LG 32LD400_LC320WUG-SCR7 Service Manual page 129

5
DV33_TMDS
DV33
L77 L77
(2,3,4,8,14) DV33
0 0 0805R 0805R
C428 C428
1 2
10uF/25V 10uF/25V
D20 NC/SBR2U30P1 D20 NC/SBR2U30P1 1206C 1206C
D8 D8 +3V3SB
SCS520S SCS520S
+3V3SB (2,8,13)
D
Near MT5387
R386 R386
27K 27K
(8) CEC
2_RXD1+
2_RXD1-
Del U28, U29 2_RXCLK+
HDMI_5V
2_RXCLK-
C
C360 C360 R311 R311 R312 R312
0.1uF/16V 0.1uF/16V 47K 47K 47K 47K
U31 U31 Del R306, R313
1 8
A0 VCC
2 7
HDMI_WP (11)
A1 WP
3 6 2_DDC_SCL
A2 SCL
2_DDC_SDA
4 5
GND SDA
AT24C02BN-SH-T AT24C02BN-SH-T
C442 C442 C443 C443
NC NC NC NC
HDMI1 EDID EEPROM
2_HOTPLUG
3_RXD1+
3_RXD1-
B
3_RXCLK+
3_RXCLK-
HDMI_5V
C365 C365 R334 R334 R335 R335
0.1uF/16V 0.1uF/16V 47K 47K 47K 47K
U30 U30 Del R340, R336
1 8
A0 VCC
2 7
HDMI_WP (11)
A1 WP
3_DDC_SCL
3 6
A2 SCL
3_DDC_SDA
4 5
GND SDA
AT24C02BN-SH-T AT24C02BN-SH-T
C440 C440 C441 C441
NC NC NC NC
HDMI2 EDID EEPROM
3_HOTPLUG
A
5
4
C429 C429 C430 C430 C431 C431 C432 C432 C433 C433 C434 C434 C435 C435
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
BAT54C-7-F BAT54C-7-F
2
3
1
+5VSB
D54 D54
(1,2,3,4,5,10,14) +5VSB
BAT54C-7-F BAT54C-7-F
HDMI_5V_3IN
2
3
HDMI_5V_2IN
1
D57 D57
C191 C191
0.1uF/16V 0.1uF/16V
2_RXD2+
Del R136, R137, R91, R92, R103, R102, R138---R147
2_RXD2-
2_RXD0+
2_RXD0-
(8)
2_DDC_SCL R330 R330 100 100
2_DDC_SDA R337 R337 100 100
OPWR0_5V_H2 R332 R332 HDMI_5V_2IN
(8) PWR5V_0
100 100
R379 R379 NC/0 NC/0
HDMI_5V R338 R338
1K 1K
R341 R341
R339 R339 0 0
NC/10K NC/10K
Q48 Q48 R342 R342
2
NC/KN3904S NC/KN3904S 100K 100K C205 C205
R380 R380 Q37 Q37 0.1uF/16V 0.1uF/16V
2
1K 1K KN3904S KN3904S
R381 R381
NC NC
3_RXD2+
3_RXD2-
3_RXD0+
3_RXD0-
(8) CEC
3_DDC_SCL R333 R333 100 100
3_DDC_SDA R300 R300 100 100
OPWR0_5V_H3 R328 R328 HDMI_5V_3IN
(8) OPCTRL1
100 100
R382 R382 NC/0 NC/0 R304 R304
HDMI_5V 1K 1K
R308 R308
R305 R305 0 0
NC/10K NC/10K
R299 R299
2 Q39 Q39 100K 100K
NC/KN3904S NC/KN3904S
R310 R310 Q36 Q36
2
1K 1K KN3904S KN3904S
R383 R383
NC NC
FOR DVI AUDIO-IN
4
3
不能加測點之零件
HDMI_5V
HDMI_5V (11)
C190 C190
0.1uF/16V 0.1uF/16V
R483 R483
NC/0 NC/0
3_HOTPLUG
3_DDC_SDA
3_DDC_SCL
3_RXCLK-
3_RXCLK+
3_RXD0-
3_RXD0+
R496 R496 R493 R493 3_RXD1-
3K3 3K3 3K3 3K3 3_RXD1+
_2_RXD2+
1
2 3_RXD2-
_2_RXD2- 3 3_RXD2+
_2_RXD1+ 4
5
_2_RXD1-
6
_2_RXD0+ HDMI2 mode
7
8
_2_RXD0-
9
_2_RXCLK+
10
11
_2_RXCLK-
12
CEC
13
CEC
14
15
16
17
18
19
P7 P7
C200 C200 48307-7022 48307-7022
0.1uF/16V 0.1uF/16V
C447 C447
NC NC
P10 P10
2PJ1554-100111 2PJ1554-100111
2
4
5
RCA_2PJ1554 RCA_2PJ1554
_3_RXD2+
1
2
_3_RXD2-
3
_3_RXD1+
4
5
_3_RXD1-
6
_3_RXD0+
7
8
_3_RXD0-
9
_3_RXCLK+
10
11
_3_RXCLK- 12
CEC 13
14
15
16
17
18
19
P8 P8
C228 C228 48307-7022 48307-7022
0.1uF/16V 0.1uF/16V
C446 C446
NC NC
C236 C236
0.1uF/16V 0.1uF/16V
3
2
HDMI1 mode
DV33_TMDS
HDMI_CH_SELECT1
R302 R302
NC/0 NC/0
R498 R498
R495 R495 3K3 3K3
3K3 3K3
49 32
EQ_S1 HPD_SINK
HDMIDDCSDA
50 31
HPD2 SDA_SINK
HDMIDDCSCL
51 30
SDA2 SCL_SINK
RX2_CB
52 29
SCL2 CLK-
RX2_C
53 28
CLK-2 CLK+
54 27
CLK+2 VDD_27
U46 U46 RX2_0B
55 26
VDD_55 D0-
PI3HDMI301ZLE PI3HDMI301ZLE RX2_0
56 25
D0-2 D0+
RX2_1B
57 24
D0+2 D1-
RX2_1
58 23
D1-2 D1+
59 22
D1+2 VDD_22
RX2_2B
60 21
VDD_60 D2-
61 20 RX2_2
D2-2 D2+
62 19
D2+2 S3
63 18 SELECT2
HPD1 S2
64 17 SELECT1
OC_S3 S1
R492 R492 R481 R481
NC/0 NC/0
10K 10K
R486 R486 R487 R487
0 0 NC/0 NC/0
R485 R485
NC NC
NEAR CONNECTOR
R101 R101 100 100 C226 C226 4.7uF/10V 4.7uF/10V
0603R 0603R 0805C 0805C
R93 R93 100 100 C231 C231 4.7uF/10V 4.7uF/10V
0603R 0603R 0805C 0805C
R349 R349 R344 R344 C240 C240 C242 C242
C239 C239 C241 C241
82K 82K 82K 82K 22pF/50V 22pF/50V 22pF/50V 22pF/50V 1000pF/50V 1000pF/50V 1000pF/50V 1000pF/50V
2
1
HDMI PORT#
L HDMI 2 PORT 3
H HDMI 1 PORT 2
R391 R391
HPD_SINK (8)
100 100
R480 R480
4K7 4K7
DV33_TMDS DV33_TMDS
R388 R388 R389 R389
47K 47K 47K 47K
Del R163, R164
R852 R852 100 100
HDMI_SDA0 (8)
R860 R860 100 100
HDMI_SCL0 (8)
RX2_CB (8)
RX2_C (8)
C444 C444 C445 C445
RX2_0B (8)
NC NC NC NC
RX2_0 (8)
RX2_1B (8)
RX2_1 (8)
DV33_TMDS
RX2_2B (8)
R479 R479
RX2_2 (8)
RX2_CB Del R484
10K 10K
150_F 150_F
R847 R847
RX2_C
RX2_0B
150_F 150_F
R848 R848
RX2_0
RX2_1B
R850 R850 SELECT2 R166 R166
HDMI_CH_SELECT1 (8)
150_F 150_F 0 0
RX2_1
RX2_2B
R849 R849
150_F 150_F
RX2_2
HDMIL_IN0 (8)
HDMIR_IN0 (8)
APPROVED BY: APPROVED BY: APPROVED BY:
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)
CHECKED BY: CHECKED BY: CHECKED BY:
(3642-1112-0150) (3642-1112-0150) (3642-1112-0150)
CIRCUITY CIRCUITY CIRCUITY HDMI INPUT HDMI INPUT HDMI INPUT
DESIGN BY: DESIGN BY: DESIGN BY:
PCB P/ N: PCB P/ N: PCB P/ N: 0171-2271-3274 0171-2271-3274 0171-2271-3274 Sheet Sheet Sheet 7 7 7 of of of
ECN NO: ECN NO: ECN NO: N/A N/A N/A REV: REV: REV: 04 04 04
SCH FILE : SCH FILE : SCH FILE : 363214420150.DSN 363214420150.DSN 363214420150.DSN PCB REV: PCB REV: PCB REV:
04 04 04
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
16 16 16