LG 60PH6700 Service Manual page 25

T/C/S & H/NIM & T2/C TUNER(EU & CHINA)
TU6504 TU6500
TDSS-H501F
TDSS-G501D
NON_BUSHING_US_KR_TUNER DVB_T/C
NC NC
1 1
RESET RESET
2 2
SCL SCL
3 3
SDA SDA
4 4
+B1[3.3V] 3.3V
5 5
ALIF_[N] ALIF_[N]
6 6
+B2[1.8] 1.8V
7 7
ALIF_[P] ALIF_[P]
8 8
IF_AGC IF_AGC
9 9
DIF[P] DLIF_[P]
10 10
DIF[N] DLIF[N]
11 11
B1 A1 B1 A1
B1 A1 B1 A1
12 12
SHIELD SHIELD
LNA_CTRL_1
FE_LNA_Ctrl1
LNA_CTRL_2
FE_LNA_Ctrl2
COLOMBIA_TUNER
COLOMBIA_TUNER
C6553 C6554
0.1uF
0.1uF
16V 16V
BRAZIL_TUNER
TU6501-*1
TDSN-B601F
RF_S/W_CTL
1
RESET_TUNER
2
SCL
3
SDA
4
BUSHING_US_KR_TUNER
+B1[3.3V]
5
SIF TU6504-*1
6
TDSS-H501F(B)
+B2[1.8V]
7
CVBS
8 NC_1
1
NC_1
9 RESET
2
NC_2
10 SCL
3
NC_3
11 SDA
4
+B3[3.3V]
12 +B1[3.3V]
5
+B4[1.23V]
13 NC_2
6
RESET_DEMOD
14 +B2[1.8]
7
GND
15 NC_3
8
ERROR
16 IF_AGC
9
SYNC
17 DIF[P]
10
VALID
18 DIF[N]
11
MCLK
19
X A1
D0 B1 A1
20
D1
21 12
D2
22
SHIELD
D3
23
D4
24
D5
25
D6
26
D7
27
B1 A1
B1 A1
28
SHIELD
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.
Copyright © 2013 LG Electronics Inc. All rights reserved.
Only for training and service purposes
RF_SWITCH_CTL USE: T2/C,T/C,ATSC,DTMB.ISDB-T
TU6502 TU6501
TDSN-T701F TDSQ-G601D
COLOMBIA_TUNER T2
RF_S/W_CTL NC_1
1 1
RESET RESET
2 2
SCL SCL
3 3
SDA SDA
4 4
+B1[3.3V] +B1[3.3V]
5 5
SIF SIF
6 6
+B2[1.8V] +B2[1.8V]
7 7
CVBS CVBS
8 8
IF_AGC NC_2
9 9
DIF[P] NC_3
10 10
DIF[N] NC_4
11 11
NC_1
NC_5
12 12
NC_2
NC_6
13 13
NC_3
NC_7
14 14
GND
GND_1
15 15
NC_4
ERROR
16 16
NC_5
SYNC
17 17
NC_6
VALID
18 18
NC_7
MCLK
19 19
NC_8
D0
20 20
NC_9
D1
21 21
NC_10
D2
22 22
NC_11
D3
23 23
NC_12
D4
24 24
NC_13
D5
25 25
NC_14
D6
57 26 26
NC_15
D7
58 27 27
GND_2
B1 A1 28
B1 A1
GND_3
59 29
+B3[1.23V]
30
SHIELD
S2/T2_RESET
31
+B4[3.3V]
32
S2_F22_OUTPUT
33
S2/T2_SCL
34
S2/T2_SDA
35
LNB
36
GND_4
37
B1 A1
B1 A1
38
SHIELD
TU6503
TDSQ-G501D
close to TUNER
BR_CO
S_TUNER
R6500 1K
C6503
NC_1 BR_CO
1 0.1uF
16V R6508-*1
BR_CO
R6508
RESET 1K 5%
2 100
NO_BR_CO
SCL R6509
3
I2C_SCL6
C6508 33
OPT 68pF
SDA R6510
4
50V
I2C_SDA6
OPT C6506 33
+3.3V_TU
68pF
+B1[3.3V]
5
50V
C6511 C6514
100pF
0.1uF
NC_2
6 50V
16V
L6500
close to Tuner
+B2[1.8V] BLM18PG121SN1D
7
+1.8V_TU
C6551
C6550 C6505
NC_3 100pF 0.1uF 0.1uF
8
50V 16V 16V
NO_T2_BR
T/C_IF_AGC
100
9 R6506
IF_AGC
C6555
NO_T2_BR
0.1uF
T/C_DIF[P]
16V
10
IF_P
T/C_DIF[N]
11
IF_N
NC_4
12
NC_5
13
NC_6
14
BR BR BR
GND_1 C6507 C6510 C6513
15
100pF 1000pF 4700pF
50V 50V 50V
ERROR
16
SYNC
17
VALID
18
MCLK
19
D0
20
D1
21
D2
22
D3
23
D4
24
D5
25
D6
26
D7
27
Seperate GND for CHB
GND_2
28
GND_3
29
+B3[1.23V]
30
S2_RESET
31
+B4[3.3V]
32
S2_F22_OUTPUT
33
S2_SCL
34
S2_SDA
35
LNB
36
GND_4
37
B1 A1
B1 A1
38
SHIELD
+3.3V_TU
C6520 C
0.1uF
16V Q6502
MMBT3904(NXP)
E
OPT R6517
RF_SWITCH_CTL
0
R6533
0
1/16W
1/16W 5%
5%
+3.3V_TU
T2_BR_CO
R6516
470
R6518
82
T2_BR_CO TUNER_SIF
E
T2_BR_CO
C6522
B
Q6500
0.1uF 16V C
R6515 MMBT3906(NXP)
4.7K
T2_BR_CO
T2_BR_CO
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
+3.3V_D_Demod
+1.25V_TU
L6502
BR BLM18PG121SN1D
+3.3V_D_Demod
C6516 BR
0.1uF BR_CO
16V
R6524
2.2K
R6525
10
C6552 /S2_RESET
BR_CO
0.1uF
BR_CO
FE_TS_SYNC
FE_TS_VAL
FE_TS_CLK
FE_TS_DATA[0-7]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[3]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[6]
FE_TS_DATA[7]
S
+1.25V_TU
L6501
BLM18PG121SN1D
S
+3.3V_D_Demod
C6512
C6519
C6515
100pF 10uF R6512
0.1uF
S 10V
2.2K
S OPT
S
R6513
10
C6521 /S2_RESET
0.1uF
+3.3V_D_Demod
S
OPT
C6524 C6527
100pF 0.1uF
OPT
LNB_TX
R6503 22
I2C_SCL4
C6517 S
18pF
50V
OPT
R6504 22
I2C_SDA4
C6518 S
18pF
LNB_OUT 50V
OPT
B
/TU_RESET
OPT
+3.3V_TU
R6520 R6521 2012 perallel
220 220
because of derating
T2_BR_CO T2_BR_CO
TU_CVBS
E
Q6501
MMBT3906(NXP)
B T2_BR_CO
R6519
C
1K
OPT
R6532
0
OPT +3.3V_D_Demod
+3.3V_TU
NO_T/C&AT
L6506
BLM18PG121SN1D
OPT
NO_T/C&AT
C6538 C6542
C6531
10uF 0.1uF
0.1uF 10V
Close to the tuner
+3.3V_MULTI
+1.25V_TU
+1.25V_TU
T2_S_BR
IC6501
AZ1117BH-ADJTRE1
INPUT ADJ/GND
C6502
10uF
6.3V
OUTPUT
C6504
T2_S_BR
10uF
6.3V
240 T2_S_BR
R6502
T2_S_BR
*V0=1.25(1+1/240)
1.250000=1.25*(1)
else : Max 240mA
+3.3V_MULTI
+1.8V_TU
IC6503
AZ1117BH-1.8TRE1
IN OUT
3 2
1 R6531
1
ADJ/GND
C6546 C6548
10uF 0.1uF
10V 16V
465mA(MAX)
+3.3V_MULTI
+3.3V_TU
L6503
BLM18PG121SN1D
C6529
C6526
C6530
0.1uF 22uF 0.1uF
16V
16V 10V
Close to the tuner
TUNER 2012.03.08
65
LGE Internal Use Only