User Guide

5-15Flow Chart of Troubleshooting and Circuit Diagrams
From: U470 pin 5
BUZ300
BDT-03S
1
1
2
2
BUZ+
BUZ-
From: U618
Q300
2SD2114KT146V
1
3
2
C308
100NF
100K
R304
DAN222TL
D302
3
12
RTC_3V3
ALERT
4.7K
R305