55LV4400 LC550EUH-RDA2-8R1 - LG TV Service Manual (repair manual). Page 104

Read LG 55LV4400 LC550EUH-RDA2-8R1 Service Manual online

5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
CVBS0
+5V
+5V_TUNER
+3V3_DEMOD
ADIN0
CVBSN
AFT
ADIN0
AVDD33_DEMOD1
MPX_P
MPX_N
IF_AGC
ADCINDC_DEMOD
AVDD33_DEMOD1
AVSS33_DEMOD1
ADCINDC_DEMOD
MPX_P
MPX_N
AVSS33_DEMOD1
SIF
VIP_ATV
VIN_ATV
CVBS0T
AS
TUNER_DATA
CVBS0
CVBSN
SIF
VIP_ATV
VIN_ATV
FA+
FA-
IF_AGC
FA+
CVBS0T
T_SCL
FA-
AS
T_SDA
IF_AGC_T
T_SCL
IF_AGC_T
TUNER_CLK
SIF
T_SDA
AFT
TUNER_DATA
TUNER_CLK
TUNER_DATA
+3V3_DEMOD
+5V_T
+5V_TUNER
+5V_T
CVBS0
(7)
+5V
(1,2,6,8,10,11)
+5V_TUNER
(2)
+3V3_DEMOD
(2,3)
ADIN0
(4)
CVBSN
(7)
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
TUNER
(3655-0382-0150)
9
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
TUNER
(3655-0382-0150)
9
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
TUNER
(3655-0382-0150)
9
16
PCN0000614
017122724152.BRD
2.0
2.0
365503820150_PCN0000614.DSN
0171-2272-4152
Wednesday, August 31, 2011
55LV4400
Near IC
Near Tuner
SIF (4.5MHz)
Near chip
NEAR IC
NEAR IC 
M= METAL 1%
NOTE :  NC MEANS  "NOT CONNECTED ON PCB BOARD"
ALL RESISTORS 25 VOLT  IN .1uF  UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL CAPACITOR  VALUES IN uF UNLESS NOTED.
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITORS 50 VOLT & 105"C  UNLESS NOTED.
TUNER Address C0H
Near IC
Near Tuner
TUNER Address C2H
LG ATSC TUNER 
R713
100
R713
100
R721
0
R721
0
R311
0
R311
0
R261
4K7
R261
4K7
C299
0.01uF/16V
C299
0.01uF/16V
R260
4K7
R260
4K7
C302
1000pF/50V
C302
1000pF/50V
R267
10K
R267
10K
R259
NC
R259
NC
C298
0.1uF/16V
C298
0.1uF/16V
R252
100
R252
100
C342
1000pF/50V
C342
1000pF/50V
R254
NC
R254
NC
R271
0
R271
0
C303
0.01uF/16V
C303
0.01uF/16V
C307
NC/22pF/50V
C307
NC/22pF/50V
R257
100
R257
100
R262
100K
R262
100K
R279
0
R279
0
C297
22pF/50V
C297
22pF/50V
R720
0
R720
0
R264
2K2
R264
2K2
R266
100
R266
100
C343
10uF/10V
C343
10uF/10V
C304
0.01uF/16V
C304
0.01uF/16V
FB42
80ohm
FB42
80ohm
C308
1.0uF/25V
C308
1.0uF/25V
R265
100
R265
100
C295
1.0uF/25V
C295
1.0uF/25V
C296
22pF/50V
C296
22pF/50V
MT5392_GDDR3_Final_2008_0505
U11G
MT5392_GDDR3_Final_2008_0505
U11G
ADCINDC_DEMOD
AB30
ADCINN_DEMOD
AB29
ADCINP_DEMOD
AA29
AF
AA26
AVDD33_DEMOD1
AC30
AVSS33_DEMOD1
AB28
IF_AGC
K28
MPX0N
AB26
MPX0P
AB27
TS0_CLK
B30
TS0_DATA
C29
TS0_SYNC
C30
TS0_VALID
A30
TUNER_CLK
L29
TUNER_DATA
L28
C305
0.047uF/25V
C305
0.047uF/25V
C306
0.1uF/16V
C306
0.1uF/16V
U30
NC/TDVF-H073F(LG)
U30
NC/TDVF-H073F(LG)
GND1
TH1
GND2
TH2
GND3
TH3
GND4
TH4
NC
1
NC_5
5
NC(VT T.P)
4
IF+
10
IF-
11
IF_AGC
12
+B(+5V)
3
SCL
8
SDA
7
GND
6
AS
9
NC_13
13
AFT
15
SIF
14
CVBS
16
RF_AGC_TP
2
C292
0.047uF/25V
C292
0.047uF/25V
C294
47pF/50V
C294
47pF/50V
C293
0.01uF/16V
C293
0.01uF/16V
R274
200
R274
200
R263
220K
R263
220K
FB43
0
FB43
0
R258
100
R258
100
R273
0
R273
0
U31
TDVW-H714F(LG)
U31
TDVW-H714F(LG)
GND1
TH1
GND2
TH2
GND3
TH3
GND4
TH4
NC
1
RF_AGC
5
+B(+5V)
4
DIF+
10
DIF-
11
IF_AGC
12
GND
3
SCL
8
SDA
7
GND
6
TU AS
9
SIF
13
AUDIO
15
NC
14
VIDEO
16
NC
2
C301
0.01uF/16V
C301
0.01uF/16V
C300
0.01uF/16V
C300
0.01uF/16V
C309
NC/22pF/50V
C309
NC/22pF/50V
R256
NC
R256
NC
R714
100
R714
100
R253
4K7
R253
4K7
R272
0
R272
0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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