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AEP Model

UK Model

2007D04-1
© 2007.04

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This amplifier incorporates Dolby* Digital and 
DTS**.
*

Manufactured under license from Dolby 
Laboratories.
“Dolby” and the double-D symbol are 
trademarks of Dolby Laboratories.

** “DTS” and “DTS 2.0” are trademarks of DTS,

Inc.

POWER OUTPUT
Rated Power Output*

6 ohms 1 kHz, THD 0.7%:
65 W + 65 W

 

 

 

Power requirements 230 V AC, 50/60 Hz

* Measured under the following conditions:

Power requirements: 230 V AC, 50/60 Hz 

Inputs (Analog)

PHONO

RIAA equalization curve 
± 0.5 dB

TUNER, SA-CD/CD, 
TAPE

10 Hz – 40 kHz
± 3 dB (8 ohms)

PHONO

Sensitivity: 2.5 mV
Impedance: 50 kohms
S/N: 86 dB (A, 20 kHz 
LPF)

Output (Analog)

Inputs (Digital)

TUNER, SA-CD/CD, 
TAPE

Sensitivity: 150 mV
Impedance: 50 kohms
S/N: 96 dB (A, 20 kHz 
LPF)

TAPE

Voltage: 150 mV
Impedance: 1 kohms

DIGITAL 1/2/3

Impedance: 75 ohms
S/N: 96 dB (A, 20 kHz 
LPF)

DIGITAL 4

S/N: 96 dB
(A, 20 kHz LPF)

2

COMPONENTS  IDENTIFIED  BY  MARK  0  OR  DOTTED  LINE
WITH  MARK  0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS  WHOSE
PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  MANUAL  OR
IN  SUPPLEMENTS  PUBLISHED  BY  SONY.

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

Unleaded solder has the following characteristics.

• Unleaded solder melts at a temperature about 40 °C higher

than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 

°C.

Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

60 W

Output (Digital)

TONE

Power requirements 230 V AC, 50/60 Hz

ower consumption

including projecting parts 
and controls

Mass

Operating Instructions
Optimizer microphone ECM-AC1 (1)
AC power cord (mains lead) (1)
Remote commander RM-AAU012 (1)

Design and specifications are subject to 
change without notice.

DIGITAL 4

S/N: 96 dB
(A, 20 kHz LPF)

TREBLE

±10 dB, 1 dB step

BASS

±10 dB, 1 dB step

P
Dimensions (w/h/d) (Approx.) 280 

× 111 ×

286 mm

(Approx.) 4.6 kg

3

................................................

4

...................................................................

7

3-1.

Top Plate, Side Plate ........................................................

9

3-2.

Power Board .................................................................... 10

3-3.

Front Panel Assy .............................................................. 10

3-4.

Main Board ...................................................................... 11

.............................................................. 12

5-1.

Block Diagram – Input Section – .................................... 15

5-2.

Block Diagram – DSP Section – ..................................... 16

5-3.

Block Diagram – AMP Section – .................................... 17

5-4.

Block Diagram – Power Supply Section – ...................... 18

5-5.

Printed Wiring Board
– Main Board (Component Side) – ................................. 20

5-6.

Printed Wiring Board
– Main Board (Conductor Side) – ................................... 21

5-7.

Schematic Diagram – Main Board (1/5) – ...................... 22

5-8.

Schematic Diagram – Main Board (2/5) – ...................... 23

5-9.

Schematic Diagram – Main Board (3/5) – ...................... 24

5-10. Schematic Diagram – Main Board (4/5) – ...................... 25
5-11. Schematic Diagram – Main Board (5/5) – ...................... 26
5-12. Printed Wiring Board – DSP Board – ............................. 27
5-13. Schematic Diagram – DSP Board – ................................ 28
5-14. Printed Wiring Board – MIC Board – ............................. 29
5-15. Schematic Diagram – MIC Board – ................................ 30
5-16. Printed Wiring Boards – Panel Section – ........................ 31
5-17. Schematic Diagram – Panel Section – ............................ 32
5-18. Schematic Diagram – Power Supply Section – ............... 33
5-19. Printed Wiring Board – Power Supply Section (1/2) – ... 34
5-20. Printed Wiring Boards – Power Supply Section (2/2) – .. 35

6-1.

Plate Section .................................................................... 50

6-2.

Power Board Section ....................................................... 51

6-3.

Front Panel Section ......................................................... 52

6-4.

Chassis Section ................................................................ 53

................................ 54

4

ERROR  MESSAGES
If there is a malfunction, the display shows a code of two numbers. You can check the condition of the system by message. Refer to the
following table to solve the problem. If any problem persists, consult your nearest Sony dealer.

Messages

Check code

Cause and Response

PROTECTOR

11

Irregular current is output from the speakers. Turn off the ampli-
fier, check the central core of a speaker cord is not touching the
amplifier or other speakers, and turn on again.

PROTECTOR

12

The amplifier section is overheated. Check that the ventilation hole
is not covered. Turn off the amplifier, leave the amplifier for a
while, and turn on the power again.

PROTECTOR

14

Turn off the amplifier, check the central core of a speaker cord is
not touching the amplifier or other speakers.

PROTECTOR

21

Turn off the amplifier and check that the speaker cords are
connected correctly, then turn the power on again.

POWER board

insulate plate

To check the backside, 
remove the AC inlet from the back panel.