LG 55LH95 / 55LHX (CHASSIS:LA92E) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
VCC5V
C505
0.1uF
16V
1005
R505
4.7K
1005
1005
R506
4.7K
1005
1005
VCC3.3V
VCC3.3V
R507
4.7K
1005
1005
R508
4.7K
1005
1005
VCC1.2V
R502
10K
1%
1005
VCC1.4V
R503
2K
1005
R509
2K
1005
R510
10K
1%
1005
VCC1.0V(RF)
C509
0.1uF
16V
0.1uF
16V
1005
C507
0.1uF
16V
0.1uF
16V
1005
C511
47uF
6.3V
6.3V
7343
C512
47uF
6.3V
6.3V
7343
C513
0.1uF
16V
0.1uF
16V
1005
C514
47uF
6.3V
6.3V
7343
C503
4.7uF
10V
4.7uF
10V
2012
C501
1uF
6.3V
1uF
6.3V
1005
C504
0.01uF
25V
1005
0.01uF
25V
1005
C506
0.01uF
25V
0.01uF
25V
1005
C510
1uF
6.3V
1uF
6.3V
1005
IC501
SC338IMSTRT
3
EN1
2
ADJ1
4
PGD1
1
DRV1
5
GND
6
PGD2
7
EN2
8
ADJ2
9
DRV2
10
IN
R501
15K
1%
1005
R504
12K
1%
1005
C502
10uF
6.3V
10uF
6.3V
1608
C508
10uF
6.3V
10uF
6.3V
1608
Q501
SI4804BDY
@compC
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
5 13
2009.02.03
Power Supply2
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
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
W-TV Rx
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
BBOUTI_P
2:N14
BBOUTI_N
2:N15
BBOUTQ_N
2:N14
BBOUTQ_P
2:N14
PCLK_P
2:AA15
PCLK_N
2:AA14
HSDOUT
2:U22
RFMODE_STBY
2:V22
R601
3.01K
3.01K
1%
1005
XO_EN
2:V22;2:AL12
HSCS_P
2:R22
HSCS_N
2:R22
HSCLK_N
2:S22
HSCLK_P
2:S22
HSD3_P
2:T22
HSD3_N
2:T22
HSD2_P
2:T22
HSD2_N
2:T22
HSD1_P
2:S22
HSD1_N
2:T22
HSD0_P
2:S22
HSD0_N
2:S22
BBINI_P
2:N16
BBINI_N
2:N16
BBINQ_P
2:N15
BBINQ_N
2:N15
IC601
SB9121
ADCI_P
R22
ADCI_N
R21
ADCQ_P
U21
ADCQ_N
U22
DACI_P
L22
DACI_N
L21
DACQ_P
N21
DACQ_N
N22
PCLK_P
N19
PCLK_N
M19
REFRES
H19
XOEN
E20
STBY
D20
HSDOUT
F20
HSD3_P
D21
HSD3_N
D22
HSD2_P
E21
HSD2_N
E22
HSD1_P
F21
HSD1_N
F22
HSD0_P
G21
HSD0_N
G22
HSCLK_P
H21
HSCLK_N
H22
HSCS_P
J21
HSCS_N
J22
BBIC IF
2009.02.03
6 13
A
G
N
D
AJ
AE
AF
AM
AK
I
E
L
AB
B
Y
J
F
AD
AO
AI
Z
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
1
2
3
4
5
6
7
17
18
19
20
21
22
23
24
25
26
27
28
29
W-TV Rx
Digital
Analog
Baseband I/F
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
VCLK_27
Z18
VCLK_IN
K17
VCC3.3V
VCC3.3V
VCC3.3V
VCC1.8VH
VCC3.3V
VCC3.3V
VCC1.8VH
VCLK_IN
AF21
VCLK_27
K17
ACLK_IN
K15
ACLK_27
K15
ACLK_IN
AF9
ACLK_27
Z6
GPIO4
9:I14
GPIO3
9:I14
GPIO6
9:I14
GPIO5
9:I14
R707
4.7K
1005
OPT
R708
4.7K
1005
R717
4.7K
1005
OPT
R713
4.7K
1005
R705
4.7K
1005
R701
4.7K
1005
R714
4.7K
1005
R709
4.7K
1005
R718
22
22
1005
C705
0.1uF
16V
0.1uF
16V
1005
C704
0.1uF
16V
1005
C707
0.1uF
16V
0.1uF
16V
1005
C706
0.1uF
16V
1005
0.1uF
16V
1005
C703
0.1uF
16V
0.1uF
16V
1005
C708
0.1uF
16V
0.1uF
16V
1005
OPT
C710
0.1uF
16V
1005
L702
CIC21J601
VCC3.3V
VCC3.3V
VCC3.3V
VCC3.3V
R721
22
1005
R722
22
1005
VCC3.3V
R702
4.7K
1005
R720
4.7K
4.7K
1005
OPT
L703
CIC21J601
C701
0.1uF
16V
0.1uF
16V
1005
R710
4.7K
1005
R716
4.7K
1005
R715
4.7K
1005
R719
4.7K
4.7K
1005
OPT
L704
CIC21J601
VCC3.3V
VCC3.3V
C709
0.1uF
16V
0.1uF
16V
1005
R703
1K
1005
R706
1.2K
1005
SB9121
IC601
VDAC_SDA
C10
VDAC_SCL
A9
VCLK27
C11
VCLK
B9
ACLK
B13
ACLK27
A13
ADAC_SDA
A14
ADAC_SCL
C13
IC702
CDCE925PWR
3
VDD
2
S0
4
VCTR
1
XIN/CLK
6
VDDOUT_1
5
GND_1
7
Y4
8
Y5
9
VDDOUT_2
10
Y3
11
Y2
12
GND_2
13
Y1
14
S2/SCL
15
S1/SDA
16
XOUT
IC704
CDCE925PWR
3
VDD
2
S0
4
VCTR
1
XIN/CLK
6
VDDOUT_1
5
GND_1
7
Y4
8
Y5
9
VDDOUT_2
10
Y3
11
Y2
12
GND_2
13
Y1
14
S2/SCL
15
S1/SDA
16
XOUT
IC701
AD5622BKSZ-2500RL7
3
SDA
2
SCL
4
VDD
1
ADDR
6
VOUT
5
GND
IC703
AD5622BKSZ-2500RL7
3
SDA
2
SCL
4
VDD
1
ADDR
6
VOUT
5
GND
C711
4.7uF
6.3V
C702
1nF
50V
1nF
50V
1005
R711
14K
1005
R712
16K
1%
1005
R723
1K
1%
1005
L701
CIC21J601
C713
4.7uF
6.3V
4.7uF
6.3V
R704
47
47
1005
C714
150pF
50V
150pF
50V
C715
150pF
50V
150pF
50V
OPT
C712
1uF
6.3V
C716
4.7uF
6.3V
4.7uF
6.3V
X701
27MHz
MAIN: SUNNY / SUB: PARTRON
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
X702
27MHz
MAIN: SUNNY / SUB: PARTRON
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
BBIC Clock Recovery
2009.02.03
7 13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
1
2
3
17
18
19
20
21
22
23
24
25
26
27
28
29
W-TV Rx
Clock Recovery
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
AUDIO_SD0
12:E17
AUDIO_MCLK
12:E17
AUDIO_SCLK
12:E16
AUDIO_WS
12:E16
VIDEO_D05
12:K23
VIDEO_D28
12:S16
VIDEO_D19
12:S18
VIDEO_CLK
12:L23
VIDEO_D08
12:K23
VIDEO_D30
12:S15
VIDEO_D18
12:N23
VIDEO_D10
12:L23
VIDEO_D09
12:L23
VIDEO_D11
12:M23
VIDEO_D07
12:K23
VIDEO_D29
12:S16
VIDEO_D20
12:S18
VIDEO_D33
12:S15
VIDEO_DE
12:E18
VIDEO_HSYNC
12:E18
VIDEO_D16
12:N23
VIDEO_D22
12:S18
VIDEO_D06
12:K23
VIDEO_VSYNC
12:E18
VIDEO_D00
12:J23
VIDEO_D23
12:S17
VIDEO_D31
12:S15
VIDEO_D35
12:S14
VIDEO_D34
12:S15
VIDEO_D21
12:S18
VIDEO_D17
12:N23
VIDEO_D32
12:S15
VIDEO_D12
AA6;12:M23
VIDEO_D02
P6;12:J23
VIDEO_D03
U6;12:J23
VIDEO_D12
X12;12:M23
VIDEO_D02
X9;12:J23
VIDEO_D03
X9;12:J23
AR806
22 2010_A4
TP803
TP804
TP805
TP806
TP807
TP808
R801
4.7K
4.7K
1005
OPT
R802
4.7K
4.7K
1005
OPT
R803
4.7K
4.7K
1005
OPT
VIDEO_D27
12:S17
VIDEO_D26
12:S17
VIDEO_D25
12:S17
VIDEO_D24
12:S17
VIDEO_D15
12:M23
VIDEO_D14
12:M23
VIDEO_D13
12:M23
VIDEO_D04
12:K23
VIDEO_D01
12:J23
IC601
SB9121
D35
K1
D34
K2
D33
K3
D32
J1
D31
J2
D30
J3
D29
H1
D28
H2
D27
H3
D26
G1
D25
G2
D24
G3
D23
F1
D22
F2
D21
F3
D20
E1
D19
E2
D18
E3
D17
D1
D16
D2
D15
D3
D14
C1
D13
C3
D12
A3
D11
C4
D10
B4
D9
A4
ODCK
C5
D8
B5
D7
A5
D6
C6
D5
B6
D4
A6
D3
C7
D2
B7
D1
A7
D0
C8
DE
B8
HSYNC
A8
VSYNC
C9
SB9121
IC601
CLK27
C12
SPDIFO
P1
SD3
M3
SD2
M2
SD1
M1
SD0
L1
MCLKO
L3
LRCK
N2
SCK
N1
MUTE
P2
R804 47
AR811
47
2010_A4
AR802
47
2010_A4
AR808
47
2010_A4
AR810
47 2010_A4
AR803
47
2010_A4
AR805
47
2010_A4
AR807
47
2010_A4
AR804
47
2010_A4
AR801
47
2010_A4
AR809
47
2010_A4
C800
150pF
50V OPT
150pF
50V OPT
2009.02.03
BBIC Audio/Video Output
8 13
A
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
B
Y
J
W
F
AD
U
AO
K
AI
Q
Z
R
AA
AG
AH
M
X
H
P
AL
AN
AC
O
C
T
1
2
3
4
28
29
W-TV Rx
PD : lmac_1pbk disabled
PD : hw umac disabled
Note Special Routing
Audio I/O
Video Out
PD : 6bit DAC
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