Read Panasonic KX-MB283RU / KX-MB783RU (serv.man3) Service Manual Supplement online
20
KX-MB283RU/KX-MB783RU
KX-MB283RU SCHEMATIC DIAGRAM (MAIN BOARD No.1) (3/3)
3/3
1
-3
D801
+24V
D800
+3.3V
100k
R806
1.5k
R809
1.5k
R807
K0.1u
C814
22k
R808
10u/35V
C805
D802
AK
Q801
B
C
E
Z0.1u/50V
C807
Z0.1u/50V
C806
Z0.1u/50V
C808
J33p
C811
L800
6.3V/330u
C800
Q800
B
C
E
Z0.1u
C648
Z0.1u
C654
Z0.1u
C685
+3.3V
Z0.1u
C646
Z0.1u
C650
Z0.1u
C680
Z0.1u
C665
Z0.1u
C656
Z0.1u
C675
Z0.1u
C690
Z0.1u
C691
Z0.1u
C684
+7V
Z0.1u
C660
+3.3V
Z0.1u
C645
Z0.1u
C695
Z0.1u
C687
Z0.1u
C692
0
R451
+5VD
Z0.1u
C659
Z0.1u
C682
Z0.1u
C651
Z0.1u
C697
Z0.1u
C678
Z0.1u
C655
Z0.1u
C699
Z0.1u
C662
Z0.1u
C669
Z0.1u
C657
0
R452
Z0.1u
C676
Z0.1u
C647
Z0.1u/50V
C672
Z0.1u
C681
Z0.1u
C667
Z0.1u
C668
+24V
Z0.1u
C670
Z0.1u
C661
Z0.1u
C663
Z0.1u
C688
Z0.1u
C677
Z0.1u
C652
Z0.1u
C679
+1.2V
Z0.1u/50V
C671
Z0.1u
C653
Z0.1u
C689
0
R450
Z0.1u
C658
Z0.1u
C693
Z0.1u
C674
Z0.1u
C696
Z0.1u
C664
Z0.1u
C698
Z0.1u/50V
C673
Z0.1u
C666
Z0.1u
C649
0
C488
0
C490
0
C491
C801
NC
( )
K0.01u/50V
C803
C802
100u/6.3V
B5.1k
R802
Z0.1u
C817
6.3
100u
C815
+1.2V
D803
+3.3V
6.3
100u
C818
Z0.1u
C816
K0.01u
C812
K0.01u
C813
K0.01u
C809
IC801
2
GND
1
IN
3
OUT
DG
0(1608)
L399
3A
F800
10u/35V
C804
B1.6k
R800
B27k
R801
F10k
R803
10k
R804
47k
R805
0
R812
K2200p
C810
IC800
1
BS
2
IN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
7
6
9
8
C
E
B
A
D
F
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