LG 32LD400_LC320WUG-SCR7 Service Manual page 136

5
Logo LED
MODIFY IN RAV2
+5VSB
(1,2,3,4,5,7,10)
D
R368 R368
10K 10K
CE60 CE60
R374 R374 220uF/6.3V 220uF/6.3V
Q30 Q30
2
(8) OPCTRL3
KN3904S KN3904S
10K 10K
R375 R375
NC/10K NC/10K
CE66 CE66
220uF/6.3V 220uF/6.3V
C
OPCTRL3
L:AMBER
H:WHITE
(11) VGA_11
R764 R764
47K 47K
B
R728 R728
C293 C293 4K7 4K7
0.1uF/16V 0.1uF/16V
VGA_PLUGPWR
R110 R110
47K 47K
U43 U43
1 16
2Y0 VCC
2 15
(4,8) U0RX 2Y2 1Y2
3 14
(11) VGASCL_IN
2Z 1Y1
4 13
(11) VGASCL_SW 2Y3 1Z
5 12
(15) VSCL 2Y1 1Y0
6 11
E 1Y3
7 10
VEE S0
A 8 9
GND S1
74HC4052PW 74HC4052PW
TSSOP16 TSSOP16
5
4
+5VSB
+5VSB
L15 L15
0 0 0805R 0805R
R365 R365
100K 100K
R371 R371 Q29 Q29
2
1K 1K KN3904S KN3904S
D99 D99
LL4148WP LL4148WP R370 R370 R387 R387
1206D 1206D 47K 47K
180_F 180_F
R358 R358
47K 47K
R361 R361 Q27 Q27
2
1K 1K KN3904S KN3904S
R360 R360
D98 D98 47K 47K R359 R359
LL4148WP LL4148WP
1206D 1206D 100_F 100_F
Q41 Q41
KN3904S KN3904S
S1 (11)
R727 R727
2
1K 1K C295 C295
KEY S1
0.1uF/16V 0.1uF/16V
UART0 1
VGA-I2C
1
T-CON I2C 0
VGA_PLUGPWR
R111 R111
47K 47K VGA_PLUGPWR
VGA_PLUGPWR (11)
U0TX (4,8)
VSDA (15)
VGASDA_IN (11)
VGASDA_SW (11)
S0 (11)
S1 (11)
C213 C213
0.1uF/16V 0.1uF/16V
4
3
+5VSB
5.8~4.84V
CD1 CD1
J7 J7 0.1uF/16V 0.1uF/16V
1
WHITE
2
AMBER
3
2R_1X3ML 2R_1X3ML
C215 C215 C217 C217 C216 C216
0.1uF/16V 0.1uF/16V 1000pF/50V 1000pF/50V 1000pF/50V 1000pF/50V
voltage range
CLI repeat value
FUNCTION
RD2 RD2
3K92_F 3K92_F
SW3 SW3
TACT SW TACT SW
voltage range 1.93V~1.61V
CLI repeat value 43~36
FUNCTION CH+
Key pad
IR Receiver
(8) OIRI
S0
0
1
1
(8) SENSOR_IN
C254 C254
NC NC
ADIN1_EXT R366 NC/1206 R366 NC/1206
1206R 1206R
ADIN0_EXT R367 NC/1206 R367 NC/1206
1206R 1206R
+5VSB L16 L16 NC/0 NC/0
0805R 0805R
C59 C59 C60 C60 C61 C61
NC NC NC NC NC NC
3
2
RD11 RD11 RD12 RD12 RD13 RD13 RD14 RD14
3K3_F 3K3_F 2K_F 2K_F 2K_F 2K_F 1K_F 1K_F
SW1 SW1 SW2 SW2 SW7 SW7
TACT SW TACT SW TACT SW TACT SW TACT SW TACT SW
ADIN0_EXT
2.01V~1.68V 1.23V~1.02V 0.527V~0.44V
45~37 27~23 12~10
POWER ON/OFF MENU INPUT
RD3 RD3 RD4 RD4 RD5 RD5
2K_F 2K_F 2K_F 2K_F 2K_F 2K_F
SW4 SW4 SW5 SW5 SW6 SW6
TACT SW TACT SW TACT SW TACT SW TACT SW TACT SW
ADIN1_EXT
1.33V~1.11V 0.884V~0.738V 0.398V~0.332V
30~25 20~16 9~8
CH- VOL+ VOL-
R363 R363 OIRI_in
200 200 R369 R369
+5VSB
C212 C212 200 200
C222 C222 C187 C187
NC/1nF NC/1nF 1000pF/50V 1000pF/50V 0.1uF/16V 0.1uF/16V
(8) LS_SCL
(8) LS_SDA
SENSOR_IN R854 R854 NC NC L22 L22 NC NC
close to J6 0805R 0805R
close to 5387
R855 R855
1K5 1K5
DV33
(2,3,4,7,8) DV33
APPROVED BY: APPROVED BY: APPROVED BY:
J9 J9
1
2
3
CHECKED BY: CHECKED BY: CHECKED BY:
4
5
NC/CON5 NC/CON5
DESIGN BY: DESIGN BY: DESIGN BY:
KEYPAD-ADC1
KEYPAD-ADC2
2
1
RD10 RD10 ADIN0
ADIN0 (8)
100_F 100_F
RD9 RD9
CD4 CD4 2K7_F 2K7_F
0.1uF/16V 0.1uF/16V
RD6 RD6
1K_F 1K_F
ADIN1 (8)
RD8 RD8 ADIN1
100_F 100_F
RD7 RD7
CD3 CD3 2K7_F 2K7_F
0.1uF/16V 0.1uF/16V
JD1 JD1
1
2
3
4
5
R858 R858 22 22
6
R859 R859 22 22
FFC_R50_6P FFC_R50_6P
C255 C255
R372 R372 R373 R373 C189 C189
NC NC NC NC
NC/10K NC/10K NC/10K NC/10K
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 KEYPAD/LOGO BL KEYPAD/LOGO BL KEYPAD/LOGO BL
PCB P/ N: PCB P/ N: PCB P/ N: 0171-2271-3274 0171-2271-3274 0171-2271-3274 Sheet Sheet Sheet 14 14 14
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
04 04 04
04 04 04