Sony WEGA KLV 15SR1, Service Manual

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KLV-15SR1(AEP) 3-8
1
A
B
C
D
E
F
G
H
I
2 12 13 11
10
9 8 7 6 5 4 3 14 15
•
Divided circuit diagram
One sheet of B board is circuit diagram is divided into five sheets,
each having the code B-
a
to B-
e
. For example, the destination
ab1 on the code B-
a
sheet is connected to ab1 on the B-
b
sheet.
a b 1
Ref. No.
Circuit diagram division code
1
2
1.8V
P-P
(H)
3
0.4V
P-P
(20.25MHz)
•B-(
b
)BOARD WAVEFORMS
1.7V
P-P
(H)
VIDEO
VIDEO
VIDEO
R-Y/B-Y DATA
Y DATA
2
1
2.0
2.4
5.1 0.3
3
2.3
0 0 0 0 0 0 0 0
2.6 0.1 0.1 2.4 2.4
0
2.5
1.5
1.4
1.5
1.6
2.5
3.5 2.4 3.1 3.3 1.3 1.3 1.3 1.1 1.1 1.1
1.6
3.2
1.4
1.3
1.3
1.3
1.3
1.3
1.3
1.3
R5V
R5V
R3.3V
R3.3V
C7 C6 C5 C4
3.3V(C)
GND(C)
C3 C2 C1 C0
GND(SYNC)
3.3V(SYNC)
FSY/HC MSY/HS
SHILD GND
INTERLACE OUT
ACTIVE V OUT V SYNC PULSE
FPDAT
5.0V(STBY)
CLK5MHZ
NC
XTAL1 XTAL2
ANALOG
AIS GND
FB1 IN
VREF
GND(AI)
5.0V(AI)
ANALOG V OUT
5.0V(F)
ISGND
I2CSEL
VRT
GND(F)
20.25MHZ
CLK VGAV FFOE FFRE FFRSTW FFWE FFIE YCOEQ TEST RESET INPUT GND(CAP) GND(D) 3.3V(D) 3.3V(CAP) SDA SCL ANALOG SHLD GND CR2 IN Y2 IN CB2 IN CR1 IN CB1 IN NC Y1 IN
GND(PA)
3.3V(PA)
DOUBLE CLK OUT
CLK OUT
3.3V(LLC)
GND(LLC)
Y7
Y6
Y5
Y4
GND(Y)
3.3V(Y)
Y3
Y2
Y1
Y0
V IN4
V IN3
V IN2
V IN1
C IN
CN101
TO A BOARD
ba-4
B-SS3666<AEP>-B..-P2
(VIDEO DECODER)
B-b
bcd-7
bacd-6
bc-8
bc-9
bc-10
0
0
0 0
(DECODER)
COMP
BUFFER
BUFFER
bad-1
bd-14
I2C_SDA_PW
I2C_SCL_PW
#RESET_PW
R3.3V
GND
GND
GND
RGB-B/U
RGB-G/Y
RGB-R/V
NC
GND
TEXT-V
GND
YC-C
GND
CVBS
GND
INT-V
GND
RGB-FB
GND
GND
GND
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1 2 3 4
5 6 7 8
1
2
3
4
5
1
2
C520
C521
C522
C529 C530 C531
C555
C557
C558
C559
C560
C562
C565
C566
C567
C568
C569
C570
C571
C573
C574
C575 C576
C578
C580
C581
C582
C583
C585
C586 C587
C590
C594
CP501
CP502 CP503
CP504
CP505
FB501
FB502
R508
R509
R510
R531
R540
R541
R542
R543
R560
R561
R562
R563
R564
R565
C502
IC501
Q501
Q502
CN501
R551
R552
C501
R532
R533
R534
R535
R511
C592
C551
C553
C554 C556
C561
C563
C564
C572
C577
C579
C591
C593
TL501
TL502
TL503
TL504
TL505
TL506
TL507
TL508
TL509
TL550
TL551
TL552
TL553
TL554
R519
R521
CN502
C505
C506
X501
TL510
TL511
TL512
CN503
R520
R522
FB503
C532
C550
C552
C513
C516
C514
IC503
0.22
0.22
0.22
0.1 0.1 0.1
0.047
0.047
390p
1500p
0.22
0.047
0.1
3p
3p
0.047
1500p
0.068
0.1
0.068
0.068
1500p 0.047
0.1
0.1
390p
1500p
0.22
33p
100p 100p
1000p
2200p
22
BLM18PG600SN1
BLM18PG600SN1
75
75
75
120k
47
47
47
47
330
470k
120k
10k
4.7k
4.7k
0
VPC3230D
2SA1037AK-
T146-QR
2SC2412KR
17P
V 52808
0
0
560p
82k
:1608
1k
:1608
75
:1608
1k
:1608
0
0.022
10
16V
10
16V
47
6.3V
100
4V
22
6.3V
10
16V
10
16V
10
16V
10
16V
10
16V
1
47
6.3V
1k
1k
#
27p
27p
20.25MHz
2P
1.2k
1.2k
BLM18RK121SN1
1
10V
0.01
25V
0.01
25V
1000p
1 10V
1 10V
BA7046F-E2
GNDD
#RESET
SDA
SCL
VID CLK
VID VS
GNDA1
C_SYNC
R5V
R3.3V
VID HS
VID UV(0..7)
VID Y(0..7)
I2C_SCL_PW
I2C_SDA_PW
#RESET_PW
R3.3V
VID Y0
VID Y1
VID Y2
VID Y3
VID Y4
VID Y5
VID Y6
VID Y7
VID UV0 VID UV1 VID UV2 VID UV3 VID UV4 VID UV5 VID UV6 VID UV7