DOWNLOAD Sony KV-27HS420 (serv.man2) Service Manual ↓ Size: 14.46 MB | Pages: 127 in PDF or view online for FREE

Model
KV-27HS420 (serv.man2)
Pages
127
Size
14.46 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-27hs420-sm2.pdf
Date
PREV: Sony KV-21FA310 (serv.man2) Service Manual

Sony KV-27HS420 (serv.man2) Service Manual ▷ View online

KV-27HS420/29DRC430/30HS420/32HS420/34HS420
119 
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
M BOARD SCHEMATIC DIAGRAM (2 OF 4)
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
12 
| 
13 
| 
14 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
Due to the complexity of this board, performing component level fi eld repairs is not recommended. If service is required, complete board replacement is the preferred repair method. 
Data is provided for reference only.
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
1
2
3
4
6
1
2
3
4
6
C2200
C2201
C2202
C2204
C2205
C2206
C2207
C2208
C2209
C2210
C2211
C2213
C2215
C2216
C2217
C2218
C2219
C2220
C2221
C2222
C2225
C2226
C2230
C2233
C2235
C2236
C2237
C2239
C2241
C2242
C2243
C2244
L2200
L2201
L2202
L2204
Q2200
Q2201
Q2202
Q2203
Q2204
Q2205
Q2206
Q2207
Q2208
Q2209
Q2210
Q2211
Q2212
Q2213
Q2214
Q2215
R2201
R2202
R2203
R2204
R2205
R2206
R2207
R2208
R2209
R2210
R2211
R2212
R2213
R2214
R2215
R2216
R2217
R2218
R2219
R2220
R2221
R2222
R2223
R2224
R2225
R2228
R2229
R2230
R2232
R2233
R2234
R2236
R2237
R2240
R2241
R2243
R2244
R2246
R2247
R2248
R2249
R2250
R2251
R2252
R2253
C2224
C2231
C2228
C2229
C2232
FB2200
FB2522
R2226
R2231
R2564
IC2200
C2212
C2214
C2227
C2234
C2238
C2240
C2245
L2206
C2246
R2242
R2245
R2227
R2238
R2235
FL2201
FL2202
FL2203
FL2204
R2239
L2203
L2205
C2248
X2200
R2254
R2255
R2256
Q2216
C2249
C2250
C2247
L2207
C2251
R2257
C2223
IC2201
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
47
25V
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
15p
50V
CH:1608
15p
50V
CH:1608
15p
50V
CH:1608
0.1
25V
F:1608
10p
CH:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
15p
CH:1608
0.1
25V
F:1608
0.1
16V
B:1608
220
16V
220
16V
0.1
16V
B:1608
:LB2016
:LB2016
:LB2016
:LB2016
2SB709A
BUFF
2SB709A
BUFF
2SD601A
BUFF
2SB709A
BUFF
2SB709A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SD601A
BUFF
2SB709A
BUFF
2SD601A
BUFF
1k
1/16W
:CHIP
100
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:CHIP
0
1/16W
:CHIP
0
1/16W
:CHIP
100
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:1608
560
1/16W
:CHIP
1k
1/16W
:CHIP
560
1/16W
:CHIP
4.7k
1/16W
:CHIP
1k
1/16W
:CHIP
5.6k
1/16W
:1608
470
1/16W
:CHIP
470
1/16W
:CHIP
5.6k
1/16W
:CHIP
5.6k
1/16W
:CHIP
1k
1/16W
:CHIP
2.2k
1/16W
:CHIP
10k
1/16W
:CHIP
2.2k
1/16W
:CHIP
100
1/16W
:CHIP
560
1/16W
:CHIP
2.2k
1/16W
:CHIP
220k
1/16W
:CHIP
47k
1/16W
:CHIP
1k
1/16W
:1608
1k
1/16W
:CHIP
820
1/16W
:CHIP
220
1/16W
:CHIP
820
1/16W
:CHIP
12k
1/16W
:CHIP
33k
1/16W
:CHIP
12k
1/16W
:CHIP
33k
1/16W
:CHIP
1k
1/16W
:CHIP
47
1/16W
:CHIP
1k
1/16W
:CHIP
47
1/16W
:CHIP
5.6k
1/16W
:1608
560
1/16W
:CHIP
1k
1/16W
:CHIP
100
1/16W
:CHIP
1
10V
F:1608
1
6.3V
B:1608
8p
:CHIP
8p
:CHIP
0.1
25V
F:1608
HM601
HM601
470
1/16W
:CHIP
680
1/16W
:CHIP
470
1/16W
:CHIP
3D COMB
100
16V
100
16V
100
16V
100
16V
100
16V
100
16V
0.1
25V
F:1608
:LB2016
47
25V
330
1/16W
:RN-CP
470
1/16W
:RN-CP
390
1/16W
:CHIP
680
1/16W
:CHIP
1.2k
1/16W
:CHIP
1k
1/16W
:CHIP
10
1/10W
:CHIP
10
1/10W
:CHIP
24p
50V
:CHIP
470
1/16W
:CHIP
470
1/16W
:CHIP
1k
1/16W
:CHIP
2SB709A
0.1
16V
16V
:CHIP
24p 50V
:CHIP
:CHIP
390pF
50V
:CHIP
10k
1/16W
:CHIP
1
10V
B:CHIP
20MHz
2.5V REG
9V
9V
9V
5V
3DV/YIN
3DCIN
3.3V
3DYOUT
3DCOUT
3DRST
SIIC
3.3V
S
C
L
K
S
D
A
T
D
G
N
D
DGND
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
AGND
AGND
AYI
VRBY
VRTY
AVDD
AVDD
VRTC
VRBC
ACI
AGND
DVDD
D
G
N
D
A
V
D
D
HI3 TEST21
HRST TEST20
HRCK DVDIO
HWCK TEST19
HO0 TEST18
HO1 TEST17
HO2 TEST16
HO3 TEST15
DVDD DVDDRAM
XO DVDDRAM
HI2 TEST22
HI1 TEST23
HI0 TEST24
XI
XO
FSCO
A
G
N
D
F
S
C
I
R
P
L
L
VCLY
OKX
TEST26
TEST25
T
E
S
T
I
C
1
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
T
E
S
T
1
4
E
X
T
A
L
T
F
E
X
T
D
Y
C
O
0
E
X
T
D
Y
C
O
1
E
X
T
D
Y
C
O
2
E
X
T
D
Y
C
O
3
E
X
T
D
Y
C
O
4
E
X
T
D
Y
C
O
5
E
X
T
D
Y
C
O
6
E
X
T
D
Y
C
O
7
E
X
T
D
Y
C
0
8
E
X
T
D
Y
C
0
9
D
G
N
D
(P1)
(P1,3,4)
(P1)
(P3)
(P1)
(P1)
(P1)
3D-COMB
9-965-986-01<DA4>M 2/4
+5V
+9V
+9V
+9V
+2.5V
+2.5V
+9V
3DCOUT
3DYOUT
3DV/YIN
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
 121 
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
12 
| 
13 
| 
14 
| 
15 
| 
16 
| 
17 
| 
18 
| 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
M BOARD SCHEMATIC DIAGRAM (4 OF 4)
Due to the complexity of this board, performing component level fi eld repairs is not recommended. If service is required, complete board replacement is the preferred repair method. Data is provided for refer-
ence only.
(P3)
(P1)
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
1
2
3
4
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
1
2
3
4
5
6
7
8
C2500
C2501
C2503
C2515
C2518
C2519
C2522
C2523
C2528
C2530
C2534
C2535
C2538
C2539
C2540
C2541
C2542
C2543
C2545
C2546
C2548
C2549
C2551
C2553
C2554
C2560
C2563
C2564
C2566
C2569
C2570
C2574
D2500
FB2501
FB2503
FB2504
FB2505
FB2507
FB2508
FB2509
FB2510
FB2511
FB2512
FB2515
FB2516
FB2517
FB2518
FB2519
FB2520
FB2521
L2501
Q2502
R2500
R2509
R2520
R2521
R2522
R2523
R2524
R2525
R2526
R2528
R2529
R2530
R2531
R2535
R2536
R2538
R2539
R2540
R2541
R2542
R2546
R2547
R2548
R2549
R2550
R2551
R2553
R2555
X2500
C2572
R2558
R2559
R2560
C2544
C2550
C2558
C2561
R2561
FB2513
C2512
C2513
C2524
C2525
C2527
C2532
C2536
C2565
R2532
C2506
C2571
C2575
C2504
C2559
R2519
R2534
C2510
C2517
C2520
C2521
C2533
C2579
C2584
R2503
R2508
R2512
R2513
R2603
R2604
C2582
R2543
R2585
R2593
R2533
C2508
R2501
R2510
R2511
R2516
R2506
R2514
R2515
R2517
FB2514
R2502
R2605
R2562
R2563
R2608
R2518
R2552
R2554
R2556
R2557
D2501
D2502
D2503
D2504
R2037
R2038
R2039
R2042
R2043
D2505
D2506
IC2501
IC2500
Q2504
Q2503
IC2502
Q2501
Q2500
Q2505
Q2506
Q2508
Q2507
2200p
50V
B:CHIP
2200p
50V
B:CHIP
0.1
16V
B:CHIP
0.1
16V
B:CHIP
2200p
50V
B:CHIP
0.1
16V
B:CHIP
47
25V
0.1
16V
B:CHIP
470p
50V
B:CHIP
47
25V
47 25V
470p
50V
B:CHIP
47
25V
0.1
16V
B:CHIP
10p
50V
CH:CHIP
10p
50V
CH:CHIP
0.1
16V
B:CHIP
0.1
16V
B:CHIP
2200p
50V
B:CHIP
2200p
50V
B:CHIP
47
25V
0.1
16V
B:CHIP
0.1
16V
B:CHIP
47
25V
47
25V
47
25V
2.2
50V
2.2
50V
0.1
16V
B:CHIP
2.2
50V
2200p
50V
B:CHIP
2200p
50V
B:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
HM601
:1608
HM601
:1608
HM601
:1608
0
:CHIP
HM601
:1608
0 :CHIP
HM601
:1608
HM601
:1608
HM601
:1608
HM601
:1608
HM601
:1608
HM601
:1608
0
:CHIP
0
:CHIP
:NSL0808
2SB709A
BUFFER
100
1/16W
:CHIP
4.7k
1/16W
:CHIP
0
:CHIP
0
:CHIP
4.7k
1/16W
:CHIP
220
1/16W
:CHIP
100
1/16W
:CHIP
220
1/16W
:CHIP
0
:CHIP
100
1/16W
:CHIP
100
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
4.7k
1/16W
:CHIP
47k
1/16W
:CHIP
47k
1/16W
:CHIP
0
:CHIP
0
:CHIP
4.7k
1/16W
:CHIP
220
1/16W
:CHIP
1k
1/16W
:CHIP
47k
1/16W
:CHIP
220
1/16W
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
470k
1/16W
:CHIP
470k
1/16W
:CHIP
24.576MHz
1
10k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
4.7
4.7
4.7
4.7
10k
1/16W
:CHIP
0
:CHIP
2.2
6.3V
F:1608
2200p
50V
B:1608
2.2
6.3V
F:1608
2.2
6.3V
F:1608
2.2
6.3V
F:1608
2.2
6.3V
F:1608
2.2
6.3V
F:1608
1
6.3V
B:1608
22k
1/16W
:CHIP
0.1
25V
F:1608
0.1
25V
F:1608
1
100
16V
100
16V
1M
1/16W
:CHIP
22k
1/16W
:CHIP
220p
50V
B:1608
2200p
50V
B:CHIP
220p
50V
B:CHIP
220p
50V
B:CHIP
220p
50V
B:CHIP
0.1
16V
B:1608
100
16V
4.7k
1/16W
:CHIP
2.2k
1/16W
:CHIP
4.7k
1/16W
:CHIP
2.2k
1/16W
:CHIP
100k
1/16W
:CHIP
100k
1/16W
:CHIP
100
16V
0
1/16W
:CHIP
0
1/16W
:CHIP
0
1/16W
:CHIP
0
1/16W
:CHIP
100
16V
33k
1/16W
:CHIP
33k
1/16W
:CHIP
33k
1/16W
:CHIP
33k
1/16W
:CHIP
47k
1/16W
:CHIP
47k
1/16W
:CHIP
47k
1/16W
:CHIP
47k
1/16W
:CHIP
0
1/16W
:1608
0
1/16W
:CHIP
0
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
2.2k
1/16W
:CHIP
100
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
MA111
MA111
MA111
0 1/16W
:1608
0 1/16W
:1608
0 1/16W
:1608
0 1/16W
:1608
0 1/16W
:1608
UDZSTE176.8B
UDZSTE176.8B
MA111-TX
MA111-TX
TC94A04AF-014
AUDIO PROCESSOR
PST593C
RESET
2SD601A
MUTE
2SD601A
MUTE
NJM4558E
AUDIO BUFF
2SD601A
DSP-ERROR
2SD601A
DSP-ERROR
2SD601A
DSP-CUT
2SD601A
DSP-CUT
2SD601A
DSP-CUT
2SD601A
DSP-CUT
V6L
V5L
5V
V6R
V5R
L
R
VARL
VARR
9V
VARMUTE
AUDIO
DSPERR
DSPRST
O
U
T
W
R
O
U
T
W
L
SIIC
DSPCUT
5V-D
AGCM
LINEMUTE
ATSC_AUDIO
MAINL
MAINR
SDAT
SCLK
EBCI/O
ELRI/O
SYNC
GNDR
VDDR
GNDA4
A14
A04
A0T4
VDA34
A0T3
A03
A13
GNDA3
VR02
V
D
X
X
1
X
0
G
N
D
X
G
N
D
A
1
A
1
1
A
0
1
A
0
T
1
V
D
A
1
2
A
0
T
2
A
0
2
A
1
2
G
N
D
A
2
V
R
0
1
V
R
1
T
S
T
0
T
S
T
1
G
N
D
1
2
C
S
E
R
R
I
F
D
0
I
F
D
1
I
F
C
K
C
S
R
S
T
V
D
D
D
O
U
T
D
I
N
0
D
I
N
1
D
I
N
2
LIN4
RIN4
GNDAL
OUTL
VRAL
VDALR
VRAR
OUTR
GNDAR
GND
VCC
VOUT
MRST
LIN3
LIN2
LIN1
RIN3
RIN2
RIN1
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P1)
(P3)
(P1,2,3)
(P3)
(P3)
AUDIO PROCESSOR
MAIN R
V6R
V5R
V5L
V6L
MAIN L
9-965-986-01<DA4>M 4/4
+5V
+5V-D
+9V
+5V
+5V-D
L
R
VARL
VARR
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