Read LG 50LA6650 (CHASSIS:LA33B) Service Manual online
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.
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
0.1uF
I2C_SCL6_TU
+1.23V_D_Demod
C6529
22uF
10V
85C
+3.3V_TU
R6508
100
100
TU_S/N/Q/W
R6515
4.7K
OPT
C6550
0.1uF
0.1uF
16V
OPT
R6527
20K
1%
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
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
18pF
50V
TU_Q/W_KR/BR/CO/TW
+3.3V_TU
FE_DEMOD1_TS_ERROR
R6520
200
TU_A_GLOBAL_6/7
R6529
10K
1%
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/BR/TW/CO/JP
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
18pF
50V
TU_Q/W_KR/BR/CO/TW
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
IF_AGC
FE_DEMOD1_TS_DATA[0-7]
+3.3V_TU
R6516
470
OPT
+3.3V_TU
IF_N
C6521
0.1uF
0.1uF
OPT
CN_RESET_TU
C6526
0.1uF
16V
R6518
82
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%
11K
1%
TU_Q/N/M/W
L6500
BLM18PG121SN1D
FE_DEMOD1_TS_DATA[2]
C6530
0.1uF
16V
C6501
0.1uF
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
10uF
10V
+3.3V_TU
+3.3V_TU
FE_DEMOD1_TS_VAL
L6507
BLM18PG121SN1D
TU_Q/W_KR/BR/TW/CO/JP
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_CN/TW/BR
C6503
0.1uF
0.1uF
16V
TU_S/N/Q_T/US/KR/TW
R6502
10
TU_N/M
/S2_RESET_TU
R6510
33
FE_DEMOD1_TS_DATA[3]
LNB_OUT
R6531
1
1
C6531
0.1uF
0.1uF
LNB_TX
/S2_RESET
+1.23V_D_Demod
C6516
0.1uF
16V
TU_N/M/Q/W_KR/CN/BR/JP
IC6503
AZ1117BH-1.8TRE1
1
ADJ/GND
2
OUT
3
IN
+5V_NORMAL
FE_DEMOD1_TS_CLK
TU_CVBS_TU
R6509
33
C6535
1uF
1uF
TU_Q/N/M/W
R6504
22
TU_Q/W
C6514
100pF
50V
50V
OPT
+3.3V_TU
/TU_RESET1_TU
R6523
10K
10K
TU_Q/N/M/W
C6549
10uF
10V
TU_Q/N/M/W
C6533
10uF
10V
TU_Q/N/M/W
C6546
10uF
10V
10uF
10V
C6548
10uF
10V
10uF
10V
R6505
10K
10K
TU_N/M_TW/BR
C6506
47pF
50V
47pF
50V
TU_N/Q/W_KR/TW/BR/CO
C6508
47pF
50V
47pF
50V
TU_N/Q/W_KR/TW/BR/CO
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
65
TUNER
2012.07.10
T2 : Max 1.7A
6
11
14
12
1608 perallel
because of derating
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’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
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 ...
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
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
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