LG 49LF5400 Service Manual page 26

AUDIO AMP(TI)/LVDS/IR
[51Pin LVDS Connector]
(For FHD 60Hz)
FHD
P300
SP14-11592-01-51Pin
1
2
LVDS_SEL
3
+3.3V_NORMAL
4
VCOM_SDA_M
5
VCOM_SCL_M
OPT
6 R302
3.3K
7
OPT
8
R301
10K
9
10
11
12
RXA0-
13
RXA0+
14
RXA1-
15
RXA1+
16
RXA2-
17
RXA2+
18
19
RXACK-
20
RXACK+
21
22
RXA3-
23
RXA3+
24
25
R300 0
26 FHD_GND_26
R320 0
27 FHD_GND_27
28
RXB0-
29
RXB0+
30
RXB1-
31
RXB1+
32
RXB2-
33
RXB2+
34
35
RXBCK-
36
RXBCK+
37
38
RXB3-
39
RXB3+
40
41
FHD_GND_42_43
42
AR300
43 0
PANEL_VCC
44
45
46
UBW2012-121F
47
48
49 FHD_VCC_Cap
C301
C300
0.1uF
10uF
50
25V
25V
51
52
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
HD
P301
10031HR-30
1
2
3
VCOM_SCL_M
4
VCOM_SDA_M
5
6
RXA0-
7
RXA0+
8
9
RXA1-
10
RXA1+
11
12
RXA2-
13
RXA2+
14
15
RXACK-
16
RXACK+
17
LVDS_SEL
18
RXA3-
+3.3V_NORMAL
19
RXA3+
20
21
22
23
24
25
26
27
28
29
30
31
R303
0
1/16W
FHD
L300
Separate DGND AND AVSS
FHD
+3.3V_NORMAL
R305
4.7K
Need to Check.
AMP_MUTE
OPT
R304
0
POWER_DET
+3.3V_NORMAL
AMP_SDA
AMP_SCL
V-COM I2C or GPIO(Tuner)
AR302
0
VCOM_SCL_M
VCOM_SDA_M
V_COM
OPT
R307
3.3K
PANEL_VCC
OPT
R306
10K
HD
L302
120OHM
UBW2012-121F
HD
HD_VCC_Cap
C306
C303
0.1uF
10uF
25V
25V
A13.2V +13.2V_AMP
This parts are Located
on AVSS area.
L301
120OHM R311
OPT
470
C307
0.1uF
C313 C318
50V
4700pF C314 0.033uF
0.047uF 50V
C311
4700pF
C315
C310
R310 2200pF
+3.3V_NORMAL
50V
0.047uF 470
C305
0.1uF
16V AVDD
13
R309 A_SEL_FAULT
14
2.2K MCLK
15
AUD_MASTER_CLK
R308
OSC_RES
16
18K 1% DVSSO
17
VR_DIG IC300
18
PDN
19
TAS5733
OPT LRCLK
20
C302
C309
1000pF SCLK
21
0.1uF
50V SDIN
16V 22
SDA
23
SCL
24
AUD_LRCK
AUD_SCK
AUD_LRCH
AMP_RESET
+3.3V_NORMAL
C316
C308
0.1uF
0.1uF
16V
16V
C317
OPT
1uF
ZD300
16V
5V
C312
0.1uF
16V
IR
+3.3V_ST
AR303
10K
1/16W
KEY1
VR302
KEY2
+3.3V_NORMAL OPT
VR301
+3.3V_ST
V_COM V_COM
L307
R316 R317
PZ1608U121-2R0TF
2K 2K
C335
0.1uF
16V
VCOM_SCL
VCOM_SDA
LED_RED
OPT OPT
R323 R324
2K 2K
AUDIO AMP(TI)
L304
10.0uH
R312 1/16W
NRS6045T100MMGK
+13.2V_AMP
18 1%
C326
330pF
C332
50V 0.1uF
C322
C320
50V
0.1uF 10uF
50V
25V
C330
0.33uF
C327 50V
330pF
C333
50V
0.1uF
[EP]
50V
PGND_AB_2 R313 1/16W
48
18
PGND_AB_1 1%
47
L306
OUT_B
46
NC_6
45 10.0uH
C324
NRS6045T100MMGK
44 NC_5 0.033uF
50V
BST_B
43
42 BST_C
NC_4
41
C325
40 NC_3 0.033uF
L303
OUT_C 50V
39
38 PGND_CD_2 10.0uH
NRS6045T100MMGK
PGND_CD_1
37
R314
1/16W
18
1%
C334
0.1uF
C328
50V
330pF
+13.2V_AMP 50V
C331
0.33uF
50V
C329
C340
330pF
50V 0.1uF
C321 C323 50V
0.1uF
10uF
50V
25V
R315 1/16W
18 1%
L305
10.0uH
C319
0.033uF NRS6045T100MMGK
50V
OPT
C338
OPT
0.1uF
16V P302 P303
12507WR-08L 12507WR-10L
1 1
OPT
C337
0.1uF
2 2
16V
3 3
4 4
C336
1000pF
5 5
50V
6 6
OPT
+3.3V_ST
VR300
7 7
OPT
R322
8 8
3.3K
IR
9
9
C339
OPT
100pF
VR303
50V
10
11
Close to Speaker
SPK_L+
OPT
C341
2200pF
50V
SPEAKER_L
OPT
C342
2200pF
50V
250A1-WR-H04M
SPK_L-
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R+
SPK_R-
1
OPT
C343
2200pF
50V
SPK Wafer Box Type
OPT
C344
SPEAKER_R
2200pF
50V
SPK_R-
L15_M1L 140828
LVDS/S_AMP/IR 3
LGE Internal Use Only
P304
5