Panasonic KX-G8300 Service Manual And Technical Manual page 44

KX-G8300
8) Power Supply
Circuit Operation:
SWITCHING
Circuit
(Q301, 302,
310, 311)
TRANS-
FORMER
(T301)
Power ON/
OFF cont.
(IC303, Q303,
Q304, IC305,
10306, Q312,
D313, D314)
Switching
Regulator
Control
(IC301)
Power AMP
(Q308, 309)
Rectifier
Power on key. (D302~305)
OUTPUT
DETECTOR
(Q307, IC302)
to ANTENNA
+12 V
-12V
Power off
Protect
Control
(IC304, 1C301)
Protect
Display PWR SAVING CONT.
(Q305, 306)
+12 V to
Display
Fig. 43