/16W
1k
1/16W
47k
1/16W
2.2k
1/16W
220k
1/16W
220
1/16W
560
1/16W
4.7k
1/16W
1k
1/16W
100
1/16W
1k
1/16W
100
1/16W
1k
1/16W
1k
1/16W
5.6k
1/16W
560
1/16W
1k
1/16W
1k
1/16W
560
1/16W
4.7k
1/16W
0
2.2k
1/16W
820
1/16W
560
1/16W
180
1/16W
2.2k
1/16W
820
1/16W
12k
1/16W
33k
1/16W
1k
1/16W
47
1/16W
0
1k
1/16W
560
1/16W
0
0
4.7k
1/16W
2.2k
1/16W
820
1/16W
2.2k
1/16W
33k
1/16W
12k
1/16W
47
1/16W
560
1/16W
0
0
0.47
:CHIP
100k
:CHIP
270k
:CHIP
47k
:CHIP
2200000p
6.3V
F
1k
1/16W
0.1
16VF
47 16V
10k
560
CHIP
UDZSTE-1710B
560
:CHIP
15p
CH
10
1
390p
CH
27p CH
27p
CH
33p
CH
10
15p
CH
15p
CH
10
0.01
F
0.01
F
0.01
F
0.01
F
0.01
F
0.01
F
0.01
F
0.01
F
1
0.01
F
0.01
F
15p
CH
470p
CH
1
10
0
0
0
20P
BA12T
12V REG
BA25BC0FP-E2
2.5V REG
0.1
16V
F
0.1
16V
16V
F
0.1
16V
F
27p
CH
0.1
16V
F
680
:CHIP
3.3V REG
3D COMB/HH DEC
2SD601A-QRS-TX
BUFFER
2SB709A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SB709A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SB709A-QRS-TX
BUFFER
2SB709A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD601A-QRS-TX
BUFFER
2SD1292
9V REG
2SB709A-QRS-TX
BUFFER
2SB709A-QRS-TX
BUFFER
330
47 :CHIP
0.1
:CHIP
330
TA1226N
Y/C SEP
10
1W
1W
5V
9V
9V
9V
9V
9V
5V
5V
12V
5V
2.
5
V
2.5
D2.5V
A2.5V
DGND
HI2
HI1
DVDD
AVDD
AGND
C
K
M
D
D
G
N
D
C
L
K
8
R
S
T
B
S
L
A
0
S
C
L
S
D
A
S
T
0
S
T
1
N
S
T
D
D
V
D
D
D
Y
C
O
0
D
Y
C
O
1
D
Y
C
O
2
D
Y
C
O
3
D
Y
C
O
4
D
Y
C
O
5
D
Y
C
O
6
D
Y
C
O
7
D
Y
C
O
8
D
Y
C
O
9
A
L
T
F
C
S
I
L
I
N
E
K
I
L
D
G
N
D
AVDD
CBPC
ACO
AYO
CBPY
AGND
AGND
AYI
VCL
VRBY
VRTY
AVDD
AVDD
VRTC
VRBC
ACI
AGND
DVDD
D
G
N
D
A
V
D
D
GND
COMB Y
GND
COMB C
DAT
CLK
GND
GND
GND
YIN
BLACK
B.PEAKBHOLD
B.DET
AGND
ABLIN
DCTRAIN
DAC1
DAC2
SCP-IN
CSL
SDA
DGND
OSC
AFA
12V
YOUT
VM
BOUT
DVDDRAM
DVDDRAM
TEST19
DVDDIO
TEST20
TEST21
TEST24
X1
X0
A
G
N
D
F
S
C
1
D
G
N
D
R
A
M
D
G
N
D
R
A
M
T
E
S
T
1
4
E
X
T
A
L
T
F
E
X
T
D
Y
C
O
0
T
E
S
T
I
C
1
TEST26
TEST525
R
P
L
L
T
E
S
T
I
C
2
T
E
S
T
0
1
T
E
S
T
0
2
T
E
S
T
0
3
T
E
S
T
0
4
T
E
S
T
0
5
T
E
S
T
0
6
T
E
S
T
0
7
T
E
S
T
0
8
T
E
S
T
0
9
T
E
S
T
1
0
T
E
S
T
1
1
T
E
S
T
1
2
T
E
S
T
1
3
E
X
T
D
Y
C
0
1
E
X
T
D
Y
C
0
2
E
X
T
D
Y
C
0
3
E
X
T
D
Y
C
0
4
E
X
T
D
Y
C
0
5
E
X
T
D
Y
C
0
6
E
X
T
D
Y
C
0
7
E
X
T
D
Y
C
0
8
E
X
T
D
Y
C
0
9
TEST15
TEST16
TEST17
TEST18
TEST22
TEST23
FSC0
3D-COMB-FILTER
SRT
RESET
C IN
5V
CVIN
S
S
Y-IN
SCP
GND
NC
14V
Y-OUT
FSC
CN306
TO A BOARD
BA5D-924-BC
Y/C SEP
5V
5V
3.3V
2.5V
2.5V
2.5V
2.5V
2.5V
12V
12V
9V
9V
9V
1
3
2
4
5
6
— 40 —
KV-27FV300/29FV300/32FV300/36FV300
I
C3
50
1
Q3
50
1
Q3502
Q3503
Q3
50
4
FB
35
09
Q3505
FB
35
03
FL3500
Q3
50
6
Q3
50
9
FL3501
Q3517
Q3
51
5
Q3513
Q3510
Q3514
Q3511
L3
50
3
L3501
L3502
Q3500
Q3
51
6
Q3
51
2
RV3500
L3504
L3505
FL3505
FL
35
04
FL3506
Q3
50
8
L3500
L3352
L3351
Q3590
R3373
X3
50
0
I
C
3
5
0
3
IC3504
IC3502
R3508
R3507
R3505
R3532
R3
53
8
R3567
C3544
C3541
R3
55
0
R3
55
1
R3552
R3
54
7
R3544
R3
56
5
C3
52
9
C3
52
8
C3
52
7
C3
52
4
C3509
C3
51
3
C3
51
4
R3512
R3513
R3516
R3515
R3519
R3
52
0
R3
52
1
R3524
R3
52
9
R3
52
8
R3
53
5
R3534
R3
54
1
R3
50
9
R3
52
3
R3
53
0
R3531
R3588
R3
30
1
R3
30
2
IC3505
R3
5
11
CN3500
R 3 5 8 0
FL3503
FL3508
FL3502
FL3507
C3585
C 3 3 5 6
C3398
C3
55
5
C3
54
7
C3558
C3530
C3370
C3554
C3536
C3537
C3522
C3532
C3534
C3
54
9
C3564
C3542
C3560
C3
56
3
C
3
5
8
3
C3358
C3580
C3517
C3
58
2
C 3 5 9 0
R3303
R3304
C 3 3 6 9
C3
55
1
1
30
31
50
51
80
81
100
B
E
I
O
1
-
6
8
4
-
5
9
4
-
1
1
A
-
1
4
0
0
-
4
5
0
A
1
7
2
1
1
3
9
1
1
1
A
B
C
2
3
4
[3D COMB FILTER, SRT, Y/C SEP] COMPONENT SIDE
BC
[3D COMB FILTER, SRT, Y/C SEP] CONDUCTOR SIDE
BC
1
A
B
C
2
3
4
FB3505
FB3504
Q3590
IC3505
R3364
IC3502
L3352
CN3500
R3582
R3580
Q3530
L3509
C3357
C3355
C3360
C3361
C3543
C3538
C3552
C3545
C3535
C3595
C3559
C3531
C3518
C3519
C3520
C3526
C3525
C3507
C3512
R3366
R3369
R3559
R3545
R3548
R3553
R3556
R3558
R3554
R3566
R3568
R3571
R3543
R3542
R3539
R3573
R3564
R3563
R3589
C3515
R3514
C3557
R3533
C3553
R3522
R3595
R3596
R3525
R3527
C3356
C3398
C35
55
C3547
C3558
C3530
C3370
C3554
C3536
C3537
C3522
C3549
C3564
C3542
C3560
C3358
C3580
C3517
C3582
C3590
FB3502
JR3501
C3581
L3351
D3550
JR3302
R3598
C3551
E
B
I
O
BC BOARD WAVEFORM
1
1.0 Vp-p (H)
2
0.7 Vp-p (H)
3
0.75 Vp-p (H)
4
2.16 Vp-p (H)
5
1.75 Vp-p (H)
6
1.25 Vp-p (H)
— 41 —
KV-27FV300/29FV300/32FV300/36FV300
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1&
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*1'
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
*1'
1&
,&
1&
*1'
1&
3,1
92/7
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1&
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1&
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1&
1&
2
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1&
1&
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1&
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1&
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1&
1&
3,1
92/7
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1&
3,1
92/7
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1&
1&
2
1&
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1&
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4
4
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4
4
4
4
4
4
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