LG 32LB560B Service Manual page 26

AUDIO AMP(TI)/LVDS/IR
[51Pin LVDS Connector]
(For FHD 60Hz)
FHD
P300
FI-RE51S-HF-J-R1500
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
FHD
R300
26
0
27
28
RXB0-
29
RXB0+
30
RXB1-
31
RXB1+
32
RXB2-
33
RXB2+
34
35
RXBCK-
36
RXBCK+
37
38
RXB3-
39
RXB3+
40
AR300
41 0
1/16W FHD
42
43
PANEL_VCC
44
45
46
UBW2012-121F
47
48
OPT
49
C300 C301
10uF 0.1uF
50
16V 16V
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 ⓒ 2014 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
AUDIO AMP(TI)
R303
FHD 0
L300
1/16W
FHD
Separate DGND AND AVSS
+3.3V_NORMAL
Need to Check.
AMP_MUTE
OPT
R304
0
POWER_DET
AMP_SDA
AMP_SCL
V-COM I2C
+3.3V_NORMAL
V_COM
R316
AR302
0
1/16W
VCOM_SCL_M
VCOM_SDA_M
V_COM
OPT
R307
3.3K
PANEL_VCC
OPT
R306
10K
HD
L302
120OHM
UBW2012-121F
HD
OPT
C303 C306
10uF 0.1uF
16V 16V
+24V +24V_AMP
This parts are Located
on AVSS area.
L301
R315
120OHM
470
C305
0.1uF
C312
50V 4700pF C315
0.047uF
C310
4700pF
C314
C309
R314 2200pF
+3.3V_NORMAL
50V
0.047uF 470
C304
R305
0.1uF
4.7K
16V AVDD
13
R313 A_SEL_FAULT
14
2.2K MCLK
15
AUD_MASTER_CLK
R312
OSC_RES
16
18K 1% DVSSO
17
VR_DIG IC300
18
PDN
19
TAS5733
OPT LRCLK
20
C302
C308
1000pF SCLK
21
0.1uF
50V SDIN
16V 22
SDA
23
SCL
24
+3.3V_NORMAL
AUD_LRCK
AUD_SCK
AUD_LRCH
AMP_RESET
+3.3V_NORMAL
C313
C307
0.1uF
0.1uF
16V
16V
C316
OPT
ZD300
5V
C311
0.1uF
16V
IR
+3.5V_ST
KEY1
VR302
KEY2
OPT
VR301
+3.5V_ST
V_COM
L307
R317
PZ1608U121-2R0TF
2K 2K
C335
0.1uF
16V
VCOM_SCL
VCOM_SDA
LED_RED
IR
C318
0.033uF
L305
50V
10.0uH
NRS6045T100MMGK
+24V_AMP
C328
330pF
C334
50V 0.1uF
C321
C320
50V
0.1uF 10uF
50V
35V
C330
0.47uF
C327 50V
330pF
C333
50V
0.1uF
[EP]
50V
PGND_AB_2
48
PGND_AB_1
47
L306
46 OUT_B
NC_6
45 10.0uH
C326
NRS6045T100MMGK
44 NC_5 0.033uF
50V
BST_B
43
42 BST_C
NC_4
41
C325
40 NC_3 0.033uF
L304
OUT_C 50V
39
PGND_CD_2
38 10.0uH
NRS6045T100MMGK
PGND_CD_1
37
C332
0.1uF
C324
50V
330pF
+24V_AMP 50V
C329
0.47uF
50V
C323
C331
330pF
50V 0.1uF
C319 C322 50V
0.1uF
10uF
50V
35V
L303
10.0uH
C317
1uF 0.033uF NRS6045T100MMGK
25V
50V
OPT
C338
IR_10PIN
0.1uF IR_8PIN
P302
16V P303
12507WR-08L 12507WR-10L
1 1
OPT
C337
0.1uF
2 2
16V
3 3
4 4
C336
1000pF
50V 5 5
6 6
OPT
+3.5V_ST
VR300
7 7
OPT
R322
8 8
3.3K
9
9
C339
OPT
100pF
VR303
50V
10
11
Close to Speaker
SPK_L+
OPT
C343
2200pF
50V
SPEAKER_L
OPT
C342
2200pF
50V
SPK_L+
SPK_L-
SPK_L-
SPK_R+
SPK_R-
SPK_R+
OPT
C341
2200pF
50V
OPT
C340
SPEAKER_R
2200pF
50V
SPK_R-
L14-NON-OS 13/08/13
LVDS/S_AMP/IR 3 of 6
SPK_L-
LGE Internal Use Only
P304
4
3
2
1