LG 55LV555H Service Manual page 39

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b-LAN
TU1800
TMMB-H502F
NC_1
1
+3.3V
2
SCL R1803
3
22
SDA
R1871
4
22
IF_AGC
5 C1815
GEM_IF_AGC C1817
AJ19 27pF 27pF
GND_1
6 50V
50V
NC_2
7
NC_3
C l o s e t o b L A N
8
NC_4
9
DIF_N
100
10
IF_N_3549
DIF_P
100
11 IF_P_3549
GND_2
12
+5V
13
JP2_P1
14
JP2_P4
15
J1_P2
16
J1_P3
17
J1_P4
18
J1_P5
19
PTS
R1887 22
20
JP1_P3
R1834 22
21
JP1_P4
R1826
22
22
MPI_DOUT
JP1_P5
R1837 22
23
JP1_P6
R1843 22
24
JP1_P7 R1839 22
25
JP1_P10 R1863 22
26
J2_P1
27
J2_P2
28
J2_P3
29
J2_P4
30
J2_P6
31
32
SHIELD
GND
R1846
L1820
C1831
2200pF
50V
R1842 22
R1841
22
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.
+3.3V
L1810
BLM18PG121SN1D
OPT
OPT OPT
C1823
C1822 C1800
C1836
10uF 22uF
22uF 0 . 1 u F
16V
16V 6.3V
6.3V
9 : A L 1 5 ; 3 : F 1 9 ; 8 : S 1 6 ;
15:U22
SCL1
SDA1 bLAN D/L wafer
JK1803
OPT 9 : A L 1 5 ; 3 : F 1 9 ; 8 : S 1 6 ;
OPT YFDW254-06S
C1813 15:U21
C1803
27pF
27pF
50V
50V
1
3
GEM_IF_AGC IF_AGC_3549
D25
5
1K
1 1 : F 2 5 1 1 : F 2 7
1 1 : F 2 3
22 R1838
22 R1856
22 R1866
b_PTS_CTL
AF7
22 R1831
5 : A I 1 9
MPI_DIN
22 R1827
5:AM19
SPI_DOUT 5:AM22
22 R1858
SPI_DIN
5:AM22
SPI_CLOCK 5:AM23
bLAN_IR_IN_MODEM
5:AN12
+5V_bLAN_EXT
R1822 22
22
B - L a n d E x t e r n a l R J 1 2 j a c k
JK1801
MJ-623PT-6-S-SD
1 MPI_DOUT
MPI_DIN
2
3 MPI_SENSE
Game_control
4
5 GND
6 IR_OUT
7
+5V_bLAN +5V_DEVICE
OPT
C1812 C1820
0 . 1 u F 10uF
16V 10V
2
4
6
JK1800
PEJ027-04
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
R_SPRING
4
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
GND
b-LAN POWER
bLAN_POWER_MANAGE
5:N17;AG21
BLAN CHECK
R1879
47K
bLAN_POWER_MANAGE
5:N17;AG25
B - L a n M P I p i n 3 o u t p u t p o w e r ( 1 2 V o r 5 V ) c o n t r o l
12V_JIG
BLAN CHECK
JP1826
E
2N3906S-RTK
B Q1806
C
+5V_bLAN_EXT
MPI_12V
C
Q1805 B
2SC3052
E
b_PTS_CTL H20
M P I _ 5 V o r 1 2 V ( P I N 3 ) S e l e c t C o n t r o l f r o m b - L A N
LV555H-UA
+5V_ST
BLAN CHECK
+5V_bLAN
Q1807
AO3407A
5VST_JIG
BLAN CHECK R1801
2.2K
G
OPT
OPT
Q1808
C
2SC3052
B
R1892
47K
E
Q1804
AO3407A
C1833
R1802
0 . 1 u F
5VST_JIG
G C1804 2.2K
16V 22uF
OPT
OPT
Q1803 C
B
E
2 0 1 0 . 1 2 . 1 0
b-LAN 18 18