Schematic Diagram (Operation Board); Fpc135) - Panasonic KX-FPC135 Service Manual

19 SCHEMATIC DIAGRAM (OPERATION BOARD)

19.1. SCHEMATIC DISGRAM (OPERATION BOARD) (KX-FPC135)
5V
0V
TO DIGITAL
CN301
R303
RESET 11
180
KRXD 10
R304
KTXD 9
180 R308
KSCLK 8
R305 180
KLATCH 7
180 R309
KSTART 6
180
+5V 5
GND 4
R301
JOG1 3 1 JOG1
470 R302
JOG2 2 2 JOG2
470
FG 1 3 NC
4 GND
SW351
JOG DIAL
START/SET
*
/COPY
SW301 SW305
VOL DOWN STOP
SW302 SW306
VOL UP SP-PHONE
SW303 SW307
HELP
SW304 SW308
CN401
HOOK 1
GND 2
NC
NOT USED
R306
0
R310 0
R311 0
0
R312
R313 0
R314
9
REDIAL/PAUSE MUTE PROGRAM ONE 3,6
SW309 SW313 SW317 SW321 SW325
6 3 8 LOWER
MENU
SW310 SW314 SW318 SW322 SW326
5 2 0
RESOLUTION ONE 2,5
SW311 SW315 SW319 SW323 SW327
4 1 7 ONE 1,4
# QUICK SCAN
SW312 SW316 SW320 SW324 SW328
SW401
NC
LCD CONTRAST
R307
180
5V
0V
IC301
30 RESET 17
VDD
33 TXD 40
VDD
32 RXD 6
LED9
31 SCLK 5
LED8
34 LATCH 23
RS
35 START 24
R/W
42 KIN0 25
E
3 KIN1 26
D4
7 KIN2 27
D5
8 KIN3 28
D6
11 KIN4 29
D7
0 12 KIN5 22
LED1
R315 0 13 KIN6 36
LED2
R316 0 14 KIN7 37
LED3
43 KSL0 38
LED4
44 KSL1 41
LED5
1 KSL2 2
LED6
10 KSL3 4
IQ FAX
LED7
19 XLD13 9
LED10
15 XLD12 16
LED11
18 GND 20
XLD14
SW329
39 GND 21
XLD15
SW330
3 1 3 1
CALLER ID
4 2 4 2
DOCUMENT
DOCUMENT
SW331
TOP
SET
SENSOR
SENSOR
AUTO ANSWER
SW332 R323
100
HANDSET
SW333 SW335
SW334
231
5V
0V
0V
LED: ON
5V
LED: OFF
R343
R342 0
0
LED304
R337
IN USE
LED302
R329
220
AUTO ANSWER
LED303
R331
3 1
220
MONITOR
4 2
LED301
R330
COVER
330
SENSOR
JJ301
0
TO HOOK
R332
CN303
NC
1 HOOK
JJ302
2 GND
NOT USED
R333
NC
JJ303
0
R334
NC
( ): NOT USED
KX-FPC135 / KX-FPC141
to LCD
Not Used
CN302
10 GND
9 +5V
8 VO
7 RS
6 R/W
to COG
5 E
4 D4
3 D5
2 D6
1 D7
CN304
1 GND
2 +5V
3 V0
4 RS
5 R/W
6 E
7 D0
to COB
8 D1
9 D2
10 D3
11 D4
12 D5
13 D6
14 D7