17
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KX-TGDA30AZB
4.6.
Behavior of Electric Power Failure
When AC power is lost and lose radio waves, Module PCB turns Q11 on and, battery voltage appear to CHG terminal.
When CHG+ (supply voltage from handset) is higher than Vbat, Q351 is on. And, this unit continues working in power failure
condition.
It’s possible to use the units during the power failure, supplying power to VBAT of base unit from battery of handset through Q10,
CHG terminal and Q351.
R
3
54
Q
3
52
R
3
55
Q
3
51
CHG+
V
ba
t
R45
Q11
R11
Q10
R12
R1
3
3
B
a
ttery
CHG-
HANDSET
BASE
Содержание KX-TGD320ALB
Страница 69: ...69 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB Memo ...
Страница 73: ...73 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB Memo ...
Страница 76: ...76 KX TGD320ALB KX TGD322ALB KX TGD323ALB KZ TGDA30AZB Memo ...
Страница 80: ...80 KX TGD320ALB KX TGD322ALB KX TGD323ALB KZ TGDA30AZB Memo ...
Страница 87: ...87 KX TGD320ALB KX TGD322ALB KX TGD323ALB KX TGDA30AZB 15 4 Accessories A2 A1 A3 ...