LG 32LD400_LC320WUG-SCR7 Service Manual page 127

5
U24 U24
FAT_IN+
TH1 16
GND_1 D IF1
FAT_IN-
TH2 15
GND_2 D IF2
14
IF AGC
13
NC
12
SDA
TH3 11
GND_3 SCL
10
SIF/NC
D
TH4 9
GND_4 NC
8
CVBS/NC
7
NC
TH5 6
GND_5 NC
TH6 5
GND_6 GND
4
VT
3
AFT/NC
2
B+(5V)
1
RF AGC
NC/DTVA50CVH1019B NC/DTVA50CVH1019B
+5V_T
Address C0H
C248 C248
0.1uF/16V 0.1uF/16V
C
U34 U34
19
NC/VIDEO
18
NC/AUDIO
17
NC
TH1 16
GND NC/SIF
TH2 15
GND NC/+B2(+5V)
14
IF AGC
13
Digital IF2
12
Digital IF1
11
NC
10
MOPLL AS
9
SCL
8
SDA
7
GND
6
NC
5
RF AGC
4
+B1(+5V)
3
GND
2
NC
1
NC
TH3
GND
TH4
GND
B
LG RF Tuner TDVW-H810F/HYBRID TUNER TDVW-H710F LG RF Tuner TDVW-H810F/HYBRID TUNER TDVW-H710F
CIS LG footprint pin description error
A
5
4
IF_AGC_T R46 R46 4K7 4K7
C6 C6
0.01uF/16V 0.01uF/16V
+5V_T
R384 R384 R385 R385
4K7 4K7 4K7 4K7 560--->100
SCL_TU R48 R48
SDA_TU R50 R50
+5V_T C5 C5 C4 C4
33pF/50V 33pF/50V 33pF/50V 33pF/50V
L12 L12 0 0
+5V_TUNER
0805R 0805R
+ + CE25 CE25
100uF/16V 100uF/16V
+5V_TUNER (3)
IF_AGC_T
FAT_IN+
FAT_IN-
SCL_TU
SDA_TU
+5V_T +5V_T
4
3
R77 R77 10K 10K
IF_AGC (8)
C140 NC/47pF/0603 C140 NC/47pF/0603
C272 C272
FAT_IN+
0.047uF/25V 0.047uF/25V
Near MT5387 chip NC/220nH/0603 NC/220nH/0603
0603L 0603L
FAT_IN-
C175 C175
100 100 TUNER_CLK Close to NC/47pF/0603 NC/47pF/0603
TUNER_CLK (8)
Tuner
100 100 TUNER_DATA 0603C 0603C
TUNER_DATA (8)
不能加測點之零件
(1,2,3,4,7,10,14)
USB_DM
(8) USB_DM0
USB_DP
(8) USB_DP0
3
2
C2 C2
0603C 0603C 180pF/50V 180pF/50V L37 L37
0603C 0603C 0.22uH/150mA 0.22uH/150mA
R135 R135 0.01uF/16V 0.01uF/16V R844 R844 0 0
1 2
0603R 0603R
L39 L39 L40 L40
330nH 330nH C170 C170 0603C 0603C
0603L 0603L L38 L38 33pF/50V 33pF/50V
0.22uH/150mA 0.22uH/150mA
R134 R134 0.01uF/16V 0.01uF/16V R845 R845 0 0
1 2
0603R 0603R
C3 C3
180pF/50V 180pF/50V
0603C 0603C
Close to Scaler
+5VSB F3 F3
0.75A 6V 0.75A 6V
USB_5V L2 L2
+5VSB
0805R 0805R
1206F 1206F
CE31 CE31
+ +
47uF/16V 47uF/16V
R71 R71 0 0
R72 R72 0 0
D147 D147 D148 D148 不能加測點之零件
NC NC NC NC
0603VAR 0603VAR 0603var 0603var
APPROVED BY: APPROVED BY: APPROVED BY:
CHECKED BY: CHECKED BY: CHECKED BY:
DESIGN BY: DESIGN BY: DESIGN BY:
2
1
C139 27pF/50V C139 27pF/50V C117 C117
0603C 0603C NC/100pF/0603 NC/100pF/0603
0603C 0603C
C183 C183
1 2
L17 L17 0.22uH/150mA 0.22uH/150mA 100 100 VIP_ATV (8)
0603C 0603C
L19 L19
0.22uH/150mA 0.22uH/150mA
C184 C184
1 2
100 100 VIN_ATV (8)
0603C 0603C
C174 27pF/50V C174 27pF/50V
0603C 0603C C120 C120
NC/100pF/0603 NC/100pF/0603
0603C 0603C
不能加測點之零件
0 0
P1 P1
USB-A USB-A
5
P1 P1
1
VCC VCC
2
DATA- DATA-
3
DATA+ DATA+
4
GND GND
6 P2 P2
C439 C439 C438 C438
NC NC NC NC
C238 C238
0.1uF/16V 0.1uF/16V
service port
TECHNOLOGY TECHNOLOGY TECHNOLOGY
MODEL MODEL MODEL MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400
(3632-1442-0150) (3632-1442-0150) (3632-1442-0150)
(3642-1112-0150) (3642-1112-0150) (3642-1112-0150)
CIRCUITY CIRCUITY CIRCUITY PLL/TUNER/USB PLL/TUNER/USB PLL/TUNER/USB
PCB P/ N: PCB P/ N: PCB P/ N: Sheet Sheet Sheet
0171-2271-3274 0171-2271-3274 0171-2271-3274
ECN NO: ECN NO: ECN NO: N/A N/A N/A
REV: REV: REV:
SCH FILE : SCH FILE : SCH FILE :
363214420150.DSN 363214420150.DSN 363214420150.DSN PCB REV: PCB REV: PCB REV:
PCB FILE : PCB FILE : PCB FILE :
017122713274.BRD 017122713274.BRD 017122713274.BRD DATE: DATE: DATE:
Wednesday, August 25, 2010 Wednesday, August 25, 2010 Wednesday, August 25, 2010
1
D
C
B
A
of of of 16 16 16
5 5 5
04 04 04
04 04 04