Process Section - Sharp SF-2050 Service Manual

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2. Process section

(1) Blank lamp (BL) position adjustment
1
Check that the enter shift is within 2.0mm. (If the center shift is
more than 2.0mm, adjust the center shift.)
2
Set an A3 (11" x 17") white paper on the original table, and make
a reduction copy (64%) on an A3 (11" x 17") white paper with the
original cover open.
3
Measure the sizes of the black background on the both sides.
Move the blank lamp unit back and forth to adjust so that the
difference of the two sizes is within 1mm.
A
B
IA-BI
1mm
(2) High voltage output balance adjustment
A. Special measurement tool
Electrode sheet (UKOG-0110FCZZ)
UKOG-0110FCZZ
8 – 3
Tool used: UKOGE0043CS01 (Digital multi meter)
Electrode sheet harness (DHAI-0304FCZZ)
Orange
(Microswitch)
(QSW-M0118FCZZ) PHOG-0007FCZZ
QTIPH0017FCZZ
(Section A wiring diagram)
Orange
300KΩ x 2
White
(VRN-RT2EK304F)
B
A
A
B
Orange
Green
(QCLIZ0005FCZZ)
A
Blue
Blue
(QCLIZ0006FCZZ)
Black
Black
White
(QCLIZ0010FCZZ)
White
Yellow
(QCLIZ0004FCZZ)
Red
Red
(QCLIZ0002FCZZ)
Blue
Black

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