Accessory Panel Kit Installation - Crown D-150 Service Manual

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The D-150 may be custom oF rack-miounted if an accéssory front-
panel kit with rack-mounting brackets was purchased. The
installation of this kit is detailed in Figure 3-2. Refer to Figure
3-1 for mounting dimensions. Sufficient ventilation must be pro-
vided forthe unit. Airmust be allowed tocirculate overthe chassis,
atherwise. the amplifier.will-intenmitiently tur off due to the -
internal. thermal. protection. feature...Applications +-.other-than
standard "Hi-Fi" — requiring long, sustained signaisathigh power
levels may require the use of a cooling fan.
3.4. ACCESSORY PANEL pis INSTALLATION
MODEL PK)... 05
To install the D-150 amplitier ina : "custom configuration' ue
cessory cabinet (Model 5-D or 5-R) or a rack, the accessory front
panelmust be-attached:first: Referto Figure: 3:2eso2.0006
1. Pull four rubber feet off the bottom of the amplifier,
2. Place amplifier on bench or table: stand on end with trans:
former. down,
"Amplifier" onthe front panel should foe tb
cpanel being-instalied: sae
4. Plastic wedges supplied with the panel kit should be forced inta
positions Land 2or Hoth ends of the unit as far as possible. Clip
or break off the excess part of the plastic wedges ~
5. Align-end-caps-to-the-unit-so-holes."A"-and "B" m a t c h th
caps. Use 6/32 x % socket cap screws. (NOTE: Socket screws
may look as though they are cross threading but willstraighten
approximately half way through)
in. a "custom installation", install a solid shelf to support.the
amplifier..The -shelf-top-surface should: be- flush with the bottom
edge of the required L6%," wide.x 5%" high-panel cutout.
When using angle brackets for rack mounting (Figure 3-2) always
have the brushed side of the anglé-bracket toward you. Simply
mount the end-brackets in-place of the end caps and rack mount:
as shown in Figure 3-1.
FIGURE 3-2.
PANEL KIT MOUNTING
fatchtheend. -
Hy
; FIGURE 3-3.
GRAPH of V-1 OPERATING RANGE of D-180 OUTPUT
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