3-21 3-22
CIRCUIT DIAGRAMS
1. SMPS CIRCUIT DIAGRAM
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE LG CORPORATION. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL
TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL
COMPONENTS ARE SHADED ON THE SCHEMATIC
FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER
FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
LITERATURE IS PRINTED.
NOTE :
1. Shaded(
) parts are critical for safety.
Replace only with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
CAUTION:
Danger if fuse is incorrectly replaced.
Replace only with the type identical to fuse rating
and(or) model name described in main label.
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
SMPS
2012. 12. 10
39''
39''
*1'
*1'
9
9
*1'
9
39''
9
,*1'
7RPDLQERDUG
IPOD:ADD/ NO IPOD:DEL
cap
Opti
o
n (C92
8
)
1
ǃRussi
a
=6
8
u
F/
5
0
0V
2
ǃIndia=68u
F
/50
0V
3
ǃNizir
i
a
=6
8
u
F
/500
V
(1)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
IPOD FUNCTION T901 - EC28 6+9PIN
NO IPOD FUNCTION T901 - EE25 5+5PIN
1) IPOD FUNCTION LF901 UM-007/UF16
2) NO IPOD FUNCTION LF901 LF-UU9800-11R
Option (LF901 )
Option - T901
L
N
2WKHUDUHDV X)9
5
.
5
.:
&
X)9
6
9&&
3.
9)%
67$57
'
'
'
,&
FSGM300N
&
X)
&
93)
PN901
AC IN
5
1.5R
5
1&
5
.:
='
15V 0.5W
&
93)
&
X)
/
20uH/2A
'
65
'
)5
6&5(:
'
RL207
&
X)9
'
+(5
3&
='
9:
'
RL207
'
65
5
5
&
X)
&
X)
&
X)
&
S).9
5
3M 0.5W
&
X)9
&
93)
5
NC
5
5
&
472/100V
&
X)
&
X)9
&
X)
&
X)
ć
7+
'
5
.
&
S).9
'
)5
5
1&
5
.
/
100uH/1A
&
X)
&
X)9
/
20uH/2A
5 .QF
&
473PF
&
X)9
95
'.
6&5(:
&0
X)9
&
X)9
,&
7/
31
&21300
'
RL207
6&5(:
&0
X)9
&
X)
&
X)9
&
3).9
6&5(:
)
7$/9
&
X)9
LF901
UM-007/UF16
5 5
7
5
.
'
)5
&
X)9
)%
5+
5
22R
'
RL207
/
20uH/2A
R902
3M 0.5W
)%
5+
)%
5+
)%
5+
)% 5+
)%
5+
/)$
5+
/)%
5+
C931
473PF
R931
3.9K
9
9
B9
39''
9
B9
39''
39''
9
9
,*1'
,*1'
,*1'
,*1'
To Next Page
Loading...
