LG 42LV4400, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
USB_5V
FAT_IN-
USB_DM
USB_DP
SCL_TU
IF_AGC_T
SDA_TU
FAT_IN-
GND
+5V_T
TUNER_CLK
TUNER_DATA
+5VSB
+5V_T
+5V_TUNER
+5V_T
USB_DM0 8
USB_DP0 8
VIP_ATV 8
VIN_ATV 8
GND 1,2,3,4,6,7,8,9,10,11,12,13,14,15,16
IF_AGC 8
TUNER_CLK 8
TUNER_DATA 8
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
PLL/TUNER/USB
47LV4400(364705220150)
5 17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
PLL/TUNER/USB
47LV4400(364705220150)
5 17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
PLL/TUNER/USB
47LV4400(364705220150)
5 17
017122714132.BRD
2.0
2.0
364213320150_PCN0000627.DSN
017122714132
Monday, August 29, 2011
42LV4400(364213320150)
PCN0000627 / PCN0000637
service port
Close to
Tuner
Close to Scaler
CIS LG footprint pin description error
0622 delete
1229:update footprint
0330 modufy P1 footprint
0331 ADD L46,L47,C171
0330 ADD CE19
Near MT5387 chip
033 ADD C17,C19
C183
100
0603C C183
100
0603C
C175
NC/47pF/0603
0603C
C175
NC/47pF/0603
0603C
L37 0.22uH/150mA L37 0.22uH/150mA
1 2
VCC
DATA-
DATA+
GND
P1
P2
P1
USB-A
VCC
DATA-
DATA+
GND
P1
P2
P1
USB-A
1
2
3
4
5
6
C17
33pF/50V C17
33pF/50V
L46
NC/220nH/0603
0603L
L46
NC/220nH/0603
0603L
R385
4K7 R385
4K7
C120
NC/100pF/0603
0603C C120
NC/100pF/0603
0603C
L2 0
0805R
L2 0
0805R
R46
4K7 R46
4K7
R71 NC/0 R71 NC/0
F3
0.75A 6V F3
0.75A 6V
R135 0.01uF/16V R135 0.01uF/16V
C3
180pF/50V
0603C C3
180pF/50V
0603C
D19
NC/VPORT0603
D19
NC/VPORT0603
1
2
C4
33pF/50V C4
33pF/50V
L17 0.22uH/150mA L17 0.22uH/150mA
1 2
R384
4K7 R384
4K7
R844 0
0603R
R844 0
0603R
L12
0 0805R L12
0 0805R
L23
MCM2012B900GB
L23
MCM2012B900GB
6
4
1
3
C170
33pF/50V
0603C C170
33pF/50V
0603C
R72 NC/0 R72 NC/0
R48 100 R48 100
L19 0.22uH/150mA L19 0.22uH/150mA
1 2
L47
NC/220nH/0603
0603L
L47
NC/220nH/0603
0603L
C174
27pF/50V
0603C C174
27pF/50V
0603C
C140 NC/47pF/0603
0603C
C140 NC/47pF/0603
0603C C2
180pF/50V 0603C C2
180pF/50V 0603C
C184
100
0603C C184
100
0603C
C19
33pF/50V C19
33pF/50V C5
33pF/50V C5
33pF/50V
C171
NC/33pF/50V 0603C C171
NC/33pF/50V 0603C
L38 0.22uH/150mA L38 0.22uH/150mA
1 2
+ CE31
100uF/16V + CE31
100uF/16V
C117
NC/100pF/0603
0603C C117
NC/100pF/0603
0603C
U34
TDVW-H814F(A)
U34
TDVW-H814F(A)
GND1
TH1
GND2
TH2
GND3
TH3
GND4
TH4
NC_1
1
RF AGC
5
+B(5V)
4
IF+
10
IF-
11
IF_AGC
12
GND_3
3
SCL
8
SDA
7
GND_6
6
AS
9
NC_13
13
NC_15
15
NC_14
14
NC_16
16
NC_2
2
C6
0.01uF/16V C6
0.01uF/16V
R134 0.01uF/16V R134 0.01uF/16V
R50 100 R50 100
L40
330nH
0603L L40
330nH
0603L
R77
10K R77
10K
R845 0
0603R
R845 0
0603R
+ CE19
NC/100uF/25V
+ CE19
NC/100uF/25V
C272
0.047uF/25V C272
0.047uF/25V
C238
0.1uF/16V C238
0.1uF/16V
C256
0.1uF/16V C256
0.1uF/16V
C248
0.1uF/16V C248
0.1uF/16V
L39
NC/220nH/0603
0603L
L39
NC/220nH/0603
0603L
C139
27pF/50V
0603C C139
27pF/50V
0603C
D18
NC/VPORT0603
D18
NC/VPORT0603
1
2