block diagrams.pdf part of LG block diagrams block diagrams.pdf, LG VCR bl162w block diagrams.pdf text manual preview

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BLOCK DIAGRAMS
1. POWER(SMPS) BLOCK DIAGRAM

F101 L102 BD101 PTP01
T1.6AL/250V
BRIDGE 1
FILTER RECTI- SNUBBER 2
FIER CIRCUIT
CAPSTAN
3 13.5VA
AC 110~240V

RECTIFIER DRUM 12VA
D109 D110
7
Q151
5
Y/C.BUFFER
REGULATOR
4 9V
9 Q152

1C101 3
5
SWITCH RECTIFIER
-ING 2 D106
11

1

10
Q153
6 REGULATOR Y/C. MOD
& SW
Q154
1
REGULATOR AUDIO.SYSTEM
4 & SW

3 DETECT
2 Q155
IC102
REFERENCE SYSTEM
IC103
PWR CTL'H'

3-15 3-16