KX-HDV330RUB - Panasonic Telephone Service Manual (repair manual). Page 8

Read Panasonic KX-HDV330RUB Service Manual online

8
KX-HDV330 Series 
4.2.2.
Reset Circuit
Reset Signal is output from IC401 and input into IC101-pin V12.
PDN is DC power down detect.
Detect  the AC and PoE power down signal. 
PDN
003:6D
R425
3.3V
C446
IC401
4
OUT
3
CD
1
VSS
2
VDD
C445
DG
DG
PWR_RST
C459
DG
V12
RSTN
C329
PDN
004:4D
R333
DG
DG
R334
L1
L2
L306
1
2
3
4
DC-J
D301
DG
D302
C322
C318
DCIN
D304
PoE_DC
+12V
+12V
JK301
2
3
1
F301
32V
3A
From PoE
DC Jack
Page of 68
Display

Click on the first or last page to see other KX-HDV330RUB service manuals if exist.