LG 32LN57 Series Service Manual page 37

TDSS-H501F(B)
X
B1
TUNER MULTI-OPTION
DVB_H/NIM_H
TU6400-*1
TDSS-G501D(B)
NC_1
1
GND seperation for ASIS tuner
RESET
2
SCL
3
SDA
4
3.3V
5
NC_2
6
1.8V
7
NC_3
8
IF_AGC
9
DLIF_[P]
10
DLIF_[N]
11
B1 A1
B1 A1
12
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
TU6405 TU6401
TU6400
TDSH-G501D(B) TDSN-T701F(B)
ATSC_H/NIM_H Taiwan_high_sensitive
DVB_H/NIM_H
NC
NC_1 RF_S/WCTL
1 1
RESET RESET
RESET
2 2
SCL
SCL
SCL
3
3
SDA
SDA SDA
4 4
+B1[3.3V]
+B1[3.3V] B1[+3.3V]
5 5
SIF
NC_2 SIF
6 6
+B2[1.8V]
+B2[1.8] B2[1.8V]
7 7
NC_3 CVBS
CVBS
8 8
IF_AGC
IF_AGC
IF_AGC
9
9
DIF[P]
DIF[P] DIF[P]
10 10
DIF[N]
DIF[N] DIF[N]
11 11
A1 B1 A1
A1 B1 A1
12
B2 A2
SHIELD
TU_N_TW
R6401 LNA_CTRL_1
2.2K
57
FE_LNA_Ctrl1
R6402 LNA_CTRL_2
2.2K
58
FE_LNA_Ctrl2
TU_N_TW
C6405 C6404
SHIELD
0.1uF
TU_N_TW 0.1uF
B1
16V 16V
TU_N_TW
1.2V_MHL
TU_H/N/S_T/US
+3.3V_NORMAL
IC6400
AZ1117BH-1.2TRE1
IN OUT
GND/ADJ
C6402
0.1uF
16V
TU_H/N/S_T/US
TU_H/N/S_T/US
TU6406
TU6403
TDSQ-H601F(B)
TDSN-B601F(B)
TU_Korea_PIP
TU_BR
+B1[+3.3V_S/P]
RF_S/W_CTL
1 1 1
RESET
RESET_TUNER
2 2 2
TU_SCL
SCL
3 3 3
TU_SDA
SDA
4 4 4
+B2[3.3V_M]
+B1[3.3V]
5 5 5
S_SIF
SIF
6 6 6
+B3[1.8V_M]
+B2[1.8V]
7 7 7
S_CVBS
CVBS
8 8 8
M_IF_AGC
NC_1
9 9 9
M_DIF[P]
NC_2
10 10 10
M_DIF[N]
NC_3
11 11 11
NC_1 +B4[3.3V_S]
+B3[3.3V]
12 12 12
NC_2 +B5[1.8V_S]
+B4[1.23V]
13 13 13
NC_3 NC_1
RESET_DEMOD
14 14 14
GND GND
GND
15 15 15
NC_4 SD_ERROR
ERROR
16 16 16
NC_5 SD_SYNC
SYNC
17 17 17
NC_6 SD_VALID
VALID
18 18 18
NC_7 SD_MCLK
MCLK
19 19 19
NC_8 SD_SERIAL_D0
DATA
20 20 20
NC_9 NC_2
NC_4
21 21 21
NC_10 NC_3
NC_5
22 22 22
TU_N_CO_T2
NC_11 NC_4
NC_6
23 23 23
NC_12 NC_5
NC_7
24 24 24
NC_13 NC_6
NC_8
25 25 25
NC_14 NC_7
NC_9
26 26 26
NC_15 NC_8
NC_10
27 27 27
GND_1
B1 B1 A1 28
A1 B1 A1
GND_2
59 28 29
+B6[1.23V_SD]
30
A1 SHIELD
SD_RESET
31
+B7[3.3V_SD]
32
NC_9
33
SD_SCL
34
SD_SDA
35
B1 A1
B1 A1
36
SHIELD
C6403 C6401
10uF 0.1uF
10V 16V
TU_H/N/S_T/US
1
RF_SWITCH_CTL_TU
2
/TU_RESET1_TU
3
I2C_SCL6_TU
4
I2C_SDA6_TU
5
+3.3V_TU
6
TUNER_SIF_TU
7
TU_+1.8V_TU
8
TU_CVBS_TU
9
IF_AGC_TU
10
IF_P
IF_N 11
+3.3V_TU 12
13
Power_D_Demod_TU
CN_RESET_TU
14
C6406
0.1uF
TU_N_BR
16V
FE_DEMOD1_TS_ERROR 16
17
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL 18
R6407
0
FE_DEMOD1_TS_CLK 19
C6408 C6407
0.1uF 0.1uF
16V
16V
OPT
OPT 20
0 R6411
FE_DEMOD1_TS_DATA[0]
R6410
0 21
C6409
FE_DEMOD1_TS_DATA[1]
0.1uF
0 R6409
16V
FE_DEMOD1_TS_DATA[2]
22
TU_N_CO_T2 R6408
0 OPT
FE_DEMOD1_TS_DATA[3]
TU_N_CO_T2
23
AR6401
0
24
1/16W
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5] 25
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
26
TU_N_CO_T2
27
+1.23V_D_Demod_TU 30
31
/S2_RESET_TU
32
+3.3V_TU
LNB_TX 33
34
I2C_SCL4_TU
I2C_SDA4_TU 35
2012.03.08
TUNER
65
LGE Internal Use Only