Caution – Altec Lansing 4200A User Manual

Page 3

Operating Manual 6125A and 4200A Multi-Channel Power Amplifier

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

The lightning flash with arrowhead symbol,

within an equalateral triangle, is intended to alert
the user to the presence of uninsulated "danger-
ous voltage" within the product's enclosure that
may be of sufficient magnitude to constitute a risk
of electric shock to persons.

The exclamation point within an

equalateral triangle is intended to alert the user
to the presence of important operating and main-
tenance instructions in the literature accompany-
ing the device.

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER SER-

VICEABLE P

VICEABLE PA R

A R

A RTS INSIDE. REFER SER

TS INSIDE. REFER SER

TS INSIDE. REFER SERVICING TO QUALIFIED SER

VICING TO QUALIFIED SER

VICING TO QUALIFIED SERVICE PERSONNEL.

VICE PERSONNEL.

TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS

APPLIANCE TO RAIN OR MOISTURE.

TO REDUCE THE RISK OF FIRE, REPLACE ONL

TO REDUCE THE RISK OF FIRE, REPLACE ONLY WITH SAME TYPE FUSE.

Y WITH SAME TYPE FUSE.

REFER REPLACEMENT TO QUALIFIED SER

REFER REPLACEMENT TO QUALIFIED SERVICE PERSONNEL.

VICE PERSONNEL.

WARNING: THIS APP

ARNING: THIS APP

ARNING: THIS APPA R A

A R A

A R ATUS MUST BE EAR

TUS MUST BE EAR

TUS MUST BE EARTHED THROUGH THE SUPPLIED

THED THROUGH THE SUPPLIED

POWER LINE CORD

Caution:

This power amplifier can pr

This power amplifier can produce danger

oduce danger

oduce dangerous output voltage levels, high

ous output voltage levels, high

power levels, and high sound pr

power levels, and high sound pre s s u r

e s s u r

e s s u re levels in loudspeakers. In or

e levels in loudspeakers. In or

e levels in loudspeakers. In order to mini-

der to mini-

mize the risk of injury

mize the risk of injury, damage, or hearing loss, please r

, damage, or hearing loss, please r

, damage, or hearing loss, please read the entir

ead the entir

ead the entire owner’

e owner’

e owner’sssss

manual befor

manual before connecting to a sound system.

e connecting to a sound system.

10 DESIGN THEORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

11 TROUBLESHOOTING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

11.1 No Audio Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11.2 Distorted Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
11.3 Hum or Buzz Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

12 DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

13 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

14 WARRANTY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

This manual is related to the following products:

6125A