Daewoo KOR-131G0A, Service Manual

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38
PRINTED CIRCUIT BOARD
6. When Er01 & Er03 come on display.
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Refer to circuit diagram (Point 6)
- Check method
*
In AUTO REHEATING just operating, checking point A, B, C & D after 1~2 minutes.
*
R20~24 & connecting status of humidity sensor must be checked before checking point A, B, C & D.
7. When the oven is plugged in or during operation, the display does not turn on.
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Refer to Circuit diagram (Point 7)
- Check method
NO CHECK POINT REMARK Tolerance
1 A
0.5V ¡ Â VALUE ¡ Â 3.5V
-
2 B 11.3Vdc
¡ ¾
5%
3 C 4.4Vdc
¡ ¾ 5%
4 D 2.2Vdc
¡ ¾ 5%
POINT WAVE FORM
A +5VDC
B
+10.8VDC( ¡ ¾ 1V )