Vectronics VEC-1604K - Manual (Page 14)

VEC-1604K Owner's Manual Portable CD Amplifier Kit
12
This concludes assembly of your VEC-1604K CD-Player Amplifier kit. Check
your work thoroughly before proceeding to the Testing and Alignment section
of the manual.
TESTING AND ALIGNMENT
There's no internal alignment required with this kit. To test the circuit board for
proper operation prior to installation in a cabinet, connect as shown:
Pwr
Tone
R L
Vol
Left Right
Speakers
CD
Player
Input
Off/On
Power Source
+ 12-24 Volts
8-16 Ohms
Speaker and CD Player Connections: Speaker output jacks require plugs
configured for monaural wiring. Be sure to wire stereo speakers in phase with
(+) to tip, (-) to common or ground. The CD Player Input jack requires a stereo
plug configured for normal stereo wiring:
3.5 mm Stereo or mono plug
Tip
Sleeve
Ring (N.C.)
3.5 mm Stereo plug only
Tip (L)
Sleeve
Ring (R)
+ -
Speaker
Right Channel
Left Channel
Common
When conducting initial tests, start with all volume controls set at minimum to
prevent the speakers from blasting when turning your unit on. The volume
controls on your CD player and amp will interact. Usually its best to adjust the
player so that full volume setting on your amp correspond with maximum
undistorted output.
Important Note: Your amplifier ICs are not outfitted with external heatsinks.
Experience shows heatsinks are not generally needed for casual listening.
However, if you operate your amplifier at high volume levels for extended
periods of time or connect it to 4-Ohm speakers, IC1 and IC2 may overheat. If
this occurs, you may add a heatsink easily by cutting a single 3" x 1-1/2" piece of