Epson CBB Service Manual page 60

Epson Stylus Color 200 /Epson Stylus 200
Phenomenon Condition
Carriage does Drive pulse
not operate does not
normally. output.
PF motor does Drive pulse
not operate does not
normally. output.
Rev. A
Table 5-4. Repair of C199 MAIN(Cont.)
Cause
CPU is Does the wave-form correct?
defective. (Check pin either at 9 and 10.)
IC12 is Does the wave-form correct?
defective. (Check pin at 17,20 and 14,23.)
Does the wave-form correct?
CPU is
(Check pin either at 3 and 4.)
defective.
IC16 is Does the wave-form correct?
defective. (Check pin at 17,20 and 14,23.)
Checkpoints
Troubleshooting
Solution
Replace CPU.
Correct : replace
motor.
Incorrect : repalce
IC12.
Replace CPU.
Correct : replace
motor.
Incorrect : repalce
IC12.
5-5