KX-MB263RU, KX-MB263UA (serv.man6) - Panasonic Fax Service Manual Supplement (repair manual). Page 25

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25
KX-MB263RU/KX-MB263UA
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
KX-MB263RU/KX-MB263UA SCHEMATIC DIAGRAM (MAIN BOARD No.4) (2/2)
4
-2
2/2
CID
MONITOR_RX:
TONE
HS RX:
HS TX:
MONITOR_RX:
FAX-TX,RX
:
HS
-TX,RX
:
C
E
B
A
D
F
6
7
8
SPMUTE
1:2I
R230
NC
(   )
C226
NC
(   )
EXTRLY
1:5G
L217
NC
(  
)
R238
NC
(   )
R242
NC
(  
)
RLY100
NC
1
2
3
4
5
R229
NC
(    )
R235
NC
(
)
DG
C232
NC
( )
+5VA
L219
NC
(  
)
R251 NC
(
)
DG
+5VA
R116
NC
(  
)
L218
NC
(
)
+3.3V
DG
HOOK
1:5G
C101
NC
(  
)
R225
NC
(  
)
DG
L225
NC
(  
)
R126
NC
(  
)
R234
NC
(
)
R118
NC
(   )
+5VD
L220
NC
(
)
DG
R231
NC
(   )
C227
NC
( )
DG
IC204
NC
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
R239
NC
(
)
R241
NC
(
)
R236
NC
(  
)
R240
NC
(
)
R228
NC
(  
)
C231
NC
( )
R226
NC
(  
)
C233
NC
(
)
C242
NC
(
)
R227
NC
(  
)
R250 NC
(   )
DG
DG
C224
NC
(  
)
R117
NC
(  
)
DG
R232
NC
(  
)
DG
+5VA
C236
NC
(
)
CIDRLY
1:2I
C103
(   
)
NC
DG
C229
NC
(
)
R237
NC
(   )
(
)
R128
NC
+5VD
L226
NC
(  
)
D103
NC
4
1
3
2
R233
NC
(
)
C230
NC
(
)
C243
NC
(
)
R252
NC
(  
)
DG
L100
NC
(   )
L101
NC
(
)
POS100
NC
(    
)
L106
NC
(
)
L102
NC
(  
)
RLY101
NC
1
2
3
4
5
L103
NC
(   )
L105
NC
(   )
D200
NC
(
)
1
2
3
DG
L232
NC
(   )
L233
NC
(    )
L111
NC
(
)
L110
NC
(
)
DG2
D102
NC
C113
NC
(   )
L.F
L238
NC
1
4
3
2
C246
NC
( )
L107
NC
2
3
1
4
R125
(     
)
NC
R122(      )NC
(
)
R131
NC
(
)
R133
NC
L223
NC
(
)
L221
NC
(
)
L224
NC
(
)
L222
NC
(
)
SA101
NC
(   
)
L239
NC
(
)
L240
NC
(    )
R123
NC
(    )
NC
(
)
C119
Q103
NC
B
C
E
R129
NC
(  
)
R134
NC
(
)
R135
(
)
NC
ZNR100
NC
(
)
R120
(
)NC
(    )
R132
NC
R255
NC
(
)
R256
NC
(
)
C248
NC
(
)
C249
NC
(  
)
CN200
NC
1
SP+
2
SP-
3
GND
4
HOOK
5
MIC-
6
MIC+
7
HSSP-
8
HSSP+
C115
NC
(  
)
C114
NC
(
)
SA100
(    
)
NC
21
Q106
NC
B
E
C
(
)
Q101
NC
B
C
E
Q105
NC
B
C
E
Q100
NC
B
C
E
Q104
NC
B
C
E
(
)
D101
NC
AK
( )
D100
NC
AK
(     )
NC
D105
A
K
(
)
NC
D104
A
K
L108
NC
(   )
L109
NC
(  
)
L216
NC
(  
)
L237
NC
(   )
(    )
R124
NC
CN101
NC
1
2
3
4
5
6
7
8
CN100
NC
1
2
3
4
5
6
7
8
F100
NC
(   
)
C126
(  
)
(  
)
NC
C112
NC
(   )
C125 (  
)
NC
C228
NC
(
)
C234
NC
(   )
MONITOR-RX

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