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.
+1.8V_TU
R3760
0
HALF_NIM/IF_NON_FILTER
C3743
20pF
50V
OPT
R3741-*1
1K
TU_IIC_NON_ATSC_1K
TU_GND_A
R3704
100
R3740-*1
1K
TU_IIC_NON_ATSC_1K
R3735
33
+3.3V_TU
LNA2_CTL
C3742
20pF
50V
OPT
TUNER_RESET
L3703
CIS21J121
IF_P_MSTAR
R3758
82
OPT
R3736
33
TU_GND_A
DEMOD_SCL
IF_AGC_MAIN
TU3700
TDSS-G201D
TUNER_OPT
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[1.8V]
6
NC_2
12
SHIELD
A1
A1
B1
B1
TU_SDA
+3.3V_TU
C3727
0.1uF
16V
R3733
100K
C3707
100pF
50V
FE_TS_VAL_ERR
C3716
0.1uF
16V
+1.8V_TU
C3708
0.1uF
16V
LNA_CTRL_2
C3738
0.1uF
16V
+3.3V_TU
R3732
100
IC3703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
R3705
0
OPT
R3784
0
OPT
FE_TS_DATA[0]
TU_SCL
C3737
100pF
50V
+3.3V_TU
C3740
0.1uF
16V
TU_CVBS
TU_SIF
R3761
0
HALF_NIM/IF_NON_FILTER
BR_RESET_DEMOD
R3740
1.8K
TU_IIC_ATSC_1.8K
TU_GND_A
FE_TS_CLK
RF_SWITCH_CTL
C3702
0.1uF
16V
OPT
FE_TS_SYNC
IF_AGC_SEL
C3710
0.1uF
16V
LNA_CTRL_1
C3713
18pF
50V
C3701
0.1uF
16V
DEMOD_SDA
C3717
0.1uF
16V
+3.3V_TU
C3711
18pF
50V
R3741
1.8K
TU_IIC_ATSC_1.8K
C3725
0.1uF
16V
IF_N_MSTAR
+3.3V_Normal
C3723
22uF
6.3V
C3715
22uF
6.3V
R3766
1
C3741-*1
10uF 10V
CAP_X7R_MP
C3741
10uF
10V
CAP_10uF_X5R
85C
R3761-*1
10
HALF_NIM/IF_FILTER
R3760-*1
10
HALF_NIM/IF_FILTER
R3714
0
NON_ASIA
R3715
0
NON_ASIA
TU3702
TDSH-G501D(B)
TUNER_ISOLATOR_DVB_1INPUT_H
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
A1
A1
B1
B1
A2
A2
B2
B2
TU3700-*1
TDSS-H501F(B)
TUNER_ATSC
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
2012.06.21
should be guarded by ground
TUNER MULTI-OPTION
NC4_S7LRM
GLOBAL tuner block except EU and China
Pull-up can’t be applied
because of MODEL_OPT_2
close to TUNER
close to TUNER
FE_BOOSTER_CTL
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
close to the tuner pin, add,09029
Close to the tuner
TUNER_NON_EU
Size change,0929
14
FE_AGC_SPEED_CTL
GND seperation for ASIS tuner
CHANGE TO
10UF 10V X5R
CHANGE TO
6.3V 2012 X5R
CHANGE TO
6.3V 2012 X5R
HPF
LPF
Frequence
1
0
0
54MHz~350MHz
TW_FE_LNA FILTER_SETTING
CTRL_1
CTRL_2
0
350Hz~450MHz
450Hz~870MHz
Filter_Type
1
0
Through
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 32LB530B
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