Sony STR-DE485 Service Manual
Fm stereo/fm-am receiver
Hide thumbs
Also See for STR-DE485:
- Operating instructions manual (88 pages) ,
- Service manual (54 pages) ,
- Product information (2 pages)
Table of Contents
Advertisement
STR-DE485/DE485E
SERVICE MANUAL
Ver 1.0 2002. 02
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.
"DTS" and "DTS Digital Surround" are registered
trademarks of Digital Theater Systems, Inc.
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 (STR-DE485 area
code US only).
Amplifier section
POWER OUTPUT
Models of area code US, CND
Rated Power Output at Stereo Mode
(8 ohms 40 Hz – 20 kHz, THD 0.09 %)
STR-DE485:
80 W + 80 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
STR-DE485:
FRONT
1)
CENTER
SURR
1)
: 80 W/ch
Models of area code AEP, UK
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
STR-DE485E
80 W + 80 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
1)
STR-DE485E
FRONT
CENTER
1)
SURR
: 80 W/ch
Sony Corporation
9-873-587-01
2002B0400-1
Home Audio Company
© 2002.02
Published by Sony Engineering Corporation
Photo: STR-DE485
SPECIFICATIONS
: 80 W/ch
1)
: 80 W
2)
: 80 W/ch
1)
: 80 W
Australian Model
Models of other area code
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
80 W + 80 W
2)
Reference Power Output
(8 ohms 1 kHz, THD 10 %)
1)
FRONT
CENTER
1)
SURR
: 100 W/ch
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Measured under the following conditions:
Area code
Power requirements
E, AUS
240 V AC, 50 Hz
SP, AEP, UK
230 V AC, 50 Hz
TW
110 V AC, 60 Hz
MX
120 V AC, 60 Hz
Frequency response
MULTI CH IN
10 Hz – 50 kHz
(STR-DE485 only), CD,
+0.5/–2 dB (with sound
MD/TAPE, DVD/LD,
field, and tone bypassed)
VIDEO 1, 2
Inputs (Analog)
MULTI CH IN
Sensitivity: 250 mV
(STR-DE485 only), CD,
Impedance: 50 kilohms
3)
MD/TAPE, DVD/LD,
S/N
: 96 dB
VIDEO 1, 2
(A, 250 mV
3) INPUT SHORT (with sound field and tone
bypassed).
4) Weighted network, input level.
FM STEREO/FM-AM RECEIVER
US Model
Canadian Model
E Model
Chinese Model
STR-DE485
AEP Model
UK Model
STR-DE485E
2)
: 100 W/ch
1)
: 100 W
4)
)
– Continued on next page –
1
Advertisement
Table of Contents
Related Manuals for Sony STR-DE485
Summary of Contents for Sony STR-DE485
-
Page 1: Service Manual
FRONT : 100 W/ch 0.09 % total harmonic distortion from 250 CENTER : 100 W milliwatts to rated output (STR-DE485 area SURR : 100 W/ch code US only). 1) Depending on the sound field settings and the source, there may be no sound output. - Page 2 SUB WOOFER Voltage: 2 V Impedance: 1 kilohms Power consumption Area code Power consumption Tone US, MX STR-DE485: 180 W Gain levels: ±6 dB, 1 dB step STR-DE485: 260 VA AEP, UK STR-DE485E: 155 W FM tuner section AUS, SP, E...
- Page 3 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU IN SUPPLEMENTS PUBLISHED BY SONY.
-
Page 4: Table Of Contents
STR-DE485/DE485E TABLE OF CONTENTS 1. GENERAL Main unit ................. 5 Remote button description ............6 2. DISASSEMBLY 2-1. Case ..................7 2-2. Front Panel Section ............. 8 2-3. Back Panel ................8 2-4. Digital Board ............... 9 2-5. Standby Board ..............9 2-6. -
Page 5: General
STR-DE485/DE485E SECTION 1 GENERAL This section is extracted from instruction manual. List of Button Locations and Reference Pages Illustration number How to use this page NAME 8 (35) Use this page to find the location of buttons that are mentioned in the text. -
Page 6: Remote Button Description
STR-DE485/DE485E Operations Using the Remote RM-U306 Remote button description Except for STR-DE585 area code CA (continued) You can use the remote RM-U306 to operate the components in your system. Remote Operations Function Button Remote button VIDEO 1 Receiver To watch VCR. -
Page 7: Disassembly
STR-DE485/DE485E SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 2-1. CASE (Page 7) 2-2. FRONT PANEL SECTION 2-3. BACK PANEL (Page 8) (Page 8) 2-4. DIGITAL BOARD (Page 9) 2-5. STANDBY BOARD (Page 9) 2-6. -
Page 8: Front Panel Section
STR-DE485/DE485E 2-2. FRONT PANEL SECTION 3 two screws (BVTP3 x 8) 2 CNP791 5 front panel section 1 CNS4 4 four screws (BVTP3 x 8) 2-3. BACK PANEL qd back panel (HT4) 0 screw (BVTP3 x 8) 9 screw (BVTP3 x 8) -
Page 9: Digital Board
STR-DE485/DE485E 2-4. DIGITAL BOARD 7 DIGITAL board 2 CNP6 3 CNP5 8 screw (BVTP3 x 8) 6 CNS2 5 CNS1 9 bracket (digital) 4 screw (BVTP3 x 8) 1 CNS4 2-5. STANDBY BOARD 4 three screws (BVTP3 x 8) 2 CNP902... -
Page 10: Main Board
STR-DE485/DE485E 2-6. MAIN BOARD 1 CNP801 7 MAIN board 5 screw 2 CNP802 (BVTP3 x 8) 4 two screws (BVTP3 x 8) 3 two screws 6 two screws (BVTP3 x 8) (BVTP3 x 8) -
Page 11: Test Mode
STR-DE485/DE485E SECTION 3 TEST MODE SOFTWARE VERSION DISPLAY MODE FACTORY PRESET MODE * The software version is displayed. * All preset contents are reset to the default setting. * Procedure: * Procedure: While depressing the [ENTER] and the SOUND FIELD [A.F.D.]... -
Page 12: Diagrams
STR-DE485/DE485E SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC1201 CXD9617R (DSP) (DIGITAL Board (1/2)) Pin No. Pin Name Description — Ground XRST Reset signal input EXTIN Not used (connected to ground) Not used (connected to ground) VDDI Power supply... - Page 13 STR-DE485/DE485E Pin No. Pin Name Description BOOT Not used (connected to ground) BTACT Not used (open) Boot stop signal input MOD1 Operation mode signal input (L : 386fs, H : 256fs) MOD0 Operation mode signal input (L : single chip mode, H : use prohibited)
- Page 14 STR-DE485/DE485E • IC1601 MB90478PF-G-120-BND (SYSTEM CONTROL) (DIGITAL Board (2/2)) Pin No. Pin Name Description DATAO Serial data input for DIR Decode signal input Boot stop signal output to DSP Chip select signal output to DSP HACN Acknowledge signal input for DSP...
-
Page 15: Circuit Boards Location
STR-DE485/DE485E 4-2. CIRCUIT BOARDS LOCATION Pin No. Pin Name Description POWER KEY Detect power switch key JOG (B) Jog encoder signal input (Not used) JOG (A) Jog encoder signal input (Not used) AC SELECT board VOL (B) Volume encoder signal input... -
Page 16: Block Diagram - Tuner/Audio Section
STR-DE485/DE485E 4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION — FUNCTION SELECT TM301 IC201 FM/AM TUNER UNIT J402 (2/2) TU+10V R-CH +10V MD/TAPE IN 8 LREC 3 L CH FM 75Ω COAXIAL R CH R-CH J402 (1/2) J404 (2/2) ANTENNA IN 9... -
Page 17: Block Diagram - Digital Section
STR-DE485/DE485E 4-4. BLOCK DIAGRAM — DIGITAL SECTION — CODEC IC1501 IC1201 L IN- AUDIO SDTO SDTI1 LOUT1 DSI1 SD01 DLIN L IN+ L-IN (1/2) TUNER/ SDTI2 SD02 24 AUDIO LOUT 3 AUDIO DCIN SECTION SDTI3 TUNER/ SD03 25 (2/2) R-IN... -
Page 18: Block Diagram - Video/Display Section
STR-DE485/DE485E 4-5. BLOCK DIAGRAM — VIDEO/DISPLAY SECTION — VIDEO SELECTOR IC103 J201 (1/2) VIDEO VIDEO 1 J201 (2/2) M.OUT J200 (1/2) VIDEO MONITOR VIDEO VIDEO 2 J200 (2/2) V1.OUT VIDEO VIDEO VIDEO 1 DVD/LD IC807 FL101 FLUORESCENT INDICATOR IC804 TUBE... -
Page 19: Block Diagram - Power Section
STR-DE485/DE485E 4-6. BLOCK DIAGRAM — POWER SECTION — J791 PHONES PRE DRIVER R-CH IC701 TM602 +VOUT2 IN 2 FL-CH DRIVE -VOUT2 DRIVE POWER AMP Q701-704 RELAY FR-CH R-CH CURRENT OVERLOAD DRIVER FRONT R-CH DETECT DETECT Q790 -BB +B RY791 Q705,706... - Page 20 STR-DE485/DE485E • Waveform (DIGITAL Board) THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. 1V/DIV 50nsec/DIV (In addition to this, the necessary note is printed in each block.) 3.4Vp-p for schematic diagram: for printed wiring boards: • All capacitors are in µF unless otherwise noted. pF: µµF •...
-
Page 21: Printed Wiring Boards - Main Section
STR-DE485/DE485E 4-7. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. J402 J403 J401 J404 J405 (Page 28) TM601 TM602 CC18 CC19 R411... -
Page 22: Schematic Diagram - Main Section (1/2)
STR-DE485/DE485E 4-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 20 for Common Note on Schematic Diagram. C481 C491 C483 C493 J404 CC07 R407 C407 R427 R447 CC57 R457 C457 C492 R373 R406 C406 Q361 R426 R361... -
Page 23: Schematic Diagram - Main Section (2/2)
STR-DE485/DE485E 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 20 for Common Note on Schematic Diagram and page 34 for IC Block Diagrams. CNP791 Q747 CN792 C792 C790 IC B/D R792 RY791 R723 J791 C717 R719... -
Page 24: Printed Wiring Board - Digital Section (1/2)
STR-DE485/DE485E 4-10. PRINTED WIRING BOARD — DIGITAL SECTION (1/2) — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. • Semiconductor Location Ref. No. Location D1001 G-10 D1101 F-10 D1601... -
Page 25: Printed Wiring Board - Digital Section (2/2)
STR-DE485/DE485E 4-11. PRINTED WIRING BOARD — DIGITAL SECTION (2/2) — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. • Semiconductor Location Ref. No. Location (Page 32) (Page 21) (Page 28) -
Page 26: Schematic Diagram - Digital Section (1/2)
STR-DE485/DE485E 4-12. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) — • Refer to page 20 for Common Note on Schematic Diagram and Waveform and page 34 for IC Block Diagrams. C1129 C1111 FB1102 (Page 27) C1112 R1115 IC B/D FB1202 FB1201... -
Page 27: Schematic Diagram - Digital Section (2/2)
STR-DE485/DE485E 4-13. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) — • Refer to page 20 for Common Note on Schematic Diagram and Waveform. CNP5 (Page 33) R1688 CNP6 D1907 IC1904 L1901 IC1903 D1906 D1905 IC1901 (Page 22) C1908 C1906 C1912 C1905... -
Page 28: Printed Wiring Board - Video Section
STR-DE485/DE485E 4-14. PRINTED WIRING BOARD — VIDEO SECTION — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. • Semiconductor Location Ref. No. Location D203 D204 IC103 IC804 E-10 IC807... -
Page 29: Schematic Diagram - Video Section
STR-DE485/DE485E 4-15. SCHEMATIC DIAGRAM — VIDEO SECTION — • Refer to page 20 for Common Note on Schematic Diagram and page 34 for IC Block Diagrams. J201 R201 C208 C214 R219 R220 C201 C210 C209 C200 J200 R200 IC B/D... -
Page 30: Printed Wiring Boards - Display Section
STR-DE485/DE485E 4-16. PRINTED WIRING BOARDS — DISPLAY SECTION — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. D102 S131 S116 S108 JW111 C114 R132 C151 C115 R116 C156 R153... -
Page 31: Schematic Diagram - Display Section
STR-DE485/DE485E 4-17. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 20 for Common Note on Schematic Diagram. R101 R102 R103 R104 R105 R106 R107 R108 R109 S100 S101 S102 S103 S104 S105 S106 S107 S108 S109 Q111 D113... -
Page 32: Printed Wiring Boards - Power Section
STR-DE485/DE485E 4-18. PRINTED WIRING BOARDS — POWER SECTION — • Refer to page 15 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. (Page 21) (Page 21) (Page 25) (Page 21) • Semiconductor Location Ref. No. -
Page 33: Schematic Diagram - Power Section
STR-DE485/DE485E 4-19. SCHEMATIC DIAGRAM — POWER SECTION — • Refer to page 20 for Common Note on Schematic Diagram. T901 CNP910 CNP907 JW799 (Page 22) S901 (Page 22) CNP903 CNP902 CNP905 R810 D820 D823 C815 Q901 F901 R812 C813 C816... -
Page 34: Ic Block Diagrams
STR-DE485/DE485E 4-20. IC BLOCK DIAGRAMS IC501 STK350-230 (MAIN BOARD (2/2)) IC1501 AK4527 (DIGITAL BOARD (1/2)) DRIVER AUDIO MCLK 33 DZF2 7 8 9 32 RIN+ SDOS SDOUT 31 RIN- 30 LIN+ FORMAT 29 LIN- CONVERTER S.MUTE BCLK DATT 28 ROUT1... -
Page 35: Exploded Views
STR-DE485/DE485E SECTION 5 EXPLODED VIEWS NOTE: The components identified by mark 0 or • The mechanical parts with no reference • -XX and -X mean standardized parts, so dotted line with mark 0 are critical for number in the exploded views are not supplied. -
Page 36: Front Panel Section
STR-DE485/DE485E 5-2. FRONT PANEL SECTION supplied with RV102 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4954-423-1 PANEL ASSY, FRONT (BLACK) (CND) 1-773-250-11 WIRE (FLAT TYPE) (27 CORE) X-4954-424-1 PANEL ASSY, FRONT (BLACK) (MX) 1-683-763-11 HEADPHONE BOARD... -
Page 37: Chassis Section-1
STR-DE485/DE485E 5-3. CHASSIS SECTION-1 not supplied TM301 not supplied not supplied The components identified by Les composants identifiés par mark 0 or dotted line with mark une marque 0 sont critiques 0 are critical for safety. pour la sécurité. Replace only with part number Ne les remplacer que par une specified. -
Page 38: Chassis Section-2
STR-DE485/DE485E 5-4. CHASSIS SECTION-2 Q603 Q604 Q754 Q753 Q654 Q653 Q704 Q703 Q504 Q503 F901 not supplied not supplied T901 not supplied The components identified by Les composants identifiés par mark 0 or dotted line with mark une marque 0 sont critiques 0 are critical for safety. -
Page 39: Electrical Parts List
STR-DE485/DE485E SECTION 6 AC SELECT DIGITAL ELECTRICAL PARTS LIST NOTE: The components identified by mark 0 or • Due to standardization, replacements in • SEMICONDUCTORS dotted line with mark 0 are critical for the parts list may be different from the In each case, u : µ, for example:... - Page 40 STR-DE485/DE485E DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1513 1-164-156-11 CERAMIC CHIP 0.1uF CNS3 1-784-923-11 PIN, CONNECTOR 7P C1514 1-164-156-11 CERAMIC CHIP 0.1uF CNS4 1-569-312-11 SOCKET, CONNECTOR (L TYPE) 27P C1515 1-126-964-11 ELECT 10uF...
- Page 41 STR-DE485/DE485E DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JUMPER RESISTOR > R1209 1-216-809-11 METAL CHIP 1/16W R1210 1-216-833-11 METAL CHIP 1/16W JR1103 1-216-864-11 METAL CHIP 1/16W R1212 1-216-809-11 METAL CHIP 1/16W JR1104 1-216-864-11 METAL CHIP...
- Page 42 STR-DE485/DE485E DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1613 1-216-821-11 METAL CHIP 1/16W R1669 1-216-829-11 METAL CHIP 4.7K 1/16W R1614 1-216-821-11 METAL CHIP 1/16W R1670 1-216-833-11 METAL CHIP 1/16W R1615 1-216-821-11 METAL CHIP 1/16W...
- Page 43 STR-DE485/DE485E DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4727-822-A DISPLAY BOARD, COMPLETE (US,AUS,SP,TW) D113 8-719-046-39 LED SEL5821A-TP15 (SET UP) A-4727-847-A DISPLAY BOARD, COMPLETE D114 8-719-046-39 LED SEL5821A-TP15 (NAME) (EXCEPT US,AUS,SP,TW) < FLUORESCENT INDICATOR >...
- Page 44 STR-DE485/DE485E DISPLAY HEADPHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R123 1-249-413-11 CARBON 1/4W S107 1-771-410-21 SWITCH, TACTILE (SET UP) R124 1-249-415-11 CARBON 1/4W S108 1-771-410-21 SWITCH, TACTILE (VIDEO 1) R125 1-249-417-11 CARBON 1/4W S109...
- Page 45 STR-DE485/DE485E MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4727-811-A MAIN BOARD, COMPLETE (US) C483 1-126-964-11 ELECT 10uF A-4727-836-A MAIN BOARD, COMPLETE (CND) C484 1-126-964-11 ELECT 10uF A-4727-848-A MAIN BOARD, COMPLETE (AEP,UK) C485 1-126-964-11 ELECT...
- Page 46 STR-DE485/DE485E MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C669 1-162-815-11 CERAMIC 47PF 500V C822 1-126-947-11 ELECT 47uF C670 1-128-813-11 CERAMIC 220PF C830 1-164-159-11 CERAMIC 0.1uF C680 1-126-964-11 ELECT 10uF C901 1-164-159-11 CERAMIC 0.1uF C681 1-127-876-11 CERAMIC 0.01uF...
- Page 47 STR-DE485/DE485E MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D804 8-719-118-63 DIODE RD5.6F-T7B2 Q640 8-729-281-53 TRANSISTOR 2SC1815-GR D896 8-719-043-76 DIODE AK04V0 Q651 8-729-119-76 TRANSISTOR 2SA1175-HFE D902 8-719-024-99 DIODE 11ES2-NTA2B Q652 8-729-141-30 TRANSISTOR 2SC3623A-LK D903 8-719-024-99 DIODE 11ES2-NTA2B...
- Page 48 STR-DE485/DE485E MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R408 1-249-417-11 CARBON 1/4W R514 1-249-405-11 CARBON 1/4W R409 1-249-417-11 CARBON 1/4W R515 1-249-405-11 CARBON 1/4W R411 1-249-417-11 CARBON 1/4W R516 1-233-352-41 COMPONENT, ENCAPSULATED 0.22X2 R412...
- Page 49 STR-DE485/DE485E MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R663 1-249-414-11 CARBON 1/4W R744 1-249-433-11 CARBON 1/4W R664 1-249-405-11 CARBON 1/4W R745 1-249-433-11 CARBON 1/4W R665 1-249-405-11 CARBON 1/4W R746 1-249-433-11 CARBON 1/4W R666 1-233-352-41 COMPONENT, ENCAPSULATED 0.22X2...
- Page 50 STR-DE485/DE485E MAIN POWER SW STANDBY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TERMINAL BOARD > < DIODE > TM601 1-537-510-11 TERMINAL BOARD (6P) (SPEAKERS D820 8-719-024-99 DIODE 11ES2-NTA2B SURROUND/CENTER) D821 8-719-024-99 DIODE 11ES2-NTA2B TM602...
- Page 51 STR-DE485/DE485E VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4727-815-A VIDEO BOARD, COMPLETE (US) MISCELLANEOUS A-4727-840-A VIDEO BOARD, COMPLETE (CND,MX) *************** A-4727-849-A VIDEO BOARD, COMPLETE (AEP,UK,E,CH,AR) A-4727-968-A VIDEO BOARD, COMPLETE (AUS,SP,TW) 1-773-250-11 WIRE (FLAT TYPE) (27 CORE)
- Page 52 STR-DE485/DE485E Ref. No. Part No. Description Remark ACCESSORIES ************ 1-477-204-11 REMOTE COMMANDER (RM-U306) 1-501-374-11 ANTENNA, LOOP (AM) 1-501-594-11 ANTENNA (FM) (AEP,UK,AUS,CH,SP,AR) 1-569-008-21 ADAPTOR, CONVERSION 2P (E) 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK) 1-793-184-21 CONNECTOR (F TYPE ADAPTOR) (US,CND,E,MX,TW) 4-228-696-01 COVER, BATTERY (for RM-U306)
- Page 53 STR-DE485/DE485E MEMO...
- Page 54 STR-DE485/DE485E 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...