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4 CIRCUIT OPERATIONS
4.1.
CONNECTION DIAGRAM
Change from original page 119 (6.1. CONNECTION DIAGRAM)
VSS
VDD
VO
RS
R/W
LCD
E
(COB)
D4
D5
D6
D7
HOOK
OPERATION
SW
BOARD
CN401
HOOK
1
GND
2
POSITION SW
MPCS
GND
CN504
SIG
1
GND
2
+5V
3
4
GND
CIS
5
SI
6
GND
7
CLK
8
G. LED
9
V. LED
10
DIGITAL
BOARD
CN506
A
1
B
2
NA
3
MOTOR
NB
4
COM
5
CN301
CN505
FG
1
1
1
JOG2
2
2
2
JOG1
3
3
3
GND
4
4
4
+5V
5
5
5
KSTART
6
6
6
KLATCH
7
7
7
KSCLK
8
8
8
KTXD
9
9
9
KRXD
10
10
10
RESET
11
11
CN304
CN303
1
2
1 2
CN501
CN101
BELL
1
2
3
4
P-SHORT
5
LINE RLY
6
BREAK
7
LINE RX
8
MOD RX
9
LINE TX
10
CN502
CN102
DG
1
AG
2
+5VA
3
+5VD
4
+24V
5
HSRX
6
7
HSTX
8
9
X501
32.768kHz
CN508
+24V
1
+24V
2
PG
3
PG
4
+5V
5
X502
TM
6
STB1
7
STB2
24MHz
8
STB3
9
THCLK
10
THLAT
11
THDAT
12
X503
32.256MHz
CN509
+24V
1
+24V
2
+24V
3
PG
4
PG
5
DG
6
+5V
7
8
SPEAKER
CN503
SP+
1
SP-
2
CN507
23
TO TEL LINE
CN103
1
2
3
TO EXT. TEL
CN104
4
5
6
7
8
9
10
1
2
CN105
3
HSMIC+
4
4
HAND
HSSP-
3
5
HSSP+
2
SET
6
HSMIC-
1
7
8
9
+24V
1
+24V
2
GND
3
GND
4
+5V
5
THER
THERMAL
6
STB1
7
HEAD
STB2
8
STB3
9
THCLK
10
THLAT
11
THDAT
12
POWER
SUPPLY
BOARD
+24V
1
+24V
2
+24V
3
PG
4
PG
5
DG
6
+5V
7
8
KX-FP105RS
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