1. Circuit Descriptions
1-1. Power circuit
LRSC269****
The power circuit includes a Switched Mode Power Supply (SMPS). It consists of a rectifier (BD1 and CE1) converting AC
to DC, a switch (IC2) switching the DC voltage, a transformer, and a feedback circuit (IC3 and IC4).
Caution :
Since high voltage (160 Vdc) is maintained at the power terminal, wait at least 3 minutes after unplugging the
appliance to allow the current to dissipate.
Voltage of every part is as follows:
EXPLANATION FOR MICOM CIRCUIT
- 32 -
Part
VA1
CE1
CE2
CE3
CE4
CE5
Voltage
120 Vac
160 Vdc
14 Vdc
12 Vdc
15.5 Vdc
5 Vdc
Содержание LRSC26910SW
Страница 47: ...2 PWB parts diagram and list 2 1 PWB Assembly main part diagram LRSC269 EXPLANATION FOR MICOM CIRCUIT 47 ...
Страница 48: ...2 2 Parts list LRSC269 EXPLANATION FOR MICOM CIRCUIT 48 ...
Страница 49: ...EXPLANATION FOR MICOM CIRCUIT 49 ...
Страница 50: ...2 3 LRSC26944 LRSC26980TT DISPLAY ASSEMBLY part diagram EXPLANATION FOR MICOM CIRCUIT 50 ...
Страница 51: ...DISPLAY circuit diagram EXPLANATION FOR MICOM CIRCUIT 51 ...
Страница 53: ...DISPLAY circuit diagram EXPLANATION FOR MICOM CIRCUIT 53 PWB ASSEMBLY DISPLAY ...
Страница 54: ...3 PWB Circuit Diagram may vary according to model LRSC269 EXPLANATION FOR MICOM CIRCUIT 54 REF REF ...
Страница 60: ...CIRCUIT 60 LRSC26944 LRSC26980TT ...
Страница 102: ...TROUBLE DIAGNOSIS 102 ...
Страница 111: ...6 BLOCK DIAGRAM TV RADIO 111 ...
Страница 123: ...FREEZER DOOR PART LRSC26910 LRSC26911 EXPLODED VIEWS 123 202A 200A 210A 203A 201A 210C 210C 210C 205C 205A 205E ...
Страница 131: ...P No 3828JD8646A FEB 2004 Printed in Korea ...