LG 32LF550B - Page 24

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.
140730
TUNER_KR_AJ 16
L14_CA_M1A
+3.3V_TU
C1613
20pF
50V
OPT
C1602
22uF
6.3V
C1616
0.1uF
16V
C1605
22uF
6.3V
IF_N_MSTAR
IF_AGC_SEL
FE_TS_VAL_ERR
+3.3V_TU
C1610
18pF
50V
C1615
100pF
50V
R1607 33
C1603
0.1uF
16V
TU_SDA
R1611
1.8K
TU_IIC_ATSC_1.8K
FE_TS_DATA[0]
R1610-*1
1K
TU_IIC_NON_ATSC_1K
IF_P_MSTAR
L1600
UBW2012-121F
R1609
100
C1609
18pF
50V
IF_AGC_MAIN
R1606 0
IF_NON_FILTER_KR
C1611
0.1uF
16V
R1606-*1
10
IF_FILTER_AJ
R1605-*1
10
IF_FILTER_AJ
TUNER_RESET
+3.3V_TU
R1605 0
IF_NON_FILTER_KR
C1614
20pF
50V
OPT
TU_SCL
TU_GND_A
R1608 33
RF_SWITCH_CTL
C1607
0.1uF
16V
FE_TS_SYNC
R1611-*1
1K
TU_IIC_NON_ATSC_1K
+3.3V_Normal
FE_TS_CLK
R1610
1.8K
TU_IIC_ATSC_1.8K
R1612 0
OPT
R1613 0
OPT
TU_CVBS
TU_SIF
TU_GND_A
C1617
1000pF
630V
TU_GND_Cap
TDJH-H301F
TU1601
TU_ATSC
47
SHIELD
6
DIF[P]
7
DIF[N]
8
SIF
9
CVBS
1
+3.3V
2
NC_1
3
DIF_AGC
4
SCL_RF
5
SDA_RF
A1
A1
B1
B1
TDJH-G301D
TU1601-*1
TU_AJ_T/C
47
SHIELD
6
IF[P]
7
IF[N]
8
SIF
9
CVBS
1
+3.3V
2
NC_1
3
IF_AGC
4
SCL_RF
5
SDA_RF
A1
A1
B1
B1
Size change,0929
should be guarded by ground
Close to the tuner
FE_AGC_SPEED_CTL
close to the tuner pin, add,09029
CHANGE TO
6.3V 2012 X5R
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
CHANGE TO
6.3V 2012 X5R
GLOBAL tuner block KR & AJ
GND seperation for ASIS tuner
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Only for training and service purposes
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