Read Sony KLV-21SR2 (serv.man2) Service Manual online
KLV-21SR2 (UC) 3-4
CN3001
3
4
5
6
8
10
13
20
21
28
40
43
44
45
46
47
48
49
VCLK
VPEN
VVS
VHS
MSAU L
MSAU R
VUV0
VUV7
VY0
VY7
FLAG
MENU STATUS
AC DET
TXD MS
PIC MUTE MS
RXD MS
MS RESET
MS BS2
Q3004,Q3007
FL3001
L.P.F
L.P.F
FL3002
Q3005,Q3008
L.P.F
FL3003
Q3006,Q3009
5
6
2
3
6
5
7
1
7
IC3003
OP AMP.
OP AMP.
IC3002
BUFFER
Q3013
BUFFER
Q3012
2
4-5
7-8
10,11
13,31
33,34
36,37
39,40
42,45
47,48
50,51
53,54
74,56
60-66
22-27
20
68
63
19
18
16
17
8
18
20
44-45
47-50
54-59
63-66
98-99
101-105
108-112
117-120
68-70
72-74
79-82
86
89
90
92
91
93
97
94
32
D0-D31
A0-A12
13
MSCLK
MSDE
MSVS
MSHS
PXI
Y
PB
PR
124-128
131-133
140-144
147-149
155
156
157
233
205
204
223-226
218-221
211-215
206-208
3
5
4
196
189
206
199
97
96
95
12
6
5
4
3
IC3304
READ PLL
HRERF
RPL LHD
C541
5V
SDRAM
IC3303
19-24
27-32
2,3
5,6
8,9
11,12
39,40
42,43
45,46
48,49
16
17
15
14
18
35,36
37-42
46-49
12
DRSD A0-A11
13-20
25-32
DRSD DQ0-DQ15
16
7
8
9
10
11
XCAS
XRAS
XWE
QDM
XCS
Q3304 VCO LIM.
C0-C7
8
8
Y0-Y7
MSVS
MSHS
MSCLK
122
129
133
140
154
147
117
98
99
67
57
58
61
69
93
DR Y0-Y7
8
8
DR V0-V7
8
DR U0-U7
CLK
HS
VS
CS
CLRK
CLK
CKE
RAS
CAS
SDQM
WE
DRC4
DRC5
DRC2
DRC1
FFSW
CHROMA DEC.
IC3007
IC3302
DRC MF
CCP(Y0-Y7)
8
CCP(C0-C7)
8
CP-HS
CP-VS
CCPCK
IC3008
SDRAM
8
C0-C7
8
Y0-Y7
24
22
20
18
16
14
12
11
10
9
8
7
6
5
4
3
2
1
D-PR
D-PB
D-Y
VID
MSAU R
MSAU L
CLAMP GATE
SYNC ON
CCP SW
CSW-H
CSW-V
AV SW2
AV SW1
SRS
HP DET
SLEEP MUTE
SP MUTE
HP MUTE
CN1005
TO MS BOARD
CN4000
TO A BOARD
CN2802
3
4
231
SDA B
SCL B
3.3V
X3002
79.99188313MHZ
158
CCPCK2
39
DEV RST
158
35
CLK
36
BBOM
76,77
79,80
82,83
85
3
2
1
5
3
7
6
11
25
26
16
15
X3001
14.318MHZ
SDA B 5V
SCL B 5V
IC3001
BUFF
MSAU L
MSAU R
Q3010
BUFF
AUTO WIDE
IC3004
117
90
89
SCLB
SDAB
DR54
XDRC
XDRC
DEV RESET
6
9
8
11
8
12
13
12
4
5
3
13
9
5
MSDE
MS CLK
IC5006
IC5003
CCPCK2
CCPHS OUT
MSDEDLY
PWVCLK
3
2
1
DIMMER
BACK LIGHT
PANEL DET
CN1003
TO A BOARD
CN8603
25
24
23
22
21
20
18
16
15
13
12
10
9
7
6
4
3
2
TU MUTE
MODE
F_MONO1
F_MONO2
BIL
ST
AFT
AGC
SYNO DET
SDAT
SCLT
LINE_MUTE
DVI_RST
SCL B 5V
SDA B 5V
NC
POWER2
POWER3
POWER4
CN1007
1
SDA B 5V
SCL B 5V
SCL B
SDA B
56
57
15
107
108
19
134
133
109
119
28
125
49
47
31
126
127
12
13
17
16
22
30
CPVS
CPHS
DEV RST
MENU STATUS
BRD STATUS
RESET
RXD
TXD
EN
PANEL DET
BACK LIGHT
DIMMER
GR ALLRST
GR SW
SYNC DET
AGC
AFT
ST
BIL
MOD1
MOD2
F MONO
TU MUTE
64
65
43
44
65
23
24
26
128
63
33
34
42
46
132
131
130
8
7
6
5
DRC1
DRC2
DRC4
DRC5
DRC2
HP MUTE
SP MUTE
SLEEP MUTE
HP DET
SRS
AU SW1
AU SW2
CSW V
CSW H
CCP SW
SYNC ON
CLAMP GATE
POWER4
POWER3
POWER2
POWER1
IC1006(1/2)
MAIN CPU
TO A BOARD
CN2801
15
DEVRST
MS BS2
H
C
F
D
B(1/2)
TO B(2/2)
TO B(2/2)
TO B(2/2)
BUFFER
Q3014
11
10
VGA
DVI_MUTE
20
52
3
POWER_ON
CN1009
TO G BOARD
CN8602
B
POWER1
POWER2
POWER3
POWER4
Q1008
Q1007
80
136
BLK_ST
VCP_RST
TO B(2/2)
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