B&K Phono10 Owner's Manual - Troubleshooting
10
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
No sound
(‘On’ LED not
illuminated)
1. Power cord not plugged in
2. Power off at AC source
3. AC power inlet fuse blown or faulty
4. Control switch in the wrong position
1. Reconnect power cord
2. Check AC switch or fuse
3. Check for shorts or overloading
4. Place control switch in proper position
No sound on 1 or
both channels
(‘On’ LED
illuminated)
1. Source to Phono 10 cables loose or
faulty
2. Phono 10 to preamplifier cables loose
or faulty
3. Input not correctly selected on
preamplifier / receiver
1. Tighten, repair or replace cable
2. Tighten, repair or replace cable
3. Check source settings on
preamplifier / receiver
Loud hum or buzz
on one or more
channels
1. Poor ground connections in
interconnect cables
2. Poor ground in main AC supply
3. Cables running near AC power cords
4. Phono ground not connected
between phono player and Phono 10
1. Check all connectors and repair as
necessary
2. Check ground of outlet. Have it checked
by qualified serviceman
3. Reposition cables
4. Connect phono ground
Sound is lower in
volume compared
to other sources
1. Gain switch is in the low output level
setting
2. MC / MM switch in wrong position
according to cartridge type
1. Check setting of the Gain Switch (Page 9)
2. Check setting of MC / MM switch (page 5)
Sound is distorted
on 1 or both
channels
1. LOAD capacitors or resistors installed
improperly or missing
1. Check LOAD capacitors and / or resistors
for proper installation
* *Note:
If unit continues to blow power inlet fuses,
DO NOT USE A HIGHER RATED
FUSE
,
please contact customer service to have the unit serviced.
CARE AND CLEANING
Under normal use, the Phono 10 will not require any special care. Clean the exterior of the unit by wiping it with a
damp cloth to remove any dirt or dust that accumulates. Do not let any liquid enter the amplifier through its vents
or top cover. It is recommended that the connectors on the rear panel be cleaned annually using isopropyl
alcohol.