Index Basic Servicemanual v 3.0
19BOX 155 • S-954 23 GAMMELSTAD • SWEDEN • PHONE +46-920 203080 • TELEFAX +46-920 203085 • www.indexbraille.com • E-MAIL info@indexbraille.com
A. Powerregulator for 5V + 12V.
B. Stepmotor driver.
C. Control circuite for powermodule (controlmodule).
D. Powermodule for hammers (powermodule).
E. Output connector for hammers.
F. Fifo and buffer circuite for controlmodule.
G. CPU, MC68230 FC 16.
H. Controlcircuite for: stepmotor, fan, feeder, fifo clock and LED.
I. Power for FLASH programming.
J. FLASH memory.
K. Paper moving sensor connector
L. D-ram circuite.
M. Mach circuite.
N. Controlcircuite for: keyboard, speachcircuite and timerclock.
O. Parallellport decoder.
P. Serialport decoder
Q. Speach circuite.
R. Keyboard decoder.
S. Keyboard connector.
T. Digital volumecontrol circuite.
U. Reset circuite.
Mainboard
A
B
F
C
D
E
G
H
I
J
K
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M
N
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P
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