Circuit Diagrams; Smps Circuit Diagram - LG CM1530 Service Manual

CIRCUIT DIAGRAMS

1. SMPS CIRCUIT DIAGRAM

12
cap Option (C928)
1 Russia=68uF/500V
2 India=68uF/500V
11
3 Niziria=68uF/500V
10
RL207 RL207
9
RL207
RL207
8
Option (LF901 )
1) IPOD FUNCTION LF901 UM-007/UF16
2) NO IPOD FUNCTION LF901 LF-UU9800-11R
7
6
LF901
UM-007/UF16
5
4
3
R902
3M 0.5W
2
3M 0.5W
1
A B C D
IPOD FUNCTION T901 - EC28 6+9PIN
NO IPOD FUNCTION T901 - EE25 5+5PIN
FSGM300N
15V 0.5W
C931
473PF 473PF
PN901
L
CAUTION:
Danger if fuse is incorrectly replaced.
Replace only with the type identical to fuse rating
N
and(or) model name described in main label.
E F G H I
3-21
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
Option - T901
20uH/2A
(10)
(1)
(9)
22R 20uH/2A
(3)
100uH/1A
(8)
(4)
(7)
(5)
(6)
20uH/2A
472/100V 1.5R
J K L M
3-22
COMPONENTS ARE SHADED ON THE SCHEMATIC NOTE :
FOR EASY IDENTIFICATION. 1. Shaded( ) parts are critical for safety.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER Replace only with specified part number.
FROM THE ACTUAL CIRCUIT USED. THIS WAY, 2. Voltages are DC-measured with a digital voltmeter
IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode.
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
LITERATURE IS PRINTED.
IPOD:ADD/ NO IPOD:DEL
NC
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
N O P Q R
SMPS
2012. 12. 10
S T