LG Electronics 28LN45 Flat Panel Television User Manual


 
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2013.1.14
AUDIO AMP 7 13
R727
5.1K
R733
10K
C716
10uF
25V
JP704
Q704
MMBT3904(NXP)
LN4500
E
B
C
L701-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
L700
LPH6045T-100M
Audio_Coil_ABCO
10uH
R713
1K
LN4500
AMP_SCL
Q701
MMBT3904(NXP)
LN4500
E
B
C
JP703
L709
LPH6045T-100M
Audio_Coil_ABCO
10uH
C711
22000pF
50V
+19V
SB_MUTE
R735
220K
OPT
C722
22000pF
50V
C701
0.1uF
16V
OPT
VA703
20V
OPT
C734
0.47uF
50V
R720
12
+3.3V_ST
C718
10uF
25V
L706
LPH6045T-100M
Audio_Coil_ABCO
10uH
0.1uF
C715
50V
SB_MUTE
C710
22000pF
50V
SB_MUTE
C708
33pF
50V
Q702
MMBT3906(NXP)
E
B
C
TP702
Q705
MMBT3904(NXP)
LN4500
E
B
C
JP701
0.1uF
C737
50V
AMP_SDA
R711
1K
LN4500
AUD_MASTER_CLK
JP702
C719
1000pF
50V
OPT
Q700
MMBT3904(NXP)
E
B
C
R701
10K
0.1uF
C713
50V
R717
12
C717
1000pF
50V
OPT
C721
10uF
10V
LN4500
HP_LOUT
0.1uF
C714
50V
C742
4.7uF
50V
Q707
MMBT3904(NXP)
LN4500
E
B
C
VA701
20V
LN4500
C730
390pF
50V
TP701
HP_ROUT
R703
100
R729
5.1K
C728
390pF
50V
C723
22000pF
50V
C743
1uF
25V
D707
100V
1N4148W
OPT
R734
220K
+3.3V_Normal
+3.3V_ST
R700
3.3
OPT
TP700
0.1uF
C712
50V
C702
10uF
10V
AUD_LRCH
D700
MMBD6100
A2
C
A1
L702
0
R737
12K
NTP_MUTE
JP705
C724
47uF
25V
C709
1000pF
50V
R705
10K
R738
12K
1uF
C725
10V
AUD_SCK
L709-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
JP700
R710
1K
LN4500
VA702
20V
LN4500
R719
12
D710
KDS226
A
AC
C
D704
100V
1N4148W
OPT
0.1uF
C707
16V
JP707
R718
12
R730
5.1K
C729
390pF
50V
R704
12
R736
470
JP706
C720
10uF
10V
JK700
KJA-PH-1-0177-2
LN4500
3 M3_DETECT
4 M4
5 M5_GND
1 M1
6 M6
D706
100V
1N4148W
OPT
D709
MMBD6100
LN4500
A2
C
A1
C731
390pF
50V
C705
33pF
50V
L706-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
C727
1uF
25V
0.1uF
C739
50V
L700-*1
NRS6045T100MMGK
(OPT)Audio_Coil_TAIYO
10.0uH
D705
100V
1N4148W
OPT
0.1uF
C740
50V
+19V_AMP_VCC
R708
33K
OPT
0.1uF
C738
50V
L701
LPH6045T-100M
Audio_Coil_ABCO
10uH
+3.3V_AMP
HP_MUTE
Q706
MMBT3906(NXP)
LN4500
E
B
C
R728
5.1K
R706
47K
0.1uF
C704
16V
OPT
AUD_LRCK
R715
12
R709 100
R712
12
C735
0.47uF
50V
C703
0.01uF
50V
OPT
R702
12
+19V_AMP_VCC
R707
100
P700
SMAW250-H04R
WAFER-ANGLE
1
2
3
4
C706
1000pF
50V
C726
1uF
25V
Q703
MMBT3904(NXP)
LN4500
E
B
C
R714
3.3K
AMP_RST
IC700
NTP7513
3
DGND_PLL
2
VDD_PLL
4
GND
1
AGND_PLL
6
DVDD
5
DGND
7
SDATA
8
WCK
9
BCK
10
SDA
11
SCL
12
FAULT
13
MONITOR_0
14
MONITOR_1
15
MONITOR_2
16
BST2B
17
PGND2B
18
OUT2B
19
PVDD2B
20
PVDD2A
21
OUT2A
22
PGND2A
23
BST2A
24
VDR2
25
AGND
26
VCC5
27
VDR1
28
BST1B
29
PGND1B
30
OUT1B
31
PVDD1B
32
PVDD1A
33
OUT1A
34
PGND1A
35
BST1A
36
RESET
37
AD
38
CLK_I
39
GND_IO
40
VDD_IO
41
[EP]GND
C700
0.1uF
16V
HP_DET
R739
0
1/16W
5%
LN4500
NC4_S7LRM
0x54
SPK_L-
Pop-up noise killer
AUDIO AMP
2.7K->220K
SPK_R-
SPK_L+
11.10.27
12.08.09
Headphone block
11.10.27
SPK_R+
Apply->OPT
MUTE control
3K:
With SCART MUTE BLOCK
12K:
Without SCART MUTE BLOCK
Added
by JCPark
12.08.16
121106
1K->0ohm
pop up noise improve
121118
OPTION added for LN4500
EAX65303801
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only