LG 50LF6090 Service Manual page 37
Hide thumbs
Also See for 50LF6090:
- Service manual (79 pages) ,
- Owner's manual (37 pages) ,
- Easy setup manual (37 pages)
Advertisement
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
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'Q'-G705D : Singapore DVB-T2 (V1.3.1)
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
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 ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
close to Tuner
+3.3V_TUNER
L6500
BLM18PG121SN1D
close to TUNER
1
+3.3V_LNA_TU
C6501
0.1uF
Global flag
2
RF_SWITCH_CTL_TU
C6504
R6503
0.1uF
10K
3
IF_AGC_TU
C6502
close to Tuner
0.1uF
16V
4
I2C_SCL6_TU
C6505
47pF
5
50V
I2C_SDA6_TU
C6503
OPT
47pF
50V
OPT
6
IF_P
should be guarded by ground,Match GND VIA
7
IF_N
8
TU_SIF_TU
9
TU_CVBS_TU
10
11
+3.3V_TU
close to Tuner
12
FE_DEMOD1_TS_ERROR
14
FE_DEMOD1_TS_CLK
15
FE_DEMOD1_TS_SYNC
16
FE_DEMOD1_TS_VAL
17
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[1]
18
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[2]
19
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[3]
20
FE_DEMOD1_TS_DATA[4]
21
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[7]
22
23
FE_DEMOD1_TS_DATA[6]
24
FE_DEMOD1_TS_DATA[7]
25
/TU_RESET1_TU
C6507
16V
0.1uF
26
+3.3V_DEMOD_TU
27
I2C_SCL4_TU
L6505
BLM18PG121SN1D
28
D_Demod_Core
TU_DEMOD_CORE
C6506
0.1uF
29
LNB_TX
LNB_TX
TU_DEMOD_CORE
30
I2C_SDA4_TU
31
LNB_OUT
LNB_OUT
34
FE_DEMOD2_TS_ERROR
FE_DEMOD2_TS_ERROR
36
FE_DEMOD2_TS_SYNC
FE_DEMOD2_TS_SYNC
37
FE_DEMOD2_TS_CLK
FE_DEMOD2_TS_CLK
38
39
FE_DEMOD2_TS_VAL
FE_DEMOD2_TS_VAL
40
FE_DEMOD2_TS_DATA
FE_DEMOD2_TS_DATA
R6502
100
/TU_RESET2
45
/TU_RESET2_TU
C6509
16V
0.1uF
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
R6507 1K
RF_SWITCH_CTL
R6506
100
IF_AGC
R6511
I2C_SCL6
33
R6512
+3.3V_TUNER
I2C_SDA6
33
TU_HK
TUNER_SIF
TU_HK
R6516
R6513
0
200
IF_P
IF_N
B
+3.3V_TUNER
L6501
BLM18PG121SN1D
C6510
0.1uF
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL
FE_DEMOD1_TS_DATA[0-7]
R6501
+3.3V_TUNER
100
/TU_RESET1
L6503
BLM18PG121SN1D
C6511
0.1uF
R6510
33
I2C_SCL4
Demod_Core
OPT
C6513
18pF
50V
OPT
R6509
33
I2C_SDA4
C6512
18pF
50V
TU_NO_DEMOD_CORE
+3.3V_NORMAL
IC6515
AZ1117BH-1.2TRE1
IN
OUT
GND/ADJ
C6508
0.1uF
16V
TU_NO_DEMOD_CORE
1608 perallel
+3.3V_NORMAL
because of derating
TU_HK
L6502
R6517
BLM18PG121SN1D
200
TU_CVBS
C6526
0.1uF
E
16V
TU_HK
Q6502
MMBT3906(NXP)
C
TU_DEMOD_CORE
IC6500
+3.3V_TUNER
AP2132MP-2.5TRG1
TU_DEMOD_CORE
C6516
1
0.1uF
PG
2
TU_DEMOD_CORE
EN
R6518
10K
3
VIN
2A
+5V_NORMAL
4
VCTRL
EAN61387601
TU_DEMOD_CORE
C6515
1uF
Vout=0.6*(1+R1/R2)
DELETE 1.8V POWER
1.2V_MHL
TU_NO_DEMOD_CORE
C6514
C6519
10uF
0.1uF
10V
16V
TU_NO_DEMOD_CORE
TUNER_CIRCUIT
/TU_RESET2_TU
/TU_RESET2
FE_DEMOD1_TS_ERROR
mA(MAX)
+3.3V_TUNER
C6529
C6530
22uF
0.1uF
16V
10V
85C
T2 : Max 1.7A
else : Max 0.7A
Demod_Core
[EP]
TU_1.2V
R6521
20K
R2
8
1%
GND
R6519
TU_1.2V
7
11K
1%
R1
ADJ
R6520
10K
TU_1.2V
1%
6
VOUT
5
NC
TU_DEMOD_CORE
C6518
10uF
16V
2013.07.16
565
LGE Internal Use Only
Advertisement
