LG LTM9020B, Service Manual

Page: 8 / 43

SPECIFICATIONS
Rated Power Consumption ..........................................1350W
Output
Microwave oven ......................................................900W (*IEC 60705 Rating standard)
Adjustable 100W through 900W, 10 steps
Toaster .....................................................................800W
Frequency ....................................................................2,450 MHz ± 50 MHz
Power Supply ...............................................................120V ±12V AC, 60Hz
Rated Current...............................................................11.5 Amp.
Magnetron & Heater Cooling........................................Forced Air Cooling
Microwave Stirring........................................................Turntable
Rectification..................................................................Rectification Voltage Doubler Half-Wave
Door Sealing ................................................................Choke System
Safety Devices
Microwave oven ......................................................Thermostat : Open at 110°C ± 5°C, Close at 60°C ± 5°C
Fuse(15A)
Primary Interlock Switch
Secondary Interlock Switch
Interlock Monitor
Toaster .....................................................................Toaster Door Switch
Thermostat : Open at 145°C ± 5°C, Close at 60°C ± 5°C
Magnetron ....................................................................2M214
High Voltage Capacitor ................................................Capacitor: 0.95µF, 2.1KV Ac
High Voltage Diode ......................................................350mA, 9.0KV
Cavity Lamp .................................................................125V, 20W
Timer ............................................................................Digital, up to 99 mm. 99 sec. (in each cooking stage)
Tray ..............................................................................Tempered Safety Glass
Thermistor, NTC...........................................................150°C ± 3%
Crumb Tray ..................................................................Crumbs of bread lay on it
Overall Dimensions ......................................................21 5/16
”
(W) x 12 3/16
”
(H) x 16 9/16
”
(D)
Oven Cavity Size..........................................................13 1/2
”
(W) x 8 11/16
”
(H) x 14 3/16
”
(D)
Effective Capacity of Oven Cavity................................0.9 Cu.ft.
Accessories..................................................................Use and Care Manual ,Turntable,
Rotating Ring Assembly.
SWITCH TABLE
NOTE: Use the above switch table with circuit diagram on page 8.
-7-
PRIMARY SECONDARY INTERLOCK TOASTER
INTERLOCK INTERLOCK MONITOR DOOR
SWITCH SWITCH SWITCH SWITCH
COM COM COM COM
NO NO NC NO
SWITCH MODE
CONDITIONS
DOOR OPEN
DOOR CLOSED
∞ ∞
∞
0
0
∞
0
0