Kaypro 2 - 15-15.TIFF

J(AYPBO 103!E SYMfi'ltM-FIX WIlE (<nl"or.)
CCNDITION
No video display
IDSSIBLE CAUSE
~fective CRI'
RECCMMENDED ACTION
Replace CRI' assembly
~fecti ve mainb::>ard Replace mainroard
Defective fONer supply Replace p:JWer supply
~fective harness Replace harness
Video is on, but
screen is filled
with "garbage"
characters
~fective mainb::>ard
Reset harness shorted
to chassis
Replace mainb::>ard
O1eck lugs of reset button for
grounding to inside of chassis
"Raster" (oori-
zontal lines) on
video
~fective reset harness Replace reset harness
Brightness not adjusted Turn up brightness knob on back of
properly chassis: adjust brightness pot on
CRT board if necessary
Loose connection fran
mainb::>ard or fONer
supply
Strange video Defective mainb::>ard
image
Missing characters ~fecti ve mainboard
on video display
Hill not bcx:>t ~fective diskette
Check black plug fran palNer supply
to CRT board, 4-pin jumper fran
mainb::>ard to CRI' board: check that
plug on rear of CRI' tube is square
Replace mainb::>ard
Replace mainboard
O1ange diskettes
Diskette has no system O1ange diskettes: use a diskette
image with a known good system image
Wrong diskette for
rrodel of machine
~fective drive B
15-15
ROBIE will only bcx:>t on 17 sector,
192 TPI diskettes
Unplug data cable from drive B,
and reset machine: if it bcx:>ts,
replace B drive