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LG 32LH550B - Page 33

LG 32LH550B
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THERMAL
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.
IF_AGC_TU
C6500
0.1uF
+3.3V_TUNER
C6505
33pF
OPT
C6509
0.1uF
TU_N/D
IF_P
IF_N
+3.3V_TU
+3.3V_TUNER
IF_P_TU
C6504
33pF
OPT
IF_AGC
IF_N_TU
+3.3V_TUNER
R6504
TU_N/D
0
I2C_SDA2_TU
C6506
47pF
50V
C6503
47pF
50V
I2C_SCL2
I2C_SDA2
I2C_SCL2_TU
/TU_RESET1
C6507
0.1uF
16V
TU_N/D
/TU_RESET1_TU
C6502
0.1uF
16V
IF_FILTER
R6505
100
TU_N/D
Q6501-*1
2N3906S-RTK
CVBS_TR_KEC_1st
E
B
C
C6520
0.1uF
16V
Q6501
MMBT3906(NXP)
CVBS_TR_NXP_2nd
E
B
C
TU_CVBS_TU
+3.3V_TUNER
R6517
200
TU_CVBS
R6516
200
TU_CVBS_200ohm
C6521
0.1uF
16V
TU_SIF
R6523
470
Q6502
2N3906S-RTK
SIF_TR_KEC_1st
E
B
C
R6524
82
R6522
4.7K
+3.3V_TUNER
TU_SIF_TU
Q6502-*1
MMBT3906(NXP)
SIF_TR_NXP_2nd
E
B
C
R6506
1K
LH60_1Kohm
R6502
47
IF_FILTER
R6503
47
IF_FILTER
C6501
10uF
10V
+3.3V_TUNER
C6522
10uF
10V
+3.3V_NORMAL
R651
33
R652
33
R6507
0
OPT
C6703
10uF
10V
F_NIM/MCP
POWER_ON/OFF2_3
R670 5- *1
10.5 K
TU_N/D_1.2V
IC6700
TJ2132GDP
F_NIM/MCP
3
IN
2
EN
4
BIAS
1
POK
5
SS
6
OUT
7
FB
8
GND
9
[EP]GND
C6707
2700pF
50V
F_NIM/MCP
R670 6- *1
10K
TU_N/D_1.2V
D_Demod_Core
0.1uF
C6700
F_NIM/MCP
C6708
0.01uF
50V
F_NIM/MCP
R670 5
4.7K
F_NIM/MCP
C6705
1uF
10V
F_NIM/MCP
R6700
10K
F_NIM/MCP
R670 6
5.1K
F_NIM/MCP
C6709
10uF
10V
F_NIM/MCP
+5V_NORMAL
+3.4V_ST
C6511
10pF
OPT
C6510
10pF
OPT
R6503-*1
0
IF_NON_FILTER
R6502-*1
0
IF_NON_FILTER
FE_DEMOD1_TS_DATA_TU[4]
FE_DEMOD1_TS_DATA[6]
AR6500
0
1/16W
TS_AR_0ohm
AR6502-*1
47
TS_AR_47ohm
AR6501-*1
47
TS_AR_47ohm
AR6500-*1
47
TS_AR_47ohm
AR6502
0
1/16W
TS_AR_0ohm
AR6501
0
1/16W
TS_AR_0ohm
FE_DEMOD1_TS_VAL
FE_DEMOD1_TS_DATA[7]
FE_DEMOD1_TS_ERROR_TU FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_DATA_TU[5]
FE_DEMOD1_TS_DATA_TU[6]
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_SYNC_TU
FE_DEMOD1_TS_DATA_TU[3] FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_DATA_TU[2]
FE_DEMOD1_TS_VAL_TU
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA_TU[0]
FE_DEMOD1_TS_CLK_TU
FE_DEMOD1_TS_DATA[1]FE_DEMOD1_TS_DATA_TU[1]
FE_DEMOD1_TS_DATA_TU[7]
R6506-*1
100
LH57_100ohm
R6525
0
OPT
L6504
BLM15PX121SN1
L6700
BLM15PX121SN1
F_NIM/MCP
FE_DEMOD1_TS_ERROR
R6516-*1
220
TU_CVBS_220ohm
R6517-*1
220
3. Signal Width >= 12mils
Ground Width >= 24mils
close to Tuner
2. No via on both of them
close to Tuner
close to Tuner
1. should be guarded by ground
Signal to Signal Width = 12mils
should be guarded by ground,Match GND VIA
16Y_M2
2015.09.02
65
TUNER_1
R2
Vout=0.6*(1+R2/R1)
2A
R1
Copyright © 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

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