FC2240-UM-251-9370
11-23
11. BLOCK DIAGRAMS AND CIRCUIT DIAGRAMS
Main Board, Pen DAC
-1
2V
+1
2V
-12V
-12V
+1
2V
VCC
JP6
JP-
R46 2
7K
�
�
U34A NJM074M (PEN)
3
2
1
4
11
�
�
U35A
NJM072M
3
2
1
8
4
�
�
U34B NJM074M
5
6
7
U33
DAC7802KU
21
12
1
6 7 8 9 10 11 13 14 15 16 17 18
D4 D5 D6 D7 D
8
D
9
D
10
D
11
D
12
D
13
D
14
D
15
5 20
19
4
3
2
22
23
24
VDD
DGND
AGND
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB1
1
CSA CSB
W
R
VREF
A
RFBA
IOUT
A
VREFB
RFBB
IOUTB
JP5
JP-
C79 1
04
�
�
U34C NJM074M
10
9
8
C83 1
03
C78 1
03
R44
47
K
R43
10
0K
C77 1
03
R48 4
7K
C76 1
0p
R47
10
0K
C75
10
4
TP
7
TP(TH)
�
�
U35B
NJM072M
5
6
7
R51 1
5K
TP8
R
C
S0
00
00
C
00
1A
1
2
C82
22
K
C81
10
4
C80 1
03
R50
27
K
R49
20
K
�
�
U34D NJM074M
12
13
14
R45
10
K
WRLZ
D[0..15]
D[15..0]
PLFB
PE
N
C
SZ
PLFBOUT
GAINCSZ
PE
N
O
FS
Summary of Contents for FC2240
Page 1: ...CUTTING MACHINE SERVICE MANUAL FC2240 FC2240 UM 251 04 9370...
Page 2: ......
Page 8: ...FC2240 UM 251 9370 vi...
Page 38: ...FC2240 UM 251 9730 3 15 3 OPERATIONS Sample printout by the CONDITION function...
Page 42: ...FC2240 UM 251 9730 4 2 4 DAILY MAINTENANCE AND STORAGE...
Page 70: ...FC2240 UM 251 9370 7 26 7 DISASSEMBLY AND ADJUSTMENT...