SYMPTOM 4
No pre amplifier boost.
SOLUTION 4
Replace pre amplifier tubes V2 or V3 or a combination.
SYMPTOM 5
Slow loss of power
SOLUTION 5
Check first for damaged output valves (glowing ,flashing or dead) by using the procedures described in symptom 3.
All of these trouble shooting procedures can be performed quickly, without the aid of any sophisticated test gear. We suggest
that you always maintain spare valves for emergency purposes. Keep your
Laney
free of dirt, dust and moisture to prevent
performance failure Never subject your valve amp to environmental conditions that would not be comfortable to you!
Should other customer service be necessary, contact your authorised
Laney
dealer or call
Laney
service direct.
LC30-II
Maximum Power Consumption 100Watts
Supply Voltage (Factory Pre-set) 115/230 Volts
Supply Frequency 50/60Hz
Output Power 30 Watts
Input Impedance Hi & Lo 1 Meg Ohm
FX loop level (nominal) 0dB
FX send/return impedance 1k/100k Ohm
Speaker impedance 8 Ohm
Extension speaker 8 Ohm
Speaker size 12"/300mm
Speaker rating 50 Watts
Size H xW x D 445x565x245
LC50-II
Maximum Power Consumption 200Watts
Supply Voltage (Factory Pre-set) 115/230 Volts
Supply Frequency 50/60Hz
Output Power 50 Watts
Input Impedance Hi & Lo 1 Meg Ohm
FX loop level (nominal) 0dB
FX send/return impedance 1k/100k Ohm
Speaker impedance 8 Ohm
Extension speaker 8 Ohm
Speaker size 12"/300mm
Speaker rating 80 Watts
Size H xW x D 450x565x315
TECHNICAL SPECIFICATION
SOLUTION 3
Replace the secondary fuse and turn on the power. View the output valves. If one valve fails to light up, replace that valve. If
the output valves check out ok, another cause of a blown secondary fuse is a damaged preamplifier valve. Start with valve V1
and replace it, follow the above procedure. If the symptom persists, consult a qualified engineer, do not fit higher rated fuses.
Laney
6
In the interest of continued product development BLT Industries Ltd. Reserves the right to amend product specification without prior notification.
POWER TO THE MUSIC
Laney
