![Sony WEGA KLV 21SG2 Service Manual Download Page 29](http://html.mh-extra.com/html/sony/wega-klv-21sg2/wega-klv-21sg2_service-manual_406062029.webp)
KLV-21SG2 (AEP) 3-17
(2)
Schematic Diagrams of B Board
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
2
1
0
3.3
4.2
2.9
3.8
2.7
STBY3.3V
STBY3.3V
0
3.3
5.0
3.3
0
3.3
3.3
0
4.7
3.3
0
0
0
3.3
3.3
0
0
3.3
3.3
3.0
4.9
4.9
3.3
0.2
3.3
2.7
3.3
3.3
3.3
0
0.5
3.0
3.0
100 1/16W CHIP
CHIP
1/16W
100
CHIP
1/10W
B
16V
B
1608
1608
10V
B
1608
6.3V
CHIP
CHIP
1/10W
CHIP
1/10W
(NC)
TO(6/7)
CHIP
CHIP
CHIP
LEVEL_SHIFT
RESET
TO(6/7)
TO(2/7,3/7,4/7)
TO(2/7,3/7,4/7,5/7)
D5V
D3.3V
CN9704
TO A(5/6)BOARD
TO A(1/6)BOARD
CN8403
CN9703
TO A(5/6)BOARD
TO(5/7)
TO(2/7,3/7)
TO(4/7)
CHIP
R1027
0
CHIP
R1026
0
LEVEL SHIFT
(3V 5V)
TO(4/7)
TO(5/7)
TO(3/7)
TO(2/7)
TO(3/7)
TO(5/7)
(MAIN CPU)
B(1/7)
B-SS11805<AEP>-B..-P1
TO H3 BOARD
CN1601
CN1501
TO H1 BOARD
TO(2/7)
MAIN CPU
RESET
SW
3.3V REG
RESET
TO(4/7)(7/7)
TO(2/7)
RESET
TO(2/7)
1PS184-115
TO(5/7)
TO(2/7)
BUFFER
TO(2/7)
RESET
CPU&PWROM
LEVEL SHIFT
EEPROM
RESET
LEVEL_SHIFT
GND
POWER3
SCL_D
STBY_LED
CSW_V
CSW_H
CSW_V
AU_SW2
CCP_SW
SYNC_ON
CLAMP_GATE
CSW_H
AU_SW2
D-PB
D-Y
D-PR
AU_SW1
SRS
HP_DET
SLEEP_MUTE
SP_MUTE
HP_MUTE
PWRINT
SYNC_DET
ST
BIL
POWER1
POWER3
POWER4
POWER2
TU_MUTE
F_MONO
MOD0
MOD1
AGC
SDA_D
GR_SW
GR_ALLRST
3.3VALERT
5VALERT
DIMMER
BACK_LIGHT
PANEL_DET
PANEL_DET
DIMMER
BACK_LIGHT
POWER1
SCL_D
SCL_D
SDA_D
SDA_D
PW_RST_DET
PW-BSY2
PW-BSY1
JIG_RES
JIG_RES
AGC
HP_DET
ST
BIL
MOD0
MOD1
F_MONO
TU_MUTE
SYNC_DET
AU_SW1
PWRINT
P-RXD
P-TXD
GR_SW
GR_ALLRST
STBY3.3V
MS_MENU_STATUS
MS_BRD_STATUS
MS_EN
WD_RST
JIG_MD2
JIG_MD1
JIG_MD0
JIG_TXD
JIG_RXD
PW_RST
P-RXD
P-TXD
POWER2
POWER4
JIG_TXD
JIG_RXD
JIG_SCK
JIG_MD2
JIG_MD2
JIG_MD1
JIG_MD1
JIG_MD0
JIG_MD0
JIG_TXD
JIG_RXD
JIG_RES
3.3VALERT
5VALERT
MS_RXD
MS_TXD
CCP_SW
SYNC_ON
CLAMP_GATE
MS_RESET
PW_RST
PW-BSY3
HP_MUTE
SP_MUTE
SLEEP_MUTE
PIC-MUTE
POWER_LED
P_SAVE_LED
KEY_2
KEY_1
POWER_LED
P_SAVE_LED
STBY_LED
SRS
SIGN3067
NUM_WP
R1203
22k
RN-CP
1/10W
R1202
22k
RN-CP
1/10W
C1193
0.01
MS3.3V
C1192
22
6.3V
R1005
0 CHIP
D1192
MM3Z5V6ST1
R1204
5.6k
RN-CP
1/10W
R1195
0
MSSTOP
R1192
10k
R1191
3.3k
VSS
NC
VDD
OUT
S-80829CNNB-B80
IC1190
12
3
4
C1191
0.1
C1190
10
R1190
12k
D1190
MD1
MD0
P30/TXD0/IRTXD
P31/TXD1
P32/RXD0/IRRXD/SDA1
P33/RXD1/SCL1
P34/SCK0/SCK4/SDA0
P35/SCK1/SCL0
P53/ADTRG/IRQ3-A
P52/SCK2/IRQ2-A
P51/RXD2/IRQ1-A
P50/TXD2/IRQ0-A
PG6/BREQ
PG5/BACK
PG4/BREQ0
AVSS
P97/AN15/DA5
P96/AN14/DA4
P95/AN13/DA3
P94/AN12/DA2
P93/AN11
P92/AN10
P91/AN9
P90/AN8
P47/AN7/DA1
P46/AN6/DA0
P45/AN5
P44/AN4
P43/AN3
P42/AN2
P41/AN1
P40/AN0
VREF
AVCC
PG3
PG2
PG1/CS1
PG0/CS0
P65/TMO1/DACK1-B/IRQ13-A
P64/TMO0/DACK0-B/IRQ12-A
P63/TMCI1/TEND1-B/IRQ11-A
STBY
RTCGND
XTAL2
EXTAL2
RTCVCC
VCC
EXTAL
XTAL
VSS
PF7/
PLLVSS
RES
PLLVCC
PF6/AS
PF5/RD
PF4/HWR
PF3/LWR
PF2/IRQ15-A/LCAS/DQML
PF1/IRQ14-A/UCAS/DQMU
PF0/WAIT
P62/TMCI0/TEND0-B/IRQ10-A
P61/TMRI1/DREQ1-B/IRQ9-A
P60/TMRI0/DREQ0-B/IRQ8-A
PD7/D15
PD6/D14
PD5/D13
PD4/D12
PD3/D11
PD2/D10
PD1/D9
PD0/D8
VCC
PE7/D7
VSS
PE6/D6
PE5/D5
PE4/D4
PE3/D3
PE2/D2
PE1/D1
PE0/D0
DCTL
P85/IRQ-B/SCK3
P84/IRQ4-B
P83/IRQ3-B/RXD3
P27/PO7/TIOCB5/IRQ15-B
P26/PO6/TIOCA5/IRQ14-B
P25/PO5/TIOCB4/IRQ13-B
P24/PO4/TIOCA4/RXD4/IRQ12-B
P23/PO3/TIOCD3/TXD4/IRQ11-B
P22/PO2/TIOCC3/IRQ10-B
P21/PO1/TIOCB3/IRQ9-B
P20/PO1/TIOCA3/IRQ8-B
VSS
P17/PO15/TIOCB2/TCLKD/EDRAK3
P16/PO14/TIOCA2/EDRAK2
P15/PO13/TIOCB1/TCLKC
P14/PO12/TIOCA1
P13/PO11/TIOCD0/TCLKB
P12/PO10/TIOCC0/TCLKA
P11/PO9/TIOCB0
P10/PO8/TIOCA0
VCC
NMI
WDTOVFN
PH3/IRQ7-B
PH2/IRQ6-B
PH1
PH0
P82/IRQ2-B
P81/TXD3
EMLE
PA7/A23/IRQ7-A
PA6/A22/IRQ6-A
PA5/A21/IRQ5-A
PA4/A20/IRQ4-A
PA3/A19
PA2/A18
VSS
PA1/A17
PA0/A16
PB7/A15
PB6/A14
PB5/A13
PB4/A12
VSS
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PC7/A7
PC6/A6
PC5/A5
VSS
PC4/A4
PC3/A3
PC2/A2
PC1/A1
PCO/A0
VCC
P80/IRQ0-B
VSS
MD2
HD64F2377-800
IC1006
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108 107 106 105 104 103 102 101 100 99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MS_BS2
9V
R1029
0
CHIP
C1060
47
16V
1608
CH
50V
100p
C1059
R1014
47k
CHIP
1/16W
R1058
1.1k
CHIP
1/16W
CD
NC
VSS
VDD
OUT
IC1007
S-80928CNMC-G8Y-T2
123
4
5
SIRCS
STBY 5V
GND
MS BS2
POWER LED
STBY LED
P SAVE LED
STBY 5V
GND
CN1004
9P
9
8
7
6
5
4
3
2
1
R1028
0 CHIP
CHIP
GND
POWER INT
KEY1
CN1008
3P
3
2
1
D1007
1PS302
D1006
1PS302
R1177 0
CHIP
JL1022
JL1005
D3.3V
D3.3V
D3.3V
D3.3V
GND
GND
GND
D5V
9V
GND
PANEL12V
PANEL12V
GND
GND
STBY5V
STBY5V
GND
GND
3.3V ALERT
5V ALERT
DCIN ALERT
GND
DIMMER
BACK_LIGHT
PANEL_DET
CN1003
25P
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TU_MUTE
F_MONO
MOD0
MOD1
BIL
ST
GND
AFT
GND
AGC
SYNC_DET
GND
SDA_T
SCL_T
GND
GR_SW
GR_ALLRST
GND
SCL_B_5V
SDA_B_5V
GND
POWER1
POWER2
POWER3
POWER4
CN1007
25P
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
D-PR
GND
D-PB
GND
D-Y
GND
VID
GND
MSAU R
GND
MSAU L
GND
CLAMP GATE
SYNC_ON
CCP_SW
CSW_H
CSW_V
AU_SW2
AU_SW1
SRS
HP DET
SLEEP MUTE
SP MUTE
HP MUTE
CN1005
25P
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
JL1074
JL1087
VID
JL1091
JL1092
MSAGND
DVIDEO
R1036
0
1
JL1088
JL1089
R1039
0
MSAUL
R1038
0
JL1090
MSAUR
R1037
0
R1175
0
CHIP
RB1028
100
100
RB1029
100
RB1024
100
RB1004
BMUTE
STBY3.3V
C1019
B
0.1
10V
1005
R1173
100
CHIP
1/16W
IC1010
SN74LV132APWR
6
5
4
3
2
17
8
9
10
11
12
13
14
C1057
B
2200p
50V
1608
R1172
220k
CHIP
1/10W
STBY5V
R1006
0
CHIP
R1171 100
CHIP
1/10W
JL1083
100
R1170
CHIP
1/10W
DRC_BYPASS
JL1082
JL1081
JL1080
JL1079
8
7
6
5
4
3
2
1
RB1033
100
JL1078
JL1077
JL1076
VCC
GND
SCL
SDA
LM75CIMX-3
IC1002
1
2
3
4
5
6
7
8
C1051
B
1
6.3V
1608
JL1075
R1095
4.7k
CHIP
1/16W
R1165
47k
CHIP
1/10W
R1164
47k
CHIP
1/10W
R1163
1k
CHIP
1/10W
JL1066
BCLR
JL1068
JL1067
C1055
B
0.1
10V
1005
C1054
47
6.3V
0
R1025
CHIP
0
R1024
CHIP
0
R1023
CHIP
R1020
0
CHIP
R1018
47
CHIP
1/10W
R1017
47
CHIP
1/10W
SCL B
SDA B
GND
3.3V
CN1001
XX
4
3
2
1
R1169
10k
CHIP
1/10W
R1168
10k
CHIP
1/10W
R1167
4.7k
CHIP
1/10W
R1166
4.7k
CHIP
1/10W
D3.3V
Q1018
2SK1828TE85L
S
Q1017
2SK1828TE85L
S
DEV_RST
R1086
100
CHIP
1/16W
100
R1087
CHIP
1/16W
4.7k
R1148
CHIP
1/16W
4.7k
R1147
CHIP
1/16W
Q1010
2SK1828TE85L
S
4.7k
R1048
CHIP
1/16W
4.7k
R1049
CHIP
1/16W
Q1009
2SK1828TE85L
S
STBY3.3V
JL1021
JL1020
JL1011
JL1010
R1062
100
CHIP
1/16W
R1061
100
CHIP
1/16W
R1060
100
CHIP
1/16W
STBY5V
L1001
22uH
IC1001
BA033FP-E2
OUT
GND
VCC
JL1004
STBY3.3V
FB1002
0uH
C1043
B
0.1
10V
1005
C1002
47
6.3V
C1045
B
0.01
16V
1005
Q1015
DTC114EUA-T106
C1007
B
4700p
50V
1608
R1077
47k
CHIP
1/10W
R1073
10k
CHIP
1/10W
STBY3.3V
D1002
HN1D03FU-TE85R
JL1056
JL1060
JL1059
JL1058
JL1057
PANEL_V
X1001
16.384MHz
C1012
B
0.01
25V
1608
C1011
CH
15p
50V
1608
C1010
CH
15p
50V
1608
C1009
B
0.1
10V
1005
C1008
B
0.1
10V
1005
C1013
B
0.1
10V
1005
R1072
10
CHIP
1/16W
R1071
10k
CHIP
1/16W
R1074
220
CHIP
1/16W
JL1026
R1076
220
CHIP
1/16W
R1075
220
CHIP
1/16W
8
7
6
5
4
3
2
1
RB1018
100
MS_USB
C1044
B
0.1
10V
1005
R1016
4.7k
CHIP
1/16W
Q1016
DTC114EUA-T106
PW_CTL
JL1003
JL1002
JL1001
8
7
6
5
4
3
2
1
RB1001
100
C1042
B
0.1 10V 1005
C1041
B
0.110V
1005
C1040
B
0.110V
1005
FB1001
0uH
STBY5V
GND
TXD
RXD
B_INT
VIN
P-RES
SCK
P-RXD
P-TXD
MD2
MD1
MD0
VIN
RES
RXD
TXD
GND
CN1002
18P
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C1049
B
0.01
50V
1005
PANEL12V
D1012
MM3Z5V6ST1
C1048
B
0.01
16V
1005
R1015
10k
CHIP
1/16W
R1011
10k
CHIP
1/16W
JL1063
R1009
0
CHIP
R1008 XX
CHIP
R1007
0
CHIP
STBY3.3V
R1059
2.2k
CHIP
1/16W
STBY3.3V
C1029
B
0.1
10V
1005
C1028
B
0.1
10V
1005
C1005
B
0.47
10V
1608
JL1015
JL1014
JL1013
JL1012
8
7
6
5
4
3
2
1
RB1007
100
8
7
6
5
4
3
2
1
RB1006
100
JL1009
JL1008
JL1007
JL1006
8
7
6
5
4
3
2
1
RB1005
100
JL1017
JL1016
JL1019
JL1018
8
7
6
5
4
3
2
1
RB1013
100
R1067100
CHIP
1/16W
R1066100
CHIP
1/16W
R1065 100
CHIP
1/16W
R1064 100
CHIP
1/16W
R1063 100
CHIP
1/16W
R1159
R1160
R1146
47k
CHIP
1/16W
R1145
47k
CHIP
1/16W
R1144
47k
CHIP
1/16W
8
7
6
5
4
3
2
1
RB1012
100
8
7
6
5
4
3
2
1
RB1011
100
8
7
6
5
4
3
2
1
RB1002
10k
R1068
10k
CHIP
1/16W
RB1009
47k
POWER6
JL1050
JL1024
JL1023
JL1044
JL1045
JL1030
JL1027
JL1025
R1070
10k
CHIP
1/16W
C1006
B
0.1
10V
1005
R1096
10k
CHIP
1/16W
R1157
3.3k
CHIP
1/16W
R1012
47k
CHIP
1/16W
R1082
10k
CHIP
1/16W
8
7
6
5
4
3
2
1
RB1023
100
8
7
6
5
4
3
2
1
RB1021
100
8
7
6
5
4
3
2
1
RB1019
100
8
7
6
5
4
3
2
1
RB1017
100
8
7
6
5
4
3
2
1
RB1016
100
8
7
6
5
4
3
2
1
RB1015
100
RB1014
100
D1010
MM3Z5V6ST1
D1009
MM3Z5V6ST1
D1008
MM3Z5V6ST1
R1107
560
CHIP
1/10W
R1106
0
R1105
0 CHIP
1/10W
R1104 220
CHIP
R1100
0 CHIP
STBY5V
R1092
100
CHIP
1/16W
R1091
100
CHIP
1/16W
C1017
B
0.1
10V
1005
D1003
MMDL914T1
C1050
10
16V
C1018
B
0.1
10V
1005
R1088
3.3k
CHIP
1/16W
R1085 10k
CHIP
1/16W
C1014
B
0.1
10V
1005
C1015
B
0.1
10V
1005
R1158
220
CHIP
1/16W
R1093
220
CHIP
1/16W
R1094
10k
CHIP
1/16W
D1005
MMDL914T1
JL1032
JL1028
C1016
B
0.1
10V
1005
STBY3.3V
R1081
47k
CHIP
1/10W
R1084
10k
CHIP
1/16W
R1013
10k
CHIP
1/16W
R1010
10k
CHIP
1/16W
R1099
10k
CHIP
1/16W
R1090
100
CHIP
1/16W
R1089
100
CHIP
1/16W
R1034
4.7k
CHIP
1/16W
R1055
4.7k
CHIP
1/16W
STBY3.3V
STBY3.3V
DRC_4
DRC_5
VSDEC
HSDEC
DRC_1
DRC_2
DRC_3
JL1039
JL1033
JL1038
JL1037
JL1036
JL1055
JL1054
JL1041
JL1040
JL1053
JL1043
JL1052
JL1051
JL1035
6
5
4
3
2
1
Q1006
HN1B01FU-TE85R
IC1008
M24C64-WMN6T(B)
1234
5
6
7
8
IC1009
TC7SZ125FU(TE85R)
123
4
5
RB1032
100
8
7
6
5
4
3
2
1
RB1031
100
8
7
6
5
4
3
2
1
RB1027
100
8
7
6
5
4
3
2
1
RB1026
100
8
7
6
5
4
3
2
1
RB1025
100
RB1030
100
1/16W
CHIP
1/16W
V,Y/B-Y/R-Y
2.4 Vp-p (16.384MHz)
1
• B(1/7) BOARD WAVEFORMS
2
1.5 Vp-p (H)