Sharp LC-42LD266K (serv.man3) Service Manual ▷ View online
69
LC-42LD264
LC-42LD265
LC-42LD266
1
2345678
91
0
11
1
2
13
14
15
16
I
H
G
F
E
D
C
B
A
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
L :ON-state
to HDMI Pin-14 fo
r
A
R
C
Grounding
Grounding
Factory UART & I2C
Switch IC
H :OFF-state
For ARC
ARC on/off enable control
to HDMI Pin-14 fo
r
A
R
C
Same as 2K13
S1
Debug mode
HDMI
pin14
NC/ARC
S0
CHANNEL
L
HDMI functio
n
+12V
H
H
H
DEL FB409
Add D401
C
0A
A
21
23
W
ed
n
esda
y, J
a
nu
ar
y
22
,
2014
7
15
G
61
7
3-
M
0A
<
⁁姣
>
1
9_F
A
CTORY DEBUG PORT
G
61
7
3-
M
0A
OEM MOD
E
L
S
iz
e
R
e
v
D
ate
S
heet
o
f
TPV MODE
L
PCB N
A
ME
⁁姣
T P V ( T
op
Vic
tor
y El
e
c
tro
nic
s
C
o
.
, L
td.
)
K
e
y C
ompo
n
e
n
t
䶂嶗⚾䶐
嘇
HDMI_SCL
2
HDMI_SCL
2
/RX
A
RC_SPDIF
A
RC_SPDIF
A
RC_
o
n/
o
ff
U
0
TX
U
0
RX
U
A
RT_SEL
HDMI_SD
A2
/TX
A
RC_
o
n/
o
ff
HDMI_SD
A2
U
A
RT_SEL
S
1
HDMI_SD
A2
/TX
U
A
RT_SEL
U
0
TX
U
0
RX
HDMI_SCL
2
/RX
HDMI_SCL
2
HDMI_SD
A2
S
0
A
RC_
o
n/
o
ff
13
GND
5
,6
,7,
8
,9,
10
,11
,12
,13
,14
,15
,16
,1
7,
18
,1
9,
20
,22
,23
HDMI_SD
A2
1
7
HDMI_SCL
21
7
HDMI_SCL
2
/RX
1
7
U
0
TX
6
+
5
V_
S
W
5
,9,
11
,13
,14
,16
,1
9,
20
U
0
RX
6
+
5
VSB
5
,6
,9
DVDD
3
V
3
5
,6
,7,
8
,9,
10
,13
,14
,15
,1
7,
1
9,
20
,22
,23
U
A
RT_SEL
1
7
A
RC_SPDIF
7
HDMI_SD
A2
/TX
1
7
+
5
VSB
DVDD
3
V
3
+
5
V_
S
W
DVDD
3
V
3
DVDD
3
V
3
+
5
V_
S
W
+
5
VSB
+
5
VSB
+
5
VSB
R
4
7
2
NC/
100
K
1
/16
W
R
4
7
1
82
R
1
/10
W
1
%
R
46
9
NC/
1.2
K
1
%
ZD
401
NC/RLZ9V
1
B
1
2
U
410
7
4
CBTLV
1
G
125
GW
1
2
3
4
5
OE
A
GND
B
Vcc
R
46
7
40.2
K
1
/16
W
1
%
U
414
7
4
HC
4052
PW
12
1
14
5
15
2
11
4
10
9
7
8
6
13
3
16
1
Y
0
2
Y
0
1
Y
1
2
Y
1
1
Y
2
2
Y
2
1
Y
3
2
Y
3
S
0
S
1
VEE
GND
/E
1
Z
2
Z
VCC
Q
404
LMBT
3
9
04
LT
1
G
C
443
100
N
16
V
D
401
B
A
S
31
6
R
468
10
K
1
/16
W
5
%
C
408
100
N
16
V
R
465
0
R
05
1
/16
W
R
4
7
0
180
R
1
/10
W
1
%
R
464
10
K
1
/16
W
5
%
R
406
10
K
1
/16
W
5
%
C
444
1
UF
10
%
16
V
R
466
60.4
K
1
%
DEBUG PORT 17/19
70
LC-42LD264
LC-42LD265
LC-42LD266
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
3.3V IO Power
Close to Main Chip
Close to Main Chip
for PCB
space
Core Power
V
0.02
A
22
23
W
ed
n
esda
y, J
a
nu
ar
y
22
,
2014
7
15
G
61
7
3-
M
0A
<
⁁姣
>
SYSTEM POWER
G
61
7
3-
M
0A
OEM MODE
L
S
iz
e
R
e
v
D
ate
S
heet
o
f
TPV MODE
L
PCB N
A
ME
⁁姣
T P V ( T
op
Vic
tor
y El
e
c
tro
nic
s
C
o
.
, L
td.
)
K
e
y C
ompo
n
e
n
t
䶂嶗⚾䶐
嘇
DVDD
3
V
3
5
,6
,7,
8
,9,
10
,13
,14
,15
,1
7,
1
9,
20
,21
,23
VCCK
5
GND
5
,6
,7,
8
,9,
10
,11
,12
,13
,14
,15
,16
,1
7,
18
,1
9,
20
,21
,23
VCCK
VCCK
VCC
3
IO
VCCK
VCC
3
IO
DVDD
3
V
3
DVDD
3
V
3
VCCK
C
456
10
UF
6.3
V
20
%
C
451
10
UF
6.3
V
20
%
C
448
10
N
50
V
C
44
7
10
N
50
V
C
45
9
100
N
16
V
C
460
100
N
16
V
+
C
44
9
100
uF/
16
V
C
458
100
N
16
V
C
446
1
uF
10
V
C
452
1
uF
10
V
C
463
10
UF
6.3
V
20
%
C
450
10
UF
6.3
V
20
%
C
461
10
UF
6.3
V
20
%
C
453
1
uF
10
V
C
454
4.
7UF
10
%
10
V
U
401
J
MT
55
6
1
PUDT
K
6
K
5
J9
L
1
L
2
L
3
L
4
L
5
L
6
H9
H
10
H
12
A1
J
10
J
11
J
12
K9
K
10
K
11
P9
N
10
P
10
R
13
M9
L
12
M
11
M
13
M
12
K7
K
8
L7
L
8
M7
M
8
K
12
A8
F
6
F
20
G7
G
18
H
13
H
11
J
13
L9
L
11
L
13
M
1
M
2
L
10
M
3
R
6
M
4
M
5
M
6
N
8
N
13
N
11
N
12
N
15
T
13
N
16
P7
P
11
P
12
P
14
R
11
R
12
R
14
T
5
W
1
9
Y
3
G
8
H
16
J7
M
10
N7
N9
T
15
U
16
V
16
H
14
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
VCC
3
IO
VCC
3
IO
VCC
3
IO
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
VCCK
VCCK
VCCK
VCCK
VCCK
VCCK
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
C
45
7
100
N
16
V
1
2345678
91
0
11
1
2
13
14
15
16
I
H
G
F
E
D
C
B
A
VCCK & DVSS 18/19
71
LC-42LD264
LC-42LD265
LC-42LD266
1
2345678
91
0
11
1
2
13
14
15
16
I
H
G
F
E
D
C
B
A
E
E
D
D
C
C
B
B
A
A
A
A
B
B
C
C
D
D
LNB POWER SUPPL
Y
ESD & Surg
e
Protect
VOUT
L
o
w:
d
isa
bl
e
Hig
h
:
e
n
a
bl
e
MP
8126
En
a
bl
e
S
e
le
c
ti
o
n
VOUT
13
V/
18
V S
e
le
c
t
Hig
h
:
18
V
L
o
w:
13
V
LINEDROP:
L
o
w:
13.3
/18.3
V
Hig
h
:
14.3
/1
9
.3
V
C
ompe
n
sat
io
n
S
e
le
c
ti
o
n
V
0.02
B
23
23
W
ed
n
esda
y, J
a
nu
ar
y
22
,
2014
7
15
G
61
7
3-
M
0A
<
⁁姣
>
ETHERNET RMII
G
61
7
3-
M
0A
OEM MODEL
Siz
e
R
e
v
D
ate
S
heet
o
f
TPV MODEL
PCB N
A
ME
⁁姣
T P V ( T
op
Vic
tor
y El
e
c
tro
nic
s
C
o
.
, L
td.
)
K
e
y C
ompo
n
e
n
t
䶂嶗⚾䶐
嘇
TUN_LNB
TUNER_LNB
LNB_EN
LNB_LINEDROP
DISEQC_OUT
LNB_EN
TUN_LNB
13
/18
V_SW
LNB_LINEDROP
DISEQC_OUT
13
/18
V_SW
LNB_LINEDROP
LNB_EN
TUNER_LNB
13
/18
V_SW
DVDD
3
V
3
5
,6
,7,
8
,9,
10
,13
,14
,15
,1
7,
1
9,
20
,21
,22
TUNER_LNB
14
TUN_LNB
18
DISEQC_OUT
15
13
/18
V_SW
15
LNB_EN
14
,15
LNB_LINEDROP
15
GND
5
,6
,7,
8
,9,
10
,11
,12
,13
,14
,15
,16
,1
7,
18
,1
9,
20
,21
,22
LNB_
12
V
13
LNB_
12
V
DVDD
3
V
3
LNB_
12
V
LNB_
12
V
DVDD
3
V
3
DVDD
3
V
3
DVDD
3
V
3
LNB_
12
V
C7
4
7
NC/
220
NF
16
V
R77
4
NC/
100
K
1
/16
W
5
%
C7
62
NC/
100
N
50
V
Q7
04
NC/MMBT
3
9
04
U7
0
7
NC/MP
8126
DF
-LF
-Z
1
2
3
4
5
6
7
10
11
12
13
14
15
16
8
9
17
SGND
BYP
A
SS
VDD
COMP
EN
LINEDROP
POK
TC
A
P
ILIMIT
VOUT
VBOOST
BST
SW
PGND
13
V/
18
V
EXTM
EP
R7
43
NC/
10
K
1
/16
W
5
%
C7
63
NC/
100
NF
R7
51
NC/
10
K
1
/10
W
1
%
C7
43
NC/
10
UF
25
V
R7
53
NC/
10
K
C7
42
NC/
10
uF
16
V
R7
50
NC/
4
K7
1
/16
W
5
%
R7
3
7
NC/
34.8
K
1
/16
W
1
%
ZD7
01
NC/MM
3
Z
3
V
6
B
1
2
ZD7
02
NC/PJSD
24CW
1
2
R77
5
NC/
100
K
1
/16
W
5
%
L7
04
NC/
22
uH
C7
4
9
NC/
4
7
0
PF
50
V
R7
38
NC/
100
K
1
/16
W
5
%
C7
40
NC/
100
N
16
V
ZD7
03
NC/PJSD
24CW
1
2
L7
05
NC/
1.0
UH
4.5A
R7
04
NC/
100
K
1
/10
W
5
%
R77
6
NC/
100
K
1
/16
W
5
%
D7
03
NC/FB
340
M
1
2
R7
42
NC/
4.
99K
1
/16
W
1
%
D7
04
NC/FB
340
M
1
2
R7
48
NC/
10
K
1
/16
W
5
%
R7
3
9
NC/
33
K
1
/10
W
1
%
C7
48
NC/
4
7NF
16
V
R7
36
NC/
3
9K
1
/16
W
5
%
C7
44
NC/
10
UF
25
V
D7
01
NC/FB
340
M
1
2
R7
41
NC/
33
R
1
/16
W
5
%
C7
61
NC/
22
NF
25
V
R7
4
7
NC/
10
K
1
/16
W
5
%
C7
46
NC/
2.2
uF
25
V
INTERSIL
LNB POWER SUPPL
Y
19/19
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