Denon PMA 360 Service Manual

Page 1

Hi-Fi Integrated Stereo Amplifier

SERVICE MANUAL
MODEL PMA- 360

INTEGRATED STEREO AMPLIFIER

CONTENTS
OPERATING INSTRUCTIONS ............................................................. 2~10
BLOCK AND LEVEL DIAGRAM .............................................................. 11
METHOD OF ADJUSTMENTS ............................................................... 11
REMOVAL OF EACH SECTION ............................................................. 12
SEMICONDUCTORS ................................................................... 13
PRINTED WIRING BOARD .............................................................. 13, 14
WIRING DIAGRAM ....................................................................... 15
PRINTED WIRING BOARD PARTS LIST ................................................... 16~19
EXPLODED VIEW OF CHASSIS AND CABINET ................................................ 20
PARTS LIST OF EXPLODED VIEW ........................................................ 2], 22
SCHEMATIC DIAGRAM .................................................................... 23

NIPPON COLUMBIA CO. LTD.

Page 2

- P MA-SSD

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). N0 USER SERVI-
CEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an equilateral triangle,
is intended to alert the user to the presence of uninsulated "dangerous
voltge" within the products enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the appliance.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
APPLIANCE TO RAIN 0R MOISTURE.

CAUTION

ATTENTION

TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARI-
ZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE OR
OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSER
TED TO PREVENT BLADE EXPOSURE.

POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER
CETTE FICHE POLARISEE AVEC UN PROLONGATEUR UNE
PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT.
SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS

EN LAISSER AUCUNE PARTIE A DECOUVERT,

SAFETY INSTRUCTIONS

I. Read Instructions - All the safety and operating
instructions should be read before the appliance is
operated.

2. Retain Instructions - The safety and operating
instructions should be retained for future reference.

3. Heed Warnings - All warnings on the appliance and
in the operating instructions should be adhered to.

4. Follow Instructions - All operating and use instruc-
tions should be followed.

5. Water and Moisture - The appliance should not be
used near water - for example, near a bathtub,
washbowl, kitchen sink, laundry tub, in a wet
basement, or near a swimming pool, and the like.

6. Carts and Stands - The appliance should be used
only with a cart or stand that is recommended by the
manufacturer.

6A. An appliance and
cart combination
should be moved
with care. Quick
stops, excessive
force, and uneven
surfaces may cause
the appliance and cart combination to overturn.

7. Wall or Ceiling Mounting vThe appliance should be
mounted to a wall or ceiling only as recommended
by the manufacturer.

8. Ventilation - The appliance should be situated so
that its location or position does not interfere with its
proper ventilation. For example, the appliance
should not be situated on a bed, sofa, rug, or similar
surface that may block the ventilation openings: or,
placed in a built-in installation, such as a bookcase or
cabinet that may impede the flow of air through the
ventilation openings.

9. Heat - The appliance should be situated away from
heat sources such as radiators, heat registers.
stoves, or other appliances (including amplifiers)
that produce heat.