Troubleshooting - Roksan Audio PR15B User Manual

Dual mono precision
Table of Contents

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If you suspect that your ROKSAN
connections carefully. Phono plugs and XLR connectors should be fully inserted- a frequent cause of problems is
that connectors do not make proper contact. Below are some commonly encountered problems with suggestions
for possible cure. The list is not exhaustive: If you have any unresolved problems, please consult your appointed
ROKSAN dealer or distributor.
SYMPTOM
No power
No output on one or both
channels
Very low sound output
No volume control on Video
or Line 1 input
Hum from speakers
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There are no user-serviceable parts inside your
servicing to your appointed ROKSAN dealer, distributor or approved service agent.
P l a t i n u m
Your ROKSAN
period of two years from the date of purchase.
This guarantee only becomes effective if the warranty card is validated by the ROKSAN retailer from whom the
equipment was purchased and returned to ROKSAN within 28 days of purchase.
This guarantee excludes:
1. Damage caused due to accident, missuse, neglect and incorrect installation, adjustment or repair.
2. Liability for damage or loss during transit from the retailer or purchaser to ROKSAN or its authorised
distributor for the purposes of repair or inspection.
Carriage costs to ROKSAN shall be borne by the consignor.
All claims under this guarantee must be made through an authorised ROKSAN retailer.
If equipment returned for repair to ROKSAN is found on inspection to comply with the product specification
ROKSAN reserves the right to make a charge for examination and return carriage.
Unauthorised servicing will void this guarantee.
Roksan Audio ltd
CLASSIFICATION: General Use
All specifications are liable to change without notice. E&OE
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P l a t i n u m
LIKELY CAUSE
AC Mains lead not inserted properly
Unit not switched on at rear panel
IEC mains inlet fuses blown
Amplifier in stand-by mode (MODE light
GREEN)
Missing or bad input signal connection
Wrong input selected
Input switch incorrectly set
Tape Monitor selected
Amplifier set in MUTE position
Bypass switch incorrectly set
Incorrect Grounding
Poor choice of interconnect cables
preamplifier is guaranteed against any defect in materials and workmanship for a
preamplifier is not operating properly, you should check all the
P l a t i n u m
preamplifier. If a fault should develop, refer any
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SUGGESTED REMEDY
Ensure AC Mains lead is fully inserted
Switch unit on at rear panel
Replace with identical fuse type and
rating and try again (only once)
Press MODE button to set amplifier in
operational mode (MODE light RED)
Check all input connections
Select correct input, ascertain source is
working
Check & set Input switch (RCA or XLR)
Deselect Tape Monitor
Deselect MUTE (check volume setting
first)
Check & set Bypass switch (RCA or
XLR)
Check Mains polarity and grounding on
all connected equipment
Change the interconnect cables
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Preamplifier User Manual
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Version 1.03
ENGLISH

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