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Sony STR-DE575 Service Manual

Sony STR-DE575 Service Manual

Fm stereo fm-am receiver
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STR-DE575/K502/K502P
SERVICE MANUAL
Ver 1.1 2002. 07
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 20 -
20,000 Hz; rated 100 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
Rated Power Output at Stereo mode
(8 ohms 20 Hz - 20 kHz,
THD 0.09%)
100 W + 100 W
Reference Power Output
(8 ohms at 1 kHz, THD
0.7%)
1)
Front
: 100 W/ch
1)
Center
: 100 W
Surround
1) Depending on the sound field settings and
sources, there may be no sound output.
Sony Corporation
9-873-862-12
2002G1600-1
Home Audio Company
© 2002.07
Published by Sony Engineering Corporation
Photo : STR-DE575
SPECIFICATIONS
Frequency response
MULTI CH IN, CD,
Inputs (Analog)
MULTI CH IN, CD,
a) Input short.
b) Weighted network, input level.
Inputs (Digital)
DVD/LD (coaxial):
1)
: 100 W/ch
MD/TAPE, DVD/
LD, TV/SAT,
VIDEO*, AUX:
10 Hz - 50 kHz +0.5/
–2 dB (with sound
field and equalizer
Outputs
bypassed)
DVD/LD, MD/
TAPE, TV/SAT,
VIDEO*, AUX:
Sensitivity: 250 mV
Impedance: 50
kilohms
a)
S/N
: 96 dB (A, 250
b)
mV
)
EQ
Sampling Frequency
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB (A, 20
kHz LPF)
FM STEREO FM-AM RECEIVER
US Model
STR-DE575/K502/K502P
Canadian Model
STR-DE575/K502P
E Model
Australian Model
STR-K502P
DVD/LD, TV/SAT
(Optical):
Sensitivity: –
Impedance: –
S/N: 100 dB (A, 20
kHz LPF)
MD/TAPE, (OUT);
VIDEO*,
(AUDIO OUT):
Voltage: 250 mV,
Impedance: 10
kilohms
SUB WOOFER:
Voltage: 2 V
Impedance: 1
kilohms
PHONES:
Accepts low- and
high-impedance
headphones
±6 dB
48 kHz (TV/SAT, MD/
TAPE OPTICAL IN)
96 kHz (DVD/LD
OPTICAL IN,
COAXIAL IN)
— Continued on next page —

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Summary of Contents for Sony STR-DE575

  • Page 1 : 100 W/ch 1) Depending on the sound field settings and — Continued on next page — sources, there may be no sound output. FM STEREO FM-AM RECEIVER Sony Corporation 9-873-862-12 2002G1600-1 Home Audio Company © 2002.07 Published by Sony Engineering Corporation...
  • Page 2 60 dB at 400 kHz Selectivity C: 0.286 Vp-p 75 ohms Supplied accessories • FM wire antenna (1) AM tuner section *** STR-DE575 only • AM loop antenna (1) • R6 (size-AA) batteries (2) With 10-kHz tuning Tuning range General •...
  • Page 3 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: Table Of Contents

    STR-DE575/K502/K502P TABLE OF CONTENTS 1. GENERAL ·········································································· 5 2. TEST MODE ······································································ 7 3. DIAGRAMS 3-1. Circuit Boards Location ............. 9 3-2. Block Diagrams ..............10 • Main Section ..............10 • Display/Power Section ........... 11 3-3. Printed Wiring Board – Digital Section – ......12 3-4.
  • Page 5: General

    STR-DE575/K502/K502P SECTION 1 GENERAL This section is extracted from instruction manual. VIDEO 1 VIDEO 2 DVD/LD TV/SAT MULTI CHANNEL DECODING MD/TAPE TUNER INPUT MODE MASTER VOLUME LEVEL DISPLAY SPEAKERS SURR SET UP – CINEMA STUDIO EX EQUALIZER PRESET NAME –...
  • Page 6 STR-DE575/K502/K502P qg qh qj qk ql VIDEO 1 VIDEO 2 DVD/LD TV/SAT MULTI CHANNEL DECODING MD/TAPE TUNER INPUT MODE MASTER VOLUME LEVEL SPEAKERS DISPLAY SURR SET UP – CINEMA STUDIO EX EQUALIZER PRESET NAME – TUNING – TUNING DIMMER SOUND FIELD...
  • Page 7: Test Mode

    STR-DE575/K502/K502P SECTION 2 TEST MODE FACTORY PRESET MODE 3. Press the VIDEO button, confirm display * All preset contents are reset to the default setting. DIGITAL MONO MEMORY * Procedure: SP.OFF MULTI CH IN NEWS While depressing the VIDEO and the 2CH buttons simul- taneously, press the power ?/1 button to turn on the main power.
  • Page 8 STR-DE575/K502/K502P DSP TEST MODE * DSP tests are performed. * Procedure : 1. While depressing the LEVEL and CD buttons simultaneously, press the power ?/1 Button to turn on the main power. 2. Press the NAME button. 3. Select the item by pressing Cursor button ( < or > ).
  • Page 9: Diagrams

    STR-DE575/K502/K502P SECTION 3 DIAGRAMS 3-1. CIRCUIT BOARDS LOCATION 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: STBY board •...
  • Page 10: Block Diagrams

    STR-DE575/K502/K502P 3-2. BLOCK DIAGRAMS – MAIN SECTION – ANALOG SOUND — TM301 — PROC. TUNER UNIT IC201 L CH L IN8 75 Ω COAXIAL SYSTEM CONTROL. R CH R-CH IC1601(1/3) ANTENNA J402 DATA SDATA L IN9 L OUT CLOCK SCLK...
  • Page 11: Display/Power Section

    STR-DE575/K502/K502P – DISPLAY/POWER SECTION – R-CH J791 POWER AMP PHONES IC701 RY791 RELAY BOOSTER +V OUT2 DRIVE Q703 Q790 LIMITER Q701 TM602 RY701 • R-CH is omitted due to same as L-CH FRONT D731 AF POWER RELAY LIMITER • Signal Path...
  • Page 12: Printed Wiring Board - Digital Section

    STR-DE575/K502/K502P 3-3. PRINTED WIRING BOARD – DIGITAL SECTION – • See page 9 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. IC1104 IC1105 IC1106 IC1107 • Semiconductor Location Ref.
  • Page 13: Schematic Diagram - Digital Section (1/3)

    STR-DE575/K502/K502P 3-4. SCHEMATIC DIAGRAM – DIGITAL SECTION (1/3) – • See page 9 for Waveform. • See page 25 for IC Block Diagrams.
  • Page 14: Schematic Diagram - Digital Section (2/3)

    STR-DE575/K502/K502P 3-5. SCHEMATIC DIAGRAM – DIGITAL SECTION (2/3) – • See page 9 for Waveform.
  • Page 15: Schematic Diagram - Digital Section (3/3)

    STR-DE575/K502/K502P 3-6. SCHEMATIC DIAGRAM – DIGITAL SECTION (3/3) – • See page 9 for Waveform. • See page 25 for IC Block Diagrams. • See page 27 for IC Pin Function.
  • Page 16: Printed Wiring Board - Main Section

    STR-DE575/K502/K502P 3-7. PRINTED WIRING BOARD – MAIN SECTION – • See page 9 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. K502P : MX EXCEPT K502P : MX...
  • Page 17: Schematic Diagram - Main Section (1/3)

    STR-DE575/K502/K502P 3-8. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • See page 26 for IC Block Diagrams.
  • Page 18: Schematic Diagram - Main Section (2/3)

    STR-DE575/K502/K502P 3-9. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – 1.7uH 1.7uH 1.7uH 1.7uH 1.7uH...
  • Page 19: Schematic Diagram - Main Section (3/3)

    STR-DE575/K502/K502P 3-10. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –...
  • Page 20: Printed Wiring Board - Display Section

    STR-DE575/K502/K502P 3-11. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 9 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. TV/SAT IC102 IC101 (Page 12) FM MODE •...
  • Page 21: Schematic Diagram - Display Section

    STR-DE575/K502/K502P 3-12. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 9 for Waveform. • See page 26 for IC Block Diagrams. TV/SAT FM MODE...
  • Page 22: Printed Wiring Board - Video Section

    STR-DE575/K502/K502P 3-13. PRINTED WIRING BOARD – VIDEO SECTION – • See page 9 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. IC1801 IC1802 (Page 16) (Page 12) •...
  • Page 23: Schematic Diagram - Video Section

    STR-DE575/K502/K502P 3-14. SCHEMATIC DIAGRAM – VIDEO SECTION – • See page 26 for IC Block Diagrams.
  • Page 24: Schematic Diagram - Power Section

    STR-DE575/K502/K502P 3-15. PRINTED WIRING BOARD – POWER SECTION – • See page 9 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 16) (Page 12)
  • Page 25: Ic Block Diagrams

    STR-DE575/K502/K502P 3-16. IC BLOCK DIAGRAMS IC1101 LC89056W-E (DIGITAL BOARD) AUDIO C BIT PA/PB DETECT DETECT EMPHA SAMPLING FREQUENCY MICROCOMPUTER INTERFACE XSEL LOCK XOUT CLOCK DETECT XMCK 19 DVDD MODE0 MODE 18 DGND SELECT MODE1 XSTATE DGND DATAO DVDD LRCK DOSEL0...
  • Page 26 STR-DE575/K502/K502P IC701 µPC2581V (MAIN BOARD) IC501 STK350-230 (MAIN BOARD) IC702 µPC2581V (MAIN BOARD) INPUT BIAS CIRCUIT PROTECTOR -VEOUT REG DRIVE DRIVE DRIVE DRIVE +VEOUT 2 3 4 5 6 8 9 10 11 12 13 14 15 IC101 TC74VHC08AF(EL) (DISPLAY BOARD)
  • Page 27: Ic Pin Function Description

    STR-DE575/K502/K502P 3-17. IC PIN FUNCTION DESCRIPTIONS • IC1601 MB90478PF-G-101-BND (SYSTEM CONTROL) Pin No. Pin Name Description DATAO Audio data signal input from DIR GP9 signal input from DSP BST signal output to DSP HCS signal output to DSP HACN HACN signal input from DSP...
  • Page 28 STR-DE575/K502/K502P Pin No. Pin Name Description — Operation mode setting input RDS CLOCK RDS clock signal input (Not used) RDS DATA RDS data signal input (Not used) SIRCS Data signal input from the remote control sensor SLEEP Not used POWER KEY...
  • Page 29: Exploded Views

    STR-DE575/K502/K502P 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.
  • Page 30: Chassis Section

    STR-DE575/K502/K502P 4-2. CHASSIS SECTION #1 #1 #1 #1 not supplied not supplied T901 not supplied not supplied not supplied not supplied...
  • Page 31 STR-DE575/K502/K502P Ver 1.1 2002.07 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-232-237-01 FOOT (DIA. 30) A-4476-958-A STBY BOARD,COMPLETE (K502P:MY,SP) 4-233-263-01 SUB MOLD (DE9) A-4476-964-A STBY BOARD,COMPLETE (K502P:AUS) A-4475-895-A MAIN BOARD,COMPLETE A-4476-969-A STBY BOARD,COMPLETE (K502P:MX) (DE575:US/K502/K502P:US)
  • Page 32: Electrical Parts List

    STR-DE575/K502/K502P SECTION 5 DIGITAL ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS uH: µH When indicating parts by reference number, parts list may be different from the parts please include the board name. specified in the diagrams or the components •...
  • Page 33 STR-DE575/K502/K502P DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1621 1-163-038-11 CERAMIC CHIP 0.1uF FB1601 1-414-813-11 FERRITE C1622 1-164-156-11 CERAMIC CHIP 0.1uF FB1602 1-414-813-11 FERRITE C1623 1-164-156-11 CERAMIC CHIP 0.1uF FB1603 1-414-813-11 FERRITE C1626 1-163-038-11 CERAMIC CHIP 0.1uF...
  • Page 34 STR-DE575/K502/K502P DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1111 1-216-049-11 RES-CHIP 1/10W R1602 1-216-065-11 RES-CHIP 4.7K 1/10W R1112 1-216-033-00 METAL CHIP 1/10W R1603 1-216-049-11 RES-CHIP 1/10W R1113 1-216-049-11 RES-CHIP 1/10W R1604 1-216-809-91 RES-CHIP 1/16W...
  • Page 35: Digital Display

    STR-DE575/K502/K502P DIGITAL DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1656 1-216-073-00 METAL CHIP 1/10W A-4475-897-A DISPLAY BOARD, COMPLETE R1657 1-216-073-00 METAL CHIP 1/10W (DE575:US/K502/K502P:US) R1658 1-216-097-11 RES-CHIP 100K 1/10W *********************** R1659 1-216-049-11 RES-CHIP 1/10W...
  • Page 36 STR-DE575/K502/K502P DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSISTOR > R145 1-249-409-11 CARBON 1/4W F R146 1-249-421-11 CARBON 2.2K 1/4W F Q100 8-729-119-78 TRANSISTOR 2SC2785TP-HFE R147 1-249-409-11 CARBON 1/4W F Q101 8-729-119-78 TRANSISTOR...
  • Page 37 STR-DE575/K502/K502P HEADPHONE MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-680-529-11 HEADPHONE BOARD C415 1-126-964-11 ELECT 10uF 20.00% 50V C416 1-126-964-11 ELECT 10uF 20.00% 50V ***************** C417 1-126-964-11 ELECT 10uF 20.00% 50V < CAPACITOR >...
  • Page 38 STR-DE575/K502/K502P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C603 1-104-665-11 ELECT 100uF 20.00% 10V C807 1-104-665-11 ELECT 100uF 20.00% 10V C604 1-107-583-11 CERAMIC 0.25PF 500V C808 1-104-665-11 ELECT 100uF 20.00% 10V (EXCEPT K502P:MX) C809...
  • Page 39 STR-DE575/K502/K502P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC702 8-759-326-52 IC uPC2581V Q656 8-729-140-82 TRANSISTOR 2SA988TP-PAFAEA IC801 8-759-605-00 IC M5F78M07L Q680 8-729-281-53 TRANSISTOR 2SC1815GR-TPE2 IC802 8-759-604-95 IC M5F79M07L Q691 8-729-281-53 TRANSISTOR 2SC1815GR-TPE2 IC803 8-759-647-10 IC uPC2933HF...
  • Page 40 STR-DE575/K502/K502P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R412 1-249-417-11 CARBON 1/4W F R503 1-249-417-11 CARBON 1/4W F R413 1-249-437-11 CARBON 1/4W (K502P:MY,SP,MX,AUS) R414 1-249-437-11 CARBON 1/4W R504 1-249-411-11 CARBON 1/4W R415 1-249-437-11 CARBON...
  • Page 41 STR-DE575/K502/K502P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R653 1-249-418-11 CARBON 1.2K 1/4W F R736 1-249-417-11 CARBON 1/4W F (DE575/K502/K502P:US,CND) R737 1-249-436-11 CARBON 1/4W R653 1-249-417-11 CARBON 1/4W F R740 1-247-866-11 CARBON 1/4W (K502P:MY,SP,MX,AUS)
  • Page 42 STR-DE575/K502/K502P POWER SWITCH STBY S-VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-680-528-11 POWER SWITCH BOARD D913 8-719-024-99 DIODE 11ES2-NTA2B D914 8-719-911-19 DIODE 1SS133T-72 ******************** D915 8-719-911-19 DIODE 1SS133T-72 < CONNECTOR > < EARTH >...
  • Page 43 STR-DE575/K502/K502P Ver 1.1 2002.07 S-VIDEO VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > MISCELLANEOUS R1803 1-216-022-00 METAL CHIP 1/10W ************** R1804 1-216-022-00 METAL CHIP 1/10W R1809 1-216-022-00 METAL CHIP 1/10W 1-773-250-11 WIRE (FLAT TYPE) (27 CORE)
  • Page 44 STR-DE575/K502/K502P 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 2001.04...

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