SONY STRDE335 - Service Manual Immediate Download

MICROFILM

SERVICE MANUAL

FM STEREO/FM-AM RECEIVER

US Model

STR-DE335/SE391

Canadian Model

AEP Model

E Model

Australian Model

STR-DE335

Chinese Model

STR-V323

STR-DE335/SE391/V323

SPECIFICATIONS

Photo: STR-DE335 US model

Audio power specifications (US model)

POWER OUTPUT AND TOTAL HAR-

MONIC DISTORTION

With 8-ohm load, both channels driven,

from 20a) 20,000 Hz, rated 100 watts

per channel minimum RMS power, with

no more than 0.09 %b) total harmonic

distortion from 250 milliwatts to rated

output.

STR-SE391:

a) 40Hz

b) 0.5 %

Amplifier section

Power output

Stereo mode

STR-DE335/V323

US, Canadian models:

(8 ohms at 20 Hz 20 kHz

less than 0.09 % total

harmonic distortion)

100 W + 100 W

AEP model:

(DIN 1 kHz, 4 ohms)

80 W + 80 W

Malaysia, Singapore,

Chinese, Australian

models:

Rated power:

(8 ohms at 1 kHz,

THD 0.7 %)

80 W + 80 W

Reference power:

(8 ohms at 20 Hz 20 kHz,

less than 0.09 % total

harmonic distortion)

70 W + 70 W

E model:

Rated power: (8 ohms at

1kHz, THD 0.7 %)

100 W + 100 W

Reference power:

(8 ohms at 20 Hz 20 kHz,

less than 0.09 % total

harmonic distortion)

95 W + 95 W

STR-SE391

(8 ohms at 40 Hz 20 kHz,

less than 0.5 % total

harmonic distortion)

100 W + 100 W

Surround mode

STR-DE335/V323

and 5.1 CH/DVD

US, Canadian models:

mode

(8 ohms at 1 kHz, THD

(Reference)

0.8%)

Front: 80 W/ch

Center: (Pro Logic mode)

80 W

Rear: 80 W/ch

AEP model:

(DIN 1 kHz, 4 ohms)

Front: 70 W/ch

Center: 70 W

(only in PRO LOGIC

mode)

Rear: 70 W/ch

E, Malaysia, Singapore,

Chinese, Australian

models:

Rated power: (8 ohms at

1 kHz, THD 0.7 %)

Front: 80 W/ch

Center: (Pro Logic mode)

80 W

Rear: 80 W/ch

Continued on next page

STR-SE391

(8 ohms at 1 kHz,

THD 0.5 %)

Front: 80 W/ch

Center: (Pro Logic mode)

80 W

Rear: 80 W/ch

Reference power:

(8 ohms 20 Hz 20 kHz,

less than 0.09 % total

harmonic distortion)

Front: 70 W/ch

Center: (Pro Logic mode)

70 W

Rear: 70 W/ch

RMS power:

(8 ohms at 1 kHz,

THD 10 %)

Front: 100 W/ch

Center: (Pro Logic mode)

100 W

Rear: 100 W/ch

Frequency

PHONO: RIAA

response

equalization curve ±0.5 dB

(STR-SE391)

TV/SAT (TV/LD), CD,

MD/TAPE, VIDEO

5.1 CH/DVD:

10 Hz 50 kHz ± 1 dB

Inputs

Sensitivity

Impedance

S/N

PHONO

(STR-

4 mV

70 dB

SE391)

kilohms

CD,

5.1 CH/

150 mV

DVD,

(AEP model)

MD/TAPE,

250 mV

kilohms

80 dB

TV/SAT,

(EXCEPT

(TV/LD)

AEP models)

VIDEO

Outputs

MD/TAPE REC OUT:

Voltage: 150 mV, (US, AEP

models)

Voltage: 250 mV,

(Canadian, E, Malaysia,

Singapore, Australian and

Chinese models)

Impedance: 10 kilohms

VIDEO AUDIO OUT:

Voltage: 150 mV, (US,

AEP models)

Voltage: 250 mV,

(Canadian, E, Malaysia

Singapore, Australian and

Chinese models)

Impedance: 10 kilohms

WOOFER:

Voltage: 2V

Impedance: 1 kilohms

PHONES: Accepts low and

high impedance

headphones

Muting

Full mute

BASS BOOST

+ 10 dB at 70 Hz

TONE

± 8 dB at 100 Hz and

10 kHz

Tuner Section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range

87.5 108.0 MHz

Antenna terminals 75 ohms, unbalanced

Intermediate

10.7 MHz

frequency

Sensitivity

Mono: 18.3 dBf, 2.2

µV/75

ohms

Stereo: 38.3 dBf, 22.5

µV/75

ohms

(AEP model)

Mono: 18.3 dBf, 4.5

µV

Stereo: 38.3 dBf, 45

µV

(EXCEPT AEP models)

Usable sensitivity 11.2 dBf, 2

µV (IHF) (US

model)

11.2 dBf, 1

µV/75 ohms

(IHF)

(AEP model)

11.2 dBf, 1

µV (IHF)

(EXCEPT US, AEP

models)

S/N

Mono: 76 dB

Stereo: 70 dB

Harmonic

Mono: 0.3 %

distortion at

Stereo: 0.5 %

1 kHz

Separation

45 dB at 1kHz

Frequency

30 Hz 15 kHz

response

Selectivity

60 dB at 400 kHz

AM tuner section

Tuning range

AEP, Malaysia, Singapore,

Australian and Chinese

model:

531 1602 kHz (9 kHz step)

US model:

530 1710 kHz (10kHz

step)**

531 1710 kHz (9 kHz step)

Canadian, E models:

530 1610 kHz (10kHz

step)**

531 1602 kHz (9 kHz step)

Antenna

Loop antenna

Intermediate

450 kHz

frequency

Usable sensitivity 50 dB/m (at 1,000kHz or

999 kHz) (US model)

50 dB/m (at 999 kHz)

(EXCEPT US models)

S/N

54 dB (at 50 mV/m)

Harmonic

0.5 % (50 mV/m, 400Hz)

distortion

Selectivity

At 9 kHz: 35 dB

At 10 kHz: 40 dB

** You can change the AM tuning interval be-

tween 9 kHz and 10 kHz. Turn off the re-

ceiver and press

1/u (power) for more than

4 seconds until "INITIAL" appears.

1) After tuning in any AM station, turn off

the receiver.

2) Hold down PRESET TUNING + button

and press the

1/u (power) button. "9k

STEP" appears.

To change to 10k Step, repeat step 1 and 2 until

"10k STEP" appears. Note that all preset

stations, index names and sound field are

cleared after you make the procedure above.

Video section (STR-DE335/V323)

Inputs

VIDEO, TV/SAT (TV/LD),

5.1 CH/DVD:

1 Vp-p 75 ohms

Output

VIDEO, MONITOR:

1 Vp-p 75 ohms

General

System

Tuner section:

PLL quartz-locked digital

synthesizer system

Preamplifier section:

Low-noise NF type

equalizer

Power amplifier section:

Pure-complementary

SEPP

Power

US, Canadian models:

requirements

120 V AC, 60 Hz

Australian model:

240 V AC, 50 Hz

AEP, Malaysia, Singapore

and Chinese models:

230 V AC, 50/60 Hz

E model

120/220/240 V AC, 50/60 Hz

Power

US model: 230 W

consumption

Canadian model:

325 VA

AEP model: 225 W

Malaysia, Singapore and

Australian and Chinese

models:

235 W

E model

245 W

+0.5

AC outlets

STR-DE335

US, Canadian models:

1 switched, 120 W/1A max

STR-DE335

AEP, E, Malaysia,

Singapore, Australian

models:

STR-V323

1 switched, 100 W max

STR-SE391

2 switched, total 120 W/1A

max

Dimensions

430

× 144 × 306 mm

Mass (Approx.)

STR-DE335: US model

8.7 kg

STR-DE335: AEP model

7.7 kg

EXCEPT DE335: US, AEP

models

8.8 kg

Supplied

FM wire antenna (1)

accessories

AM loop antenna (1)

Remote commander

(remote) (1)

Size AA (R6) batteries (2)

The specification measured is under

· 230 AC, 50Hz condition (AEP, Malaysia,

Singapore and Chinese models)

· 240 AC, 50Hz condition (Australian model)

Design and specifications are subject to change

without notice.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK

! OR DOTTED

LINE WITH MARK

! 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 PUB-

LISHED BY SONY.

TABLE OF CONTENTS

SERVICING NOTES ............................................... 4

GENERAL ................................................................... 5

DISASSEMBLY ......................................................... 7

TEST MODE ............................................................... 9

DIAGRAMS

5-1. Block Diagram MAIN Section (1/2) ....................... 11

5-2. Block Diagram MAIN Section (2/2) ....................... 13

5-3. Block Diagram DISPLAY/

POWER SUPPLY Section ........................................... 15

5-4. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 17

5-5. Printed Wiring Board MAIN Board ........................ 21

5-6. Printed Wiring Boards REAR AMP Board/

SP SW Board/SECONDARY Board/

STANDBY Board/PRIMARY Board/

VOL SEL Board ........................................................... 23

5-7. Schematic Diagram MAIN Board (1/4)/

REAR AMP Board ....................................................... 25

5-8. Schematic Diagram MAIN Board (2/4)/

SP SW Board ............................................................... 27

5-9. Schematic Diagram MAIN Board (3/4) .................. 29

5-10. Schematic Diagram MAIN Board (4/4)/

SECONDARY Board /STANDBY board/

PRIMARY Baord/VOL SEL Board ............................. 31

5-11. Printed Wiring Board PANEL Section .................... 33

5-12. Schematic Diagram PANEL Section ....................... 35

5-13. Printed Wiring Boards VOLUME Board/

TONE Board/VIDEO Board/PHONO Board .............. 37

5-14. Schematic Diagram VOLUME Board/

TONE Board/VIDEO Board/PHONO Board .............. 39

5-15. IC Pin Function Description ........................................... 44

EXPLODED VIEWS ................................................ 46

ELECTRICAL PARTS LIST ............................... 50

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE

SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE

DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ

DE FONCTIONNEMENT. NE REMPLACER CES COM-

POSANTS QUE PAR DES PIÈCES SONY DONT LES

NUMÉROS SONT DONNÉS DANS CE MANUEL OU

DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

SECTION 1

SERVICING NOTES

MODEL IDENTIFICATION

Rear view

1234

PART No.

MODEL

PART No.

DE 335: US model

4-218-844-0[]

DE 335: Canadian model

4-218-844-1[]

DE 335: Australian model

4-218-844-2[]

DE 335: Malaysia, Singapore models

4-218-844-3[]

V 323

4-218-844-4[]

DE 335: E model

4-218-844-5[]

DE 335: AEP model

4-218-844-6[]

SE 391

4-218-844-7[]

SAFETY CHECK-OUT

After correcting the original service problem, perform the follow-

ing safety check before releasing the set to the customer:

Check the antenna terminals, metal trim, "metallized" knobs,

screws, and all other exposed metal parts for AC leakage.

Check leakage as described below.

LEAKAGE TEST

The AC leakage from any exposed metal part to earth ground and

from all exposed metal parts to any exposed metal part having a

return to chassis, must not exceed 0.5 mA (500 microamperes).

Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA

WT-540A. Follow the manufacturers' instructions to use these

instruments.

2. A battery-operated AC milliammeter. The Data Precision 245

digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a

VOM or battery-operated AC voltmeter. The "limit" indica-

tion is 0.75 V, so analog meters must have an accurate low-

voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-

amples of a passive VOM that is suitable. Nearly all battery

operated digital multimeters that have a 2 V AC range are suit-

able. (See Fig. A)

Fig. A.

Using an AC voltmeter to check AC leakage.

1.5 k

0.15

µF

voltmeter

(0.75 V)

To Exposed Metal

Parts on Set

Earth Ground

SECTION 2

GENERAL

1 I/u button

2 TUNING +, buttons

3 DISPLAY button

4 PRESET/TUNING +, buttons

(EXCEPT AEP model)

PRESET/PTY SELECT +, buttons

(AEP model)

5 RDS PTY button

(AEP model)

6 AM button

(EXCEPT AEP models)

RDS EON button

(AEP model)

7 FM button

(EXCEPT AEP models)

FM/AM button

(AEP model)

8 VIDEO button

9 TV/SAT button

(US, Canadian, Australian models)

TV/LD button

(AEP, E, Malaysia, Singapore,

Chinese models)

Location of controls

Front view

0 MD/TAPE button

!¡ 5.1 CH/DVD button and indicator

!TM SOUND FIELD + MODE, ON/OFF,

MODE buttons

!£ SET UP button and indicator

!¢ CINEMA indicator

! VIRTUAL indicator

!§ MUSIC indicator

!¶ BASS BOOST button and indicator

!· SPEAKERS A, B ON/OFF buttons

!ª PHONES jack

@º SHIFT button

@¡ Numeric buttons

@TM DIRECT button

@£ MEMORY button

@¢ FM MODE button

@ CD button

@§ TUNER button

@¶ PHONO button (SE391)

@· EFFECT/DELAY button and indicator

@ª CENTER button and indicator

#º button

#¡ + button

#TM REAR button and indicator

#£ ENTER button

#¢ NAME button and indicator

# VOLUME control

#§ MUTING button and indicator

#¶ TREBLE control

#· BASS control

#ª BALANCE control

4 5

!¡

!TM

!£!¢

!§

!¶

!·

!ª

@º @¡ @TM @£

#¶

#·

#ª

@¢

@ @§@¶

@·@ª#º #¡#TM #¢

#§

#£