Xerox DocuPrint C55 Service Manual page 277

A B
2.1 SELECTION AND INDICATION
1
2
PCU
PWB
CONN.
PL 4.2
PWB
PL
CN103 CN315
10.4
3
21 6
D0 CN307
28 1
D1
27 2
D2
26 3
D3
25 4
4
CN315
20 7
5
22 5
23 4
6
24 3
10
11
12
7
DocuPrint C55/C55mp[NC60]
C D
CONTROL
PANEL
PWB
CONNECTOR
PWB
CONTROL PANEL PWB
PL 1.1
CN310 CN401
LED ENABLE
2 2
DATA 0
9 9
DATA 1
8 8
DATA 2
7 7
DATA 3
6 6
SWITCH
ENABLE
1
1
DATA 0
DATA 1
DATA 2
DATA 3
READ/WRITE
3 3
REGISTER SELECT
4 4
DISPLAY ENABLE
5 5
11
10
12
DC COM
+5 VDC
E F G
PCU PWB
LCD
∼
DECODER
16 LINES, COM. 1 COM. 16
LCD
2 LINE DISPLAY
32 CHARACTERS
∼
80 LINES, SEG. 1 SEG. 80
2/99
7-3
H J
+5 VDC
ON-LINE
LED
DRIVER/
DECODER
DATA
BLACK
DATA 0
MAGENTA
DATA 1
DATA 2
DATA 3
CYAN
YELLOW
SWITCH
ON-LINE
DECODER
DATA 0
DATA 1
DATA 2
FORM
FEED
DATA 3
MEDIA
SERVER
MENU
SHIFT
PREVIOUS
NEXT
ENTER
MODE SELECTION
CHAIN 2 LEVEL 2
SHEET 1 0F 1
BSDs
Chain 2 Mode Selection