29A-FX8 29A-FX5
TROUBLE SHOOTING TABLE (Continued) !"#$%&'()
Circuits to be checked:
? Power circuit.
NO RASTER
? Video circuit.
? Protector cirucit.
? Peripheral circuit of
Bus Line.
YesNo
Does RY2700 turn on?ARY2700A
Check connector (KY) and (H) of CRT.Turns on, but soon turns off.CRT(KY) (H)
NormalAbnormal
Does D1202 (POWER LED) turn on?D1202()
Yes (RED)()
Check IC3801, Q3801
IC2801
IC3802 and Check IC2801.IC3802 IC3803
IC3803.
26
D1202 (POWER LED) turns on and D1202()
off.
(Bus error)YesNo()
Check the
Check protector IC1701
power circuit
circuit and its IC1702 D1700
consisting of
related parts (2) IC1000V PULSE
IC1701, IC1702,
of IC1000
D1700 and etc.
V-PULSE.(2)
See many often
D1202 flashes D1202
in red.
This indicates
which IC to BICB
check up.
E26C26 |
ACEC
