Sony KV-28DS65U, Service Manual

Page: 33 / 113

1C3301
AUDIO SWITCH
A
(1/2)
( ) AUDIO PROCESSOR,
DOLBY NOISE REDUCTION,
MEGA TEXT, AUDIO OUT, MULTI
COMPONENT PROCESSOR
3
1
CN1111
TO
ROTATION
COIL
ROT -
ROT +
IC1133
ROT DRIVER
2
8
4
6
IC1134
ROT CONTROLLER
5
1
16
15
2 4
6 3
IC1320
D/A CONVERTER
IC1135
A/D CONVERTER
6 8
1
SCL
SDA
1
2
3
4
5
CN2501
H-PULSE
V+
V-
V - PROT
H DRIVE
IC2501
DIGITAL DEFLECTION
CONTROLLER
12
21
22
11
29
VD+
VD-
V - PROT
V - SYNC
H PROT 20
15
26
28
35
ABL
02
V - SYNC
H - SYNC
E/W
B-OUT
G-OUT
R-OUT
VM-OUT
29
28
33
44
66
V - SYNC
HP - IN
ABL - IN
H1 - IN
H - SYNC
65
V1 - IN
45 YS/VM - 1
46
LR1 IN
47
LG1 - IN
48 LB1 - IN
69
Y1 - IN
68
CB1 - IN
67 CR1 - IN
AV COMP
ABL
MAIN H
MAIN V
TXT BLK
TEXT R
TEXT G
TEXT B
61
6 E/W
2
HV-COMP
8 ABL
CN2502
62
63
64
68
66
67
45
39
38
34
~
26
.
35
A0
A9
6
7
X1105
20-480 MHz
10
2
3
11
3
4
R
G
B
BLAN
IICEN
TXD
RXD
CAS
WE
RAS
X OUT
X IN
HS
4
1
2
IC1114
ANALOG SWITCH
IC1329
AND GATE
2VP
2 4 5
IC1326
INVERTER
VS 2 14 4
IC1325
INVERTER
MAIN H
MAIN V
2
1
IC1127
4
23
3
4
9
~
12
.
14
~
18
.
5
A0
A9
1
.
2
.
24
.
25
D0
D3
IC1112
DRAM
40
~
43
D0
D3
IC1113
MEGA TEXT
31
22
14
.
15
.
17
~
21
D0
D7
IC1119
ROM
A0
A17
IC1116
MICRO CONTROLLER
47
A18
5
PSEN
15
~
8
D0
D7
54 CS EXTERNAL
49 AGC MON
DISABLE
AGC
TO A BOARD
(2/2)
3
~
1
.
68
~
56
.
17
.
46
A0
A17
33
D.PWR
ON/OFF
50 KEY1
48 KEY2
39
SIRCS
19
LED RESP
MUTE SW
Q211, 212,
213
5
7
11
2
4
MUTE
IN+S
IN+L
OUTS
OUTL
IC203
AUDIO OUT
59
56
60
57
L OUT HP
L OUT SP
R OUT HP
R OUT SP
65
4
5
6
125-DAIR2
125EA-INI
125EA-OUT
125-WS
125-CLK 7
IC201
AUDIO PROCESSOR
DA3
DA2
DA1
LRCK
BCK
15
16
19
27
24 BIT CLOCK IN 0
LR CLOCK IN 0
DATA IN 0
DATA OUT
DATA OUT 2
IC205
DOLBY NOISE REDUCTION
S AUDIO
L AUDIO
C AUDIO
R AUDIO
3
4
CN1105
TO F1 BOARD
CN951
RESP LED
SIRCS
CN201
11
7
5
4
2
IN+C
IN+R
MUTE OUTL
OUTR
IC202
AUDIO OUT
3
1
S AUDIO
5
SPR
SPC
SPL
TO J BOARD
CN4207
X1107
32.768K
2
1
IC1141
REAL TIME CLOCK
V PULSE IN
34 4
1
2
2HP
IC1329
AND GATE
27
26
CD1105
6MHz
53
44
43
TXD
RXD
RXD
TXD
M3LEN
31
AC DROP DET
TO A BOARD
(2/2)
AC ON/OFF
8
7
IC1111
RESET CONTROLLER
6
1
37
WATCH ENABLE
28 RESET
32 WATCHPULSE
40 AV LINK IN
52
51
33
ACTIVE STBY
ON/OFF
INTERRUPT
DPWR ON/OFF
D ON/OFF
INTERRUPT
AGC
TO A BOARD
(2/2)
CVBS
10
CN1301
AV4Y
A12
B12
TO A BOARD
(2/2)
A17
B17
B18
A18
A20
B16
B1
A1
S AUDIO
48
47
R OUT TV
L OUT TV
1
13
AR
AL
5
12
DV
DL
2
DR
15
14
10
4
R OUT
L OUT
V OUT
1C1301
D/A AV SWITCH
1
13
RIN
LIN
15
14
R OUT
L OUT
A5
B4
A6
31
30
L IN AV1
R IN AV1
B10
A11
AV4R
AV4L
TV1V
TV1L
TV1R
AGC
TU101
QSS
VIDEO
AGC
BPF
FL201
25
ANA-INI
6 4 TVID
1C103
SYNC SEP
AV LINK
SW9V
AV1 R
AV1 BLK
AV1 G
AV1 B
MONI C
MONI Y
TO A BOARD
(2/2)
TO J BOARD
CN4201
1
CN2504
H DRIVE
9
7
5
B OUT
G OUT
R OUT
CN1305
39
37
35
7
IC1318
MULTI COMPONENT
PROCESSOR
R-Y
B-Y
Y
TO A BOARD
(2/2)
CAS
WE
RAS
CE
A18
12
~
5
.
27
.
26
.
23
.
25
.
4
.
28
.
29
.
3
.
2
.
30
10
DTVV
DTVL
DTVR
TO A BOARD
(2/2)
TO D BOARD
CN504
TO D BOARD
CN501
TO C BOARD
CN701
TO VM BOARD
CN1701
59
TO A BOARD
(2/2)
TO A BOARD
(2/2)
33 34
5-1. BLOCK DIAGRAMS (1)