LG EA71G, Service Manual

Page: 51 / 95

THERMAL
THERMAL
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_CIRCUIT
2014-10-17
18
K2H
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
C6529
0.01uF
50V
TU_W_JP
FE_DEMOD1_TS_DATA[6]
C6508
0.1uF
TU_M/W
C6518-*1
1uF
10V
TU_CVBS_1uF
FE_DEMOD1_TS_DATA[5]
R6507
100
TU_W_JP
FE_DEMOD1_TS_VAL
R6508
1K
TU_ALL_IntDemod
R6523
200
TU_EXT_ATV
R6536 0
TU_M/W_NON_JP
C6502
0.1uF
16V
TU_ALL_IntDemod
C6526
10uF
10V
TU_M/W
+5V_NORMAL
L6500
OPT
IF_AGC_TU
POWER_ON/OFF2_2
FE_DEMOD1_TS_1_DATA[7]
R6510 0
TU_EXT_ATV
FE_DEMOD1_TS_DATA[0-7]
I2C_SDA2_TU
I2C_SCL2
FE_DEMOD1_TS_ERROR
C6518
0.1uF
16V
TU_CVBS_0.1uF
R6528
10K
TU_M/W
R6502
10
TU_ALL_IntDemod
R6509
0
1/16W
5%
TU_W_JP
/TU_RESET2_TU
+3.3V_NORMAL
R6537 0
TU_M/W_NON_JP
R6501
10
TU_ALL_IntDemod
C6505
0.1uF
16V
TU_W_JP
TU_CVBS
+5V_NORMAL
C6510
33pF
OPT
C6521
1uF
10V
TU_M/W
R6534 0 TU_W_JP
IF_P_MAIN
C6503
18pF
LNB
C6506
47pF
50V
TU_ALL
C6500
0.1uF
10uF
C6527
10V
TU_W_JP
FE_DEMOD2_TS_VAL_2
C6517
18pF
50V
OPT
/TU_RESET1
R
6
5
4
0
8
.
2
K
1
/
1
6
W
1
%
TU_W_JP
I2C_SDA_D_TU
0.1uF
C6519
TU_M/W
FE_DEMOD2_TS_CLK_2
R6504
33
TU_H/K_US/BR
C6512
0.1uF
TU_W_JP
C6515
0.1uF
TU_M/W
Q6500
MMBT3906(NXP)
TU_EXT_ATV
E
B
C
R6503
33
TU_H/K_US/BR
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[4]
+3.3V_D_TU
IF_P_MAIN
+2.5V_DEMOD
R6511
0
1/16W
5%
TU_M/W
/TU_RESET2
D_Demod_Core
ZD6500
5V
OPT
TU_SIF
R6533 0
TU_W_JP
C6524
2700pF
50V
TU_M/W
FE_DEMOD1_TS_CLK
+3.3V_TU
FE_DEMOD1_TS_SYNC
C6530
2700pF
50V
TU_W_JP
FE_DEMOD2_TS_DATA0_2
FE_DEMOD1_TS_DATA[3]
+3.3V_TU
+3.3V_TU
FE_DEMOD1_TS_ERROR
+3.3V_NORMAL
R6531
10K
TU_W_JP
+3.3V_TU
FE_DEMOD1_TS_1_DATA[4]
R
6
5
2
9
1
0
.
5
K
TU_M/W
C6507
0.1uF
16V
TU_M/W
C6516
18pF
50V
OPT
R6512
0
1/16W
5%
TU_M/W
I2C_SDA2
C6522
10uF
10V
C6531
10uF
10V
TU_W_JP
C6523
10uF
10V
R6538 0
TU_M/W_NON_JP
+3.3V_TU
R6500
0
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[7]
FE_DEMOD2_TS_ERROR
10uF
C6528
10V
TU_W_JP
C6501
0.1uF
LNB
FE_DEMOD1_TS_1_DATA[5]
+3.3V_NORMAL
FE_DEMOD1_TS_VAL
LNB_TX
R6506
100
TU_M/W
Demod_Core
POWER_ON/OFF2_2
FE_DEMOD2_TS_SYNC_2
R6522
200
TU_EXT_ATV
FE_DEMOD1_TS_DATA[6]
L6501
BLM18PG121SN1D
TU_M/W
IF_N_TU
LNB_OUT
/TU_RESET1_TU
LNB_OUT
R
6
5
4
1
2
6
.
1
K
1
/
1
6
W
1
%
TU_W_JP
L6502
BLM18PG121SN1D
R6535 0
TU_W_JP
C6525
0.01uF
50V
TU_M/W
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_ERROR
TU_CVBS_TU
IF_AGC
IC6501
TJ2132GDP
TU_W_JP
3
IN
2
EN
4
BIAS
1
POK
5
SS
6
OUT
7
FB
8
GND
9
[EP]GND
R6532 0
TU_W_JP
C6520
10uF
10V
TU_M/W
IC6500
TJ2132GDP
TU_M/W
3
IN
2
EN
4
BIAS
1
POK
5
SS
6
OUT
7
FB
8
GND
9
[EP]GND
IF_N_MAIN
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_DATA[1]
C6532
0.1uF
16V
TU_W_JP
+3.3V_DEMOD_TU
R6539 0
TU_M/W_NON_JP
FE_DEMOD1_TS_DATA[0]
LNB_TX
I2C_SCL2_TU
IF_P_TU
+2.5V_NORMAL
FE_DEMOD1_TS_DATA[7]
R6505
0
1/16W
5%
TU_M/W
D_Demod_Core
R
6
5
3
0
1
0
K
TU_M/W
+3.3V_LNA_TU
R6521
TU_EXT_ATV
0
C6513
0.1uF
TU_M/W
FE_DEMOD1_TS_1_DATA[6]
+2.5V_NORMAL
I2C_SCL_D_TU
C6509
33pF
OPT
FE_DEMOD1_TS_SYNC
C6504
47pF
50V
TU_ALL
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_CLK_2 FE_DEMOD1_TS_CLK
R6549 0
TU_W_JP
R6550 0
TU_W_JP
FE_DEMOD1_TS_VAL_2
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL_1
R6542 0
TU_M/W_NON_JP
FE_DEMOD1_TS_SYNC_2
FE_DEMOD1_TS_ERROR_2
FE_DEMOD1_TS_CLK_1
R6545 0
TU_M/W_NON_JP
R6544 0
TU_M/W_NON_JP
R6547 0
TU_W_JP
R6548 0
TU_W_JP
FE_DEMOD1_TS_SYNC_1
FE_DEMOD1_TS_ERROR_1
FE_DEMOD1_TS_VAL
R6543 0
TU_M/W_NON_JP
R6551 0
TU_W_JP
FE_DEMOD1_TS_DATA_2[0]
FE_DEMOD1_TS_DATA_1[0]
R6546 0 TU_M/W_NON_JP
FE_DEMOD1_TS_DATA[0]
I2C_SDA2
I2C_SCL2
R6513
51
TU_M/W
R6514
51
TU_M/W
+3.3V_NORMAL
L6503
BLM18PG121SN1D
C6514
10uF
10V
+3.3V_TU_I2C
C6511
10uF
10V
R6552
0
TU_M/W
R6553
0
TU_M/W
R6503-*1
51
TU_M/W
R6504-*1
51
TU_M/W
2A
19
26
Vout=0.6*(1+R2/R1)
3. Signal Width >= 12mils
8
Vout=0.6*(1+R2/R1)
45
close to Tuner
R1
31
SIF pin only Ready for K2H
14
R2
17
Signal to Signal Width = 12mils
should be guarded by ground,Match GND VIA
27
+1.2V_DEMOD
close to Tuner
18
Ground Width >= 24mils
9
2. No via on both of them
2A
12
22
24
10
23
3
Close to Tuner
21
1608 perallel
because of derating
14’ Tuner Type for Global
TDJ’H’-G101D : Half NIM for EU,AJJA
TDJ’H’-H101F : Half NIM for US, KR
TDJ’K’-T101F : Half NIM for TW
TDJ’M’-C301D,F : FULL NIM for China
TDJ’M’-B101F : Brazil NIM with Isolater Type
TDJ’M’-K101F : colombia NIM
TDJ’M’-G101D,G105D,G151D : EU Combo&Full NIM
TDJ’M’-H101F,H151F : Korea PIP tuner
TDJ’W’-A151D : AJJA T2 PIP
4
7
+2.5V
1. should be guarded by ground
38
29
5
close to Tuner
20
R2
28
30
6
25
R1
Global F/E Option Name
1. TU
2. Tuner Name = TDJ’H’,TDj’M’...
3. Country Name = KR,US,BR,EU ...
Example of Option name
TU_ALL_IntDemod = All Tuner type for Internal demod
TU_M/W = apply TDSM&TDSW Type Tuner
16
1
15
11
close to Main
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