LG 65LF6300 Service Manual page 40

TU_H_AJ/EU TU_M_BR TU_M_CO TU_M_AJ
TU6401-*1 TU6402-*1 TU6402-*2 TU6402-*3
TDJH-G301D TDJM-B301F TDJM-K301F TDJM-G305D
+3.3V +3.3V +3.3V +3.3V
1 1 1 1
NC_1 NC_1 NC_1 NC_1
2 2 2 2
IF_AGC NC_2 NC_2 NC_2
3 3 3 3
SCL_RF SCL_RF SCL_RF SCL_RF
4 4 4 4
SDA_RF SDA_RF SDA_RF SDA_RF
5 5 5 5
IF[P] NC_3 NC_3 NC_3
6 6 6 6
IF[N] NC_4 NC_4 NC_4
7 7 7 7
SIF SIF SIF SIF
8 8 8 8
CVBS CVBS CVBS CVBS
9 9 9 9
NC_5 NC_5 NC_5
10 10 10
A1 B1 +3.3V_RF +3.3V_RF +3.3V_RF
A1 B1 11 11 11
47 ERROR ERROR ERROR
12 12 12
GND_1 GND_1 GND_1
SHIELD 13 13 13
MCLK MCLK MCLK
14 14 14
SYNC SYNC SYNC
15 15 15
VAILD VAILD VAILD
16 16 16
D0 D0 D0
17 17 17
D1 D1 D1
18 18 18
D2 D2 D2
19 19 19
D3 D3 D3
20 20 20
D4 D4 D4
21 21 21
D5 D5 D5
22 22 22
D6 D6 D6
23 23 23
D7 D7 D7
24 24 24
RESET_DEMOD RESET_DEMOD RESET_DEMOD
25 25 25
+3.3V_DEMOD +3.3V_DEMOD +3.3V_DEMOD
26 26 26
SCL_DEMOD SCL_DEMOD SCL_DEMOD
27 27 27
+1.2V_DEMOD +1.2V_DEMOD +1.2V_DEMOD
28 28 28
NC_6 NC_6 NC_6
29 29 29
SDA_DEMOD SDA_DEMOD SDA_DEMOD
30 30 30
A1 B1 A1 B1 A1 B1
A1 B1 A1 B1 A1 B1
47 47 47
SHIELD SHIELD SHIELD
TU_H/M_BR/CO/TW/CN TU_H/M_KR/US/BR/TW/CO/CN
C6401
C6402
1000pF 1000pF
630V
630V
C6409 C6410
1000pF 1000pF
630V 630V
TU_H/M_AJ TU_H/M_KR/US/AJ
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 ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TU_H_KR/US
TU_CHINA
TU6401
TU6402-*4
TDJM-C401D
TDJH-H301F
+3.3V
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4 1
7
SIF
8
CVBS
9
NC_5 2
10
+3.3V_RF
11
ERROR
12
GND_1 3
13
MCLK
14
SYNC
15
VAILD 4
16
D0
17
D1
18
D2 5
19
D3
20
D4
21
D5 6
22
D6
23
D7
24
RESET_DEMOD 7
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD 8
28
NC_6
29
SDA_DEMOD
30
9
A1 B1
A1 B1
47
SHIELD
A1
A1 B1
47
SHIELD
POWER_ON/OFF2_1
TU_M/W
10K
+3.5V_ST
POK
R6404
EN
L6401
BLM18PG121SN1D
IN
TU_M/W
TU_M/W
C6404
TU_M/W C6403
10uF
0.1uF BIAS
+5V_NORMAL
10V
TU_M/W
C6405
1uF
10V
Vout=0.6*(1+R2/R1)
TU_K_TW
TU6403
TDJK-T301F
+3.3V +3.3V
1
NC_1 NC
2
DIF_AGC
DIF_AGC
3
SCL_RF
SCL_RF
4
SDA_RF
SDA_RF
5
DIF[P]
DIF[P]
6
DIF[N] DIF[N]
7
SIF SIF
8
CVBS CVBS
9
B1 A1 B1
A1 B1
47
SHIELD
D_Demod_Core
TU_M/W
IC6400
TJ2132GDP
[EP]GND
R1
GND
1 8
R2
FB
2 7
C6407
0.01uF
OUT
50V
3 6
2A
SS
4 5
TU_M/W
C6406 C6408
2700pF
10uF
50V 10V
DEV_M_PIP
TU6402
TDJM-H301F
+3.3V
1
NC_1
2
DIF_AGC
3
SCL_RF
4
SDA_RF
5
DIF[P]
6
DIF[N]
7
SIF
8
CVBS
9
NC_2
10
+3.3V_RF
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VALID
16
DATA
17
NC_3
18
NC_4
19
NC_5
20
NC_6
21
NC_7
22
NC_8
23
NC_9
24
RESET_DEMOD
25
+3.3V_DEMOD
26
SCL_DEMOD
27
+1.2V_DEMOD
28
NC_10
29
SDA_DEMOD
30
A1 B1
A1 B1
47
SHIELD
TUNER
1
+3.3V_LNA_TU
2
RF_SWITCH_CTL_TU
3
IF_AGC_TU
4
I2C_SCL6_TU
5
I2C_SDA6_TU
6
IF_P_TU
7
IF_N_TU
8
TU_SIF_TU
9
TU_CVBS_TU
10
11
+3.3V_TU
12
FE_DEMOD1_TS_ERROR
13
14
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_SYNC 15
FE_DEMOD1_TS_VAL 16
17
FE_DEMOD1_TS_DATA[0]
18
FE_DEMOD1_TS_DATA[1]
19
FE_DEMOD1_TS_DATA[2]
20
FE_DEMOD1_TS_DATA[3]
21
FE_DEMOD1_TS_DATA[4]
22
FE_DEMOD1_TS_DATA[5]
23
FE_DEMOD1_TS_DATA[6]
24
FE_DEMOD1_TS_DATA[7]
25
/TU_RESET1_TU
26
+3.3V_DEMOD_TU
27
I2C_SCL4_TU
D_Demod_Core 28
LNB_TX
29
30
I2C_SDA4_TU
2012.03.08
65
LGE Internal Use Only