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.
1 13
W-TV Rx
Wireless TV Receiver Board
2009.02.03
1.Title Sheet
2.RFIC
3.Power
4.Power Supply1
5.Power Supply2
6.BBIC IF
7.BBIC Clock Recovery
8.BBIC Audio / Video Out
9.BBIC Control
10.BBIC Misc
11.BBIC Power/Ground
12.HDMI Tx
13.uController
2.RFIC
3.Power
4.Power Supply1
5.Power Supply2
6.BBIC IF
7.BBIC Clock Recovery
8.BBIC Audio / Video Out
9.BBIC Control
10.BBIC Misc
11.BBIC Power/Ground
12.HDMI Tx
13.uController
Title Sheet
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.
HSCS_P
6:Y11
HSCS_N
6:Y10
HSCLK_P
6:Y11
HSCLK_N
6:Y11
HSD0_P
6:Y12
HSD0_N
6:Y12
HSD1_P
6:Y12
HSD1_N
6:Y12
HSD2_P
6:Y13
HSD2_N
6:Y13
HSD3_P
6:Y14
HSD3_N
6:Y13
HSDOUT
6:Y14
BBINQ_P
6:Y16
BBINQ_N
6:Y16
BBOUTI_N
6:Y18
BBOUTI_P
6:Y18
BBOUTQ_P
6:Y18
BBOUTQ_N
6:Y17
BBINI_N
6:Y17
BBINI_P
6:Y17
RFMODE_STBY
6:Y14
XO_EN
AL12;6:Y15
PCLK_P
6:Y16
PCLK_N
6:Y16
VCC1.0V(RF)
VCC1.2V
VCC1.2V
VDD_+2.5V_RxicM
VCC1.0V(RF)
VCC1.2V
VCC1.2V
VDD_+2.5V_RxicM
VCC1.2V
VCC1.2V
AVDD_XO_+3.3V
DVDDIO_VCC3.3V
VCC1.2V
VCC1.2V
VCC1.2V
VCC1.2V
VCC1.2V
VCC1.2V
C241
0.1uF
16V
0.1uF
16V
1005
C212
0.1uF
16V
0.1uF
16V
1005
C225
0.1uF
16V
0.1uF
16V
1005
C231
0.1uF
16V
0.1uF
16V
1005
C238
0.1uF
16V
0.1uF
16V
1005
C207
0.1uF
16V
0.1uF
16V
1005
C232
0.1uF
16V
0.1uF
16V
1005
C239
0.1uF
16V
1005
OPT
C221
0.1uF
16V
0.1uF
16V
1005
C227
0.1uF
16V
0.1uF
16V
1005
C216
0.1uF
16V
0.1uF
16V
1005
C209
0.1uF
16V
1005
0.1uF
16V
1005
C203
0.1uF
16V
0.1uF
16V
1005
C222
0.1uF
16V
0.1uF
16V
1005
C236
0.1uF
16V
0.1uF
16V
1005
C204
0.1uF
16V
0.1uF
16V
1005
C217
0.1uF
16V
0.1uF
16V
1005
C205
0.1uF
16V
0.1uF
16V
1005
C237
100pF
50V
100pF
50V
1005
C206
100pF
50V
100pF
50V
1005
C219
100pF
50V
100pF
50V
1005
C201
100pF
50V
100pF
50V
1005
C213
100pF
50V
100pF
50V
1005
C233
100pF
50V
100pF
50V
1005
C214
100pF
50V
100pF
50V
1005
OPT
C208
100pF
50V
100pF
50V
1005
C234
100pF
50V
100pF
50V
1005
OPT
C228
100pF
50V
100pF
50V
1005
C223
100pF
50V
100pF
50V
1005
C229
100pF
50V
100pF
50V
1005
C240
100pF
50V
100pF
50V
1005
OPT
C218
100pF
50V
100pF
50V
1005
C211
100pF
50V
100pF
50V
1005
C224
100pF
50V
100pF
50V
1005
TP301
TP302
C235
10V
3216
3216
22uF
C215
10V
3216
3216
22uF
R203
3.01K
1%
1005
R201
3.01K
1%
1005
C246
4.7uF
6.3V
4.7uF
6.3V
1608
C230
4.7uF
6.3V
4.7uF
6.3V
1608
C226
4.7uF
6.3V
4.7uF
6.3V
1608
C220
4.7uF
6.3V
4.7uF
6.3V
1608
C245
4.7uF
6.3V
4.7uF
6.3V
1608
C210
4.7uF
6.3V
4.7uF
6.3V
1608
C202
4.7uF
6.3V
4.7uF
6.3V
1608
XO_EN
V22;6:Y15
R206
0
1005
IC201
SB9111
VDDARF_1
C1
VDDARF_2
C2
VDDARF_5
D1
VDDARF_6
D2
VSSA_6
E1
VSSA_7
E2
VDDAPL_1
F1
VDDAPL_2
F2
VDDHARF_1
G1
VDDHARF_2
G2
VSSA_10
H1
VSSA_11
H2
BBINI_N
J1
BBINI_P
J2
VSSA_14
K1
VSSA_15
K2
BBINQ_P
L1
BBINQ_N
L2
VSSA_18
M1
VSSA_19
M2
BBOUTI_N
N1
BBOUTI_P
N2
VSSA_22
P1
VSSA_23
P2
BBOUTQ_P
R1
BBOUTQ_N
R2
VSSA_24
T1
NC_6
U1
VSSA_25
T2
VSSA_31
U2
VDDARF_15
T3
VDDARF_19
U3
VDDARF_16
T4
VDDARF_20
U4
VSSA_26
T5
VSSA_32
U5
VSSA_27
T6
NC_7
U6
NC_3
T7
NC_8
U7
NC_4
T8
VSSA_33
U8
NC_5
T9
REFRESTRIM
U9
ATB_N
T10
ATB_P
U10
REFRES
T11
VSSA_34
U11
VDDHA_1
T12
VDDHA_2
U12
VSSA_28
T13
VSSA_35
U13
VDDARF_17
T14
VDDARF_21
U14
VDDARF_18
T15
VDDARF_22
U15
VSSA_29
T16
VSSA_36
U16
VSSA_30
T17
NC_9
U17
VDDARF_3
C16
VDDARF_4
C17
VDDARF_7
D16
VDDARF_8
D17
VSSA_8
E16
VSSA_9
E17
VDDARF_9
F16
VDDARF_10
F17
VDDARF_11
G16
VDDARF_12
G17
VSSA_12
H16
VSSA_13
H17
VDDARF_13
J16
VDDARF_14
J17
VSSA_16
K16
VSSA_17
K17
VDDABB_1
L16
VDDABB_2
L17
VSSA_20
M16
VSSA_21
M17
PCLK_P
N16
PCLK_N
N17
XTALIN
P16
XTALOUT
P17
VDDXO_1
R16
VDDXO_2
R17
NC_1
A1
VSSA_2
B1
REXT
A2
VSSA_3
B2
SYNTHCAPP
A3
SYNTHCAPN
B3
HSCSP
A4
HSCSN
B4
HSCLKP
A5
HSCLKN
B5
HSD0P
A6
HSD0N
B6
HSD1P
A7
HSD1N
B7
HSD2P
A8
HSD2N
B8
HSD3P
A9
HSD3N
B9
HSDOUT
A10
VDD_1
B10
VDDIO
A11
VSS_4
B11
VSS_1
A12
VDD_2
B12
STBY
A13
XOEN
B13
VSS_2
A14
VSS_5
B14
VSS_3
A15
VSS_6
B15
VSSA_1
A16
VSSA_4
B16
NC_2
A17
VSSA_5
B17
C244
0.1uF
1005
DVDDIO_VCC3.3V
X203
54.0000MHz
PARTRON
4
VDD
1
TRISTATE/OPEN
2
GND
3
OUTPUT
R202
4.53K
1%
1%
RFIC
2009.02.03
2 13
W-TV Rx
12
5
21
24
17
29
8
13
6
22
2
25
18
9
14
7
26
23
3
10
19
15
B
1
27
11
4
20
16
A
28
G
N
V
D
AJ
AE
S
AF
AM
AK
I
E
L
AB
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
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.
VCC3.3V
VCC3.3V
VCC2.5V
VCC1.8VH
VCC1.8VH
VCC3.3V
VCC1.8VH
IOVCC3.3V
CVCC1.8V
PVCC1.8V
AVCC1.8V
DVDDIO_VCC3.3V
AVDD_XO_+3.3V
VDD_+2.5V_RxicM
L310
CIC21J601
L312
CIC21J601
L302
CIC21J601
L309
CIC21J601
L308
CIC21J601
C306
4.7uF
4.7uF
10V
2012
C307
4.7uF
4.7uF
10V
2012
C308
4.7uF
4.7uF
10V
2012
C309
4.7uF
10V
4.7uF
10V
2012
C302
10uF
16V
10uF
16V
3216
C301
10uF
16V
10uF
16V
3216
VCC1.8VH
VCC3.3V
L311
CIC21J601
C310
10uF
16V
10uF
16V
3216
C311
10uF
16V
10uF
16V
3216
C312
10uF
16V
10uF
16V
3216
L303
3.3uH
L304
3.3uH
IC301
AZ1117R-1.8TRE1
SOT89_3PIN
1
ADJ/GND
2
OUTPUT
3
INPUT
Power
2009.02.03
3 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
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.
VCC5V
VCC5V
VCC1.0V
C405
270pF
VCC1.4V
C411
0.047uF
VCC5V
VCC5V
VCC5V
VCC5V
C406
2.7pF
1005
2.7pF
1005
C413
1000pF
1000pF
1005
C403
1000pF
1000pF
1005
R402
10
1005
R409
10K
1005
R403
10K
1005
R414
10K
1005
R413
10K
1005
R412
10
1005
R404
30K
1005
C404
270pF
L404
2uH
NR8040T2R0N
L403
2uH
NR8040T2R0N
C412
1uF
10V
1uF
10V
1608
C414
10uF
16V
3216
C419
10uF
16V
3216
C408
22uF
10V
22uF
10V
3216
C407
10uF
16V
10uF
16V
3216
R418 47K 1005
C423
22pF 1005
C421
22pF
1005
C422
22pF
1005
C424
22pF 1005
VCC1.0V
VCC1.4V
R419
10
1005
R422
10 1005
R421
10 1005
R420
10
1005
AGND0
AGND0
AGND0
L405
CIC21J601
AGND1
L406
CIC21J601
AGND1
AGND1
R423
4.7K
IC403
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R424
15K
1/10W
1%
R425
4.7K
1/10W
1%
VCC5V
IC404
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R426
4.7K
VCC2.5V
VCC3.3V
VCC3.3V
C426
47uF
6.3V
6.3V
7343
C418
47uF
6.3V
7343
6.3V
7343
C417
47uF
6.3V
6.3V
7343
C429
47uF
6.3V
6.3V
7343
L407
CIC21J601
L408
CIC21J601
C428
22uF
10V
22uF
10V
3216
C430
22uF
10V
22uF
10V
3216
R406
10K
1005
R415
12K
1005
R417 10K
1005
R401
20K
1%
1005
C420
1.2pF
1005
C415
1.2pF
1005
R405
10K
C401
0.047uF
1005
C402
1uF
10V
1uF
10V
1608
C425
0.1uF
16V
C427
0.1uF
16V
C431
0.1uF
16V
C432
0.1uF
16V
IC401
SC4624MLTRT
1
PVIN1
3
SS
7
NC_1
9
NC_3
10
COMP
11
FB
12
VCC_2
13
AGND
14
SYNC/EN
15
PGND1
16
PGND2
17
PH1
18
PH2
19
PH3
20
PVIN2
5
VCC_1
8
NC_2
6
PGOOD
4
FS
2
ISET
IC402
SC4624MLTRT
1
PVIN1
3
SS
7
NC_1
9
NC_3
10
COMP
11
FB
12
VCC_2
13
AGND
14
SYNC/EN
15
PGND1
16
PGND2
17
PH1
18
PH2
19
PH3
20
PVIN2
5
VCC_1
8
NC_2
6
PGOOD
4
FS
2
ISET
R408
1.2K
1.2K
1005
R411
18K
1005
R407
1.8K
1.8K
1608
C416
330pF
1608
C409
3.3pF
1608
C410
220pF
1608
1608
R416
24.9K
1%
1005
R410
24.9K
24.9K
1005
4 13
2009.02.03
Power Supply1
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
3.3V/2A
2.5V/2A
1.4V/3.5A
1.0V/3A
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