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.
C3711
18pF
50V
R3740
1.8K
C3701
0.1uF
16V
TU_SCL
C3738
0.1uF
16V
R3741
1.8K
R3732
100
TUNER_RESET
TU3700
TDSS-H501F(B)
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
B1
IC3703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
+3.3V_TU
+3.3V_TU
C3725
0.1uF
16V
IF_N_MSTAR
R3735
33
+1.8V_TU
C3741
10uF
10V
85C
C3715
22uF
6.3V
C3727
0.1uF
16V
R3761
0
+3.3V_TU
R3766
1
C3716
0.1uF
16V
C3737
100pF
50V
+1.8V_TU
R3733
100K
C3717
0.1uF
16V
IF_P_MSTAR
+3.3V_Normal
R3760
0
C3708
0.1uF
16V
C3740
0.1uF
16V
TU_SDA
IF_AGC_MAIN
C3710
0.1uF
16V
R3736
33
C3743
20pF
50V
OPT
+3.3V_TU
C3707
100pF
50V
+3.3V_TU
C3713
18pF
50V
C3723
22uF
6.3V
R3704
100
L3703
UBW2012-121F
C3742
20pF
50V
OPT
2012.06.21
NC4_S7LRM
TUNER_NON_EU
14
ATSC tuner block
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
should be guarded by ground
Close to the tuner
Close to the tuner
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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