Maintenance
6-20 1705A Spectrum Monitor
Remove these screws in order
to remove the bezel
Figure6 -8: Bezel securing screws
For graticule light removal and replacement, t weezers with curved, serrated tips
are recommended. For example: Miltex PL312, 6--100(equivalent to PL312) or
PL317 (longer than PL312).
CAUTION. Needle-nosedpliers are not recommended.
Replacement bulbs are supplied with this instrument as Standard Accessories.
Additional bulbs can be purchased from Tektronix (see Repl aceable Electrical
Parts list) or from local electronicsdistribution sources.
Procedure
1. Remove the bezel according to the preceding instru ctions.
2. Toremove a bulb, position the tweezer tip s on the thin, flat portion of the
bulb (close to the plastic socket). Carefullypull the bulb straight out.
3. Toi nstall a bulb, hold it with the tweezers as described in st ep 2, position it
in front of thesocket, and push the bulb with your finger until it snaps into
place.
Graticule Light Removaland Replacement