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Daewoo DW-1011 - Page 20

Daewoo DW-1011
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10. Appendix
Circuit Check Point
TRIAC(TRA2)
Vss & GATE
DC 5V ?
TRIAC (TRC2) CHANGE
SI
MICOM
CHECK
(IC1)
PIN No. 14(OSCin),
PIN No. 15(OSCout)
4MHz?
TRIAC(TRA1)
Vss & GATE
DC 5V ?
MICOM(IC1) OR RESONATOR(4MCR)
CHANGE
TRIAC (
TRC1) CHANGE
SI
SI
NO
NO
MICOM
CHECK(IC1)
PIN No. 9(Vdd),
10(Vss)
MICOM (IC1) CHANGE
SI
NO
ZENER
DIODE(ZD1)
CHECK DC 5V ?
TIMER ON
ZENER DIODE(ZD1) CHANGE
SI
NO
NO
H RIVERA ZARAGOZA
ASEGURAMIENTO DE CALIDAD
DEPARTAMENTO DE SERVICIO
DAEWOO ELECTRONIC´S MEXICO

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