LG 55EA8800, Service Manual

Page: 46 / 101

THERMAL
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.
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[7]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[6]
RF_SWITCH_CTL_TU
+1.23V_D_Demod
C6515
0.1uF
TU_Q/W
/TU_RESET2
/S2_RESET
C6542
0.1uF
I2C_SCL6_TU
+1.23V_D_Demod
C6529
22uF
10V
85C
+3.3V_TU
R6508
100
TU_S/N/Q/W
R6515
4.7K
OPT
C6550
0.1uF
16V
TU_W_BR/TW/CO/JP/_Q_AU
R6527
20K
1%
TU_Q/N/M/W
I2C_SDA6_TU
IF_P
R6521
200
TU_A_GLOBAL_6/7
Q6500
MMBT3906(NXP)
OPT
E
B
C
I2C_SDA4_TU
C6522
0.1uF 16V
OPT
C6554
100pF
50V
+1.8V_TU
Power_D_Demod_TU
TUNER_SIF_TU
L6503
BLM18PG121SN1D
IF_AGC_TU
+3.3V_TU
+1.8V_TU
LNB_TX
FE_DEMOD1_TS_DATA[0]
/TU_RESET1
TUNER_SIF
+1.23V_D_Demod_TU
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL
+3.3V_TU
C6500
18pF
50V
TU_Q/W_KR/BR/CO/TW/JP/AU
+3.3V_TU
FE_DEMOD1_TS_ERROR
R6520
200
TU_A_GLOBAL_6/7
R6529
10K
1%
TU_Q/N/M/W
0.1uF
C6540
TU_Q/N/M/W
I2C_SDA6
+3.3V_TU
L6508
BLM18PG121SN1D
TU_Q/W_KR/JP/AU
RF_SWITCH_CTL_50
FE_DEMOD1_TS_CLK
R6500 1K
TU_N/M_TW/BR
FE_DEMOD1_TS_DATA[7]
FE_DEMOD1_TS_ERROR
+3.3V_TU
FE_DEMOD1_TS_DATA[1]
TU_+1.8V_TU
C6504
18pF
50V
TU_Q/W_KR/BR/CO/TW/JP/AU
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
RF_SWITCH_CTL_50
+3.3V_NORMAL
R6506 100
TU_S/N/Q_T/US/KR/TW/AU
IF_AGC
FE_DEMOD1_TS_DATA[0-7]
+3.3V_TU
R6516
470
OPT
+3.3V_TU
IF_N
C6521
0.1uF
OPT
CN_RESET_TU
C6526
0.1uF
16V
R6518
82
OPT
R6534 0
TU_A_GLOBAL_6/7
FE_DEMOD1_TS_DATA[6]
R6503 22
TU_Q/W
LNB_OUT
C6520
0.1uF
16V
TU_S/N/Q/W
RF_SWITCH_CTL
L6501
BLM18PG121SN1D
TU_Q/W
+1.8V_TU
L6502
BLM18PG121SN1D
TU_N/M_CN/BR
IF_N
I2C_SCL6
+3.3V_TU
R6528
11K
1%
TU_Q/N/M/W
L6500
BLM18PG121SN1D
FE_DEMOD1_TS_DATA[2]
C6530
0.1uF
16V
C6501
0.1uF
TU_N_TW/BR
IC6501
AP2132MP-2.5TRG1
EAN61387601
TU_Q/N/M/W
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
FE_DEMOD1_TS_ERROR
IF_P
FE_DEMOD1_TS_SYNC
TU_CVBS
C6538
10uF
10V
+3.3V_TU
+3.3V_TU
FE_DEMOD1_TS_VAL
L6507
BLM18PG121SN1D
TU_Q/W_KR/BR/TW/CO/JP/AU
Q6501
MMBT3906(NXP)
TU_A_GLOBAL_6/7
E
B
C
I2C_SCL4_TU
R6513
10
TU_Q
I2C_SCL4
I2C_SDA4
+3.3V_TU
R6508-*1
1K 5%
TU_N/M/W_CN/TW/BR/CO
C6503
0.1uF
16V
TU_S/N/Q_T/US/KR/TW/AU
R6502
10
TU_N/M
/S2_RESET_TU
R6510
33
NON_TU_W_BR/TW/CO
FE_DEMOD1_TS_DATA[3]
LNB_OUT
R6531
1
C6531
0.1uF
LNB_TX
/S2_RESET
+1.23V_D_Demod
C6516
0.1uF
16V
TU_N/M/Q/W_KR/CN/BR/JP/AU
IC6503
AZ1117BH-1.8TRE1
1
ADJ/GND
2
OUT
3
IN
+5V_NORMAL
FE_DEMOD1_TS_CLK
TU_CVBS_TU
R6509
33
NON_TU_W_BR/TW/CO
C6535
1uF
TU_Q/N/M/W
R6504 22
TU_Q/W
+3.3V_TU
/TU_RESET1_TU
R6523
10K
TU_Q/N/M/W
C6546
10uF
10V C6548
10uF
10V
R6505
10K
TU_N/M_TW/BR
C6506
47pF
50V
TU_N/Q_KR/TW/BR/CO/AU
C6508
47pF
50V
TU_N/Q_KR/TW/BR/CO/AU
R6502-*1
1K 5%
TU_N_BR
C6502
0.1uF
TU_M/W_BR/TW/CO/CN
R6501 1K
TU_M/W_BR/TW/CO/CN
R6513-*1
1K 5%
TU_W
R6506-*1
100
TU_W_BR/TW
C6514
0.1uF
16V
TU_W_BR/TW/CO/JP/_Q_AU
C6503-*1
0.1uF
16V
TU_W_BR/TW
C6516-*1
0.1uF
16V
TU_W_BR/TW/CO/JP
C6533
10uF
16V
C6549
10uF
16V
R6509-*1
300
TU_W_BR/TW/CO
R6510-*1
220
TU_W_BR/TW/CO
L6508-*1
0
TU_W_BR/TW/CO
C6501-*1
1000pF
TU_W_BR/TW/CO
R6534-*1
150
TU_W_BR/TW/CO
C6508-*1
18pF
TU_W_BR/TW/CO/JP
C6506-*1
18pF
TU_W_BR/TW/CO/JP
R6528-*1
6.8K
1%
TU_W_CO_T2
65
TUNER 2012.07.10
T2 : Max 1.0A
6
11
14
12
1608 perallel
because of derating
close to Tuner
25
mA(MAX)
7
27
26
2
3
30
Signal to Signal Width = 12mils
22
Ground Width >= 24mils
23
33
close to TUNER
13’ Tuner Type for Global
TDS’S’-G501D : T/C Half NIM Horizontal Type
TDS’Q’-G501D : T/C/S2 Combo Horizontal type
TDS’Q’-G601D : T2/C/S2 Combo Horizontal Type
TDS’Q’-G651D : T2/C/S2 Combo Vertical Type
TDS’M’-C601D : China NIM with Isolater Type
TDS’W’-J551F : Japan Dual NIM
TDS’W’-B651F : Brazil 2Tuner
TDS’W’-A651F : Taiwan 2Tuner
TDS’W’-K651F : Colombia DVB-T2 2Tuner
18
16
Global F/E Option Name
1. TU
2. Tuner Name = TDS’S’,TDS’Q’...
3. Country Name = T,T2,S2,KR,US,BR ...
Example of Option name
TU_Q_T2 = apply TDSQ type tuner and T2 country
TU_M/W = apply TDSM&TDSW Type Tuner
else : Max mA
36
8
24
CHB : Max mA
21
1. should be guarded by ground
31
R2
Close to the tuner
R1
35
close to TUNER
9
Vout=0.6*(1+R1/R2)
4
19
2A
should be guarded by ground
3. Signal Width >= 12mils
close to Tuner
34
17
1
2. No via on both of them
5
10
32
20
13
else : Max 0.7A
output : 1.1V_D_Demod
for DVB-T2(V1.3.1) Sony Demod
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only