![LG GR-B277 Скачать руководство пользователя страница 80](http://html.mh-extra.com/html/lg/gr-b277/gr-b277_service-manual_1902621080.webp)
TROUBLE DIAGNOSIS
- 80 -
PROBLEM
CAUSE/CHECK POINTS
REMARKS
8. Faulty lamp
(freezer and
refrigerator
compartment).
9. Faulty internal
voltage (short).
1) Lamp problem.
Filament blows out.
Glass is broken.
2) Bad lamp assembly.
Not inserted.
Loosened by vibration.
3) Bad lamp socket.
Disconnection.
Bad soldering.
Bad rivet contact.
Short.
Water penetration. Low water
level in tray.
Bad elasticity of contact.
Bad contact (corrosion).
4) Door switch.
Defective.
Refrigerator and freezer switches are reversed.
Travel distance.
Bad connection.
Bad terminal contact.
Adiabatics liquid leak..
1) Lead wire is damaged.
Wire damage when assembling PTC Cover.
Outlet burr in the bottom plate.
Pressed by cord heater. lead wire, evaporator pipe.
2) Exposed terminal.
Compressor Compartment terminal. - Touching other
components.
Freezer compartment terminal. - Touching evaporator pipe.
3) Faulty parts.
Transformer.
Coil contacts cover.
Welded terminal parts contact cover.
Compressor.
Bad coil insulation.
Plate heater.
Melting fuse.
Sealing is broken.
Moisture penetration.
Cord heater.
Pipe damaged.
Moisture penetration.
Bad sealing.
Sheath heater.
■
Connect conduction and
non-conduction parts and
check with tester.
Conduction: NG.
Resistance
∞
: OK.
Содержание GR-B277
Страница 41: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 41 a b c d ...
Страница 50: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 50 ...
Страница 51: ...2 2 Parts list 1 GR L267 G267 P277 EXPLANATION FOR MICOM CIRCUIT 51 ...
Страница 52: ...EXPLANATION FOR MICOM CIRCUIT 52 ...
Страница 53: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 53 ...
Страница 54: ...EXPLANATION FOR MICOM CIRCUIT 54 ...
Страница 55: ...2 3 DISPLAY ASSEMBLY part diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 55 ...
Страница 56: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 56 ...
Страница 57: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 57 ...
Страница 58: ...2 4 DISPLAY circuit diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 58 ...
Страница 59: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 59 PWB ASSEMBLY DISPLAY ...
Страница 60: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 60 ...
Страница 63: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 63 ...
Страница 64: ...EXPLANATION FOR MICOM CIRCUIT 64 ...
Страница 69: ...CIRCUIT 69 3854JD1110A ...
Страница 70: ...CIRCUIT 70 3854JD1110A ...
Страница 71: ...CIRCUIT 71 3854JD1110A ...
Страница 119: ...6 BLOCK DIAGRAM TV RADIO 119 ...
Страница 134: ...P No 3828JD8793E FEB 2005 Printed in Korea ...