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STR-DE435/DE535/SE491/V424/V525

SERVICE MANUAL

Ver 1.1 2003. 05
Dolby Laboratories Licensing Corporation.
"DOLBY" the double-D symbol a "AC-3" and "PRO LOGIC"
are trademarks of Dolby Laboratories Licensing Corporation.
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
With 8-ohm load, both channels driven, from 20
20,000 Hz rated 100 watts per channel minimum
RMS power, with no more than 0.09%
harmonic distortion from 250 milliwatts to rated
output.
STR-SE491:
a) 40Hz
b) 0.5%
Amplifier section
Stereo mode
STR-DE535/DE435:
(8Ω at 20Hz – 20kH
less than 0.09% total
harmonic distortion)
100W + 100W
STR-SE491:
(8Ω at 40Hz – 20kHz less
than 0.5% total harmonic
distortion)
100W + 100W
Surround mode and
STR-DE535/435:
5.1CH/DVD mode
(8Ω at 1kHz, THD 0.8%)
Front: 100W/ch
Center*: (Pro Logic Mode)
100W
Rear*: 100W/ch
STR-SE491:
(8Ω at 1kHz, THD 0.5%)
Front: 100W/ch
Center*: 100W
Rear*: 100W/ch
Sony Corporation
9-928-848-12
2003E16-1
Home Audio Company
© 2003.05
Published by Sony Engineering Corporation
Photo: STR-DE535
SPECIFICATIONS
Frequency response
a)
b)
total
Inputs
Sensitivity
PHONO
(except STR-
4mV
DE435)
CD,
5.1CH/
DVD,
MD/TAPE,
250mV
TV/SAT,
VIDEO
Outputs
PHONO: RIAA
Muting
equalization curve
BASS BOOST
±0.5dB
TONE
(except STR-DE435)
TV/SAT, CD, MD/
Tuner section
TAPE, VIDEO, 5.1CH/
FM Stereo, FM/AM superheterodyne tuner
DVD
10Hz – 50kHz ± 1dB
FM tuner section
Tuning range
Impedance
S/N
Antenna terminals
Intermediate frequency
50
Sensitivity
86dB
kilohms
Usable sensitivity
S/N
50
96dB
kilohms
Harmonic
distortion at 1kHz
Separation
MD/TAPE REC OUT:
Frequency response
Voltage: 250mV,
Selectivity
Impedance: 10kilohms
VIDEO AUDIO OUT:
Voltage: 250mV,
Impedance: 10kilohms
WOOFER:
Voltage: 2V
Impedance: 1kilohms
PHONES: Accepts low
and high impedance
headphones
FM STEREO FM-AM RECEIVER
US Model
STR-DE435/DE535/SE491
Canadian Model
STR-DE435/DE535
AEP Model
STR-DE435
E Model
STR-DE435/DE535
Australian Model
STR-DE435/DE535
Chinese Model
STR-V424/V525
Full mute
+8dB at 70Hz
±8dB at 100Hz and
10kHz
87.5 – 108.0MHz
75Ω, unbalanced
10.7MHz
Mono: 18.3dBf,
4.5µV
Stereo: 38.3dBf,
45µV
11.2dBf, 2µV (IHF)
Mono: 76dB
Stereo: 70dB
Mono: 0.3%
Stereo: 0.5%
45dB at 1kHz
+0.5
30Hz –15kHz
–2
60dB at 400kHz
— Continued on next page —
dB

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Table of Contents

   Summary of Contents for Sony STR-DE435

  • Page 1: Service Manual

    PHONES: Accepts low (8Ω at 1kHz, THD 0.5%) and high impedance Front: 100W/ch headphones — Continued on next page — Center*: 100W Rear*: 100W/ch FM STEREO FM-AM RECEIVER Sony Corporation 9-928-848-12 2003E16-1 Home Audio Company © 2003.05 Published by Sony Engineering Corporation...
  • Page 2 120W/1A Max Dimensions 366 mm inches) Mass (Aporox.) STR-DE535: 11.1kg (24 lb 6 oz) STR-DE435: 11.0kg (24 lb 3 oz) STR-DE491: 11.2kg (24 lb 9 oz) Supplid accessories FM wire antenna (1) AM loop antenna (1) Remote commander (remote) (1)
  • 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: Genetal

    SECTION 1 GENETAL Front Panel 2 3 4 56 7 8 9 !º !¡ !™ !£ !¢ !∞ #¢ #£ #™ #¡ #º @ª @¶ @§ @∞ @¢ @£ @™ @¡ @º !ª !• !¶ !§ @• !• 1/u (POWER) button NAME button !ª...
  • Page 5 Rear Panel !¶ !§ !∞ !¢ !£ !™ !¡ !º ANTENNA (FM/AM) 5.1CH/DVD MONITOR WOOFER SPEAKER (REAR) SPEAKER (CENTER) AC power cord AC OUTLET SPEAKER (FRONT) !º IMPEDANCE SELECTOR (DE535 only) !¡ S-LINK (DE535 only) !™ VIDEO !£ TV/LD (DE435), TV/SAT (DE535) !¢...
  • 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 MD/TAPE and the DIRECT buttons of repair.
  • Page 7: Diagrams

    STR-DE435/DE535/SE491/V424/V525 SECTIION 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.) VOLTAGE SELECTOR board For schematic diagrams. : Saudi Arabia model...
  • Page 8: Block Diagrams

    STR-DE435/DE535/SE491/V424/V525 3-2. BLOCK DIAGRAMS — MAIN SECTION — DOLBY PROLOGIC SURROUND AUDIO SELECT MATRIX DECODER PROCESSOR IC204 IC301 IC302 LINE AMP L.P.F TUNER UNIT IC202 L OUT L OUT IC400 L OUT TUNER RY401 BALANCE VOLUME S OUT SL OUT...
  • Page 9: Power Section

    STR-DE435/DE535/SE491/V424/V525 — POWER SECTION — POWER AMP(L) IC501 J501 R CH 13 VCC PHONES RY503 BOOSTER RELAY Q506 DRIVE LIMITER Q513 Q504 S101 • RCH is omitted LIMITER Q511 SPEAKERS • Signal Path Q505 PROTECTOR Q509,510 TM501 BOOSTER CUR DET...
  • Page 10: Printed Wiring Board - Input Section

    STR-DE435/DE535/SE491/V424/V525 • Refer to page 7 for Circuit Boards Location. 3-3. PRINTED WIRING BOARD — INPUT SECTION — • Semiconductor Location Ref. No. Location IC201 C-12 IC202 IC203 IC204 E-11 IC230 B-12 IC501 IC601 IC701 IC801 IC802 IC803 IC804 Q691...
  • Page 11: Schematic Diagram - Input Section

    STR-DE435/DE535/SE491/V424/V525 3-4. SCHEMATIC DIAGRAM — INPUT SECTION — • Refer to page 39 for IC Block Diagrams. • Refer to page 8 for Waveforms. 4.332 AEP,EE,CIS MODEL — 15 — — 16 —...
  • Page 12: Printed Wiring Board - Surround Section

    STR-DE435/DE535/SE491/V424/V525 3-5. PRINTED WIRING BOARD — SURROUND SECTION — • Refer to page 7 for Circuit Boards Location. EXCEPT SE491 MODEL • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location SVC300 IC401 D401 Q405...
  • Page 13: Schematic Diagram - Surround Section

    STR-DE435/DE535/SE491/V424/V525 3-6. SCHEMATIC DIAGRAM — SURROUND SECTION — • Refer to page 39 for IC Block Diagrams. C419 -5V REG Q422 DTC124ES F.MUTE DE435 : US,CND DE535/V525 MODEL — 19 — — 20 —...
  • Page 14: Printed Wiring Board - Display Section

    STR-DE435/DE535/SE491/V424/V525 3-7. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 7 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D107 C-10 D108 C-10 D110 C-14 D111 B-13 D112 B-13 D113 B-13 D114 B-13 D115 D116...
  • Page 15: Schematic Diagram - Display Section

    STR-DE435/DE535/SE491/V424/V525 3-8. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 37 for IC Pin Functions. • Refer to page 8 for Waveforms. The components identified by Les composants identifiés par mark ! or dotted line with mark une marque ! sont critiques ! are critical for safety.
  • Page 16: Printed Wiring Board - Key Section

    STR-DE435/DE535/SE491/V424/V525 3-9. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 7 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D119 D120 D122 A-10 D123 D124 D125 D126 D127 D128 D129 D130 D131 D132 Q122 A-10...
  • Page 17: Schematic Diagram - Key Section

    STR-DE435/DE535/SE491/V424/V525 3-10. SCHEMATIC DIAGRAM — KEY SECTION — — 27 — — 28 —...
  • Page 18: Printed Wiring Board - Rear Amp Section

    STR-DE435/DE535/SE491/V424/V525 3-11. PRINTED WIRING BOARD — REAR AMP SECTION — • Refer to page 7 for Circuit Boards Location. ,V525 AEP,EE,CIS MODEL T901 POWER TRANS FORMER VOLTAGE SELECTOR CNV903 • Semiconductor Location Ref. No. Location D605 D606 D607 D646 D696...
  • Page 19: Schematic Diagram - Rear Amp Section

    STR-DE435/DE535/SE491/V424/V525 3-12. SCHEMATIC DIAGRAM — REAR AMP SECTION — CNV712 P.AMP BOARD P.AMP BOARD CNP801 CNP802 T4AL 250V: E, MY, SP, AUS, CH TL6.3A 250V: AEP, EE, CIS 6.3A 125V: US, CND 250V AC IN S901 DE535:E MODEL VOLTAGE SELECTOR The components identified by Les composants identifiés par...
  • Page 20: Printed Wiring Board - Power Amp Section

    STR-DE435/DE535/SE491/V424/V525 3-13. PRINTED WIRING BOARD — POWER AMP SECTION — • Refer to page 7 for Circuit Boards Location. US,CND,E • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location...
  • Page 21: Schematic Diagram -power Amp Section

    STR-DE435/DE535/SE491/V424/V525 3-14. SCHEMATIC DIAGRAM —POWER AMP SECTION — C803,C804 F801,F802 EXCEPT CND,AEP,EE,E,CIS/SE491 MY,SP,AUS,E,CH:8.0A 125V ;10000/71V AEP,EE,CIS:TL6.3A 250V CND,SE491/DE535:E;8200/71V AEP,EE,CIS;10000/63V US,CND TO TRANS CNS801 US,CND TO TRANS CNS802 CNP711 The components identified by Les composants identifiés par mark ! or dotted line with mark une marque ! sont critiques ! are critical for safety.
  • Page 22: Ic Pin Function Description

    STR-DE435/DE535/SE491/V424/V525 3-15. IC PIN FUNCTION DESCRIPTION • IC100 uPD780208GF-032-3BA/M62438FP-600D SYSTEM CONTROL (DISPLAY BOARD) Pin No. Pin Name Description Pin No. Pin Name Description VDD.+5V — Power Supply (+5 V). VOL – Volume –. Video IC S1. VOL + Volume +.
  • Page 23 IC301 (SURR BOARD) CXA8079S 47 46 45 44 43 42 41 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 CMODE SMUTE BALCONT N-OH R-RECT COMB-NET VCRX8 VLR-LOG L-B.P.F. L-RECT VREF IC281 (SURR BOARD) NJM2279D IC401 (SURR BOARD) TC9184P 14 13 12 10 9 8...
  • Page 24: Explodeo Views

    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 ! or have some differences from the original one. in the exploded views are not supplied. dotted line with mark ! are critical for safety.
  • Page 25 1-672-997-11 SPK SELECT BOARD * 30 4-982-682-01 CASE (414532) 4-216-924-01 INDICATION PLATE (DE435:US,CND,AUS/DE535:US,CND,E,AUS/SE491/V424) 4-996-698-01 EMBLEM, SONY (EXCEPT V525) X-4947-722-1 CASE ASSY (BLACK) (AEP,MY,SP,EE,CIS) 4-996-698-11 EMBLEM, SONY (V525) X-4947-723-1 CASE ASSY (V525) 4-957-383-01 KNOB (F14) (BLACK) X-4951-513-1 CASE ASSY (SILVER) (AEP)
  • Page 26: Chassis Section

    Ver 1.1 2003.05 4-2. CHASSIS SECTION AEP, E,EE US, CND CIS, MY, SP Q705 Q756 Q707 Q706 Q755 Q757 not supplied not supplied #1 #1 supplied T901 not supplied not supplied supplied — 42 —...
  • Page 27 Ver 1.1 2003.05 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-216-926-01 SUB-CHASSIS A-4419-218-A REAR SPK BOARD, COMPLET 1-672-994-11 HEADPHONE BOARD (DE435:US,CND/SE491) X-4947-124-1 FOOT ASSY (F50150S) (SILVER) (DE435:AEP) A-4419-224-A REAR SPK BOARD, COMPLET X-4947-207-1 FOOT ASSY (F50150S) (BLACK) (DE435:MY,SP,AUS/V424) (DE435:AEP,EE,CIS,MY,SP,AUS/DE535:E,MY,SP,AUS/V424) A-4419-230-A REAR SPK BOARD, COMPLET...
  • Page 28: Electrical Parts List

    BALANCE BRIDGE-A SECTION 5 ELECTRICAL PARTS LIST BRIDGE-B DISPLAY NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
  • Page 29 DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C112 1-164-159-11 CERAMIC 0.1uF CC121 1-162-199-31 CERAMIC 10PF C113 1-124-589-11 ELECT 47uF (EXCEPT DE435:MY,SP/V424) C114 1-164-159-11 CERAMIC 0.1uF CC122 1-162-199-31 CERAMIC 10PF C115 1-104-905-11 CAPACITOR 0.22F 5.5V (EXCEPT DE435:MY,SP/V424) C116 1-164-159-11 CERAMIC...
  • Page 30 DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < FLUORESCENT TUBE > R106 1-247-807-31 CARBON 1/4W R107 1-247-807-31 CARBON 1/4W FL101 1-517-770-11 INDICATOR TUBE, FLUORESCENT R108 1-247-807-31 CARBON 1/4W R109 1-247-807-31 CARBON 1/4W < IC > R110 1-247-807-31 CARBON 1/4W...
  • Page 31 DISPLAY HEADPHONE INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R140 1-249-411-11 CARBON 1/4W < SWITCH > R151 1-249-441-11 CARBON 100K 1/4W R169 1-249-433-11 CARBON 1/4W S142 1-762-196-21 SWITCH, TACT (EXCEPT DE435:US,CND) R181 1-249-412-11 CARBON 1/4W F S142 1-762-875-21 SWITCH, KEYBOARD (DE435:US,CND)
  • Page 32 INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C232 1-162-288-31 CERAMIC 330PF C705 1-102-233-00 CERAMIC 33PF 500V (AEP,EE,CIS) C706 1-162-282-31 CERAMIC 100PF C233 1-102-527-11 CERAMIC 82PF C710 1-162-282-31 CERAMIC 100PF (AEP,EE,CIS) C751 1-126-966-11 ELECT 33uF C234 1-102-852-91 CERAMIC 47PF...
  • Page 33 INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC803 8-759-604-46 IC M5F79M15 R253 1-249-440-11 CARBON 1/4W IC804 8-759-604-35 IC M5F78M05L (DE535/SE491/V525) R254 1-249-408-11 CARBON 1/4W F < JACK > (DE535/SE491/V525) R255 1-249-428-11 CARBON 8.2K 1/4W F J201 1-770-614-11 JACK, PIN 4P (DE535/SE491/V525) (DE535/SE491/V525)
  • Page 34: Input Key

    INPUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R752 1-249-439-11 CARBON 1/4W < RESISTOR > R753 1-249-439-11 CARBON 1/4W R754 1-249-411-11 CARBON 1/4W R141 1-249-411-11 CARBON 1/4W (EXCEPT AEP,EE,CIS) R142 1-249-413-11 CARBON 1/4W F R754 1-249-442-11 CARBON 1/4W R143...
  • Page 35 P. AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks S114 1-762-196-21 SWITCH, TACT (6) C524 1-126-964-11 ELECT 10uF S115 1-762-196-21 SWITCH, TACT (PRESET/PTY SELECT +:DE435/V424) C525 1-136-157-00 FILM 0.022uF (PRESET TUNING +:DE535/SE491/V525) C526 1-136-153-00 FILM 0.01uF S117 1-762-196-21 SWITCH, TACT (CD) (DE435/V424)
  • Page 36 P. AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * CNP801 1-564-243-11 PIN, CONNECTOR 6P < TRANSISTOR > * CNP802 1-564-506-11 PLUG, CONNECTOR 3P Q504 8-729-119-76 TRANSISTOR 2SA1175-HFE CNS102 1-569-932-11 SOCKET, CONNECTOR 15P Q505 8-729-209-15 TRANSISTOR 2SD2012 CNS602 1-569-928-11 SOCKET, CONNECTOR 11P Q506 8-749-010-25 IC MN2488-OPY-M...
  • Page 37 P. AMP REAR AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R529 1-249-432-11 CARBON 1/4W R633 1-249-393-11 CARBON 1/4W F (AEP,EE,CIS) R651 1-215-888-00 METAL OXIDE R529 1-249-433-11 CARBON 1/4W (DE435:US/DE535:US,E) (MY,SP,AUS,CH) R651 1-215-889-00 METAL OXIDE R529 1-247-866-11 CARBON 1/4W...
  • Page 38 Ver 1.1 2003.05 REAR AMP REAR SPK Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C770 1-104-664-11 ELECT 47uF A-4419-218-A REAR SPK BOARD, COMPLETE C771 1-107-597-11 CERAMIC 22PF 500V ************************* C772 1-107-597-11 CERAMIC 22PF 500V (DE435:US,CND/SE491) C773 1-162-286-31 CERAMIC 220PF...
  • Page 39 REAR SPK SPK SELECT STANDBY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > < DIODE > R618 1-249-435-11 CARBON 1/4W D117 8-719-911-19 DIODE 1SS119 (AEP,EE,CIS) D118 8-719-911-19 DIODE 1SS119 R618 1-249-437-11 CARBON 1/4W (EXCEPT AEP,EE,CIS) <...
  • Page 40 SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > C284 1-162-215-31 CERAMIC 47PF (DE435/DE535/V424/V525) IC901 8-759-333-83 IC NJM2103D C285 1-104-664-11 ELECT 47uF (DE435/DE535/V424/V525) <TRANSISTOR > C287 1-164-159-11 CERAMIC 0.1uF (DE435/DE535/V424/V525) Q901 8-729-119-79 TRANSISTOR 2SC2785-FEK C289 1-164-159-11 CERAMIC 0.1uF...
  • Page 41 SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C346 1-126-964-11 ELECT 10uF C467 1-162-199-31 CERAMIC 10PF C347 1-126-964-11 ELECT 10uF C348 1-126-964-11 ELECT 10uF C468 1-126-965-11 ELECT 22uF C349 1-137-358-11 FILM 0.0001uF 5% C469 1-162-199-31 CERAMIC 10PF C350 1-126-961-11 ELECT...
  • Page 42 SURR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > R428 1-249-441-11 CARBON 100K 1/4W R430 1-249-441-11 CARBON 100K 1/4W R219 1-249-417-11 CARBON 1/4W F R431 1-249-429-11 CARBON 1/4W R220 1-249-441-11 CARBON 100K 1/4W R432 1-249-433-11 CARBON 1/4W...
  • Page 43 Ver 1.1 2003.05 VOLTAGE SELECTOR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4419-075-A VOL BOARD, COMPLETE Q755 8-729-209-15 TRANSISTOR 2SD2012 Q756 8-749-010-25 IC MN2488-OPY-M ******************** Q757 8-749-010-26 IC MP1620-OPY-M < CAPACITOR > ! T901 1-433-679-11 TRANSFORMER, POWER (DE435:CND/DE535:CND) C090 1-126-960-11 ELECT...
  • Page 44 STR-DE435/DE535/SE491/V424/V525 Ref. No. Ref. No. Part No. Part No. Description Description Remarks Remarks Ref. No. Ref. No. Part No. Part No. Description Description Remarks Remarks (ENGLISH) (DE535:US,AUS) 3-866-670-21 MANUAL,COMMONNESS INSTRUCTION (ENGLISH,FRENCH,GERMAN,SPANISH,DUTCH) (DE535:CND,E,MY,SP) 3-866-670-41 MANUAL,COMMONNESS INSTRUCTION (ENGLISH,ARABIC,CHINESE)(V525) 4-981-643-11 COVER,BATTERY (FOR RM-JL302)
  • Page 45 STR-DE435/DE535/SE491/V424/V525 MEMO — 61 —...
  • Page 46 STR-DE435/DE535/SE491/V424/V525 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 1999.

This manual is also suitable for:

Str-de535Str-v424Str-v525Str-se491

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