PA-20M&20B
BLOCK
D
IAGRAM
PA-20M&20B
BLOCK
DIAGRAM
PUBLIC ADDRESS
AMPLIFIER
12
Servicing
Refer all servicing to qualified personnel. To
reduce the risk of electric shock, do not
perform any servicing other than that
contained in the operating instructions unless
you are qualified to do so .
Servicing is required when the apparatus has
been damaged in any way , such as power
supply cord or plug is damaged , liquid has
been spilled or objects have fallen into the
apparatus, the apparatus has been exposed
to rain or moisture , does not operate
normally, or has been dropped.
To reduce the risk of fire or electric shock,
do not expose this apparatus to rain or
moisture.
Do not use this apparatus near water.
Install in accordance with the manufacture-r's
instructions. Do not install near any heat
sources such as radiators, heat registers,
stoves, or other apparatus (including am-
plifiers) that produce heat. Do not block
any ventilation openings.
Read these instructions.
Keep these instructions.
Heed all warnings.
Only use attachments/accessories spec-
ified by the manufacturer.
Power Cord and Plug
Do not defeat the safety purpose of the
polarized or grounding type plug.
A polarized plug has two blades with
one wider than the other. A grounding
type plug has two blades and a third
grounding prong. The wide blade or the
third prong are provided for your safety.
If the provided plug does not fit into your
outlet, consult an electrician for replace-
ment of the obsolete outlet.
Protect the power cord from being walk-
ed on or pinched particularly at plugs,
convenience receptacles, and the point
where they exit from the apparatus.
Cleaning
When the apparatus needs a cleaning, you
can blow off dust from the apparatus with
Follow all instructions.
No naked flame sources, such as lighted
candles, should be placed on the apparatus.
a blower or clean with rag etc.
Don't use solvents such as benzol, alcohol,
or other fluids with very strong volatility and
flammability for cleaning the apparatus body.
Clean only with dry cloth.
The mains plug is used as the disconnect device,
the disconnect device shall remain readily
operable.
The apparatus shall be connected to a mains
socket outlet with a protective earthing
connection.
3
BLOCK DIAGRAM
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions: (1) this device
may not cause harmful interference,and (2)
this device must accept any interference
received ,including interference that may
cause undesired operation.
