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L14 TUNER_EU T2/C/S2
TU2600
TU2601
TDJM-C301D
TUNER_CHINA
EU_TUNER(LNB)
B1[+3.3V]
1
RF_SW_CTL
2
NC_1
3
SCL_RF
4
SDA_RF
5
NC_2
6
NC_3
7
SIF
8
CVBS
9
NC_4
10
NC_5
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B2[+3.3V]
26
SCL_DEMOD
27
B3[+1.1V]
28
NC_6
29
SDA_DEMOD
30
A1
B1
A1
B1
47
A1
SHIELD
A1
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.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TDJM-G101D
+3.3V_LNA
B1[+3.3V]
1
C2608
C2607
0.1uF
NC_1
100pF
50V
16V
2
TUNER_CHINA
OPT
C2500
R2501
AIF_AGC
0.1uF
20K
should be guarded by ground
16V
R2606
3
IF_AGC_MAIN
C2606
0
0.1uF
Close to TUNER
16V
SCL_RF
4
SDA_RF
5
C2609
EU_T2
20pF
AIF[P]
R2604
50V
6
10
AIF[N]
7
EU_T2
NC_2
R2605
10
8
NC_3
9
NC_4
10
B2[+3.3V]
+3.3V_TU
11
C2601
C2600
100pF
0.1uF
EU_T2
ERROR
50V
16V
AR2600
0
12
FE_TS_ERR
FE_TS_CLK
GND_1
FE_TS_SYNC
13
FE_TS_VAL
MCLK
14
SYNC
15
VALID
16
EU_T2
D0
FE_TS_DATA[0-7]
AR2601
0
17
FE_TS_DATA[0]
FE_TS_DATA[1]
D1
FE_TS_DATA[2]
18
FE_TS_DATA[3]
D2
19
D3
20
EU_T2
D4
AR2602
0
21
FE_TS_DATA[4]
FE_TS_DATA[5]
D5
FE_TS_DATA[6]
22
FE_TS_DATA[7]
D6
23
D7
24
RESET_DEMOD
R2600
25
10
DEMOD_RESET
C2602
+3.3V_S2_DE
B3[+3.3V]
0.1uF
26
16V
C2610
SCL_DEMOD
100pF
27
R2601
22
50V
DEMOD_SCL
C2603
20pF
B4[+1.1V]
50V
+1.2V_DEMOD
28
C2611
100pF
EU_T2
F22_OUTPUT
50V
R2602
29
0
LNB_TX
SDA_DEMOD
R2603
22
30
DEMOD_SDA
C2604
20pF
T2_OR_CHINA
50V
LNB
31
LNB_OUT
C2605
0.1uF
EU_T2
GND
50V
32
B1
B1
47
47
RF_SWITCH_CTL
TUNER_CHINA
R2500
1K
+3.3V_TU
R2609
R2611
(Apply)T2CS2_CHINA
1K
1K
(OPT)TU_I2C_FILTER
R2608
33
R2608-*1
TU_SCL
MLG1005SR27JT
(Apply)T2CS2_CHINA
R2615
(OPT)TU_I2C_FILTER
R2607
33
TU_SDA
R2607-*1
C2612
C2615
C2616
MLG1005SR27JT
20pF
20pF
20pF
50V
50V
50V
+3.3V_TU
IF_P_MSTAR
CHINA
R2616
470
IF_N_MSTAR
close to TUNER
C2617
CHINA
R2614
B
0.1uF
4.7K
16V
CHINA
CHINA
AR2600-*1 47
CHINA
AR2601-*1 47
CHINA
AR2602-*1 47
C2613
0.1uF
16V
C2614
0.1uF
16V
MA55
TUNER_EU_ERRC
+3.3V_LNA
+3.3V_TU
L2600
UBW2012-121F
C2619
C2620
22uF
0.1uF
10V
16V
+3.3V_TU
AP7361-Y-13
R2621
3.3K
EN
1
C2618
1uF
GND
2
10V
ADJ/NC
3
0
OPT
+3.3V_TU
CHINA
CHINA
R2619
R2620
220
R2617
220
82
1%
1%
TU_CVBS
TU_SIF
E
CHINA
E
Q2601
MMBT3906(NXP)
Q2600
B
MMBT3906(NXP)
CHINA
CHINA
C
C
R2618
0
OPT
2013/05/23
26
+3.3V_Normal
L2603
UBW2012-121F
OPT
C2622
C2623
C2626
C2624
C2628
22uF
0.1uF
22uF
0.1uF
47uF
10V
16V
6.3V
10V
16V
+1.2V_DEMOD
IC2600
OUT
T2_OR_CHINA
5
R2631
1
R2623
12K
IN
4
1%
R1
C2631
C2627
0.1uF
10uF
16V
10V
R2624
22K
1%
R2
Vo=0.8*(1+R1/R2)
+3.3V_TU
+3.3V_S2_DE
L2601
BLM18PG121SN1D
C2621
C2625
C2629
0.1uF
16V
10uF
0.1uF
10V
16V
GND seperation for CHINA tuner
C2632
1000pF
630V
CHINA
ERROR & VALID PIN
R2629
FE_TS_VAL
0
FE_TS_VAL_ERR
GPIO must be added.
LGE Internal Use Only
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