Kaypro 2 - 15-07.TIFF

KAYPRO 2 AND 4 SYMPI'(M-FIX GUIDE (CCNl'INUED)
CCNDITICN
No output to
serial printer
(cont'd)
PffiSIBLE CAUSE
Baud rate 0 f printer
does not match baud
rate of canputer
RECc:M-1ENDED ACTICN
Use CCNFIG to set baud rate fur
serial p:>rt
Defective fONer supply Check voltages (esp.-l2 V) at
Pfller supply output: replace po.ver
supply
Defective harness Check voltages (esp.-l2V) at main
l::xJard po.ver connector: replace
harness
De fecti ve mainboard Replace main1::XJard
De fecti ve keyboard Replace keyl:x)a.rd
No characters on
video when keys
struck on keyl::xJard
De fecti ve keyboard
coil cord
Replace coil cord
Keyl::xJard connector on Check fur shorted contacts on
mainl.x:>ard defective keyboard plug: esp. soldering to
main board
De feCti ve mainboard Replace main1::XJard
Wrong characters De fecti ve keyboard
or tcx> many char-
acters appear when De fecti ve mainboard
a key is struck
15-7
Replace keyl::xJard
Replace main1::XJard (if ""@"@"@"
appears, replace 8116 IC on main-
board)