LG 42lk530 Service Manual page 39
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Also See for 42lk530:
- Owner's manual (246 pages) ,
- Manual del usuario (140 pages) ,
- Service manual (72 pages)
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NON_CHB_TUNER_V
TU5101
UDA55AL
NC_1
1
NC_2
2
+B[+5V]
3
NC[RF_AGC]
4
AS
5
SCL
6
SDA
7
NC(IF_TP)
8
SIF
9
NC_3
10
VIDEO
11
R5101
GND
75
12
OPT
+1.2V
13
+3.3V
14
RESET
15
IF_AGC_CNTL
16
DIF_1
17
DIF_2
18
19
SHIELD
NON_CHB_TUNER_H_LGIT
NON_CHB_TUNER_H
TU5101-*1
TU5101-*2
UFA55AL
TDVJ-H101F
NC_1
ANT_PWR[OPT]
1
1
NC_2
BST_CNTL
2
2
+B[+5V]
+B
3
3
NC[RF_AGC]
NC[RF_AGC]
4
4
AS
AS
5
5
SCL
SCL
6
6
SDA
SDA
7
7
NC(IF_TP)
NC(IF_TP)
8
8
SIF
SIF
9
9
NC_3
NC
10
10
VIDEO
VIDEO
11
11
GND
GND
12
12
+1.2V
1.2V
13
13
+3.3V
3.3V
14
14
RESET
RESET
15
15
IF_AGC_CNTL
IF_AGC_CNTL
16
16
DIF_1
DIF_1
17
17
DIF_2
DIF_2
18
18
19
19
SHIELD
SHIELD
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.
H/NIM (KOR/USA)
+3.3V_S_TU
OPT
R5104
100K
R5103
0
RF_SWITCH_CTL_2
OPT
close to TUNER
R5102
0
OPT
RF_SWITCH_CTL
+5V_TU
C5102
0.1uF
16V
OPT
C5106
C5105
0.1uF
100pF
16V
50V
+1.26V_TU
+3.3V_DE
C5104
C5101
C5103
C5109
100uF
0.1uF
C5107
100pF
16V
0.1uF
16V
100pF
50V
16V
50V
IF_N
IF_P
DUAL COMPONENT
IC5103
1ST : EAN54428101, 2ND : 0IPMG00048A
+5V_TU
R5109
470
E
C5115
close to TUNER
B
100pF
SCL0_3.3V
Q5101
R5108
50V
C
4.7K
MMBT3906(NXP)
SDA0_3.3V
C5111
C5112
18pF
18pF
50V
50V
+3.3V_TU
OPT
R5107
R5105
100K
100
C5110
TU_RESET
100uF
C5114
16V
0.1uF
16V
R5106
IF_AGC
1K
C5113
0.1uF
+5V_Normal
+5V_TU
+3.3V_TU
L5103
L5101
BLM18PG121SN1D
BLM18PG121SN1D
C5116
C5122
C5124
C5120
C5132
0.1uF
0.1uF
22uF
0.1uF
22uF
16V
16V
16V
16V
16V
+3.3V_Normal
+3.3V_TU
L5104
MLB-201209-0120P-N2
C5117
C5121
C5125
C5123
0.1uF
22uF
0.1uF
0.1uF
16V
16V
16V
16V
R5112
82
TU_SIF
+5V_TU
R5113
1K
R5115
R5116
220
220
OPT
OPT
0
TU_CVBS
R5110
E
0
R5111
B
Q5102
1K
R5114
MMBT3906(NXP)
C
OPT
IC5103
+3.3V_TU
AP1117EG-13
L5102
120-ohm
IN
OUT
ADJ/GND
C5118
C5119
2.2uF
2.2uF
16V
16V
VOUT = VREF *(1+R2/R1)
FE_TS_DATA[0-7]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
RF_BOOSTER_CTL
FE_TS_DATA[4]
TS_VAL_ERR
FE_TS_DATA[5]
TU_TS_SYNC
FE_TS_DATA[6]
TU_TS_CLK
FE_TS_DATA[7]
S2_RESET
BCM35230
TUNER_NON CHB
+3.3V_DE
L5105
MLB-201209-0120P-N2
C5128
C5129
10uF
0.1uF
10V
C5126
0.1uF
+1.26V_TU
L5106
BLM18PG121SN1D
C5130
C5131
R1
C5127
22uF
0.1uF
22uF
10V
50V
R2
R5118
4.7
51
51
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