Read LG 42PH470U-ZD (CHASSIS:PD32C) Service Manual online
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_TS_DATA[1]
FE_TS_DATA[5]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[6]
FE_TS_DATA[0]
FE_TS_DATA[7]
L6501
BLM18PG121SN1D
S
R6510
33
RF_SWITCH_CTL
R6503
22
S
C6546
10uF
10V
10uF
10V
C6530
0.1uF
16V
R6521
220
T2_BR_CO
C6505
0.1uF
0.1uF
16V
R6504
22
S
C6511
100pF
50V
100pF
50V
+3.3V_D_Demod
+3.3V_D_Demod
C6538
10uF
10uF
10V
OPT
I2C_SDA4
C6521
0.1uF
0.1uF
S
R6512
2.2K
OPT
FE_TS_CLK
R6519
1K
OPT
R6518
82
82
T2_BR_CO
C6514
0.1uF
16V
16V
C6551
100pF
100pF
50V
L6503
BLM18PG121SN1D
IF_P
+3.3V_D_Demod
R6515
4.7K
T2_BR_CO
T2_BR_CO
R6509
33
L6506
BLM18PG121SN1D
NO_T/C&AT
+3.3V_D_Demod
+1.8V_TU
/S2_RESET
C6522
0.1uF
16V
T2_BR_CO
C6529
22uF
10V
IC6503
AZ1117BH-1.8TRE1
1
ADJ/GND
2
OUT
3
IN
Q6501
MMBT3906(NXP)
T2_BR_CO
E
B
C
+1.25V_TU
R6520
220
T2_BR_CO
R6508
100
100
NO_BR_CO
R6516
470
T2_BR_CO
R6531
1
1
C6517
18pF
50V
18pF
50V
OPT
+3.3V_TU
IF_AGC
IF_N
C6524
100pF
100pF
OPT
C6548
0.1uF
16V
0.1uF
16V
R6508-*1
1K
5%
BR_CO
FE_TS_SYNC
C6519
10uF
10uF
10V
S
I2C_SCL4
+3.3V_MULTI
I2C_SCL6
R6513
10
S
+1.25V_TU
+3.3V_TU
C6503
0.1uF
16V
BR_CO
C6550
0.1uF
0.1uF
16V
C6515
0.1uF
S
R6506
100
NO_T2_BR
/TU_RESET
FE_TS_DATA[0-7]
C6527
0.1uF
OPT
Q6500
MMBT3906(NXP)
T2_BR_CO
E
B
C
+3.3V_TU
TUNER_SIF
+1.8V_TU
TU_CVBS
C6531
0.1uF
0.1uF
I2C_SDA6
C6520
0.1uF
16V
C6512
100pF
100pF
S
L6500
BLM18PG121SN1D
LNB_OUT
LNB_TX
C6526
0.1uF
16V
C6518
18pF
50V
18pF
50V
OPT
C6542
0.1uF
0.1uF
NO_T/C&AT
L6504
BLM18PG121SN1D
T2_S_BR
R6502
240
T2_S_BR
IC6501
AZ1117BH-ADJTRE1
T2_S_BR
OUTPUT
INPUT
ADJ/GND
R6501
1
T2_S_BR
R6505
1
T2_S_BR
C6502
10uF
6.3V
T2_S_BR
C6504
10uF
6.3V
T2_S_BR
+1.25V_TU
+3.3V_MULTI
+3.3V_MULTI
+3.3V_TU
+3.3V_TU
FE_TS_VAL
C6506
68pF
50V
50V
OPT
C6508
68pF
50V
68pF
50V
OPT
FE_LNA_Ctrl1
FE_LNA_Ctrl2
/S2_RESET
R6524
2.2K
BR_CO
C6552
0.1uF
BR_CO
0.1uF
BR_CO
+3.3V_D_Demod
R6525
10
BR_CO
R6511
10K
1/16W
5%
R6514
4.7K
1/16W
5%
Q6502
MMBT3904(NXP)
E
B
C
R6517
0
0
1/16W
5%
5%
OPT
+3.3V_TU
R6532
0
OPT
C6553
0.1uF
16V
0.1uF
16V
COLOMBIA_TUNER
C6554
0.1uF
16V
0.1uF
16V
COLOMBIA_TUNER
C6555
0.1uF
0.1uF
16V
NO_T2_BR
R6533
0
0
1/16W
5%
5%
OPT
R6507
10K
BR_CO
R6500
1K
BR_CO
TU6504
TDSS-H501F
TDSS-H501F
NON_BUSHING_US_KR_TUNER
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
ALIF_[P]
3
SCL
7
+B2[1.8]
6
ALIF_[N]
12
SHIELD
A1
A1
B1
B1
TU6500
TDSS-G501D
DVB_T/C
5
3.3V
11
DLIF[N]
2
RESET
10
DLIF_[P]
4
SDA
1
NC
9
IF_AGC
8
ALIF_[P]
3
SCL
7
1.8V
6
ALIF_[N]
12
SHIELD
A1
A1
B1
B1
TU6501
TDSQ-G601D
T2
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_2
10
NC_3
11
NC_4
12
NC_5
13
NC_6
14
NC_7
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
+B3[1.23V]
31
S2/T2_RESET
38
SHIELD
32
+B4[3.3V]
33
S2_F22_OUTPUT
34
S2/T2_SCL
35
S2/T2_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
C6513
4700pF
50V
BR
C6507
100pF
50V
BR
C6516
0.1uF
16V
BR
C6510
1000pF
50V
BR
L6502
BLM18PG121SN1D
BR
TU6501-*1
TDSN-B601F
TDSN-B601F
BRAZIL_TUNER
1
RF_S/W_CTL
2
RESET_TUNER
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
RESET_DEMOD
15
GND
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
SHIELD
A1
A1
B1
B1
TU6502
TDSN-T701F
COLOMBIA_TUNER
1
RF_S/W_CTL
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
IF_AGC
10
DIF[P]
11
DIF[N]
12
NC_1
13
NC_2
14
NC_3
15
GND
16
NC_4
17
NC_5
18
NC_6
19
NC_7
20
NC_8
21
NC_9
22
NC_10
23
NC_11
24
NC_12
25
NC_13
26
NC_14
27
NC_15
SHIELD
59
LNA_CTRL_1
57
LNA_CTRL_2
58
A1
A1
B1
B1
TU6503
TDSQ-G501D
S_TUNER
1
NC_1
2
RESET
3
SCL
4
SDA
5
+B1[3.3V]
6
NC_2
7
+B2[1.8V]
8
NC_3
9
T/C_IF_AGC
10
T/C_DIF[P]
11
T/C_DIF[N]
12
NC_4
13
NC_5
14
NC_6
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
+B3[1.23V]
31
S2_RESET
38
SHIELD
32
+B4[3.3V]
33
S2_F22_OUTPUT
34
S2_SCL
35
S2_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
TU6504-*1
TDSS-H501F(B)
TDSS-H501F(B)
BUSHING_US_KR_TUNER
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8]
6
NC_2
12
SHIELD
A1
A1
B1
X
65
TUNER
2012.03.08
465mA(MAX)
2. No via on both of them
Close to the tuner
Ground Width >= 24mils
close to TUNER
Close to the tuner
T/C/S & H/NIM & T2/C TUNER(EU & CHINA)
3. Signal Width >= 12mils
close to Tuner
Signal to Signal Width = 12mils
1. should be guarded by ground
else : Max 240mA
2012 perallel
because of derating
because of derating
RF_SWITCH_CTL USE: T2/C,T/C,ATSC,DTMB.ISDB-T
Seperate GND for CHB
*V0=1.25(1+1/240)
1.250000=1.25*(1)
1.250000=1.25*(1)
+1.25V_TU
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