Sony KLV-26HG2 (serv.man2) Service Manual ▷ View online
KLV-26HG2 (AEP) 3-1
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
5
4
3
2
CN6402
CN6401
5V
FM/AM
QSS
VIDEO
2
3
4
5
AGC
SCL-P2
SDA-P2
32V
Q6402
BUFFER
BUFFER
Q6401
32V
5V
TU6401
TUNER
VIDEO
FM/AM
QSS
AGC
SCL
SDA
VIDEO
AUDIO
CN7701
1
3
5
7
8
9
Y4
S4
V4
LV4
RV4
1
2
3
4
V
L
R
J7701
H2(2/2)
(INPUT TERMINAL)
CN9403
CN9702
CN9701
AV SW1
IC2501
S2-3
S-3
20
21
RV3
18
Y3
V3
15
19
16
C3
LV3
32V
SCL_P2
SDA_P2
9
7
5
3
1
CN9405
C4
COMP R
COMP L
COMP CR
COMP CB
COMP Y
9
7
5
3
1
CN9001
(TUNER)
TU
A-1
U1
(INPUT TERMINAL)
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
COMP R
COMP L
COMP CR
COMP CB
COMP Y
4
R/D/D/D
L/G/S/I
4
4
S
AV4
Y4
S4
V4
LV4
RV4
C4
1
3
5
7
8
9
5V
FM/AM
QSS
VIDEO
2
3
4
5
AGC
SCL-P2
SDA-P2
32V
5
4
3
2
IN4-1
IN4-2
17
RV2
LV2
1
Q9701,9702
Q9703,9704
Q2509
TXT-MIX
IC2201
CROUT
CBOUT
HS
VS
C1
YOUT
CVBS/Y2
CVBS/Y1
5V
SYNC SEP.
BUFFER
CN9703
2
4
6
8
10
12
CB
CVBS-MON
Y
R-MS
L-MS
CR
17
18
24
25
CSW-M
SP-MUTE
CSW-V
HP-MUTE
IC2206
Q2210
VOUT1
YOUT1
COUT1
58
56
53
COMPONENT-I/F
IC8400
Q2601,2605
IN4-3
33
34
35
23
22
21
43
44
1
CN9401
1
2
3
6
7
8
R-IN
L-IN
L-OUT
BLUE
MODE
R-OUT
11
15
16
19
20
GREEN
BLK
RED
VIDEO-OUT
VIDEO-IN
1
2
3
4
13
14
19
20
22
23
25
SCL-B
POWER1
SDA-B
POWER2
POWER4
CN9704
INT
CN9402
1
2
3
6
8
10
15
19
20
R-IN
L-IN
L-OUT
SMART-LINK
MODE
R-OUT
C-IN
VIDEO-OUT
V-IN/Y-IN
1
4
SCL-P2
SDA-P2
7
8
9
IN2-2
IN2-3
IN3-3
42
43
3
V
Y
C
Y1
CB1
CR1
SELYOUT
SELCBOUT
SELCROUT
IN1-1
IN1-2
IN1-3
25
26
27
Q2602,2606
Q2603,2607
22
7
6
5
1
3
2
IC2606
23
SELVOUT
SELHOUT
EXTCLK
X2602
4MHz
20
31
30
SCL
SDA
SCL_B
SDA_B
2
9
4
Q2217
X2202
16.2MHz
38
Xtal
C2
48
Q2504
Q2505,2213
Q2506,2201
Q2203
IC2202
SW
4
14
15
13
12
1
2
3
5
Q2204
Q2205
Q2206
R
G
B
9
11
10
B1
G1
R1
25
7
26
RTV
LTV
64
62
TV
63
S2-4
V4
RV4
LV4
25
23
27
22
ROUY2
LOUT2
V/YOUT2
43
44
45
Q2504
V1
CIN1
L1
1
51
3
S2-1
C1
Y1
6
5
2
R1
4
AGC-DEFEAT
AGC-MONITOR
SYSTEM IC
IC2003
COINICIDENCE
22
6
59
VSYNC
HSYNC
VDS
52
53
55
32
94
TXT-VIDEO
Q2601
IC2205
MULTIPLETER
7
6
3
1
5
IO1
IO2
YS3
15
14
13
SCL
SDA
SCL_B
SDA_B
CTL-RGB1
95
2
CTL2
Q2216
FSW-AUTO
96
OI2
OI1
CTL1
CTL-RGB0
R-TXT
G-TXT
47
48
46
B-TXT
IC2004
79
AVL-IN
-
3
2
1
+
ROUT1
LOUT1
54
52
2
7
4
6
9
8
BUSY
RESET
F-RESET
SDA-D
SCL-D
SCL-B
SDA-B
SDA-D
SCL-D
Q2601,2605
IC2005
RESET
VCC
OUT
73
INT
97
BUSY
29
RESET
EXTALIN
X2001
12MHz
70
IC2004(2/2)
-
5
6
7
+
AVL OUT
78
IC2002
EEPROM
7
IC2208
SDRAM
85-92
5
8,15,23,26
27,31,33,
36-40,49-51
64-67
27,31,33,
36-40,49-51
64-67
18
A0-A17
1-4,7
9-20
9-20
8
21-23
25-29
25-29
32
10
9
WR
RD
WR
D0-D7
RE
A0-A17
IC2010
OPT ROM
3
24
19
30
12-4,30
23,25-29
23,25-29
13-15,
17-21
17-21
IC2009
-
9
10
+
-
13
12
+
11
1
2
4
IC2006
IC2007
8
2
4
57
58
ROMBK.2
ROMBK.1
ROMBK.1
INVN-WP
A17
2
3
PSEN
A17-LN
ABK16
ABK15
A0-A14
A15
D0-D7
D0-D7
Q2002,2003
RESET
RESET
5
6
84
98
83
SCL1
SDA1
SCL-D
SDA-D
82
81
SCL0
SDA0
OSCGND
69
XTALOUT
71
STBY3.3V
CR1
CB1
Y1
11
9
AV4-V-IN
AV4-Y-IN
AV4-C-IN
AV4-R-IN
AV4-L-IN
S4
SDET
AV4-V-IN
AV4-Y-IN
AV4-C-IN
AV4-R-IN
AV4-L-IN
S4
SDET
FM/AM
QSS
R-TVAU
L-TVAU
AV1-V-OUT
AV1-R-OUT
AV1-L-OUT
10
Q2509
LINE MUTE
18
Q9401
SW
D9414
D8413
Q9405
Q9409
Q9409
MUTE
Q9404
Q9408
Q9408
MUTE
Q9403
Q9407
Q9407
MUTE
Q9402
Q9406
Q9406
MUTE
5
D7011
SP-MUTE
HP-MUTE
R-MS
L-MS
RESET_AUDIO
52
3
VIDEO
Y
R-Y
B-Y
R-Y
R-Y
R-Y
Y
VIDEO
B-Y
R-Y
(AV SW,SYSTEM IC,COMPONENT I/F)
TO B-1 BOARD
CN1007
B
TO B-1 BOARD
CN1005
A
S
2
2/
1/
AV1
AV2
KLV-26HG2 (AEP) 3-2
24
25
AUDIO CONTROL
IC7001
7
1
6
5
2
3
3
5
13
14
IC7011
AP
IN1
IN2
OUT1
OUT2
AUDIO L
AUDIO R
MUTE
Q7009
IC7007
AUDIO AMP
8
1
5
6
5
7
4
3
2
1
4
3
2
1
SP L-
SP L+
SP R-
SP R+
CN7002
L
R
SPEAKER
AUDIO R
AUDIO L
IC7004
HP AMP
3
2
1
HP-L
HP-R
NC
CN7501
4
HP-GND
H2(1/2)
(HEADPHONE)
J7601
HEADPHONE
AUDIO R
AUDIO L
10
L OUT
R OUT
HP MUTE
Q7006
L IN
R IN
SP MUTE
1
3
2
7
5
6
1
3
2
Q7007
9V
IC7004
FILTER W
FILTER W
IC7005
CN7001
A-2
(AV SW,AUDIO AMP,POWER)
Q7015,7005
MUTE
Q7008
HP_MUTE
3
Q7016
Q7017
7
5
6
1
3
2
IC7009
MIX
27
28
MONO_IN
IF_IN1
OUT1
OUT2
SP_OUT_R
SP_OUT_L
HP_OUT_R
HP_OUT_L
36
37
SC1_OUT_R
SC1_OUT_L
R_TVAU
L_TVAU
10
1
HP_R
HP_L
1
3
2
7
5
6
IC7010
HP AMP
VAR_L
VAR_R
6
MUTE
6
4
3
1
3
2
1
MUTE
A_OUT_R
A_OUT_L
CN9301
4
F_RESET
CN9404
U2
(AUDIO OUT)
J9301
R
L
R/D/D/D
L/G/S/I
Q9302
Q9301
S9301
MUTE
MUTE
VAR_L
VAR_R
Q7013
AU16.5V
MUTE SW
MUTE
MUTE
MUTE
Q7014
MUTE
D7009
D9406
4
9
5
D7007
67
60
POWER_ON_RESET
SC2_L_IN
53
21
SC2_R_IN
54
56
57
SC1_L_IN
SC1_R_IN
2
3
SCL
SDA
QSS AMP
Q7006
7
FM/AM
QSS
L_MS
R_MS
L_AVSW
R_AVSW
2
3
SCL_P2
SDA_P2
ACTIVE FILTER
11
10
SCL
SDA
SCL_B
SDA_B
AUDIO L
AUDIO R
AUDIO L/R
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN8401
UNREG16.5V
UNREG16.5V
GND
GND
UNREG6V
UNREG6V
UNREG6V
GND
GND
GND
UNREG33V
GND
REG16.5V
GND
4
3
2
1
CN8402
STBY5V
GND
POWER-ON
GND
4
3
2
1
CN8405
REG16.5V
REG16.5V
GND
GND
IC8401
CONVERTER
24
VCC
STBY1
STBY2
OUT1_D
REG5V_IN
LIM
LL1
OUT1_u
LH2
OUT2_D
LL2
OUT2_U
INV2
FB2
POWER_GOOD
33V
AU16.5V
IC8403
5V REG
VCC
OUT
Q8402
SW
G
S1
S2
S3
D1
D2
D3
D4
27
4
1
2
3
5
6
7
8
Q8401
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q8403
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q8405
SW
G
S1
S2
S3
D1
D2
D3
D4
1
2
3
4
5
6
7
8
L8402
IC8402
9V REG
VCC
OUT
1
2
21
30
28
29
16
19
18
17
15
14
12
Q8406
L8601
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
CN8403
D3.3V
D3.3V
D3.3V
D3.3V
GND
GND
GND
DSY
9V
GND
PANEL12V
PANEL12V
GND
GND
STBY5V
STBY5V
GND
GND
3.3V_ALERT
5V_ALERT
DCIN_ALERT
GND
DIMMER
BACKLIGHT
PANEL_DET
5
4
3
2
1
CN8404
DIMMER
BACKLIGHT
PANEL_DET
GND
D5V
D9414
D8413
+9V
+12V
PS8401
9
10
C
TO B-1 BOARD
CN1003
TO LCD PANEL
TO G2 BOARD
CN6003
D
TO G2 BOARD
CN6006
TO MSB BOARD
CN4501
D3.3V
REG16.5V
16.5V
Q8404
POWER1
POWER2
POWER4
8
KLV-26HG2 (AEP) 3-3
3
2
1
N
L
CN6002
F6000
IC6002
DRIVER
1
15
2
23
22
20
16
PROT
Q6001
Q6005
CONVERTER
CONVERTER
Q6006
T6003
PH6002
IC6005
5
7
7
6
5
2
1
UNREG 6V
UNREG 6V
UNREG 6V
UNREG 12V
UNREG 12V
CN6003
D6019
Q6003,Q6004
P-ON SW
1
2
4
3
3
4
2
1
PH6001
T6001
CN6006
POWER ON
STBY 5V
GND
3
1
4
Q6007
P-ON STOP
CONV.
IC6001
1
4
2
3
8
7
5
D6011
D6010
1
3
9
8
D6015
5
6
G2
(POWER SUPPLY)
AC IN
L6003
D6001
14
13
12
11
L6004
+17V
F/B
D6006
Q6002
CONV.CONTROL
IC6003
VCC
OUT
IC6004
5V REG
UNREG 33V
11
REG 16.5V
13
2
1
REG 16.5V
REG 16.5V
CN6004
TO A-1 BOARD
CN8401
CN8402
TO A-2 BOARD
10
9
T6002
11
12
13
8
9
10
D6015
D6018
D6020
D6017
D6021
D6022
5
7
D
TO LCD UNIT
L6001
L6002
KLV-26HG2 (AEP) 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-1 BOARD
CN9703
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
CDHS
PWVPEN
PWVCLK
3
2
1
DIMMER
BACK LIGHT
PANEL DET
CN1003
TO A-1 BOARD
CN8403
25
24
23
22
21
20
18
16
15
13
12
10
9
7
6
4
3
2
TU MUTE
FMONO
MOD0
MOD1
BIL
ST
AFT
AGC
SYNO DET
SDAT
SCLT
GR SW
GR ALLRST
SCL B 5V
SDA B 5V
POWER1
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-1 BOARD
CN9704
15
DEVRST
MS BS2
E
A
C
B
B-1
(MAIN CPU,DRC-MF,CHROMA DEC.)
TO B(2/2)
TO B(2/2)
TO B(2/2)
TO B(2/2)
B-Y
R-Y
Y
B-Y
Y
R-Y
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