LG 50GA6400, Руководство по обслуживанию

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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.
SIGN1100120
SIGN1100121
SIGN1100122
SIGN1100123
SIGN1100124
SIGN1100125
SIGN1100126
SIGN1100129
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]
R6528
11K
1%
L6507
BLM18PG121SN1D
TU_PIP_JAPAN
+1.23V_D_Demod
C6514
100pF
50V
+3.3V_D_Demod
C6515
0.1uF
C6554
100pF
50V
+1.8V_TU
I2C_SCL6
C6548
0.1uF
16V
R6534 0 OPT
+3.3V_NORMAL
C6520
0.1uF
16V
C6506
68pF
50V
OPT
+3.3V_TU
R6529
10K
1%
L6508
BLM18PG121SN1D
TU_PIP_JAPAN
+1.23V_D_Demod
+3.3V_TU
TU_CVBS
L6500
BLM18PG121SN1D
R6531
1
IC6503
AZ1117BH-1.8TRE1
1
ADJ/GND
2
OUT
3
IN
R6510
33
FE_TS_SYNC
FE_TS_VAL
R6509
33
R6527
20K
1%
C6546
10uF
10V
C6516
0.1uF
16V
I2C_SDA6
FE_TS_DATA[0-7]
/TU_RESET1
L6502
BLM18PG121SN1D
TU_F-NIM
IC6501
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C6538
10uF
10V
L6503
BLM18PG121SN1D
C6508
68pF
50V
OPT
R6533 0
OPT
+3.3V_TU
C6530
0.1uF
16V
R6506
100 T/C&AT&CHB
L6501
BLM18PG121SN1D
C6535
1uF
+3.3V_TU
+5V_NORMAL
LNB_TX
IF_AGC
+3.3V_D_Demod
C6550
0.1uF
16V
0.1uF
C6540
+1.8V_TU
FE_TS_CLK
+3.3V_TU
Q6500
MMBT3906(NXP)
E
B
C
C6542
0.1uF
R6515
4.7K
R6508
100
NOT_BR_TW_CN_TUNER
Q6501
MMBT3906(NXP)
E
B
C
C6500
0.1uF
16V
LG1145_ATSC
RF_SWITCH_CTL
C6529
22uF
10V
+1.23V_D_Demod
R6516
470
IF_N
R6513
10
+3.3V_TU
R6523
10K
+1.8V_TU
+3.3V_TU
I2C_SCL4
+3.3V_TU
R6518
82
IF_P
C6531
0.1uF
C6526
0.1uF
16V
LNB_OUT
/S2_RESET
I2C_SDA4
TUNER_SIF
C6533
10uF
10V
C6549
10uF
10V
R6520
200 R6521
200
TU6503-*1
TDSQ-G351D
TU_T2/C/S2
1
N.C_1
2 RESET
3 SCL
4 SDA
5 +B1[3.3V]
6
SIF
7
+B2[1.8V]
8
CVBS
9
N.C_2
10
N.C_3
11
N.C_4
12 +B3[3.3V]
13 +B4[1.23V]
14 N.C_5
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
+B5[1.23V]
31
S2_RESET
38
SHIELD
32 +B6[3.3V]
33 S2_F22_OUTPUT
34 S2_SCL
35 S2_SDA
36
LNB
37
GND_4
R6504 33
R6503 33
TU6501
TDSN-G351D
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
+B3[3.3V]
13
+B4[1.23V]
14
NC_5
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
TDSQ-H051F
1
+5V[SPLITTER]
2
RESET
3
TU_SCL
4
TU_SDA
5
M_+3.3V
6
M_SIF
7
M_+1.8V
8
M_CVBS
9
M_IF_AGC
10
M_DIF[P]
11
M_DIF[N]
12
S_3.3V
13
S_1.8V
14
S_CVBS
15
GND_1
16
SD_ERROR
17
SD_SYNC
18
SD_VALID
19
SD_MCLK
20
SD_SERIAL_D0
21
N.C_1
22
N.C_2
23
N.C_3
24
N.C_4
25
N.C_5
26
N.C_6
27
N.C_7
28
GND_2
29
GND_3
30
SD_1.23V_DEMOD
31
SD_RESET
36
SHIELD
32
SD_3.3V_DEMOD
33
N.C_8
34
SD_SCL
35
SD_SDA
A1
A1
B1
B1
TU6503
TDSQ-G051D
1
N.C_1
2
RESET
3
SCL
4
SDA
5
+3.3V_TUNER
6
SIF
7
+1.8V_TUNER
8
CVBS
9
T/C_IF_AGC
10
T/C_DIF[P]
11
T/C_DIF[N]
12
N.C_2
13
N.C_3
14
N.C_4
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
+1.23V_S2_DEMOD
31
S2_RESET
38
SHIELD
32
+3.3V_S2_DEMOD
33
S2_F22_OUTPUT
34
S2_SCL
35
S2_SDA
36
LNB
37
GND_4
A1
A1
B1
B1
R6535 0
DVB_S
TU_GND_B
TU_GND_A
TU_GND_B
TU_GND_A
TU_GND_A
TU_GND_B
TU_GND_A
TU_GND_B
TU_GND_B TU_GND_A
R7366
0
NON_CHINA
R7367
0
NON_CHINA
R7368
0
NON_CHINA
R7369
0
NON_CHINA
TU_PIN3
TU_PIN4
+3.3V_TU
TU_PIN6
+3.3V_TU
TU_PIN4
TU_PIN6
TU_PIN3
TU_PIN7
TU_PIN7
R6508-*1
1K 5%
BR_TW_CN_TUNER
R6501
100
TU_CHANA
TU_PIN2
TU_PIN2
/TU_RESET1
TU_GND_B
TU_GND_A
TU6508
TDSN-T751F
TU_TW
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_CTRL1
57
LNA_CTRL2
58
A1 A1 B1 B1
TU6509
TDSW-B651F
TU_BR
1 +B1(3.3V)_S/P
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 +B3[3.3V]
13 +B4[1.23V]
14 NC_5
15
GND_1
16
M_ERROR
17
M_SYNC
18
M_VALID
19
M_MCLK
20
M_D0
21 M_D1
22 M_D2
23 M_D3
24 M_D4
25
M_D5
26
M_D6
27
M_D7
28
GND_2
29
GND_3
30
+B5[1.23V]
31 D_RESET
32 +B6[3.3V]
33 NC_6
34 D_SCL
35
D_SDA
GND_4
38
GND_5
39
S_ERROR
40
S_SYNC 41
S_VALID 42
S_MCLK 43
S_D7 44
NC_7
45
NC_8
46
NC_9
47
NC_10
48
NC_11
49
RF_S/W_CTRL 50
NC_12 51
SHIELD
59
A1 A1 B1 B1
RF_SWITCH_CTL_50
RF_SWITCH_CTL_50
R6500 1K
NON_CHINA
C6502
0.1uF 16V
C6504
18pF
50V
C6505
18pF
50V
/S2_RESET
+3.3V_D_Demod
L6506
BLM18PG121SN1D
C6507
10uF
10V
C6501
10uF
10V
TU6505
TDSM-C601D
TU_CHINA
8
CVBS
9
NC_1
10
NC_2
11
NC_3
12
+B3[3.3V]
13
+B4[1.23V]
14
DEMOD_RESET
15
GND
16
NC_4
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
RF_S/W_CTL
50
RESET
51
SHIELD
59
SIF
55
+B1[3.3V]
54
SDA
53
SCL
52
+B2[1.8V]
56
A1
A1
A2
A2
B1
B1
B2
B2
TU6500-*1
TDSS-G151D
T/C_H/NIM_V
5 +B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4 SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7 +B2[1.8V]
6 SIF
12
SHIELD
A1 A1 B1 B1
TU6500
TDSS-H651F(B)
TU_US
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
A1
A1
B1
B1
C6537
1000pF
630V
TU_CHANA
C6536
1000pF
630V
TU_CHANA
R6511 1K
TU_CHINA
C6503
0.1uF
16V
65
TUNER 2012.03.08
R2
T2 : Max 1.7A
else : Max mA
should be guarded by groumd
2012 perallel
because of derating
CHB : Max mA
mA(MAX)
2. No via on both of them
Ground Width >= 24mils
2A
Close to the tuner
close to Tuner
close to TUNER
Vout=0.6*(1+R1/R2)
Close to the tuner
Signal to Signal Width = 12mils
R1
3. Signal Width >= 12mils
else : Max 0.7A
1. should be guarded by ground
GND seperation for CHINA tuner
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only