Panasonic KX-TDA0103XJ Service Manual page 143

Sub Switch Controller Circuit
(1)
(2)
7
(3)
(4)
(5)
(6)
R681
Q692
(7) Q690
Q603 R691
Q604
Q691
(8)
(9)
Latch Circuit
Main Switch Controller Circuit
9
D303 R319
15V Output Converter
Switching Circuit
(10)
11
T301
Q302
(11)
(12)
Q303
12
(13)
C321
Q304
R321
D318
R318
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
15
Dropper Circuit
(22)
D522
Q521
(23)
Q540
(24)
(25)
DC Alarm Sending Circuit
(26)
C620
R640 R641 R642
C621
R621
Q622
D607
R607
C610
R606
R614
R690 D691 C690
Q602
R610
D693
BEA602 D601
41V Output DC Switch Circuit
15VPT Output
Over Current
Protection Circuit
CN901(IC2)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
CN801
KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X
Main Converter Output Circuit
8 FG
T601
R655 C660
D652
IC651
C659 C658
D155 R166 R165
R168
Q154
D156
8 R169 R170
R172
Q153
R191
R192
D157
Battery Input/Output DC Switch Circuit
C607
D162
R175 R176
R177
D164
9
C165
Q158
R179
R180
Q156
R401
R402
R403
20
Q402
IC401
21
15VPT Output Converter
Control Circuit
30V Output Converter
Switching Circuit
R203
R202
Q202
Q201
D201
Q203
30V Output
Over Current
Protection Circuit
Q204
R217 R218
30V Output Converter
Control Circuit
KX-TDA0104XJ/X M-TYPE POWER SUPPLY UNIT (PSU-M)
143
Over Voltage Detection Circuit
FG
Q155
R174
D160 D161
41V Output Over Current
Protection Circuit
Q157
R187
L161
22
Q401
16
17
L202
C221
R221
MAIN BOARD (MPS3303) (2/2)
CN104 CN204
2 2
1 1
CN101
AC_ALM
1
DC_ALM
23
POWTYPE[1]
2
NC POWTYPE[0]
24
NC
3
nBATT
25
POWERGND
4
POWERGND
26
+30V
5
+30V
27
POWERGND
6
POWERGND
28
POWERGND
7
POWERGND
29
POWERGND
8
POWERGND
30
POWERGND
9
POWERGND
31
POWERGND
10
POWERGND
32
POWERGND
11
POWERGND
33
POWERGND
12
34 POWERGND
POWERGND
13
POWERGND
35
+41V
14
+41V
36
+41V
15
37 +41V To
16 +41V
PBX
+41V
38
+15V
17
39 +15V
+15V
18
40 +15PT
19 +15PT
41 +15PT
+15PT
20
42 +15PT
21 +15PT
43 +15PT
22 +15PT
44 +15PT
15VPT Output
DC Switch Circuit
CN904(IC2) CN804
1 1
2 2
3 3
4 4
5 5
14
6 6
13
7 7
CN903(IC2) CN803
1
1
2
2
3 3
4
4
CN902(IC2) CN802
1
1
2 2
3
3
4
4
CN905(IC2) CN805
1 1
2
2
3 3
18
4
4
19
5 5
6 6