Kenwood KVT 819 DVD Service Manual
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Extracted text from Kenwood KVT 819 DVD Service Manual (Ocr-read)
Page 2
KVT-819DVD/829DVD
/829DVDY/839DVD
O The IC106 in the DIGITAL I/O UNIT (X88-2020-14) is not a replaceable component.
In case of defective of this IC, replace the entire unit (X88»2020»14).
O The I05, IC21, and lose in the DVD unit (X37-1120»03) are not replaceable components.
In case of defective of any of these ICs, replace the DVD mechanism assembly. (The I05 has a device key, which shall be
made consistent with the S/No. of the mechanism assembly after replacement. Thus you cannot replace only the board.)
0 MICROCOMPUTERS TERMINAL DESCRIPTION,TEST MODE, ADJUSTMENT are the same as KVT-719DVD.
Please refer to the service manual (KVT-71QDVD: 353-0507-00).
GEAR POSITION IN A DVD MECHANISM
In assembling the Traverse UD arm, Drive cam assembly, Traver/se uo m
Drive gear 5 and Drive gear 46, align register marks on 7 7
these components.
Inscriptions
(register marks)
on gears
Align 6 marks
as shown in the
figure -\-\
Drive gear 5 Drive gear 40
Do not forcibly press gears to engage their teeth
but freely let the gears fall under their own weight
and engage their teeth.
,*\