LG Electronics 28LN45 Flat Panel Television User Manual


 
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.
TUNER_EU
26 13
2013.1.14
FE_TS_DATA[1]
FE_TS_DATA[7]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[0]
FE_TS_DATA[2]
FE_TS_DATA[6]
FE_TS_DATA[5]
R2613
10
C2620
0.1uF
16V
OPT
C2652
20pF
50V
R2604
22
+3.3V_TU
DEMOD_SDA
TU_GND_B
R2610-*1
MLG1005SR27JT
(OPT)TU_I2C_FILTER
+3.3V_S2_DE
C2615
10uF
6.3V
C2600
0.1uF
16V
FE_TS_ERR
DEMOD_RESET
R2602
10
T/C/S2
+3.3V_TUNER
C2631
10uF
10V
OPT
C2618
10uF
6.3V
OPT
C2632
10uF
10V
+3.3V_S2_DE
L2602
BLM18PG121SN1D
C2643
22uF
10V
C2630
0.1uF
16V
C2644
0.1uF
16V
C2646
22uF
10V
L2603
BLM18PG121SN1D
OPT
+3.3V_TU
C2633
0.1uF
16V
OPT
C2634
0.1uF
16V
+3.3V_TU
C2648
0.1uF
16V
+3.3V_TU_CHINA
FE_TS_VAL
R2617
0
Q2601
MMBT3906(NXP)
T2/C/S2
E
B
C
C2614
100pF
50V
OPT
R2626
0
DEMOD_SCL
TUNER_RESET
+1.23V_TUNER
R2615
1K
C2612
20pF
50V
FE_TS_VAL
TU_SDA
R2603
0
OPT
C2619
0.1uF
16V
R2620
1K
R2619
82
T2/C/S2
R2610
TU_I2C_NON_FILTER
33
R2621
0
C2624
100pF
50V
R2637
680
OPT
R2635
680
OPT
R2636
2K
OPT
+3.3V_TU
C2625
0.1uF
16V
C2616
0.1uF
16V
OPT
TU_SIF
FE_TS_ERR
IF_P_MSTAR
C2626
0.1uF
16V
T2/C/S2
C2602
100pF
50V
R2611
100
C2622
0.1uF
16V
R2614
100K
C2604
0.1uF
16V
R2643
0
IF_AGC_MAIN
LNB_TX
FE_TS_CLK
R2609-*1
MLG1005SR27JT
(OPT)TU_I2C_FILTER
TU_SCL
+1.8V_TUNER
R2624
220
T2/C/S2
C2608
100pF
50V
R2623
0
TU_GND_B
+1.23V_TUNER
R2627
0
FE_TS_DATA[0-7]
TU_GND_B
C2607
20pF
50V
S2_RESET
R2625
220
T2/C/S2
R2606
0
OPT
+3.3V_TU_CHINA
C2651
20pF
50V
Q2600
MMBT3906(NXP)
T2/C/S2
E
B
C
R2628
0
C2603
0.1uF
16V
OPT
+3.3V_TU
TU_GND_B
C2611
0.1uF
16V
IF_N_MSTAR
LNB_OUT
L2601
BLM18PG121SN1D
OPT
FE_TS_VAL_ERR
R2616
4.7K
T2/C/S2
RF_SWITCH_CTL
R2642
0
R2622
0
R2612 0
OPT
R2600
51
+3.3V_TU
FE_TS_SYNC
L2600
BLM18PG121SN1D
+3.3V_TU
TU_CVBS
R2618
470
T2/C/S2
R2607 0
OPT
C2617
0.1uF
16V
OPT
R2608
0
T/C/S2
R2601
10
T/C/S2
R2609
TU_I2C_NON_FILTER
33
R2605
22
C2627
100uF
16V
OPT
C2621
100pF
50V
C2623
0.1uF
16V
C2628
100uF
16V
OPT
C2629
0.1uF
16V
OPT
C2650
100uF
16V
OPT
C2649
100uF
16V
OPT
AR2603 0
AR2602 0
AR2601 0
L2606
UBW2012-121F
TU2603
TDSS-G501D(B)
(OPT)TUNER_T/C_H/NIM
5
3.3V
11
DLIF_[N]
2
RESET
10
DLIF_[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
1.8V
6
NC_2
12
SHIELD
A1
A1
B1
B1
TU2602
TDSQ-G601D(B)
TUNER_T2/C/S2_F/NIM
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_2
10
NC_3
11
NC_4
12
NC_5
13
NC_6
14
NC_7
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
+B3[1.23V]
31
DEMOD_RESET
38
SHIELD
32
+B4[3.3V]
33
F22_OUTPUT
34
DEMOD_SCL
35
DEMOD_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
TU2601
TDSQ-G501D(B)
TUNER_T/C/S2_F/NIM
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
NC_2
7
+B2[1.8V]
8
NC_3
9
IF_AGC
10
DIF[P]
11
DIF[N]
12
NC_4
13
NC_5
14
NC_6
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
+B3[1.23V]
31
DEMOD_RESET
38
SHIELD
32
+B4[3.3V]
33
F22_OUTPUT
34
DEMOD_SCL
35
DEMOD_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
NETCAST4.0 EU&CHUNA_TUNER_BLOCK
NC4_S7LRM
should be guarded by ground
GPIO must be added.
GND seperation for CHINA tuner
Close to TUNER
close to TUNER
ERROR & VALID PIN
This was being applied to the only china demod,
so this has to be deleted in both main and ISDB sheet.
12.08.14
diagonal noise improve
121118
SS BEAD->SUNLORD BEAD
EAX65303801
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only