Sony ta av 501 service manual

Page 2

TAAV501/AV501 R/AV601

General

System

Power amplllter All~slage direclscoupled pure complementary
SEPP OCL circuit

Surround amplifier Semi complemenlary SE PP circuit

Preamplilrer NF type tone control

Surround circuit Digital Delay surround Circuit
Operation CIICUII malllx type
Power minimum
us, camdian model: 120 v Ac. on H:
UK. modal: 2A0 V AC. 50/30 Hz
AEP. Watt Gormany model: 220 v AC,
50/60 H:
s modal: 120 v. 220 v or 240 v AC adlustablo,
50/60 Hz

Power consumption
US model : 250 w (TA~AV601)
: 200 w (ml/sot)
Canadian mode: 435w (TAAVSOI)
U,K. modal: 435 w (TA-AVSOIR)
AEP. Wm Gnrmlny modal: 210 w
(TA-Avsom)
E model: 290 w (TA-AVSOI)

Woiahl TArAVSDl (us, Canadian rltodeIsHTArAVSOIR
no.9 kn (24 lb 1 oz)
TA-Avsol (E modals)/AV601
:tu kit (24 to 6 oz)

Dimension AEP modal: 430x 150x350 (W/H/D) mm
(17x 5 715x14 t/e inches)
oiner mad-ls: 430x l5o><355 (WIN/D) mm
(17x 5 7/3 :13 7/5 inches)

Accessortes suDulM
TA-Avsot (Us mod-Isl:
RM-uzoz or fill-204
Other models: RM-Paoz
Sally SUM-3 (NS) batteries (2)

Ampllller Features

. This amplifier incorporates the power amplilier lol the trout
speakers!ioW+i10W (TA-AVSOI) and me! If)! the surround speakers I5W +15W
(TA-Avsot lTA-AVSOI ) independently. These ampltlrers
make possible a powerlul surrounding sound irom 4
speakers

. The versatile input system controls 4 AN inpul systems
and A audio input systems.

. The DBFE (Dynamic Bass Feed Back) Circutlry reiniorces
the bass sound at low listening level. The lower [he sound
level. the more the bass is emphasized.

Surround Features

. Tnls unit has Digital Delay Surround system.
This unit incorporales allot three types or surround eliocl,

. new ' v expands sound lusl like listening to ll In a
movie theater.

- Hall Surround~provides reverberation ellecl that is
produced in a large concert nall.

. Simulated Surroundgtves the Ieeling or main and
thickness (0 monaural sound OI old movies. etc.

operating voltage

Belore operating the Unll. check that the operating voltage at
your unit is identical with [he voltage ot your local power

supply.

Where purchased Operating volt-9e

Canadian Model l2o v AC

UK Model 240 V AC

AEP, West Germany Model 220 v AC

E Model 120V,220Vor240VAC
adjustable

The voltage selector is Iocaled
on the rear panel.

it the selector must be reset.
disconnect the AC power cord
and set the selector to the
proper voltage or your local

power supply.

TABLE OF CONTENTS

Section Title Page

Specification- 1
Model Identification...........H............H. ..... 2

Safety Check-Out ~

ZELECTRICAL CHECK~~~~~~~~~~ -----

3. ELECTRICAL ADJUSTMENTS~~~~~~~~~~~~~~~~-~ 9

4. DIAGRAMS

4-1. Circuit Boards Location 10
4-2. Semiconductor Lead Layouts 10
4-3.10804 Pin Function 11
4-4. Printed Wiring Board -Input section- 18

4-5. Schematic Diagram -Input section- ....... , 17
4-6. Printed Wiring Board wJoint Section- . . ----- ~ . - - 21
4-7. Schematic Diagram -Joint Section- ~ . . . . . . . . . . 25
4-8. schematic Diagram -Micon Sectionv ~ ~ - - ~ ~ ~ ~ - . - . . 28

.IC Block Diagramuu .31
5. EXPLODED VIEWS ~ . 32
5-1. Front Panel Section 32
5-2. Chassis Section~~~~~~~~~~~~ ----- ......33
6. ELECTRICAL PARTS LESTHHH -------- ............34

MODEL IDENTIFICATION
- Specification Label - AV501

AV501 R
AVGOl

SONYe MODEL mum

STEREO AMPLIFIER

WW

U. CA ModeleC 120V 60Hz
AEP, WG Model : AC 220V 50/ 60Hz
UK ModeltAC 240V 50/60Hz
E Model : AC 120/220] 240V 50/60Hz