Brother International HL-3400CN Service Manual - Page 95
Interface, Circuit, Printer, Table, Signal, VIDEO, HSYNC-N, HSYNC-P, PRREQ-N, MAND-N, ID1-N, ID2-N,
UPC - 012502526223
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Page 95 highlights
CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS (c) Interface Circuit (Printer side) Table 4-1: Interface Circuit No. Interface Circuit Signal Name O-1 1 M5M34050 isoo • .• • 2 M5M34050 +5V I 22 LI 22012 I 3 T tz• 0.01/IF 330O - SN74LS14 GND GND . +5V I 3.3KS/ I 4 - SN7406 • • • VIDEO-N • VIDEO-P . • HSYNC-N • HSYNC-P • PRREQ-N • COM MAND-N • ID1-N • ID2-N • VSYNC-N • IREADY-N • STATUS-N • KEY-STATUS-N
CHAPTER
4
STRUCTURE
OF
SYSTEM
COMPONENTS
(c)
Interface
Circuit
(Printer
side)
Table
4-1:
Interface
Circuit
No.
Interface
Circuit
Signal
Name
1
•
•
VIDEO
-N
VIDEO
-P
O
-1
isoo
•
M5M34050
.•
2
.
•
•
HSYNC-N
HSYNC-P
•
M5M34050
3
tz•
SN74LS1
22
LI
+5V
I
22012
I
•
•
•
•
PRREQ-N
COM
MAND-N
ID1-N
ID2-N
T
0.01
/IF
4
GND
330O
-
GND
.
4
-
+5V
I
3.3
KS/
I
•
•
•
•
VSYNC-N
IREADY-N
STATUS
-N
KEY
-STATUS
-N
SN7406
•
•