-25-
NOTE: A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
(3) CHECKOUT PROCEDURES FOR CIRCUIT BOARD
The following symptoms indicate a defective circuit
board.
(1) The start function fails to operate but the high
voltage Systems, the interlock switches, the door
sensing and the relay check good.
(2) The unit with a normal relay continuously operates.
(3) The buzzer does not sound or continues to sound.
(4) Some segments of one or more digits do not light up, or
they continue to light up, or segments light when they
should not.
(6) Wrong figures appear.
(7) The figures of all digits flicker.
(8) Some of the indicators do no light up.
(9) The clock does not keep time properly.
Содержание LTM9000B
Страница 34: ... 33 13536A 13552A 13213A 13581A 14890A 14970A 14026A 15006A 268712 13581S WTT037 23506A 13720D DOOR PARTS ...
Страница 35: ... 34 WTP013 35889A 34370T 36549S 33390G WTT010 WTT020 WSZ185 33052A 33112U OVEN CAVITY PARTS ...
Страница 36: ... 35 WSZ085 56912B 55262A 44510A 43500A 466001 466003 466001 43501A LATCH BOARD PARTS ...
Страница 38: ... 37 56170D 63303A WSZ002 WTT021 WTT028 65006B 65006A 63302A WTT021 BASE PLATE PARTS ...
Страница 40: ... 43 SCHEMATIC DIAGRAM OF P C B ...
Страница 41: ...PRINTED CIRCUIT BOARD 44 ...
Страница 42: ... 45 ...
Страница 43: ...P NO 3828W5S3065 Apr 2003 Printed in Korea ...