Sony STR-DE525 Service Manual
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Sony STR-DE525 Service Manual

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See also: Owner's Manual
STR-DE525/V515
SERVICE MANUAL
Ver 1.1 2002. 01
Dolby Laboratories Licensing Corporation.
"DOLBY" the double-D symbol a "AC-3" and "PRO LOGIC"
are trademarks of Dolby Laboratories Licensing Corporation.
Sony Corporation
9-922-797-12
2002A1600-1
Home Audio Company
© 2002.1
Published by Sony Engineering Corporation
Photo : STR-DE525
SPECIFICATIONS
FM STEREO/FM-AM RECEIVER
US Model
Canadian Model
E Model
Australian Model
PX Model
STR-DE525
Chinese Model
STR-V515
— Continued on next page —

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  • Page 1 “DOLBY” the double-D symbol a “AC-3” and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation. SPECIFICATIONS — Continued on next page — FM STEREO/FM-AM RECEIVER Sony Corporation 9-922-797-12 2002A1600-1 Home Audio Company © 2002.1 Published by Sony Engineering Corporation...
  • Page 2 — 2 —...

  • 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

    @ª @¶ @∞ @£ @¡ @º !• !§ !¢ !™ !º Photo : STR-DE525 !• POWER switch TUNER FUNCTION button !ª MULTI CURSOR CONTROL VIDEO FUNCTION button @º DISPLAY REAR LEVEL +, – buttons CD FUNCTION buttons @¡ SURROUND, BASS/TREBLE, INDEX indicators Numeric buttons @™...
  • Page 5 [REAR PANEL] !º !¡ !§ !∞ !¢ !£ !™ Photo : STR-DE525 ANTENNA (FM/AM) WIRELESS REAR SPEAKER !º y SIGNAL GND AC power cord !¡ TV/DBS AC OUTLET !™ VIDEO FRONT SPEAKERS (A/B) !£ MONITOR TAPE/MD !¢ WOOFER !∞ SURROUND SPEAKERS (REAR) PHONO !§...

  • Page 6: Test Mode

    SECTION 2 TEST MODE SOFTWARE VERSION DISPLAY MODE ALL CLEAR MODE * The software version is displayed. * All preset contents are cleared when this mode is activated. Use * Procedure: this mode before returning the product to clients upon completion While depressing the TUNER and the BASS BOOST buttons of repair.

  • Page 7: Diagrams

    STR-DE525/V515 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: Note: STANDBY board •...

  • Page 8: Block Diagram -Main Section

    STR-DE525/V515 3-2. BLOCK DIAGRAM –MAIN SECTION– DOLBY PROLOGIC SURROUND AUDIO SELECT MATRIX DECODER PROCESSOR SELECTOR IC302 IC401 IC400 IC403 L.P.F LINE AMP TUNER UNIT IC404 L OUT L OUT IC306 L OUT RY301 75Ω BALANCE VOLUME S OUT SL OUT...

  • Page 9: Block Diagram -Power Section

    STR-DE525/V515 3-3. BLOCK DIAGRAM –POWER SECTION– POWER AMP(L) IC601 J701 R CH 13 VCC PHONS RY602 BOOSTER RELAY Q506 DRIVE LIMITER Q601 Q504 S155 LIMITER • RCH is omitted Q511 SPEAKERS Q505 PROTECTOR • Signal Path Q509,510 TM501 BOOSTER CUR DET...

  • Page 10: Printed Wiring Board - Amp Section

    STR-DE525/V515 3-4. PRINTED WIRING BOARD — AMP SECTION — • Semiconductor Location Ref. No. Location Ref. No. Location REAR D501 Q504 D502 Q506 CENTER TM701 SURROUND D503 Q507 CNJ701 SPEAKERS J501 D504 Q508 WIRELESS WOOFER REAR D505 Q509 SP BOARD...

  • Page 11: Schematic Diagram - Amp Section

    STR-DE525/V515 3-5. SCHEMATIC DIAGRAM — AMP SECTION — — 15 — — 16 —...

  • Page 12: Printed Wiring Board - Video Section

    STR-DE525/V515 3-6. PRINTED WIRING BOARD — VIDEO SECTION — J300 J301 TV/DBS VIDEO AUDIO AUDIO AUDIO 5.1/DVD INPUT TV/DBS VIDEO MONITOR VIDEO VIDEO VIDEO VIDEO VIDEO SURR BOARD VIDEO BOARD J203 J201 1-669-435- (11) INPUT BOARD CNS201 (Page 21) DISPLAY BOARD...

  • Page 13: Schematic Diagram - Video Section

    STR-DE525/V515 3-7. SCHEMATIC DIAGRAM — VIDEO SECTION — — 19 — — 20 —...

  • Page 14: Printed Wiring Board - Input Section

    STR-DE525/V515 3-8. PRINTED WIRING BOARD — INPUT SECTION — • Semiconductor Location Ref. No. Location D301 D401 I-10 D402 H-12 CONNECTOR BOARD IC001 IC301 IC302 IC303 IC304 H-10 AMP BOARD CNS651 IC305 (Page 13) IC306 G-12 IC450 D-13 IC451 D-11...

  • Page 15: Schematic Diagram - Input Section

    STR-DE525/V515 3-9. SCHEMATIC DIAGRAM — INPUT SECTION — — 23 — — 24 —...
  • Page 16 STR-DE525/V515 3-10. PRINTED WIRING BOARD— DISPLAY SECTION — • Semiconductor Location Ref. No. Location (Page 13) (Page 18) (Page 22) (Page 21) (Page 30) (Page 14) D107 VIDEO INPUT STAND BY(2) INPUT BOARD AMP BOARD BOARD BOARD BOARD BOARD CND201...

  • Page 17: Schematic Diagram - Display Section

    STR-DE525/V515 3-11. SCHEMATIC DIAGRAM — DISPLAY SECTION — • See page 8 for Waveform. — 27 — — 28 —...

  • Page 18: Printed Wiring Board- Power Section

    STR-DE525/V515 3-12. PRINTED WIRING BOARD— POWER SECTION — • Semiconductor Location Ref. No. Location (Page 26) D122 DISPLAY BOARD T901 CNE102 D123 STAND BY (2) BOARD REAR AMP BOARD SP SW BOARD POWER TRANSFORMER E,EA,PX MODELS D543 D605 D606 D607...

  • Page 19: Schematic Diagram - Power Section

    STR-DE525/V515 3-13. SCHEMATIC DIAGRAM — POWER SECTION — — 31 — — 32 —...
  • Page 20 STR-DE525/V515 • IC103 uPD780208FGF Pin No. Pin Name Description Pin No. Pin Name Description — Power Supply (+5 V) P123/FIP48 Volume – Video IC SW1 P122/EIP47 Volume + P36/BUZ Video IC SW2 P121/FIP46 Ground P35/PCL Video IC SW3 P120/FIP45 Ground...

  • Page 21: Ic Block Diagrams

    3-14. IC BLOCK DIAGRAMS IC001 uPC2581V BIAS CIRCUIT PROTECTOR DRIVE DRIVE DRIVE DRIVE IC106 BA6208 MOTOR SWITCH DRIVE MOTOR SWITCH DRIVE IC201 NJM2296D Vin1 Vin2 Vout1 Vin3 Vout2 Vin4 Vin5 Vout3 — 35 —...
  • Page 22 IC400 CXA8081S SRA1-8K PDM-COUT INV-PHPSE R+DELAY L+DELAY 5K/7K-L.P.F. VOL/MUTE 20KH-L.P.F. -6DBL +R B-NR RS-TRIM R-STEREO LS-TRIM IC401 CXA8079S 30 29 28 C-TRIM R-B.P.F. L+R-RECT VCS-LOG N-GEN N-BPF BAL-DET L-R-RECT DUAL-TIME SMUTE CMODE N-OH BALCONT R-RECT COMB-NET VCRX8 VLR-LOG L-B.P.F. L-RECT VREF —...
  • Page 23 IC302 LC7822 IC403 LC7823 L COM1 R COM1 R COM2 L COM2 R COM3 L COM3 IN IN L COM4 R COM4 LEVEL SHIFT LEVEL SHIFT LATCH RESET LATCH SHIFT RESISTOR SHIFT RESISTOR IC502 TC9184P IC901 NJM2103D –9V RESET BASS + BASS + –...

  • Page 24: Exploded Views

    X-4949-750-1 KNOB ASSY (C5)(GOLD)(CH) A-4407-584-A DISPLAY BOARD, COMPLETE (US,CND) 4-977-358-02 CUSHION (US,CND,CH) A-4407-598-A DISPLAY BOARD, COMPLETE (AUS) 4-996-698-01 EMBLEM, SONY (SILVER)(EXCEPT CH) A-4407-600-A DISPLAY BOARD, COMPLETE (CH) 4-996-698-11 EMBLEM, SONY (GOLD)(CH) 3-710-901-01 SCREW, TAPPING (GOLD)(CH) X-4949-740-1 PANEL ASSY (U5),FRONT (BLACK)

  • Page 25: Chassis Section

    4-2. CHASSIS SECTION E, PX MODEL CH MODEL US, CND MODEL AUS MODEL EXCEPT US, CND, AUS, CH MODEL CNJ902 supplied T901 not supplied supplied supplied supplied supplied supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 51...

  • Page 26: Electrical Parts List

    SECTION 5 ELECTRICAL PARTS LIST NOTE: • -XX, -X mean standardized parts, so they may • COILS When indicating parts by reference number, have some difference from the original one. uH: µH please include the board name. • Items marked “*” are not stocked since they •...
  • Page 27 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TERMINAL > < RESISTOR > * EB702 1-537-738-21 TERMINAL, EARTH R501 1-249-432-11 CARBON 1/4W * EB703 1-537-738-21 TERMINAL, EARTH R503 1-249-432-11 CARBON 1/4W R504 1-249-429-11 CARBON 1/4W <...
  • Page 28 BALANCE CONNECTOR DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R632 1-249-437-11 CARBON 1/4W < CAPACITOR > R633 1-249-393-11 CARBON 1/4W F R640 1-215-885-00 METAL OXIDE C101 1-164-159-11 CERAMIC 0.1uF R641 1-249-441-11 CARBON 100K 1/4W C102 1-164-159-11 CERAMIC 0.1uF...
  • Page 29 DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > R110 1-247-843-11 CARBON 3.3K 1/4W R111 1-247-843-11 CARBON 3.3K 1/4W D107 8-719-911-19 DIODE 1SS119 R112 1-249-417-11 CARBON 1/4W F D108 8-719-911-19 DIODE 1SS119 R113 1-249-441-11 CARBON 100K 1/4W...
  • Page 30 DISPLAY INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks RR102 1-249-437-11 CARBON 1/4W < VIBRATOR > RR103 1-249-437-11 CARBON 1/4W RR104 1-249-437-11 CARBON 1/4W X101 1-577-101-11 VIBRATOR, CERAMIC RR105 1-249-437-11 CARBON 1/4W ************************************************************ RR106 1-249-437-11 CARBON 1/4W 1-669-443-11 H.P BOARD RR107...
  • Page 31 INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C344 1-102-508-91 CERAMIC 10PF 0.5PF C710 1-162-282-31 CERAMIC 100PF C345 1-162-199-31 CERAMIC 10PF C751 1-126-964-11 ELECT 10uF C346 1-162-199-31 CERAMIC 10PF C752 1-162-282-31 CERAMIC 100PF C349 1-162-199-31 CERAMIC 10PF C753 1-102-233-00 CERAMIC...
  • Page 32 INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC601 8-759-326-52 IC uPC2581V R350 1-247-807-31 CARBON 1/4W R352 1-249-441-11 CARBON 100K 1/4W IC701 8-759-326-52 IC uPC2581V R353 1-249-441-11 CARBON 100K 1/4W IC801 8-759-604-40 IC M5F78M15 R356 1-249-425-11 CARBON 4.7K 1/4W F...
  • Page 33 INPUT REARAMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R517 1-247-883-00 CARBON 150K 1/4W R3063 1-249-429-11 CARBON 1/4W R518 1-249-427-11 CARBON 6.8K 1/4W F R3368 1-249-441-11 CARBON 100K 1/4W R519 1-249-413-11 CARBON 1/4W F R5002 1-249-429-11 CARBON 1/4W R541...
  • Page 34 REARAMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R726 1-233-352-41 ENCAPSULATED COMPONENT < TRANSISTOR > R727 1-247-850-11 CARBON 6.2K 1/4W R728 1-249-419-11 CARBON 1.5K 1/4W F Q544 8-729-119-79 TRANSISTOR 2SC2785-FEK R732 1-249-437-11 CARBON 1/4W Q609 8-729-281-53 TRANSISTOR 2SC1815-GR R733 1-249-393-11 CARBON...
  • Page 35 SP SW STANDBY STANDBY(2) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-669-442-11 SP SW BOARD < SWITCH > *********** VS901 1-571-437-11 SWITCH, POWER VOLTAGE CHANGE (E,EA,PX) < CONNECTOR > ************************************************************ * CNS104 1-695-808-11 CONNECTOR, PC BOARD 8P A-4407-589-A STANDBY (2) BOARD, COMPLETE *************************** <...
  • Page 36 SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4407-593-A SURR BOARD, COMPLETE C448 1-124-465-00 ELECT 0.47uF C449 1-124-465-00 ELECT 0.47uF ******************** C450 1-126-163-11 ELECT 4.7uF < CAPACITOR > C451 1-126-163-11 ELECT 4.7uF C452 1-124-250-11 ELECT 0.15uF 1-162-282-31 CERAMIC 100PF...
  • Page 37 SURR VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R401 1-249-436-11 CARBON 1/4W S116 1-762-751-11 SWITCH, TACTILE (7) R402 1-249-425-11 CARBON 4.7K 1/4W F S117 1-762-751-11 SWITCH, TACTILE (GENRE) R403 1-249-417-11 CARBON 1/4W F S118 1-762-751-11 SWITCH, TACTILE (5.1/DVD INPUT) R451 1-249-435-11 CARBON...
  • Page 38 STR-DE525/V515 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-669-446-11 VOL BOARD ACCESSORIES & PACKING MATERIALS ********* ******************************* < CONNECTOR > 1-475-135-11 REMOTE COMMANDER RM-U501(CH) 8-917-634-90 REMOTE COMMANDER RM-PP401(CND) CNP101 1-770-388-11 PIN, CONNECTOR (PC BOARD) 4P...
  • Page 39 STR-DE525/V515 MEMO...
  • Page 40 STR-DE525/V515 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 1998.03...

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