Panasonic KX-MB283BR Service Manual page 201

6
A
B
C
D
E
F
7
+24V
D300
R310
F51.1k
R311
1.5k
+3.3V
C395
1
BST
2
VCC
3
ISET
4
COMP
5
FS/SYNC
+3.3V
+3.3V
+1.2V +24V
+7V
+5VD
8
L372 10u
C375 Z0.33u
9
1 8
SW BST
2 7
VIN PAD FB
3 6
ROSC COMP
4 5
GND SS/EN
IC302
Q301
Q300
R312 C
B
E
22k
L374
4.9u
K1u
Q303
1 8
R359
1 2 7
10
DRVH
3 6
9
PHASE
R360 1
8
DRVL 4 5
7
GND
6
VSENSE
IC305
R450
0
C488 0
KX-MB283BR SCHEMATIC DIAGRAM (MAIN BOARD No.1) (3/3)
201
9
3/3
1
+3.3V
+1.2V
L399
0
DG
R451 0
C490 0
R452 0
0
C491
KX-MB283BR
-3