File name Denon-PMA1500AE amp.pdfFor Europe, China
& Japan model
SERVICE MANUAL Ver. 1
MODEL PMA-1500AE
INTEGRATED AMPLIFIER
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to ,
the operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
TOKYO ,JAPAN
Denon Brand Company, D&M Holdings Inc.
X0250 V.01 DE/CDM 0508
PMA-1500AE
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis
resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the
power cord is less than 460 kohms, the unit is defective.
2
PMA-1500AE
IDLING ADJUSTMENT
3
PMA-1500AE
4
PMA-1500AE
BLOCK/LEVEL DIAGRAM
5
PMA-1500AE
SEMICONDUCTORS /
Only major semiconductors are shown, general semiconductors etc. are omitted to list.
6
PMA-1500AE
7
PMA-1500AE
8
PMA-1500AE
9
PRINTED WIRING BOARD PMA-1500AE
1U-3715 POWER AMP UNIT
10
PMA-1500AE
1U-3716 INPUT UNIT
11
PMA-1500AE
NOTE FOR PARTS LIST
· Part indicated with the mark "nsp" are not always in stock and possibly to
take a long period of time for supplying, or in some case supplying of part
may be refused.
· When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-
supplying.
· Ordering part without stating its part number can not be supplied.
· Part indicated with the mark " " is not illustrated in the exploded view.
· Not including Carbon Film Resister ±5%, 1/4W Type in the P.W.Board
parts list. (Refer to the Schematic Diagram for those parts.)
· Not including Carbo |