Pioneer PD-T303 Service Manual page 26

PD-T503
Oscilloscope Setting
Tray marker
Loading base
Slide angle U unit
Photo 9-1. Null point waveform
36
Check Items/
Adjustment
Specifications
Adjusting
Test Points Points
Slide angle U unit
<_ Guide base
Portion ©
Tip of guide base coincides
with tray marker
Slips approx. 2m/m if wrong
7 Z
Tray marker
< Magnification of portion © >
Fig. 9-8.
UUfVLA fhb
NL Ha
LL
Photo 9-2. Maximum amplitude
1. Set slide angle U unit
HH
ven
fll
Adjustment Procedure
After completing adjustments, attach tray 1 in
the following process.
Remove front panel previously as it disturbs
attachment of tray 1.
to the foremost
position (where opening of tray 1 is
completed). ;
2. Set slider to the foremost position as shown
in Fig. 9-8.
3. As shown by dotted line in Fig. 9-9 , insert
tray 1 aslant to the position that mounting
holes of slider and tray 1 coincide (make
sure that slider does not move backward).
4. Down tray 1 as pulling it to the right (toward
guide). Do it as holding slider from below
with finger.
5. Adjust position of tray 1 so that hook ® and
projection ® are properly fixed as shown in
Fig. 9-10. Also do it so that to engage
synchronous gear with gear of tray 1.
6. Make sure that mounting holes of slider are
being positioned in the center of tray 1's
screw holes, and tighten screws in order of
7. After completing attachment of tray 1, with
tray 1's complete-open state, make sure
that mutual position shown in the portion ©
's enlarged illustration is being satisfied.
If it does not, the adjustment must be made
again from the beginning.
Photo 9~3. Waveform off
Null Point