Sony UP-D2500 Service Manual page 63

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7) Ribbon code sensor(PHTR)
Route
: SE-424 to SE-417 to PRT-11
TP
: PRT-11 board TP118(RBN_CD 0),TP121(RBN_CD 1)
Function — : Distinction of start, end arid beginning code detection marks of ribbon.
(Photo transistor)
Level
Cri 0 rn
Beginning detection of MAGENTA and CYAN
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8) Bar code sensor
Route
: SE-425 to SE-417 to PRT-11
TP
: PRT-11 board TP124
Function: Detection of bar code ring that is distinguished the kind of ribbons.
Level
: Rectangle waveform output
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UP-D2500(UC,CE)
4-13

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