Denon PMA 1060 Service Manual

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D E N O N

SERVICE MANUAL
MODEL PMA-IDED/BSD

INTEGRATED STEREO AMPLIFIER

PMA-1060 PMA-860
CONTENTS
OPEFMTING INSTRUCTIONS
BLOCK, LEVEL DIAGRAM ................................................................
METHOD OF ADJUSTMENTS
REMOVAL OF EACH SECTION
SEMICONDUCTORS ..................................................................... 14
PRINTED WIRING BOARD
RAMP & SUPPLY UNIT (FOR PMA-1060) ................................................. 14
POWER SWITCH UNIT (FOR PMAv1060) ................................................. 14
INPUT & CONTROL UNIT (FOR PMA-1060) ............................................... 15
INPUT & CONTROL UNIT (FOR PMA-SBO) ................. 16
RAMP & SUPPLY UNIT (FOR PMA-BBO) ................................................ 17
POWER SWITCH UNIT (FOR PMA~860) .................................................. 17
NOTE FOR PARTS LIST ........................................
PRINTED WIRING BOARD PARTS LIST
PARTS LIST OF EXPLODED VIEW ...................................................... 28 ~ 30
EXPLODED VIEW OF CHASSIS AND CABINET ......... 31
WIRING DIAGRAM ..................................................................... 32
SCHEMATIC DIAGRAM
PMA-1060 .......................................................................... 33
PMA-BGO ........................................................................... 34

NIPPON COLUMBIA CO. LTD.

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- PMA-1OBO/BIO

lrEXCEPT U.K. & AUSTRALIA MODELS |

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (0R BACK). NO USER SERVICE-
ABLE 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
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 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 OR MOISTURE.

CAUTION

ATTENTION _ .

TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLA-
RIZEDI PLUG WITH AN EXTENSION CORD, RECEPTACLE OR
OTHER OUTLET UNLESS THE BLADES CAN BE FULLY IN-
SERTED TO PREVENT BLADE EXPOSURE.

POUR PREVENIR LES CHOCS ELECTRIOUES 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 1
EN LAISSER AUCUNE PARTIE A DECOUVERT.

SAFETY INSTRUCTIONS

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

Retain Instructions 7 The safety and operating
instructions should be retained for future reference.

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

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

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.

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 -The 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 builtain 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.