Read Sony STR-DE475 Service Manual online
US Model
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AEP Model
Australian Model
E Model
FM STEREO FM-AM RECEIVER
Audio Entertainment Group
9-929-587-11
© 2001.2
SPECIFICATIONS
Manufactured under license from Dolby Laboratories Licensing
Corporation.
“DOLBY” the double-D symbol
Corporation.
“DOLBY” the double-D symbol
“AC-3” and “Pro Logic” are
trademarks of Dolby Laboratories Licensing Corporation.
MD/TAPE (OUT):
VIDEO (AUDIO OUT):
Voltages: 250 mV,
Impedance:
10 kilohms
SUB WOOFER:
Voltage: 2 V
Impedance :
1 kilohms
PHONES:
Accepts low– and
high-impedance
headphones
VIDEO (AUDIO OUT):
Voltages: 250 mV,
Impedance:
10 kilohms
SUB WOOFER:
Voltage: 2 V
Impedance :
1 kilohms
PHONES:
Accepts low– and
high-impedance
headphones
±6 dB at 100 Hz
and 10 kHz
and 10 kHz
48 kHz (OPTICAL IN)
96 kHz (COAXIAL IN)
96 kHz (COAXIAL IN)
Tuning range
Antenna terminals
Intermediate
10.7 MHz
Mono: 18.3 dBf,
µV/75 ohms
22.5
Usable sensitivity
µV/75 ohms
Mono: 76 dB
Stereo: 70 dB
Stereo: 70 dB
Mono: 0.3%
Stereo: 0.5%
Stereo: 0.5%
45 dB at 1 kHz
30 Hz - 15 kHz
+0.5/-2 dB
+0.5/-2 dB
60 dB at 400 kHz
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both
channels driven, from 40 -
20,000 Hz; rated 80 watts
per channel minimum RMS
power, with no more than
0.09% total harmonic
distortion from 250
milliwatts to rated output
(USA model only).
TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both
channels driven, from 40 -
20,000 Hz; rated 80 watts
per channel minimum RMS
power, with no more than
0.09% total harmonic
distortion from 250
milliwatts to rated output
(USA model only).
POWER OUTPUT
(8 ohms 40 Hz - 20 kHz, THD 0.09%)
US, Canadian, AEP, UK :
Reference Power Output
Reference Power Output
Front
: 80 W/ch
1)
Surround
: 80 W/ch
EXCEPT :
(8 ohms 1kHz, THD 0.7%)
2)
2)
Front
:
Center
: 90 W
1)
90 W/ch
the sources, there may be no sound output.
Area code
E, Australian 240 V AC, 50 Hz
Chinese
Chinese
Taiwan
Frequency response
MULTI CH IN, CD,
MD/TAPE, DVD/LD,
TV/SAT, VIDEO:
20 Hz – 20 kHz
0/– 0.5 dB (sound field,
and tone bypassed)
MD/TAPE, DVD/LD,
TV/SAT, VIDEO:
20 Hz – 20 kHz
0/– 0.5 dB (sound field,
and tone bypassed)
MULTI CH IN, CD,
MD/TAPE, DVD/LD,
TV/SAT, VIDEO:
Sensitivity: 250 mV
Impedance:
50 kilohms
S/N
MD/TAPE, DVD/LD,
TV/SAT, VIDEO:
Sensitivity: 250 mV
Impedance:
50 kilohms
S/N
: 85 dB
4)
3) INPUT SHORT
4) Weighted network, input level
4) Weighted network, input level
DVD/LD (coaxial):
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
TV/SAT (Optical):
Sensitivity: –
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
TV/SAT (Optical):
Sensitivity: –
STR-DE475
— BACK PANEL —
MODEL
US
Canadian
Australian
Chinese
E, Taiwan
AEP
UK
Mexican
Argentina
AM tuner section
US, Canadian :
scale:
530 - 1710 kHz
530 - 1710 kHz
With 9-kHz tuning
5)
With 9 kHz tuning
E, Taiwan :
scale:
530-1610 kHz
530-1610 kHz
With 9-kHz tuning
5)
Loop antenna
450 kHz
Usable sensitivity
or 999 kHz)
54 dB (at 50mV/m)
0.5% (50mV/m, 400
Selectivity:
5) You can change the AM tuning scale to 9
10 kHz. After tuning in any AM
station, turn off the receiver. Hold down the
TUNING + button and press the
button. All preset stations will be erased
when you change the tuning scale. To reset
the scale to 10 kHz (or 9 kHz), repeat the
procedure.
TUNING + button and press the
button. All preset stations will be erased
when you change the tuning scale. To reset
the scale to 10 kHz (or 9 kHz), repeat the
procedure.
Inputs
Outputs
Sony Str De325 Receiver Manual
General
Tuner section:
Preamplifier section:
Power amplifier
Power requirements
120 V AC, 60 Hz
CN
220 -230 V AC,
50/60 Hz
220 -230 V AC,
50/60 Hz
240 V AC, 50 Hz
50/60 Hz
AEP, UK :
230 V AC, 50/60 Hz
Power consumption
185 W
In Standby
Condition:
1 W
In Standby
Condition:
1 W
280 VA
In Standby
Condition:
1 W
In Standby
Condition:
1 W
175 W
In Standby
Condition:
1 W
In Standby
Condition:
1 W
165 W
In Standby
Condition: 1 W
In Standby
Condition: 1 W
430
(17
7
8
19
/
in.)
Mass (Approx.)
Supplied accessories
Design and specifications are subject
to change without notice.
to change without notice.
• FM wire antenna (1)
• AM loop antenna (1)
• R6 (size-AA) batteries (2)
• Remote Commander (remote) (1)
• AM loop antenna (1)
• R6 (size-AA) batteries (2)
• Remote Commander (remote) (1)
×
STR-DE475
COMPONENTS IDENTIFIED BY MARK
OR DOTTED LINE WITH
0
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.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
After correcting the original service problem, perform the
following safety checks 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.
following safety checks 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.
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.
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.
A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
digital multimeter is suitable for this job.
Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2V AC range are suitable. (See
Fig. A)
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2V AC range are suitable. (See
Fig. A)
To Exposed Metal
0.15
1.5 k
AC
Voltmeter
(0.75 V)
Voltmeter
(0.75 V)
Fig. A. Using an AC voltmeter to check AC leakage.
À LA SÉCURITÉ!
0
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
1. GENERAL
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3-1.
Circuit Boards Location ··············································· 8
Block Diagram Main Section ····································· 9
Block Diagram Display Section ······························· 10
Schematic Diagram Main Section (1/3) ··················· 11
Schematic Diagram Main Section (2/3) ··················· 12
Schematic Diagram Main Section (3/3) ··················· 13
Printed Wiring Board Main Section ························· 14
Schematic Diagram Digital Section ························ 15
Printed Wiring Board Digital Section ······················ 16
3-10. Schematic Diagram Display Section ······················· 17
3-11. Printed Wiring Board Display Section ····················· 18
3-12. Schematic Diagram Video Section ·························· 19
3-13. Printed Wiring Board Power Section ······················· 20
3-14. Printed Wiring Board Video Section ························ 20
3-15. IC Block Diagrams ····················································· 21
3-16. IC Pin Function Description ······································ 23
3-11. Printed Wiring Board Display Section ····················· 18
3-12. Schematic Diagram Video Section ·························· 19
3-13. Printed Wiring Board Power Section ······················· 20
3-14. Printed Wiring Board Video Section ························ 20
3-15. IC Block Diagrams ····················································· 21
3-16. IC Pin Function Description ······································ 23
······················································ 25
Sony Str De475 Remote
······································· 27
STR-DE475
Sony Str-de475
GENERAL