Maintenance

Remove these screws in order to remove the bezel

Graticule Light Removal and Replacement

Figure 6-8: Bezel securing screws

For graticule light removal and replacement, tweezers with curved, serrated tips are recommended. For example: Miltex PL312, 6-100 (equivalent to PL312) or PL317 (longer than PL312).

CAUTION. Needle-nosed pliers are not recommended.

Replacement bulbs are supplied with this instrument as Standard Accessories. Additional bulbs can be purchased from Tektronix (see Replaceable Electrical Parts list) or from local electronics distribution sources.

Procedure

1.Remove the bezel according to the preceding instructions.

2.To remove a bulb, position the tweezer tips on the thin, flat portion of the bulb (close to the plastic socket). Carefully pull the bulb straight out.

3.To install a bulb, hold it with the tweezers as described in step 2, position it in front of the socket, and push the bulb with your finger until it snaps into place.

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1705A Spectrum Monitor

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Tektronix 1705A instruction manual Graticule Light Removal and Replacement