Panasonic KX-NS500UC (serv.man2) Service Manual ▷ View online
73
KX-NS500UC
12.5. Memo
74
KX-NS500UC
12.6. Power Supply Board
2/4
4/4
1/4
3/4
(1)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
C15
C31
2kV 100pF
C22
50V 4700pF
C18
C12
630V 0.01uF
C11
50V 0.1uF
C14
50V 1000pF
C13
50V 470pF
C21
50V 4700pF
C10
35V 220uF
D5
D21
D24
D22
D25
D10
D26
D7
D32
D11
D8
D51
D31
D23
D52
BEA103
Q21
Q22
Q2
R15
1/10W 1k
R6
1/4W 330
R7
1/4W 10
R31
1/4W 150k
R9
R21
1/10W 27k
R33
1/4W 150k
R29
1/10W 0
R52
1/4W 3.9k
R23
1/10W 33k
R26
1/4W 330
R27
1/4W 330
R16
1/8W 10k
R51
1/4W 3.9k
R17
1/8W 10k
R5
1/10W 47k
R14
1/10W 10k
R25
1/10W 47k
R18
1/10W 100k
R22
1/10W 4.7k
R4
1/10W 330
R32
1/4W 150k
R19
1/4W 0
R28
1/10W 2.2k
R85
1/8W 82k
D83
Q81
R93
1/8W 56k
R92
1/8W 10k
FG
C2
275V 0.22uF
C80
50V 0.1uF
R86
1/8W 82k
R80
1/6W 10
C81
50V 0.1uF
R87
1/8W 39k
R88
1/8W 820k
D1
C1
275V 0.22uF
R95
1/8W 10k
R91
1/8W 56k
C61
1kV 2200pF
R90
1/8W 22k
R89
1/10W 100k
Q82
R94
1/8W 22k
Q80
R83
1/8W 82k
D84
C62
1kV 2200pF
PC80
R81
1/8W 68k
R84
1/8W 82k
R82
1/8W 82k
NTC3
NTC2
L1
L2
Z1
Z2
R61
1/4W 330k
R62
1/4W 330k
R63
1/4W 330k
R8
1/10W 680
D101
BEA102
BEA101
C101
50V 560uF
D201
D202
C201
C202
C203
C204
50V 2700uF
C205
50V 2700uF
Q3
R12
1/10W 10k
R13
1/10W 10k
PC50
C19
35V 33uF
D12
IC1
ZT
FB
Is
GND
OUT
Vcc
NC
VS
R11 2W 68m
R10 2W 68m
C103
1kV 1000pF
Q1
F1
C3
KX 2200pF
C4
KX 2200pF
C7
KX 1000pF
C17
PC1
NTC1
D81
D82
D6
D9
R24
1/8W 3.3k
R30
1/8W 2.7k
C102
50V 2700uF
J203
J204
C23
C16 1kV 470pF
C24
1kV 470pF
C501
630V 0.047uF
FG
C20
250V 1uF
SW1
C25
50V 1000pF
C26
R221
1/10W 39k
R222
1/10W 39k
R223
1/10W 5.6k
C221
50V 4700pF
Q221
D221
C5
450V 330uF
CN2
1
3
CN1
LIVE
NEUTRAL
FG
T1QA
ࠉ
130Vdc(@100Vac)
ࠉ
330Vdc(@240Vac)
ࠉ
18Vdc
ࠉ
41Vdc
KX-NS500
5#
PSU :
SCHEMA
TIC DIA
GRAM (MAIN No
.1) (1/4)
75
KX-NS500UC
(1)
(k)
(m)
(n) (p)
(q)
(r)
(s)
(t)
(u)
(v)
(w)
2/4
4/4
1/4
3/4
R311
1/8W 0
R315
1/8W 560
R322
1/8W 4.7k
R326
1/8W 5.6k
R305
1/10W 4.7k
R308
1/8W 180k
C305
50V 0.1uF
C307
25V 1uF
D310
R310
1/8W 220k
R303
1/10W 10k
R309
D312
D311
R324
1/10W 10k
R317
1/10W 1k
PTC301
R301
1/8W 5.6k
C303
50V 0.1uF
C304
50V 0.1uF
R314
1/10W 10k
R325
1/10W 4.7k
C306
25V 1uF
Q304
D306
R319
1/8W 4.7k
D303
Q306
R321
1/10W 10k
R302
1/8W 22k
D307
Q303
R318
1/10W 10k
D304
C302
50V 0.1uF
R316
1/10W 1k
R323
1/8W 10k
R304
1/8W 22k
D305
Q307
C301
50V 27uF
R312
1/8W 47k
R313
1/8W 5.6k
D301
D313
R306
1/8W 100k
Q305
R327
1/8W 5.6k
D308
R320
1/10W 4.7k
R328
1/8W 10k
R307
1/8W 39k
PC50
D302
D319
Q302
D309
Q301
C312
26Vdc
KX-NS500
5#
PSU :
SCHEMA
TIC DIA
GRAM (MAIN No
.1) (2/4)
76
KX-NS500UC
2/4
4/4
1/4
3/4
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
C153
50V 470pF
C152
50V 4700pF
C161
50V 0.1uF
C181
50V 0.1uF
C108
D167
D161
D153
D152
D182
D155
D163
D169
D162
D165
D181
D164
D154
D166
BEA161
L151
Q151
Q183
Q162
Q181
Q182
R105
1/10W 680
R102
1/10W 1k
R159
1/8W 33k
R173
1/4W 22k
R106
1/10W 39k
R154
1/4W 33k
R153
1/8W 10k
R167
1/8W 100k
R160
1/8W 27k
R164
1/8W 22k
R157
1/8W 680
R163
1/8W 100k
R174
1/4W 22k
R172
1/4W 5.6
R155
1/8W 560
R168
1/8W 10
R170
1/4W 5.6
R169
1/8W 1k
R152
1/8W 10k
R161
3W 100m
R181
1/8W 120
R165
1/8W 1.5k
R162
1/8W 22k
R187
1/8W 33k
R171
1/4W 5.6
R166
1/8W 470
VR101
1/10W 5k
R214
1/10W 1.2k
C208
1kV 1000pF
C207
BEA201
R213
1/10W 3.3k
R212
1/10W 18k
D205
C209
50V 270uF
C210
50V 150uF
D102
IC101
R101
1/8W 2.7k
L202
D204
R151
1/8W 10
C151
50V 56uF
L201
D156
D183
D157
C154
50V 330uF
4
CN102
1
2
CN102
3
D168
F161
R104
1/8W 100k
R108
1/8W 2.7k
SW181
C104
50V 0.1uF
Q163
Q161
C502
630V 0.047uF
FG
FG
C165
4700pF
C167
4700pF
Q152
R175
R176
R177
1/8W 0
R178
1/8W 0
31
20
28
25
7
41V
12
38
4
8
POWERGND
CN101
27
CN101
17
10
35
29
36
POWERGND
23
37
24
16
21
DC ALM
14
26
40
34
13
30
18
3
15
1
AC ALM
5
19
6
33
22
NC
32
39
11
2
NC
9
PC1
L161
J161
J162
R158
1/10W 180k
R156
1/10W 220k
R189
1/10W 4.7k
R186
1/10W 10k
R182
1/10W 15k
R183
1/10W 39k
R185
1/10W 33k
R184
1/10W 10k
C162
C163
IC202
I
SW
ADJ
GND
SS
D151
C109
50V 2700uF
C211
50V 1000pF R215
1/10W 1k
R107
C107
J202
J135
R150
1/4W 0
C213
50V 100pF
C212
50V 1000pF
C216
1kV 1000pF
C217
50V 100uF
R228
1/10W 39k
R224
1/10W 22k
R225
1/10W 22k
1/10W 22k
R226
1/10W 22k
1/10W 22k
R227
1/10W 22k
C222
50V 4700pF
Q222
D222
D223
R188
1/4W 47k
D203
D206
D207
D208
BATT(+)
BATT(-)
ࠉ
56Vdc
(9)
(10)
(11)
KX-NS500
5#
PSU :
SCHEMA
TIC DIA
GRAM (MAIN No
.1) (3/4)
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