Sony TA-AV501 Service Manual

TA-AV501/AV501R/AV601
General
System
Power amplifier All-stage direct-coupied pure complementary
SEPP OCL circuit
Surround amplifier Semi complementary SEPP circuit
Preamplifier NF type tone control
Surround circuit Digital Delay surround circuit
Operation circuit matrix type
Power requirements
US, Canadian model: 120 V AC, 60 Hz
U.K. model: 240 V AC, 50/60 Hz
AEP, West Germany model: 220 V AC,
50/60 Hz
E modal: 120 V, 220 V or 240 V AC adjustable,
50/60 Hz
Power consumption
US model : 250 W (TA- AV601)
: 200 W (TA- AV501)
Canadian mode: 435VA (TA - AVSO1)
U.K. model: 435 W (TA- AV501A)
AEP, West Germany model: 210 W
(TA- AV501R)
E model: 290 W (TA- AV501)
Weight TA-AV501 (US, Canadian models) /TA- AV501R
: 10.9 kg (24 Ib 1 oz)
TA-AV501 (E models) /AV601
211.1 kg (24 Ib 8 oz)
Dimension AEP model: 430 x 150 x 360 (W/H/OD) mm
(17 x5 7/8x* 14 1/8 inches)
Other models: 430 x 150 x 355 (W/H/D) mm
(17 x5 7/8 13 7/4 inches)
Accessories supplied
TA- AV5O1 (US models) :
RM-U202 or AM- 204
Other models : RM-P302
Sony SUM-3 (NS) batteries (2)
Amplifier Features ‘
+ This amplitier incorporates the power amplifier for the front
speakers 110W + 110W (TA-AV501), 150W-+ 150W
{TA-AV601) and thal for the surround speakers 15W + 15W
{TA-AV501/TA-AV601) independently. These amplifiers
make possible a powerful surrounding sound from 4
speakers.
+ The versatile input system controls 4 A/V input systems
and 4 audio input systems.
« The DBFB (Dynamic Bass Feed Back) circuitry reinforces
the bass sound at low listening level. The lower the sound
level, the more the bass is emphasized.
Surround Features
+ This unit has Digital Delay Surround system.
This unit incorporates all of three types of surround effect.
+ OO0Essrseees) * — expands sound just like listening to it ina
movie theater.
» Hall Surround-provides reverberation effect that is
produced in a large concert hall.
« Simulated Surround-gives the feeling of width and
thickness to monaural sound of old movies, etc.
operating voltage
Before operating the unit, check that the operating voltage of
your unit is identical with the voltage of your local power
supply.
[ Where purchased Operating voltage
Canadian Model 120 VAC
UK Model 240 V AC
AEP, West Germany Model | 220 V AC
je Model 120 V, 220 V or 240 V AC
adjustable
The vollage selector is located
on the rear panel.
If the selector must be reset,
disconnect the AC power cord
and set the selector to the
proper voltage of your local
power supply
TABLE OF CONTENTS
Section Title Page
Specification «+++ ee eects cece eet t cece e eect e cence eens 1
Model Identification: ::<+cset eee e te terse eee nent eect eeeeees 2
Safety Check=Ouit:+4 i ssevs Uhesmadie cate tavees bead veces 3
1. GENERAL ----- eh farad gtelg etary gus’ ors @IUNe Susyachca. ad cores «cael Oe Neos 3
2. ELECTRICAL CHECK -------- sige hear ea tictenere ade otacala silts trate 5
3. ELECTRICAL ADJUSTMENTS <------ e+e esc reecee eee eees 9
4. DIAGRAMS
4-1. Circuit Boards Location «+++ctctcececeeeeeeeeeeeees 10
4-2. Semiconductor Lead Layouts :++++++et reese eee eee 10
4-3, IC804 Pin Function: :+++cseee steer ete cece eeeeenenes 11
4-4, Printed Wiring Board —Input section— -++++++++:- 13
4-5. Schematic Diagram —Input section— -++++++++++++: 17
4-6. Printed Wiring Board —Joint Section— ---++-+++++ 21
4-7. Schematic Diagram —Joint Section— --+--+-+++: se 25
4-8. Schematic Diagram —Micon Section— -++-+++++-++- 28
«IC Block Diagram i ee i ras 31
5. EXPLODED VIEWS «+--+ ee cee cere cece etree e tence eee enes BD
5-1. Front Panel Section «-+++-:+-+++++e: cance ee eee eeenee 32
5-2. Chassis Section «+++: ecec reece te eeeeeees ia ateiel ales +7099
6. ELECTRICAL PARTS LEST ----+-e- eect eee teeter eee 34
MODEL IDENTIFICATION
— Specification Label — AV501
AVS0O1R
AV601
SONY. moo no. why
STEREO AMPLIFIER
Wl
U, CA Model: AC 120V 60Hz
AEP, WG Model: AC 220V 50/60Hz
UK Model: AC 240V 50/60Hz
E Model: AC 120/220/240V 50/60Hz

Sony TA-AV501 Specifications

General

Brand	Sony
Model	TA-AV501
Category	Amplifier
Language	English