Read LG 42LE5400 / 42LE5700 / 42LE5750 Service Manual online
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
All location are from 851 to 880
32/37/42/47LE5400-ZA
IFD1
IFD2
QAM_IF+
QAM_IF-
QAM_IF-
QAM_IF+
DTT_IF+
DTT_IF+
DTT_IF-
QAM_IF-
OFDM_AGC
QAM_AGC
IFD1
IFD2
TUNER0_AGC
DTT_IF+
DTT_IF-
DTT_IF-
TUNER0_AGC
+5VT_ANT
1V2_TUNER
3V3_TUNER
5V
5V
5V
3V3_TUNER
5V_TUNER
5V
RF_CVBS [7,9]
TUNER0_SCL
[28]
TUNER0_SDA
[28]
SIF
[7]
TUNER_RESET [11]
I2C1_SCL [13,28,29,30,32]
I2C1_SDA [13,28,29,30,32]
BCN_CTR
[11]
QAM_IF_NARROW-
[29]
DTT_IF_NARROW-
[28]
DTT_IF_NARROW+
[28]
QAM_IF_NARROW+
[29]
BCM_DTT_IF_P [21]
BCM_DTT_IF_N [21]
BCM_DTT_IF_N [21]
SEL_QAM_OFDM [11]
QAM_AGC
[29]
OFDM_AGC
[21,28]
C862
OPEN-330p/50V/1005
C862
OPEN-330p/50V/1005
R867
101/1005
R867
101/1005
L852
SPC6025-101M
SPC6025-101M
L852
SPC6025-101M
SPC6025-101M
C863
OPEN-330p/50V/1005
C863
OPEN-330p/50V/1005
C852
104p/16V/1005
C852
104p/16V/1005
C858
104p/16V/1005
C858
104p/16V/1005
C859
104p/16V/1005
C859
104p/16V/1005
R873
OPEN-000/1005
R873
OPEN-000/1005
R870
101/1005
R870
101/1005
R862
101/1005
R862
101/1005
R874
102/1005
R874
102/1005
RF IN
Antenna power
Booster
+5V
ATV Demod. address
Sound ID output
CVBS output
+1.2V for ATV demod.
+3.3V for ATV demod.
ATV demod. RESET
IF AGC
-LIF
+LIF
U851
VH3681
VH3681
RF IN
Antenna power
Booster
+5V
ATV Demod. address
Sound ID output
CVBS output
+1.2V for ATV demod.
+3.3V for ATV demod.
ATV demod. RESET
IF AGC
-LIF
+LIF
U851
VH3681
VH3681
APW
1
BCN
2
VC1
3
RAG
4
ADR
5
SCL
6
SDA
7
TP
8
SIF
9
NC
10
VID
11
GND
12
VC2
13
VC3
14
RES
15
IAG
16
IF
D1
17
IF
D2
18
GND
19
GND
20
GND
21
GND
22
GND
23
R868
101/1005
R868
101/1005
R872
OPEN-000/1005
R872
OPEN-000/1005
C854
104p/16V/1005
C854
104p/16V/1005
R869
101/1005
R869
101/1005
R871
OPEN-332/1005
R871
OPEN-332/1005
C860
226P/6.3V/2012
C860
226P/6.3V/2012
Q851
MMBT4401
Q851
MMBT4401
1
2
3
R851
000/1005
R851
000/1005
R861
101/1005
R861
101/1005
C864
104p/16V/1005
C864
104p/16V/1005
R876
103/1005
R876
103/1005
C869
100uF/16V/MVK/S
C869
100uF/16V/MVK/S
C868
104p/16V/1005
C868
104p/16V/1005
R856
OPEN-101/1005
R856
OPEN-101/1005
R853
101/1005
R853
101/1005
C865
104p/16V/1005
C865
104p/16V/1005
C866
226P/6.3V/2012
C866
226P/6.3V/2012
R855
101/1005
R855
101/1005
C856
106p/10V/2012
C856
106p/10V/2012
R877
103/1005
R877
103/1005
R852
OPEN-750/F/1005
R852
OPEN-750/F/1005
U853
IDTQS3257Q
IDTQS3257Q
U853
IDTQS3257Q
IDTQS3257Q
I0A
2
I1A
3
YA
4
YB
7
YC
9
YD
12
I1B
6
I0B
5
I0C
11
I1C
10
I1D
13
I0D
14
S
1
/E
15
VCC
16
GND
8
C855
106p/10V/2012
C855
106p/10V/2012
R854
OPEN-101/1005
R854
OPEN-101/1005
C857
OPEN-4R7p/50V/1005
OPEN-4R7p/50V/1005
C857
OPEN-4R7p/50V/1005
OPEN-4R7p/50V/1005
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
PIN1
PIN5
PIN28
PIN46
PIN9
PIN48
PIN31
PIN12
All location are from 881 to 900
32/37/42/47LE5400-ZA
SDAT0
SCLT0
SDAT0
SCLT0
SCLT0
TT_DO0
TT_PSYNC
TT_DEN
TT_OCLK
TT_DEN
TT_PSYNC
TT_PSYNC
TT_OCLK
TT_DO0
IF_AGC0
VDDA_1V2
VDDD_3V3
VDDDC_1V2
VDDA_3V3
VDDDC_1V2
VDDD_3V3
VDDD_1V2
VDDDC_1V2
VDDD_3V3
VDDA_1V2
VDDD_3V3
VDDD_1V2
VDDDC_1V2
VDDA_3V3
VDDD_3V3
1V2_DEMOD
3V3_NOR
VDDD_3V3
OFDM_AGC
[21,27]
CH_TER_RESET [11]
DTT_IF_NARROW+
[27]
DTT_IF_NARROW-
[27]
TUNER0_SCL
[27]
TUNER0_SDA
[27]
I2C1_SCL [13,27,29,30,32]
I2C1_SDA [13,27,29,30,32]
HS1_D0 [11]
HS1_CLK [11]
HS1_VALID [11]
HS1_SYNC
HS1_CLK [11]
HS1_VALID [11]
HS1_SYNC
[11]
C885
OPEN-330p/50V/1005
C885
OPEN-330p/50V/1005
R892
OPEN-000/1005
R892
OPEN-000/1005
R886
OPEN-330/1005
R886
OPEN-330/1005
C884
OPEN-104p/16V/1005
C884
OPEN-104p/16V/1005
R897
OPEN-103/1005
R897
OPEN-103/1005
C892
OPEN-104p/16V/1005
C892
OPEN-104p/16V/1005
U881
OPEN-TDA10048HN
U881
OPEN-TDA10048HN
VDDA_3V3
1
VIM
2
VIP
3
VSSA_3V3
4
VDDD_3V3
5
VSSA_3V3
6
XIN
7
XOUT
8
VDDA_1V2
9
VSSA_1V2
10
VDDA_1V2
11
VDDDC_1V2
12
VSSDC
13
VSSD
14
SDA_TUN
15
SCL_TUN
16
PSYNC/S_PSYNC
17
DEN/S_DEN
18
O
C
LK/
S
_O
CLK
19
DO0/S_UCOR
20
DO1/S_DO
21
DO2/GPIO1
22
DO3/GPIO2
23
DO4/GPIO3
24
DO5
25
DO6
26
DO7
27
VDDD_3V3
28
VSSD
29
VSSDC
30
VDDDC_1V2
31
GPIO0
32
SADDR
33
SDA
34
SCL
35
TRST_N
36
TM
S
37
TDI
38
TCK
39
TDO
40
CLR_N
41
AGC_IF
42
AGC_TUN
43
VSSDC
44
VDDDC_1V2
45
VDDD_3V3
46
VSSD
47
VDDD_1V2
48
GND
49
L881
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L881
OPEN-CIC10P300NC
OPEN-CIC10P300NC
C894
OPEN-104p/16V/1005
C894
OPEN-104p/16V/1005
R890
OPEN-000/1005
R890
OPEN-000/1005
R893
OPEN-470/1005
R893
OPEN-470/1005
C883
OPEN-104p/16V/1005
C883
OPEN-104p/16V/1005
C891
OPEN-104p/16V/1005
C891
OPEN-104p/16V/1005
R895
OPEN-183/1005
R895
OPEN-183/1005
R883
OPEN-102/1005
OPEN-102/1005
R883
OPEN-102/1005
OPEN-102/1005
C886
OPEN-330p/50V/1005
C886
OPEN-330p/50V/1005
C888
OPEN-104p/16V/1005
C888
OPEN-104p/16V/1005
C893
OPEN-104p/16V/1005
C893
OPEN-104p/16V/1005
R891
OPEN-470/1005
R891
OPEN-470/1005
R889
OPEN-470/1005
R889
OPEN-470/1005
C882
OPEN-104p/16V/1005
C882
OPEN-104p/16V/1005
C881
OPEN-104p/16V/1005
C881
OPEN-104p/16V/1005
R896
OPEN-103/1005
R896
OPEN-103/1005
L882
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L882
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L885
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L885
OPEN-CIC10P300NC
OPEN-CIC10P300NC
C887
OPEN-104p/16V/1005
C887
OPEN-104p/16V/1005
R887
OPEN-330/1005
R887
OPEN-330/1005
R888
OPEN-470/1005
R888
OPEN-470/1005
C890
OPEN-104p/16V/1005
C890
OPEN-104p/16V/1005
R894
OPEN-183/1005
R894
OPEN-183/1005
C889
OPEN-104p/16V/1005
C889
OPEN-104p/16V/1005
TP881
TP06
TP06
TP881
TP06
TP06
1
L883
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L883
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L884
OPEN-CIC10P300NC
OPEN-CIC10P300NC
L884
OPEN-CIC10P300NC
OPEN-CIC10P300NC
Y881
OPEN-16.000Mhz/20pF/+-30PPM/SMD
Y881
OPEN-16.000Mhz/20pF/+-30PPM/SMD
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