SERVICE MANUAL Diagnostics
23JUL01
SM5766-1
Page
88 of 96
SLIDE TRAY does not rotate freely
when the SELECT BUTTON is
pressed down. The projector has
power.
1. Press and release the SELECT
BUTTON.
• Check that the LOCATOR
LEVER moves correctly and is
not bent.
2. Press and hold the SELECT
BUTTON down.
• Check the SLIDE LIFT LEVER
RAMP for damage.
3. Check the height of the SLIDE
LIFT LEVER; the lower corner of
the LIFT LEVER LAMP is parallel
with the TOP HOUSING. If the
height is not correct, do the
adjustment for the MANUAL and
POWER SLIDE LIFT LEVER
ECCENTRICS.
TIMER (Models 1500 and 2000 Only)
does not operate
1. Check the VARIABLE RESISTOR
for correct operation and install a
new part if necessary.
2. Move the TIMER BUTTON
forward and backward; use a
DVM to check for changes in W.
3. Energize the projector and move
the TIMER to “S”.
• Check the voltages on CR3,
Q3, and Q4, see the voltage
table.
Malfunction Solution
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