RCA 54-45 Manual page 22

GENERAL: Before going on with the final steps, please review all of the preceding steps pertaining
to Figure 16 for any possible errors.
You have completed the assembly and wiring of your
completed the final steps and Figure 17, your unit will be ready for use.
1. ( ) To catch any wiring errors, it is suggested that the entire wiring be checked point-by-point
against the wiring instructions (and preferably against the schematic wiring diagram (Pg. 36) in your
OPERATING INSTRUCTIONS) in order to become more familiar with the component layout and
circuitry.
While doing so check for:
a. rosin joints
b.
loose lumps of solder
c. poor lead dress
d. accidental shorts
e.
leakage paths arising from the flow of rosin between contacts. (REMOVE any rosin
with a stiff brush dipped in alcohol. )
2.
( ) Insert all the tubes V1 through V6. DO NOT at this time, insert the CRT TUBE, V7.
to
REFER OPERATING INSTRUCTIONS PAGE 31 FIG. 7.
3.
( ) Insert the 1 amp fuse, F1, into the fuseholder, XF1.
4. ( ) Turn all switches and potentiometers on the FRONT PANEL to their EXTREME COUNTER­
CLOCKWISE positions.
( ) INSTALL one LARGE DARK GRAY KNOB over the "VERT GAIN" SHAFT and one over the
5.
"HORIZ GAIN" SHAFT.
on the FRONT PANEL. Tighten the setscrew in each knob.
6. ( ) INSTALL one SMALL DARK GRAY KNOB over the "INTENS" SHAFT.
that the WHITE LINE points vertically down (OFF POSITION). Tighten the setscrew.
7. ( ) INSTALL one SMALL DARK GRAY KNOB over the "FOCUS" SHAFT. Position the KNOB so
that the WIDTE LINE points downward on the FRONT PANEL.
8.
( ) INSTALL one SMALL DARK GRAY KNOB over the "VERT POS" SHAFT and one over the
"HORIZ POS" SHAFT. Position each KNOB so that the WHITE LINE points in the same direction
as the "FOCUS" KNOB.
9 . ( ) Place one OUTER CONCENTRIC KNOB over the "SWEEP RANGE/VERN. " shafts with the
white indicator pointing to the "HORIZ. EXT." mark. Tighten the setscrew.
10. ( ) Insert one LIGHT GRAY INNER CONCENTRIC KNOB over the "SWEEP RANGE/VERN."
shaft with the marker pointing downward.
STEPS
FINAL
Position each KNOB so that the WIDTE LINE points downward
21
54-45 OSCILLOSCOPE. When you have
Position the knob so