Sony TA-FE370,TA-FE570 Service Manual

SERVICE MANUAL

INTEGRATED STEREO AMPLIFIER

AEP Model

UK Model

SPECIFICATIONS

TA-FE370/FE570

Photo: TA-FE570 (BLACK)

Ver 1.0 2001.04

9-873-838-11 Sony Corporation

2001D0500-1 Home Audio Company
C 2001.4 Shinagawa Tec Service Manual Production Group

Amplifier section

DIN power output

TA-FE570: 110 W + 110 W

(4 ohms at 1 kHz)

TA-FE370: 70 W + 70 W

(4 ohms at 1 kHz)

Frequency response

PHONO (20 Hz - 20 kHz): RIAA equalization curve

±1.0 dB

TUNER, CD, AUX, TAPE1/DAT, TAPE2/MD:

7 Hz - 70 kHz

+–03

dB

S/N (network A)

PHONO: 80 dB
TUNER, CD, AUX, TAPE1/DAT, TAPE2/MD:

105 dB

Output voltage/impedance

RECOUT: 200 mV, 1 kilohm
PHONES: 5 mW (at 8 ohms)

Speakers impedance 4 - 16 ohms

Damping factor 80 (8 ohms, 1 kHz)

General

System

Power amplifier with all stages directly coupled
Preamplifier: Low-noise, equalizer

amplifier

Power requirements 230 V AC, 50/60 Hz

Power consumption

TA-FE570: 190 W
TA-FE370: 160 W

0.6 W
(In standby mode)

Dimensions (approx.) (w/h/d)

430 x 135 x 310 mm
incl. projecting parts and
controls

Mass (approx.)

TA-FE570: 6.5 kg
TA-FE370: 5.5 kg

Supplied accessories

Remote commander (remote) RM-S325 (1)
Sony batteries R6 (size-AA) (2)

Design and specifications are subject to change
without notice.

2

TA-FE370/FE570

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMA TIC 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.

TABLE OF CONTENTS

1. SERVICING NOTES ............................................... 2

2. GENERAL

Location of Controls ....................................................... 3

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 4

3-2. Case ................................................................................. 4

3-3. Front Panel Assy ............................................................. 5

3-4. MAIN Board ................................................................... 5

4. DIAGRAMS

4-1. Note for Printed Wiring Boards

and Schematic Diagrams ................................................ 7

4-2. Printed Wiring Board – MAIN Board – ........................ 8

4-3. Schematic Diagram – MAIN Board – ............................ 9

4-4. Printed Wiring Boards – CONTROL/SPEAKER SW/

VOLUME/Boards – ........................................................ 10

4-5. Schematic Diagram – CONTROL/SPEAKER SW/

VOLUME Boards – ........................................................ 11

4-6. Printed Wiring Boards

– AC OUTLET/HEADPHONE/LOUDNESS/

POWER SW/STANDBY Boards –................................. 12

4-7. Schematic Diagram

– AC OUTLET/HEADPHONE/LOUDNESS/

POWER SW/STANDBY Boards –................................. 13

4-8. IC Pin Function Description ........................................... 14

5. EXPLODED VIEWS

5-1. Case Section .................................................................... 15

5-2. Front Panel Section ......................................................... 16

5-3. Chassis Section ............................................................... 17

6. ELECTRICAL PARTS LIST ............................... 18

SECTION 1

SER VICING NOTES

IN

RECOUT

IN

PHONOINTUNER

IN IN

RECOUT

IN

CD AUX TAPE2/MD TAPE1/DAT

EON CONTROL

AC OUTLET

SPEAKERS

L

R

IMPEDANCE USE 4 - 16 Ω

SWITCHED 100W MAX

+–+

–

RL

S

I

G

N

A

L

G

N

D

U

IN

PART No.

Model PART No.

T A-FE570: AEP model 4-233-359-0

[]

TA-FE570: UK model 4-233-359-1

[]

T A-FE370: AEP model 4-233-359-2

[]

TA-FE370: UK model 4-233-359-3

[]

MAIN BOARD SETTING

On AEP model of this set, A C outlet is mounted onto the A C OUT ­LET board holding the back panel between. Since removing the
MAIN board alone is difficult, in repairing the MAIN board, handle
the MAIN board with the back panel connected as shown in the
figure below.

back panel

MAIN board

MODEL IDENTIFICATION
– Back Panel –

3

TA-FE370/FE570

SECTION 2

GENERAL

This section is extracted from
instruction manual.

2541

3

qa

0

9 8 7 6qf qd qs

BALANCE 8 (8)
BASS 0 (8)
EON LINK (TA-FE570 only) qd (8)
INPUT SELECTOR 4 (8, 9)
LOUDNESS 6 (8)
PHONES jack qf (8)
SOURCE DIRECT 7 (8)
SPEAKERS selector qa (8)
STANDBY indicator 1
TAPE1 MONITOR (TA-FE570 only) qs (9)
TREBLE 9 (8)
VOLUME control 5 (8)
?/1 (power) 2 (8, 9)

(remote control sensor) 3 (5)

IN

RECOUT

IN

PHONOINTUNER

IN IN

RECOUT

IN

CD AUX TAPE2/MD TAPE1/DAT

EON CONTROL

AC OUTLET

SPEAKERS

L

R

IMPEDANCE USE 4 - 16 Ω

SWITCHED 100W MAX

+–+

–

RL

S

I

G

N

A

L

G

N

D

U

IN

1 3 5

2 6 8 974

1 PHONO jack
2 TUNER jack
3 CD jack
4 AUX jack
5 TAPE2/MD jack
6 TAPE1/DAT jack
7 SPEAKERS terminal
8 EON CONTROL connector (FE570)
9 AC OUTLET connector (AEP model)

LOCATION OF CONTROLS

• Front Panel • Back Panel

TA-FE370/FE570

4

• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SECTION 3

DISASSEMBLY

Note: Follow the disassembly procedure in the numerical order given.

3-2. CASE

3-2. CASE

(Page 4)

3-3. FRONT PANEL ASSY

(Page 5)

3-4. MAIN BOARD

(Page 5)

SET

1

two screws
(case 3 TP2)

1

two screws
(case 3 TP2

)

1

two screws
(case 3 TP2)

2

2

3

case

TA-FE370/FE570

5

3-3. FRONT PANEL ASSY

3-4. MAIN BOARD

5

two screws
(BVTP3

×

8)

6

four screws
(BVTP3 × 8)

3

screw
(BVTP3

×

8)

1

connector (CN811)

4

harness

1

connector (CN812)

2

wire (flat type) (15 core)
(CN815)

7

front panel assy

3

two screws
(BVTP3

×

8)

4

two screws
(BVTP3

×

8)

3

screw
(BVTP3

×

8)

3

three screws
(BVTP3

×

8)

5

MAIN board

2

connector (CN901)

1

connector (CN902)

TA-FE370/FE570

6

MEMO

TA-FE370/FE570

77

SECTION 4
DIAGRAMS

4-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

Note on Printed Wiring Board:

• X : parts extracted from the component side.

• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)

• Indication of transistor

B

These are omitted.

CE

Q

B

These are omitted.

CE

Q

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in Ω and 1/

4

W or less unless otherwise

specified.

•f: internal component.

• 2 : nonflammable resistor.

• C : panel designation.

• A : B+ Line.

• B : B– Line.

• Voltages and wavefor ms are dc with respect to ground

under no-signal conditions.
no mark : TUNER

• Voltages are taken with a V OM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc­tion tolerances.

• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc­tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F : TUNER
E : TAPE1/DAT IN
a : RECOUT
d : TAPE2/MD IN
J : CD
I : PHONO

Note: The components identified by mark 0 or dotted line

with mark 0 are critical for safety.
Replace only with part number specified.

• Waveform
– CONTROL Board –

1 IC801 1 (XOUT)

• Circuit Boards Location

POWER SW board

STANDBY board

AC OUTLET board

MAIN board

VOLUME board

LOUDNESS board

CONTROL board

SPEAKER SW board

HEADPHONE board

3 Vp-p

250 ns

TA-FE370/FE570

88

4-2. PRINTED WIRING BOARD – MAIN Board – • See page 7 for Circuit Boards Location.

• Semiconductor
Location

Ref. No. Location

D101 C-5
D301 E-7
D302 E-7
D351 E-7
D352 E-7
D601 D-7
D901 E-9
D902 C-6
D903 C-7
D904 C-8
D905 B-9
D906 C-8
D907 B-9
D909 C-9

IC101 D-3
IC102 C-1
IC301 G-5
IC601 E-5
IC901 B-8

Q101 D-5
Q102 E-2
Q103 C-5
Q104 E-2
Q151 D-5
Q301 E-7
Q351 E-7
Q901 C-6
Q902 C-7
Q903 E-1

18

EE

E

1

30

15

16

(FE570)

8

CONTROL

BOARD
CN814

CONTROL

BOARD
CN808

CONTROL

BOARD
CN801

1

15

MAIN BOARD

A CB

18

E

E

EE

EE

E

R L R L R L R L

RECOUT

J101

TAPE2/MD

IN

R L R L R L R L LR

–+–

+

1

3

1

1

5

STANDBY

BOARD
CN902

1

1

4

5

3

EON CONTROL

IN

SPEAKERS

IMPEDANCE USE4 – 16Ω

(FE570)

1-681-417-

11

(11)

–2

–2

–1

–1

(FE370)

(FE370)

(FE570)

PHONO

IN

TUNER

IN

CD
IN

AUX

IN

RECOUT

TAPE1/DAT

IN

J102 J103

TM301

D

T1

POWER

TRANSFORMER

(MAIN)

E

A

B

C

D

E

F

G

1 2 3 4 5 6 7 8 9

(Page 12)

(Page 12)

(Page 10)

(Page 10)

(Page 10)