LG 55EC9300, Руководство по ремонту

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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
TU_GND_B
TU6707
TDJM-G251D
DVB_TDJM_G251D
1
B1[+3.3V]
2
NC_1
3
NC_2
4
SCL_RF
5
SDA_RF
6
NC_3
7
NC_4
8
SIF
9
CVBS
10
NC_5
11
B2[+3.3V]
12
ERROR
13
GND_1
14
MCLK
15
SYNC
16
VAILD
17
D0
18
D1
19
D2
20
D3
21
D4
22
D5
23
D6
24
D7
25
RESET_DEMOD
26
B3[+3.3V]
27
SCL_DEMOD
28
B4[+1.1V]
29
F22_OUTPUT
30
SDA_DEMOD
31
LNB
47
SHIELD
32
GND_2
B1
B1
A1
A1
TU_GND_B
I2C_SDA6_TU
D_Demod_Core
FE_DEMOD1_TS_DATA[1]
TU_GND_B
FE_DEMOD1_TS_CLK
TU_CVBS_TU
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_DATA[2]
+3.3V_LNA_TU
IF_P_TU
TU_GND_A
IF_N_TU
TU_GND_A
FE_DEMOD2_TS_CLK
TU_GND_A
RF_SWITCH_CTL_TU
+2.5V_DEMOD
R6701
0
TU_M_KR/US
C6701
1000pF
630V
TU_M_EU/AJ/KR/US/CN
I2C_SCL6_TU
TU6701
TDJM-H151F
ATSC_TDJM_H151F
1
B1[+3.3V]
2
NC_1
3
M_DIF_AGC
4
SCL_RF
5
SDA_RF
6
M_DIF[P]
7
M_DIF[N]
8
S_SIF
9
S_CVBS
10
NC_2
11
B2[+3.3V]
12
S_ERROR
13
GND_1
14
S_MCLK
15
S_SYNC
16
S_VAILD
17
S_DATA
18
NC_3
19
NC_4
20
NC_5
21
NC_6
22
NC_7
23
NC_8
24
NC_9
25
S_RESET_DEMOD
26
B3[+3.3V]
27
SCL_DEMOD
28
B4[+1.1V]
29
NC_10
30
SDA_DEMOD
47
SHIELD
B1
B1
A1
A1
FE_DEMOD1_TS_DATA[3]
FE_DEMOD2_TS_VAL
FE_DEMOD1_TS_DATA[4]
+3.3V_DEMOD_TU
TU_GND_A
FE_DEMOD1_TS_ERROR
I2C_SDA4_TU
FE_DEMOD1_TS_DATA[7]
FE_DEMOD1_TS_ERROR
/TU_RESET1_TU
R6700
0
TU_M_KR/US
+3.3V_TU
TDJH-H251F
TU6703
ATSC_TDJH_H251F
47
SHIELD
6
DIF[P]
7
DIF[N]
8
SIF
9
CVBS
1
B1[+3.3V]
2
NC
3
DIF_AGC
4
SCL
5
SDA
A1
A1
B1
B1
FE_DEMOD1_TS_SYNC
LNB_OUT
IF_AGC_TU
/TU_RESET2_TU
TU_GND_A
FE_DEMOD2_TS_DATA
I2C_SCL4_TU
FE_DEMOD2_TS_SYNC
+3.3V_TU
FE_DEMOD1_TS_DATA[5]
TU_SIF_TU
FE_DEMOD1_TS_VAL
TU_GND_B
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[0]
L6502
BLM18PG121SN1D
FE_DEMOD1_TS_VAL
FE_DEMOD2_TS_ERROR
FE_DEMOD1_TS_SYNC
+2.5V_DEMOD
LNB_TX
+2.5V_NORMAL
C6508
0.1uF
TU_GND_B
C6801
1000pF
630V
TU_M/W_EU/AJ/TW/BR/CN
R6802
0
TU_M
R6803
0
TU_M
R6804
0
TU_W
R6805
0
TU_W
R6801 0
TU_M/W_TW/BR/CN
R6702 10
TU_M_EU/AJ/KR/US
R6801-*1 22
TU_M_EU/AJ
R6702-*1 0
TU_M_CN
TU6701-*1
TDJM-G255D
DVB_TDJM-G255D
1
B1[+3.3V]
2
NC_1
3
NC_2
4
SCL_RF
5
SDA_RF
6
NC_3
7
NC_4
8
SIF
9
CVBS
10
NC_5
11
B2[+3.3V]
12
ERROR
13
GND_1
14
MCLK
15
SYNC
16
VAILD
17
D0
18
D1
19
D2
20
D3
21
D4
22
D5
23
D6
24
D7
25
RESET_DEMOD
26
B3[+3.3V]
27
SCL_DEMOD
28
B4[+1.2V]
29
F22_OUTPUT
30
SDA_DEMOD
47
SHIELD
B1
B1
A1
A1
TU6701-*2
TDJM-C351D
DVB_TDJM-C351D
1
B1[+3.3V]
2
RF_SW_CTL
3
NC_1
4
SCL_RF
5
SDA_RF
6
NC_2
7
NC_3
8
SIF
9
CVBS
10
NC_4
11
NC_5
12
ERROR
13
GND_1
14
MCLK
15
SYNC
16
VAILD
17
D0
18
D1
19
D2
20
D3
21
D4
22
D5
23
D6
24
D7
25
RESET_DEMOD
26
B2[+3.3V]
27
SCL_DEMOD
28
B3[+1.1V]
29
NC_6
30
SDA_DEMOD
47
SHIELD
B1
B1
A1
A1
TDJW-B251F
TU6700
TU_TDJW-B251F
47
SHIELD
6
NC_2
7
NC_3
25
M_RESET_DEMOD
33
NC_7
8
M_SIF
26
B3[+3.3V]
34
M_ERROR
9
M_CVBS
27
SCL_DEMOD
35
GND_2
1
B1[+3.3V]
10
NC_4
28
B4[+1.1V]
2
RF_S/W_CTL
11
B2[+3.3V]
29
NC_6
3
NC_1
12
NC_5
30
SDA_DEMOD
4
SCL_RF
13
GND_1
5
SDA_RF
36
M_SYNC
37
M_MCLK
38
NC_8
39
M_VALID
40
M_DATA
41
S_ERROR
42
S_SYNC
43
S_MCLK
44
S_VALID
45
S_RESET_DEMOD
46
S_DATA
B1
B1
A1
A1
TDJW-K152F
TU6700-*1
TU_TDJW_152F
47
SHIELD
6
NC_2
7
NC_3
25
M_RESET_DEMOD
33
NC_7
8
S_SIF
26
B3[+3.3V]
34
M_ERROR
9
S_CVBS
27
SCL_DEMOD
35
GND_2
1
B1[+3.3V]
10
NC_4
28
B4[+1.2V]
2
SWITCH_CTR
11
B2[+3.3V]
29
NC_6
3
NC_1
12
NC_5
30
SDA_DEMOD
4
SCL_RF
13
GND_1
5
SDA_RF
36
M_SYNC
37
M_MCLK
38
NC_8
39
M_VALID
40
M_DATA
41
S_ERROR
42
S_SYNC
43
S_MCLK
44
S_VALID
45
S_RESET_DEMOD
46
S_DATA
B1
B1
A1
A1
TU_SYMBOL 2012.09.14
DVB-T GND
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Only for training and service purposes LGE Internal Use Only