Page 10 13006 rev 0005
Note: When turnin
g
equipment ‘off’, the amplifier should always be turned off first, then
the preamplifier. When turnin
g
equipment ‘on’, the preamplifier should always be turned
on first, then the amplifier. Before turnin
g
anythin
g
on, ensure the preamplifier is at a
low volume level.
TroubleshootingPROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
No sound
(‘on’ LED not illuminated) 1. Power cord not plu
gg
ed in.
2. Power off at AC source.
3. AC power inlet fuse blown
or faulty.
4. Control switch in the wron
g
position.
1. Reconnect power cord.
2. Check AC switch or fuse.
3. Check for shorts or
overloadin
g
.
4. Place control switch in
proper position. (Pa
g
e 5)
No sound on some or all
selected channels (‘on’
LED illuminated)
1. Speaker leads loose or
faulty.
2. Line sta
g
e to amp. cables
loose. or faulty.
3. Source to line sta
g
e cables
loose or faulty.
4. Line sta
g
e or source not
correctly selected.
1. Ti
g
hten, repair, or
replace cable.
2. Ti
g
hten, repair or replace
cable.
3. Ti
g
hten, repair or replace
cable.
4. Check all switch settin
g
s.
Sound lacks direction,
bass weak 1. Speakers connected out of
phase. 1. Check connections
makin
g
sure that cables
are connected (+) to (+)
and (-) to (-).
Loud hum or buzz on one
or more channels 1. Poor
g
round connection in
interconnect cables. 1. Check all connectors and
repair as necessary.
Channel sounds distorted
and low in output 1. Blown rail fuse. 1. Replace blown rail fuse
inside amplifier.
** Note
: If unit continues to blow power inlet fuses, DO NOT USE A HEAVIER