Sony IFB-LE100, Service Manual

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3-9
VPD-LE100A/LE100E/LE100U
3-6. QC Board Adjustment
3-6-1. Current Detection 0 Set Adjustment
Remove all the signals (open) from the CONTROL-S IN
connector.
Adjust RV1 of the QC board so that TP1 (0 SET) satisfies
the specifications.
Specified value : 30 mV
±
10 mV
3-5-1. Top/Bottom Focus Adjustment
1. Loosen the locking screws for the top/bottom focus
adjustment screw on the lens shift block.
2. Adjust the focus in the center of the screen with the
remote control.
3. Use white paper or the like and assess which of the top
or bottom of the screen becomes in-focus at the point
that is still before the screen.
When the top becomes in-focus at the point before the
screen, turn the top/bottom focus adjustment screw so
that the screen moves upward and exact focus at the
top and bottom on the screen is obtained.
When the bottom becomes in-focus at the point before
the screen, turn the top/bottom focus adjustment screw
so that the screen moves downward and exact focus at
the top and bottom on the screen is obtained.
4. The focus in the center of the screen will be out of
focus when the top/bottom focus adjustment screw is
turned. Adjust the focus in the center again and adjust
the top, center and bottom foci of the screen.
5. Fasten and fix the locking screw for the top/bottom
focus adjustment screws loosened in step 1.
3-5-2. Left/Right Focus Adjustment
1. Adjust the focus in the center of the screen with the
remote control.
2. Use white paper or the like and assess which of the
right or left of the screen becomes in-focus at the point
that is still before the screen.
When the right becomes in-focus at the point before
the screen, turn the right/left focus adjustment screw
so that the screen moves to the right and exact focus at
the top and bottom on the screen is obtained.
When the left becomes in-focus at the point before the
screen, turn the right/left focus adjustment screw so
that the screen moves to the left and exact focus at the
top and bottom on the screen is obtained.
3. The focus in the center of the screen will be out of
focus when the right/left focus adjustment screw is
turned. Adjust the focus in the center again and adjust
the right, center and left foci of the screen.