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SERVICE MANUAL

Ver 1.0 2001. 02
Manufactured under license from Dolby Laboratories Licensing
Corporation.
"DOLBY" the double-D symbol ; "AC-3" and "Pro Logic" are
trademarks of Dolby Laboratories Licensing Corporation.
AUDIO POWER
SPECIFICATIONS
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).
Amplifier section
POWER OUTPUT
US, Canadian :
Rated Power Output at Stereo mode
(8 ohms 40 Hz - 20 kHz, THD 0.09%)
80 W + 80 W
US, Canadian, AEP, UK :
Reference Power Output
(8 ohms 1 kHz, THD 0.7%)
1)
Front
: 80 W/ch
1)
Center
: 80 W
1)
Surround
: 80 W/ch
EXCEPT :
Rated Power Output at Stereo mode
(8 ohms 1kHz, THD 0.7%)
2)
80 W + 80 W
EXCEPT :
2)
Reference Power Output
(8 ohms 1 kHz, THD 10%)
1)
Front
:
90 W/ch
Sony Corporation
9-929-587-11
2001B1600-1
Audio Entertainment Group
© 2001.2
General Engineering Dept.
STR-DE475
SPECIFICATIONS
1)
Center
: 90 W
1)
Surround
:
90 W/ch
1) Depending on the sound field settings and
the sources, there may be no sound output.
2) Measured under the following conditions:
Area code
Power requirement
E, Australian 240 V AC, 50 Hz
Chinese
230 V AC, 50 Hz
Taiwan
110 V AC, 50 Hz
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)
Inputs (Analog)
MULTI CH IN, CD,
MD/TAPE, DVD/LD,
TV/SAT, VIDEO:
Sensitivity: 250 mV
Impedance:
50 kilohms
3)
S/N
: 85 dB
4)
(A, 250 mV
)
3) INPUT SHORT
4) Weighted network, input level
Inputs (Digital)
DVD/LD (coaxial):
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
TV/SAT (Optical):
Sensitivity: –
Impedance: –
S/N: 100 dB
(A, 20 kHz LPF)
Outputs
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
±6 dB at 100 Hz
TONE
and 10 kHz
Sampling frequency
48 kHz (OPTICAL IN)
96 kHz (COAXIAL IN)
FM tuner section
87.5 - 108.0 MHz
Tuning range
Antenna terminals
75 ohms, unbalanced
FM STEREO FM-AM RECEIVER
US Model
Canadian Model
AEP Model
UK Model
Australian Model
Chinese Model
E Model
Intermediate
10.7 MHz
frequency
Mono: 18.3 dBf,
Sensitivity
2.2 µV/75 ohms
Stereo: 38.3 dBf,
22.5 µV/75 ohms
Usable sensitivity
11.2 dBf, 1 µV/75 ohms
Mono: 76 dB
S/N
Stereo: 70 dB
Harmonic distortion at 1 kHz
Mono: 0.3%
Stereo: 0.5%
Separation
45 dB at 1 kHz
Frequency response
30 Hz - 15 kHz
+0.5/-2 dB
Selectivity
60 dB at 400 kHz
— Continued on next page —

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Table of Contents

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   Summary of Contents for Sony STR-DE475 - Fm Stereo/fm-am Receiver

  • Page 1: Service Manual

    EXCEPT : FM STEREO FM-AM RECEIVER S/N: 100 dB Reference Power Output (A, 20 kHz LPF) (8 ohms 1 kHz, THD 10%) TV/SAT (Optical): Front Sensitivity: – 90 W/ch Sony Corporation 9-929-587-11 2001B1600-1 Audio Entertainment Group © 2001.2 General Engineering Dept.
  • Page 2 STR-DE475 Power consumption Video section AM tuner section US : Inputs Video: 1 Vp-p 75 ohms Tuning range 185 W US, Canadian : In Standby Outputs Video: 1 Vp-p 75 ohms With 10-kHz tuning Condition: scale: General 530 - 1710 kHz Canadian : With 9-kHz tuning System...
  • Page 3: Table Of Contents

    CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.
  • Page 4: General

    STR-DE475 SECTION 1 This section is extracted from instruction manual. GENERAL...
  • Page 5 STR-DE475...
  • Page 6: Test Mode

    STR-DE475 SECTION 2 TEST MODE SOFTWARE VERSION DISPLAY MODE FACTORY SET MODE * The software version is displayed. * All preset contents are reset to the default setting. * Procedure: * Procedure: While depressing the TUNER and the VIDEO buttons While depressing the VIDEO and the CD buttons simultaneously, simultaneously, press the power ?/1 button to turn on the main press the power ?/1 button to turn on the main power.
  • Page 7: Diagrams

    STR-DE475 SECTION 3 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each block.) For schematic diagrams. For printed wiring boards. Note: Note: • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 8: Circuit Boards Location

    STR-DE475 3-1. CIRCUIT BOARDS LOCATION AC SELECT board STANDBY board VIDEO board DIGITAL board POWER SW board HP board MAIN board DISPLAY board...
  • Page 9: Block Diagram Main Section

    STR-DE475 3-2. BLOCK DIAGRAM – MAIN SECTION – ANALOG SOUND PROC. TUNER UNIT IC201 L OUT IN G2 L OUT R OUT R-CH MUTING ANTENNA Q361 J401 AM DET OUT SIGNAL CD IN IN B2 PLL DATA DATA OUT MD/TAPE OUT REC OUT 2A S DATA S DATA...
  • Page 10: Block Diagram Display Section

    STR-DE475 3-3. BLOCK DIAGRAM – DISPLAY SECTION – R-CH J791 POWER AMP PHONES IC701 RY791 RELAY BOOSTER • R-CH is omitted due to same as L-CH. +V OUT2 DRIVE Q703 Q791 • Signal Path LIMITER : FM Q701 TM602 RY730 SPEAKERS Q707 D706 OVER LOAD...
  • Page 11: Schematic Diagram Main Section (1/3)

    STR-DE475 3-4. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • See page 21 for IC Block Diagram. IC B/D IC B/D IC B/D...
  • Page 12: Schematic Diagram Main Section (2/3)

    STR-DE475 3-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – • See page 21 for IC Block Diagram. IC B/D IC B/D...
  • Page 13: Schematic Diagram Main Section (3/3)

    STR-DE475 3-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –...
  • Page 14: Printed Wiring Board Main Section

    STR-DE475 3-7. PRINTED WIRING BOARD – MAIN SECTION – • See page 8 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. TUNER UNIT IC 401 IC 201 IC 803 IC 301 (Page 20)
  • Page 15: Schematic Diagram Digital Section

    STR-DE475 3-8. SCHEMATIC DIAGRAM – DIGITAL SECTION – • See page 21 for IC Block Diagram. • See page 7 for Waveforms. IC B/D IC B/D...
  • Page 16: Printed Wiring Board Digital Section

    STR-DE475 3-9. PRINTED WIRING BOARD – DIGITAL SECTION – • See page 8 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. DIGITAL IC 1002 IC 1003 IC 1005 IC 1010 IC 1004 (Page 18)
  • Page 17: Schematic Diagram Display Section

    STR-DE475 3-10. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 23 for IC Pin Function. • See page 7 for Waveforms.
  • Page 18: Printed Wiring Board Display Section

    STR-DE475 3-11. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 8 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. (Page 16) (Page 20) (Page 20) (Page 14) IC 103 IC 101...
  • Page 19: Schematic Diagram Video Section

    STR-DE475 3-12. SCHEMATIC DIAGRAM – VIDEO SECTION – • See page 21 for IC Block Diagram. • See page 13 for Printed Wiring Board. IC B/D...
  • Page 20: Printed Wiring Board Power Section

    STR-DE475 3-13. PRINTED WIRING BOARD – POWER SECTION – • See page 8 for Circuit Boards Location. 3-14. PRINTED WIRING BOARD – VIDEO SECTION – • See page 8 for Circuit Boards Location. • See page 20 for Schematic Diagram. There are a few cases that the part printed on this diagram isn’t mounted in this model.
  • Page 21: Ic Block Diagrams

    STR-DE475 3-15. IC BLOCK DIAGRAMS IC1015 NJM2279D (VIDEO BOARD) IC1008 AK4527 (DIGITAL BOARD) 14 13 12 10 9 8 44 43 42 41 40 39 38 37 36 35 34 DZF2 RIN+ RIN– INPUT SDOS CIRCUIT LIN+ LIN– SMUTE ROUT1 BICK LOUT1 LRCK...
  • Page 22 STR-DE475 IC950 NJM2103D (STANDBY BOARD) IC1004 LC89055W-RA8 (DIGITAL BOARD) DISEL XMODE DOUT CKSEL1 RESET INPUT DIN0 CKSEL0 DIN1 DOSEL1 – + DIN2 DOSEL0 VREF DGND DVDD + – DVDD DGND MODE1 OUTC VSB/SESIN MODE0 XSEL AVDD MICRO COMPUTER AGND INTERFACE –...
  • Page 23: Ic Pin Function Description

    STR-DE475 3-16. IC PIN FUNCTION DESCRIPTION • IC102 MB90553ABPF-G-193-BND (SYSTEM CONTROL) Pin No. Pin Name Description Read volume encoder A changing Read volume encoder B changing BLUE LED Control Blue LED DCS LED Control DCS LED AFD LED Control AFD LED 2CH LED Control 2CH LED MOD LED...
  • Page 24 STR-DE475 Pin No. Pin Name Description — Selection of micom operation mode HSTX — Hardware standby signal RDS CLK Read RDS clock — HP SW Detect headphone switch PW KEY IN Detect power switch key SIRCS Input data from remote control receiver PROTECTOR Detect protector status TUNER LAT...
  • Page 25: Exploded Views

    STR-DE475 SECTION 4 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied. dotted line with mark 0 are critical for safety.
  • Page 26 STR-DE475 not supplied not supplied not supplied T901 not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-2007-946-A DIGITAL BOARD, COMPLETE 4-233-753-91 BACK PANEL (DE475) (AR) 4-232-237-01 FOOT (DIA. 30) 4-956-370-02 BAND, PLUG FIXED (UK,AUS) A-2007-945-A STANDBY BOARD, COMPLETE (US,CND) 1-681-428-11 VIDEO BOARD...
  • Page 27: Electrical Parts List

    STR-DE475 SECTION 5 AC SELECT DIGITAL ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS uF: µF In each case, u: µ, for example: parts list may be different from the parts uA...: µA... , uPA... , µPA... , specified in the diagrams or the components •...
  • Page 28 STR-DE475 DIGITAL DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > R1119 1-216-025-11 RES-CHIP 1/10W R1120 1-216-025-11 RES-CHIP 1/10W D1101 8-719-016-74 DIODE 1SS352-TPH3 R1201 1-216-073-00 METAL CHIP 1/10W D1201 8-719-016-74 DIODE 1SS352-TPH3 R1202 1-216-059-00 METAL CHIP 2.7K 1/10W...
  • Page 29 STR-DE475 DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C104 1-127-880-31 CERAMIC 0.022uF < FERRITE BEAD > C105 1-127-880-31 CERAMIC 0.022uF C106 1-127-880-31 CERAMIC 0.022uF FB100 1-412-473-41 INDUCTOR 0UH (US,CND) C107 1-127-880-31 CERAMIC 0.022uF C108 1-127-880-31 CERAMIC 0.022uF <...
  • Page 30 STR-DE475 DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R058 1-247-807-31 CARBON 1/4W R148 1-247-807-31 CARBON 1/4W R062 1-249-402-11 CARBON 1/4W F R149 1-247-807-31 CARBON 1/4W R064 1-249-407-11 CARBON 1/4W F R150 1-247-807-31 CARBON 1/4W R065 1-249-441-11 CARBON 100K...
  • Page 31 STR-DE475 DISPLAY MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks S128 1-762-875-21 SWITCH, TACTILE (VIDEO) C308 1-128-805-11 CERAMIC 47PF S129 1-762-875-21 SWITCH, TACTILE (MD/TAPE) (AEP,UK) S130 1-762-875-21 SWITCH, TACTILE (MODE) C309 1-126-795-11 ELECT 10uF 20.00% 50V S131 1-762-875-21 SWITCH, TACTILE (MUTING) (AEP,UK)
  • Page 32 STR-DE475 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C462 1-130-481-00 MYLAR 0.0068uF 5% C661 1-136-157-00 FILM 0.022uF 5.00% 50V C463 1-136-495-11 FILM 0.068uF 5.00% 50V C670 1-128-813-11 CERAMIC 220PF C464 1-130-481-00 MYLAR 0.0068uF 5% C701 1-126-963-11 ELECT 4.7uF...
  • Page 33 STR-DE475 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks CC03 1-128-809-11 CERAMIC 100PF < DIODE > (UK,AEP,AUS,CH) CC04 1-128-809-11 CERAMIC 100PF D505 8-719-991-33 DIODE 1SS133T-77 (UK,AEP,AUS,CH) D506 8-719-991-33 DIODE 1SS133T-77 CC05 1-128-809-11 CERAMIC 100PF D508 8-719-991-33 DIODE 1SS133T-77 (UK,AEP,AUS,CH) D510...
  • Page 34 STR-DE475 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC404 8-759-636-74 IC M5218AP-22 Q657 8-729-900-63 TRANSISTOR BN1F4M-TP IC501 8-749-011-16 IC STK350-230 Q658 8-729-281-53 TRANSISTOR 2SC1815GR-TPE2 IC701 8-759-326-52 IC uPC2581V Q659 8-729-900-63 TRANSISTOR BN1F4M-TP IC702 8-759-326-52 IC uPC2581V Q691 8-729-281-53 TRANSISTOR 2SC1815GR-TPE2...
  • Page 35 STR-DE475 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R371 1-249-437-11 CARBON 1/4W R469 1-249-417-11 CARBON 1/4W F R372 1-249-437-11 CARBON 1/4W R470 1-249-437-11 CARBON 1/4W R373 1-247-807-31 CARBON 1/4W R471 1-249-431-11 CARBON 1/4W R374 1-247-807-31 CARBON 1/4W R472...
  • Page 36 STR-DE475 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R539 1-249-424-11 CARBON 3.9K 1/4W F R692 1-215-888-00 METAL OXIDE (EXCEPT US,CND) (US,CND) R540 1-247-881-00 CARBON 120K 1/4W R692 1-216-453-00 METAL OXIDE R541 1-249-431-11 CARBON 1/4W (EXCEPT US,CND) R573 1-249-437-11 CARBON...
  • Page 37 STR-DE475 MAIN POWER SW STANDBY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R770 1-249-425-11 CARBON 4.7K 1/4W F < RESISTOR > R771 1-247-850-11 CARBON 6.2K 1/4W R772 1-249-419-11 CARBON 1.5K 1/4W F 1-249-417-11 CARBON 1/4W R775 1-249-422-11 CARBON 2.7K...
  • Page 38 STR-DE475 STANDBY VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D914 8-719-991-33 DIODE 1SS133T-77 (US,CND) < CONNECTOR > D914 8-719-911-19 DIODE 1SS133T-72 (EXCEPT US,CND) D915 8-719-991-33 DIODE 1SS133T-77 (US,CND) CNP911 1-784-925-11 PIN, CONNECTOR 10P D915 8-719-911-19 DIODE 1SS133T-72 (EXCEPT US,CND) CNS107 1-691-765-11 PLUG (MICRO CONNECTOR) 3P CNS500 1-564-506-11 PLUG, CONNECTOR 3P...
  • Page 39 STR-DE475 Ref. No. Part No. Description Remarks ACCESSORIES & PACKING MATERIALS ******************************* 1-476-552-11 REMOTE COMMANDER (RM-U305) 1-501-374-11 ANTENNA, LOOP (AM) 1-501-594-11 ANTENNA (FM) (AEP,UK,AUS,CH) 1-793-184-21 CONNECTOR (F TYPE ADAPTOR) (US,CND,E,MX,BR,AR) 4-233-503-11 INSTRUCTION MANUAL (US,CND,AUS,CH)(ENGLISH) 4-233-503-21 INSTRUCTION MANUAL (CND)(FRENCH) 4-233-503-41 INSTRUCTION MANUAL (CH)(CHINESE) 4-233-503-51 INSTRUCTION MANUAL (AEP,UK)(ENGLISH,SWEDISH,FRENCH,DUTCH) 4-233-503-61 INSTRUCTION MANUAL...
  • Page 40 STR-DE475 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2001.02...

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