Power-Up Problems - Linn LK85 Service Manual

nd
2 June 1999

Power-up problems

The following are some problems you may encounter when you power up the LK 85 or LK140.
Power up problems
Symptom Circumstances
Won't power up. Constant
Power LED dead
& no function
Power LED dead May be intermittent
Power LED is red May be intermittent
Won't power up - May be intermittent
Power LED dead – may die
& no function intermittently or
sometimes may not
power up
Doesn't power up May be intermittent
Page4
Contents
Possible Cause(s)
Fuse blown in unit and/or in
mains plug.
Power LED faulty
Or
Fallen out of its place in the
facia
Or
Has a bad connection
Unit is in Standby or is in Trip
Mains lead faulty
Wrong voltage for amplifier
type – mains voltage is too
low. (e.g. 240V unit being
used with 115V mains
supply.)
Copyright © 1999 Linn Products Limited. All rights reserved.
Cure
Replace fuse(s) with correct
value & type.
Fuse in mains lead should be 5A.
Fuse in the mains inlet of the amp
should be "Slow Blow" – look for
a 'T' before the rating on the fuse.
Correct types are:
100 - 115V - 6.3A
220 - 240V - 3.15A
Check that power led is correctly
fitted to its socket in the facia.
Check that it is making good
electrical contact (pushed fully
into socket on board etc.)
If faulty, replace – Linn part no:
CONN 702.
See User Manual
See 'Stand-By Problems' section.
See 'Protection Problems' section
Replace faulty mains lead.
Check voltage rating at rear of
unit. If you have the wrong
amplifier type, you will require to
replace the mains Transformer
with the correct type – Linn part
nos:
LK85
230V - MCAS 030/230
115V - MCAS 030/115
100V - MCAS 030/100
LK140
230V - MCAS 033/230
115V - MCAS 033/115
100V - MCAS 033/100