Olympus OEP-3, Service Manual

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(iv)
OEP-3 V1 (UC)
(iv)
Board/REF Check item
SE-544 board/PH5,D1 . Connector connection/Defective parts
. The optical axis is out of the place
SE-541 board/PH2
.
Connector connection/Defective parts
. The optical axis is out of the place
SE-545 board/PH7 . Connector connection/Defective parts
SU-54 board/M13
SE-552 board/PH17
.
Connector connection/Defective parts
SU-55 board/M4
SE-546 board/PH8
SU-56 board/M5
NG_CODE4
NG command NG data Contents of NG
h’E4 BIT 6 RIBBON_CD_ERROR
BIT 5
BIT 4 PLATEN_CHECK_ERROR
BIT 3
BIT 2 LOAD_FG_ERROR
BIT 1 RIBBON_FG_ERROR (Take up)
BIT 0 RIBBON_FG_ERROR (Supply)
Symptom
PH5 sensitivity is not high enough (2.5 V or more).
PH5 dynamic range is 4.0 V or less.
PH2 sensitivity is not high enough (2.5 V or more).
PH2 dynamic range is 3.5 V or less.
Paper feed FG is not rotating.
Ribbon take-up FG is not rotating.
Ribbon supply FG is not rotating.