Read Sony KLV-HG26M1 / KLV-SG21M1 Service Manual online
KLV-HG26M1/SG21M1(CH) 3-8
3-2. FRAME DIAGRAM
1
2
3
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5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
25P
CN9704
INT
BUSY
RESET
F_RESET
INPUT_SIGO
INPUT_SIG1
GND
NC2
GND
NC3
NC4
GND
SDA_D
SCL_D
GND
NC5
NC6
GND
SCL B
SDA B
GND
POWER1
POWER2
POWER3
POWER4
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
25P
CN9703
GND
CR
GND
CB
GND
Y
GND
CVBS_MON
GND
R_MS
GND
L_MS
GND
NC0
NC1
NC2
CSW_H
CSW_V
NC5
NC6
NC7
HP DET
NC8
SP MUTE
HP MUTE
1
2
3
4
5
6
6P
CN9702
GND
AGC
SCL
SDA
32V
GND
1
2
3
4
5
6
6P
CN9701
GND
5V
FM/AM
QSS
VIDEO
GND
1
2
3
4
5
6
6P
CN9405
A_OUT_L
A.GND
A_OUT_R
MUTE
REG9V
FACT-RESET
A.GND
RV4
LV4
S4
GND
V4
GND
Y4
GND
C4
CN9403
10P
10
9
8
7
6
5
4
3
2
1
1
2
3
4
4P
CN8402
STBY5V
GND
POWER-ON
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
25P
CN8403
D3.3V
D3.3V
D3.3V
D3.3V
GND
GND
GND
D5V
REG9V
GND
PANEL12V
PANEL12V
GND
GND
STBY5V
STBY5V
GND
GND
3.3V_ALERT
5V_ALERT
DCIN_ALERT
GND
DIMMER
BACKLIGHT
PANEL_DET
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN8401
14P
UNREG12V
UNREG12V
GND
GMD
UNREG6V
UNREG6V
UNREG6V
GND
GND
GND
UNREG33V
GND
REG10.5V
GND
1
2
3
4
4P
CN7002
WHT
SP R OUT
SP R GND
SP L OUT
SP L GND
SPEAKER
1
2
3
4
5
6
WHT
6P
CN6402
SCL
SDA
GND
+5V
QSS
AGC
AS
+33V
IF
IF
FM/AM
VIDEO
TU64011
1
2
3
4
5
6
WHT
6P
CN6401
1
2
3
4
5
6
7
8
9
10
10P
CN7701
3
4
1
2
V
L
R
S
1
2
3
4
5
6
CN9301
6P
PS-G
GND
PS-R
GND
PS-B
GND
1
3
3P
CN6002
L
R
1
2
3
4
CN6302
4P
WHT
STBY 5V
GND
POWER-ON
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN6351
WHT
14P
UNREG 12V
UNREG 12V
GND
GND
UNREG 6V
UNREG 6V
UNREG 6V
GND
GND
GND
UNREG33V
GND
REG 16.5V
GND
AC IN
4P
CN4502
4
3
2
1
GND
GND
3.3V
3.3V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN1002
GND
TXD
RXD
RES
VIN
MD0
MD1
MD2
P-TXD
P-RXD
SCK
P-RES
VIN
B_INT
RXD
TXD
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
25P
CN1005
HP MUTE
SP MUTE
SLEEP MUTE
HP DET
SRS
AU SW1
AU SW2
CSW_V
CSW_H
CCP SW
SYNC ON
CLAMP GATE
GND
MSAU L
GND
MSAU R
GND
VID
GND
D-Y
GND
D-PB
GND
D-PR
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
25P
CN1007
POWER4
POWER3
POWER2
POWER1
GND
SDA B 5V
SCL B 5V
GND
GR ALLRST
GR SW
GND
SCL T
SDA T
GND
SYNC DET
AGC
GND
AFT
GND
ST
BIL
MOD1
MOD0
FMONO
TU MUTE
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
25P
CN1003
PANEL DET
BACK LIGHT
DIMMER
GND
DCIN ALERT
5V ALERT
3.3V ALERT
GND
GND
STBY5V
STBY5V
GND
GND
PANEL12V
PANEL12V
GND
9V
D5V
GND
GND
GND
D3.3V
D3.3V
D3.3V
D3.3V
1
2
3
3P
CN1008
KEY1
POWER INT
GND
1
2
3
4
5
6
7
8
9
9P
CN1004
GND
STBY 5V
P SAVE LED
STBY LED
POWER LED
MS BS2
GND
STBY 5V
SIRCS
CPU&PWROM
A1
B1
A2
B2
A3
B3
A4
A5
A6
B4
B5
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
B17
A18
B18
A19
B19
A20
B20
A21
B21
A22
B23
B27
B24
B25
A28
B28
A29
B29
A24
A25
A26
A23
A30
B30
B26
A27
A32
A33
A31
B31
B33
B32
A35
B35
B22
A34
B34
70P
CN5001
GND
GND
GND
GND
A15
A13
A11
A9
A7
A5
A3
A1
GND
GND
GND
3.3V
3.3V
3.3V
3.3V
GND
GND
ROMWEN
ROMWEN
CS2
CS3
RESETN
NM1
FCEN
BOOTWE
VPPEN
D14
D12
D10
D8
D6
D4
D2
D0
NC
6V
6V
GND
GND
GND
D15
D13
D11
D9
D7
D5
D3
D1
NC
6V
6V
A19
A18
A17
A16
A14
A12
A10
A8
A6
A4
A2
A0
BHENN
ROMOEN
ROMOEN
(N.C.)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
BRN
20P
CN5801
VCC
VCC
GND
GND
TX3+
TX3-
GND
TCLK+
TCLK-
GND
TX2+
TX2-
GND
TX1+
TX1-
GND
TX0+
TX0-
GND
GND
TO
LCD PANEL
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
CN3001
50P
GND
GND
VCLK
VPEN
VVS
VHS
AU_GND
MSAU_L
AU_GND
MSAU_R
GND
GND
VUY7
VUY6
VYU5
VYU4
VYU3
VYU2
VYU1
VYU0
VY7
VY6
VY5
VY4
VY3
VY2
VY1
VY0
GND
GND
GND
GND
D3.3V
MS_3.3V
MS_3.3V
MS_3.3V
GND
MS_3.3V
MS SW
FLAG
MENU STATUS
SIRCS
BRD STATUS
AC_DET
TXD MS
PIC MUTE MS
RXD MS
MS RESET
MS BS2
GND
1
2
3
4
CN3002
4P
MS3.3V
MS3.3V
GND
GND
50P
10P
CN4000
CN4101
10
9
8
7
6
5
4
3
2
1
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
AC DET
MS_BS2
GND
VCC
MS_SCLK
GND
MS_INS
GND
MS_SDIO
VCC
MS_BS
GND
MSAU_L
GND
GND
VCLK
VPEN
VVS
VHS
AU_GND
AU_GND
MSAU_R
GND
GND
VUY7
VUY6
VUY5
VUY4
VUY3
VUY2
VUY1
VUY0
VY7
VY6
VY5
VY4
VY3
VY2
VY1
VY0
GND
GND
GND
GND
D3.3V
MS_3.3V
MS_3.3V
MS_3.3V
GND
MS_3.3V
MS_SW
FLAG
MENU_STATUS
SIRCS
BRD_STATUS
TXD_MS
PIC_MUTE_MS
RXD_MS
MS_RESET
GND
WHT
:SMD
10P
CN4100
10
9
8
7
6
5
4
3
2
1
ERST#
GND
ECV
GND
ED
GND
ECLK
NC
VCC
ICE
WDT KILL
:SMD
10P
CN4301
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
GND
NC
MS_INS
VCC
MS_SCLK
GND
GND
MS_SDIO
VCC
MS_BS
GND
GND
GND
VCC
SCLK
#
INS
#
DIO
BS
CN4302
MS CONNECTOR
9P
CN1601
6
5
4
3
2
1
MS BS2
P SAVE LED
POWER LED
STBY LED
STBY5V
GND
1
2
3
3P
CN1501
WHT
KEY1
POWER INT
GND
7
8
9
GND
STBY5V
SIRCS
TU
U2
A
G
MSB
MS
MSX
H3
H1
B
L
R
1
2
3
4
4P
CN7001
HP-GND
HP-R
HP-L
HP-DET
1
2
3
4
4P
CN7601
HP-GND
HP-R
HP-L
HP-DET
1
2
3
4
5
6
7
8
9
BLK
9P
CN9405
COMP Y
GND
COMP CB
GND
COMP CR
GND
COMP L
GND
COMP R
1
2
3
4
5
6
7
8
9
U1
H2
MEMORY
STICK
S
2
2/
SHILD-GND
V-IN/Y-IN
VIDEO-OUT
GND
GND
NC
C-IN
GND
GND
NC
NC
SMART_LINK
GND
MODE
NC
L-IN
GND
AUDIO-GND
L-OUT
R-IN
R-OUT
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SHILD-GND
VIDEO-IN
VIDEO-OUT
GND
GND
BLK
RED
GND
GND
NC
GREEN
NC
GND
MODE
BLUE
L-IN
GND
AUDIO-GND
L-OUT
R-IN
R-OUT
CN9401
21P
BLK
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN9402
21P
BLK
BLK
1/
AV1
AV2
GND
AGC
SCL
SDA
32V
GND
GND
5V
FM/AM
QSS
VIDEO
GND
J7601
4
R/D/D/D
L/G/S/I
4
4
S
AV4
J7701
WHT
A.GND
RV4
LV4
S4
GND
V4
GND
Y4
GND
C4
R/D/D/D
L/G/S/I
Y
CR
CB
4
3
2
1
J9002
R
L
J9001
3
R/CR
B/CB
G/Y
9P
CN9001
COMP Y
GND
COMP CB
GND
COMP CR
GND
COMP L
GND
COMP R
4
3
2
1
J9301
R
L
R/D/D/D
L/G/S/I
WHT
TO
LCD PANEL
1
2
3
4
CN6350
WHT
4P
REG 16.5V
REG 16.5V
GND
GND
4P
CN4501
4
3
2
1
GND
GND
16.5V
16.5V
1
2
3
4
6
5
WHT
6P
CN6352
GND
REG 16.5V
REG 16.5V
REG 16.5V
GND
GND
1
2
3P
CN8203
HOT-4
HOT-5
3P
CN8207
3P
CN8205
7P
CN8530
7P
CN8202
7P
CN8206
1
2
3
4
5
6
7
8
9
10
11
WHT
11P
CN8201
GND
16.5V
16.5V
16.5V
GND
GND
D5V
GND
PANEL_DET
BACK_LIGHT
DIMMER
D2
TO LCD PANEL
1
2
3
4
4P
CN8405
REG16.5V
REG16.5V
GND
GND
1
2
3
4
4P
CN8210
16.5V
16.5V
GND
GND
1
2
3
4
5
5P
CN8604
D5V
GND
PANEL_DET
BACKLIGHT
DIMMER
3
HOT-6
1
2
COOL-4
COOL-5
3
COOL-6
1
2
HOT-10
HOT-11
3
HOT-12
1
2
COOL-10
COOL-11
3
COOL-12
1
2
HOT-1
HOT-2
3
HOT-3
1
2
COOL-1
COOL-2
3
COOL-3
1
2
HOT-7
HOT-8
3
HOT-9
7P
CN8204
1
2
COOL-7
COOL-8
3
COOL-9
7P
CN8208
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