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SERVICE MANUAL
Ver 1.0 2001. 03
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
US, Canadian MODELS
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
Surround
Sony Corporation
9-873-845-11
2001C1600-1
Audio Entertainment Group
© 2001.3
General Engineering Dept.
Photo : GOLD
SPECIFICATIONS
AEP, UK MODEL :
Rated Power Output at Stereo mode
Reference Power Output
Chinese MODEL :
Rated Power Output at Stereo mode
Reference Power Output
Rated Power Output at Stereo mode
: 100 W
1)
: 100 W/ch
STR-DE675
Reference Power Output
(8 ohms 1 Hz, THD
0.7%)
100 W + 100 W
Others :
(8 ohms 1 kHz, THD
Rated Power Output at Stereo mode
0.7%)
Front : 100 W/ch
Center : 100 W
Surround : 100 W/ch
Reference Power Output
(8 ohms 1 Hz, THD
0.7%)
90 W + 90 W
1) Depending on the sound field settings and
(at 220 V AC, 50 Hz)
sources, there may be no sound output.
100 W + 100 W
(at 110 V AC, 50 Hz)
Frequency response
(8 ohms 1 kHz, THD
10% at 230 V AC, 50 Hz)
Front : 100 W/ch
Center : 100 W
Surround : 100 W/ch
(8 ohms 1 Hz, THD
0.7%)
100 W + 100 W
(at 110 V AC, 50 Hz)
FM STEREO FM-AM RECEIVER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
(8 ohms 1 kHz, THD
10% at 110 V AC, 50 Hz)
Front : 100 W/ch
Center : 100 W
Surround : 100 W/ch
(8 ohms 1 Hz, THD 0.7%)
100 W + 100 W
(8 ohms 1 kHz, THD 10%)
Front : 110 W/ch
Center : 110 W
Surround : 110 W/ch
MULTI CH IN, CD,
MD/TAPE, DVD/
LD, TV/SAT,
VIDEO 1**,
VIDEO 2**, AUX:
10 Hz - 50 kHz +0.5/
–2 dB (with sound
field and equalizer
bypassed)
— Continued on next page —

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Summary of Contents for Sony STR-DE675

  • Page 1 STR-DE675 SERVICE MANUAL US Model Canadian Model Ver 1.0 2001. 03 AEP Model UK Model E Model Australian Model Chinese Model Photo : GOLD Dolby Laboratories Licensing Corporation. “DOLBY” the double-D symbol ; “AC-3” and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation.
  • Page 2 STR-DE675 Inputs (Analog) Power consumption AM tuner section MULTI CH IN, CD, 220W US MODEL : DVD/LD, MD/ US, Canadian MODELS : In standby condition: 1 W With 10-kHz tuning TAPE, TV/SAT, Tuning range Canadian MODEL : scale: 530 - 1710 kHz...
  • 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-DE675 TABLE OF CONTENTS 1. GENETAL ··········································································· 5 2. TEST MODE ······································································ 7 3. DIAGRAMS 3-1. Circuit Boards Location ............. 9 3-2. Block Diagrams ..............10 • Main Section ..............10 • Power Section ..............11 3-3. Printed Wiring Board – Digital Section – ......12 3-4.
  • Page 5: Genetal

    STR-DE675 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-DE675 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-DE675 SECTION 2 TEST MODE FACTORY PRESET MODE 3. Press the VIDEO 1 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 1 and the 2CH buttons simul- taneously, press the power ?/1 button to turn on the main power.
  • Page 8 STR-DE675 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-DE675 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: IMPEDANCE SELECT board (US, Canadian model) •...
  • Page 10: Block Diagrams

    STR-DE675 3-2. BLOCK DIAGRAMS – MAIN SECTION – ANALOG SOUND — TM301 — PROC. TUNER UNIT IC201 75 Ω L CH L IN8 COAXIAL SYSTEM CONTROL. R CH R-CH IC1601(1/3) ANTENNA J402 DATA SDATA L IN9 L OUT CLOCK SCLK...
  • Page 11: Power Section

    STR-DE675 – 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-DE675 • See page 9 for Circuit Boards Location. 3-3. PRINTED WIRING BOARD – DIGITAL SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. OPTICAL IC1104 IC1105 IC1106 IC1107 • Semiconductor Location Ref.
  • Page 13: Schematic Diagram - Digital Section (1/3)

    STR-DE675 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-DE675 • See page 9 for Waveform. 3-5. SCHEMATIC DIAGRAM – DIGITAL SECTION (2/3) –...
  • Page 15: Schematic Diagram - Digital Section (3/3)

    STR-DE675 3-6. SCHEMATIC DIAGRAM – DIGITAL SECTION (3/3) – • See page 9 for Waveform. • See page 26 for IC Block Diagrams. • See page 27 for IC Pin Function.
  • Page 16: Printed Wiring Board - Main Section

    STR-DE675 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. (Page 12) IC807 IC801 IC201 (Page 12)
  • Page 17: Schematic Diagram - Main Section (1/3)

    STR-DE675 3-8. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • See page 26 for IC Block Diagrams.
  • Page 18: Schematic Diagram - Main Section (2/3)

    STR-DE675 3-9. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –...
  • Page 19: Schematic Diagram - Main Section (3/3)

    STR-DE675 3-10. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – F901 US,CND,E,TW,MX,CH JW902 F902 T2.5AL/250V AEP, 1 F901 6.3A/125V(US,CND,TW,MX) T2.5AL/250V(EXCEPT US,CND,TW,MX)
  • Page 20: Printed Wiring Board - Display Section

    STR-DE675 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. IC102 IC101 (Page 12) • Semiconductor Location Ref.
  • Page 21: Schematic Diagram - Display Section

    STR-DE675 3-12. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 26 for IC Block Diagrams.
  • Page 22: Printed Wiring Board - Video Section

    STR-DE675 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) • Semiconductor Location Ref.
  • Page 23: Schematic Diagram - Video Section

    STR-DE675 3-14. SCHEMATIC DIAGRAM – VIDEO SECTION – • See page 26 for IC Block Diagrams. US,CND,MX...
  • Page 24: Schematic Diagram - Trans Section

    STR-DE675 3-15. PRINTED WIRING BOARD – TRANS 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) 240Vt220Vt120V (Page 16) (Page 16)
  • Page 25: Ic Block Diagrams

    STR-DE675 3-16. IC BLOCK DIAGRAMS IC1101 LC89056W-E (DIGITAL BOARD) AUDIO C BIT PA/PB DETECT DETECT EMPHA SAMPLING FREQUENCY MICROCOMPUTER INTERFACE XSEL XOUT LOCK CLOCK DETECT XMCK 19 DVDD MODE0 MODE 18 DGND SELECT MODE1 XSTATE DGND DATAO DVDD LRCK DOSEL0...
  • Page 26 STR-DE675 IC1605 NJM2103M-TE2 (DIGITAL BOARD) IC501 STK350-230 (MAIN BOARD) RESET INPUT – + VREF + – -VEOUT OUTC VSB/SESIN +VEOUT – – IC701 µPC2581V (MAIN BOARD) IC101 TC74VHC08AF(EL) (DISPLAY BOARD) IC702 µPC2581V (MAIN BOARD) BIAS CIRCUIT PROTECTOR REG DRIVE DRIVE...
  • Page 27: Ic Pin Function Description

    STR-DE675 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-DE675 Pin No. Pin Name Description — Operation mode setting input RDS CLOCK RDS clock signal input RDS DATA RDS data signal input SIRCS Data signal input from the remote control sensor SLEEP Not used POWER KEY Power switch key detect signal input...
  • Page 29: Explodeo Views

    STR-DE675 SECTION 4 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Accessories and packing materials are given in The components identified by mark 0 or have some differences from the original one. the last of this parts list.
  • Page 30: Chassis Section

    STR-DE675 4-2. CHASSIS SECTION #1 #1 #1 #1 not supplied not supplied T901 not supplied not supplied not supplied not supplied...
  • Page 31 STR-DE675 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-232-237-01 FOOT (DIA. 30) 4-232-251-11 BACK PANEL (DE6)(CND) 4-233-263-01 SUB MOLD (DE9) 4-232-251-21 BACK PANEL (DE6)(E) A-4475-797-A MAIN BOARD, COMPLETE (US) 4-232-251-31 BACK PANEL (DE6)(AEP) A-4475-874-A MAIN BOARD, COMPLETE (CND)
  • Page 32: Electrical Parts List

    STR-DE675 SECTION 5 AC SELECT 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.
  • Page 33 STR-DE675 DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1313 1-163-259-91 CERAMIC CHIP 220PF 5.00% 50V < CONNECTOR > C1501 1-162-965-11 CERAMIC CHIP 0.0015uF 10% C1502 1-126-965-11 ELECT 22uF 20.00% 50V * CNP5 1-564-720-11 PIN, CONNECTOR (SMALL TYPE) 4P...
  • Page 34 STR-DE675 DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC1603 8-759-491-33 IC TC74VHCT08AF (EL) R1118 1-216-115-00 METAL CHIP 560K 1/10W IC1605 8-759-544-04 IC NJM2103M-TE2 R1119 1-216-081-00 METAL CHIP 1/10W IC1901 8-759-647-10 IC uPC2933HF R1120 1-216-025-11 RES-CHIP...
  • Page 35 STR-DE675 DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1557 1-216-065-00 RES-CHIP 4.7K 1/10W R1653 1-216-073-00 METAL CHIP 1/10W R1600 1-216-065-00 RES-CHIP 4.7K 1/10W R1654 1-216-073-00 METAL CHIP 1/10W R1601 1-216-049-11 RES-CHIP 1/10W R1655 1-216-073-00 METAL CHIP...
  • Page 36: Digital Display

    STR-DE675 DIGITAL DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1902 1-220-753-11 CEMENTED < FILTER > < VIBRATOR > FL101 1-518-718-11 INDICATOR TUBE, FLUORESCENT X1101 1-781-465-21 VIBRATOR, CRYSTAL 12.288MHz < IC > X1201 1-795-264-21 VIBRATOR, CERAMIC 13.5 MHz X1301 1-579-900-21 VIBRATOR, CRYSTAL 4.33MHz (AEP,UK)
  • Page 37 STR-DE675 DISPLAY HEADPHONE IMPEDANCE SELECT MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R146 1-249-421-11 CARBON 2.2K 1/4W F < CONNECTOR > R147 1-249-409-11 CARBON 1/4W F R148 1-249-421-11 CARBON 2.2K 1/4W F CNP791 1-691-766-11 PLUG (MICRO CONNECTOR) 4P...
  • Page 38 STR-DE675 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C401 1-126-964-11 ELECT 10uF 20.00% 50V C501 1-126-963-11 ELECT 4.7uF 20.00% 50V C402 1-126-964-11 ELECT 10uF 20.00% 50V C503 1-104-665-11 ELECT 100uF 20.00% 10V C403 1-126-964-11 ELECT 10uF 20.00% 50V...
  • Page 39 STR-DE675 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C761 1-136-157-00 FILM 0.022uF 5.00% 50V CC56 1-128-809-11 CERAMIC 100PF C770 1-128-813-11 CERAMIC 220PF (EXCEPT US,CND) C800 1-162-302-11 CERAMIC 0.0022uF 20.00% 16V CC57 1-128-809-11 CERAMIC 100PF...
  • Page 40 STR-DE675 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC803 8-759-647-10 IC uPC2933HF Q710 8-729-119-79 TRANSISTOR 2SC2785TP-FEK IC804 8-759-701-65 IC NJM79M05FA Q722 8-729-140-84 TRANSISTOR 2SC1841TP-PAFAEA IC806 8-759-376-91 IC uPC78M12AHF Q723 8-729-119-79 TRANSISTOR 2SC2785TP-FEK IC807 8-759-039-69 IC uPC7805AHF...
  • Page 41 STR-DE675 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R422 1-249-437-11 CARBON 1/4W R533 1-249-437-11 CARBON 1/4W 0 R534 R423 1-249-437-11 CARBON 1/4W 1-249-389-11 CARBON 1/4W F R424 1-249-437-11 CARBON 1/4W R540 1-247-866-11 CARBON 1/4W...
  • Page 42 STR-DE675 MAIN POWER SWITCH Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R696 1-249-429-11 CARBON 1/4W R772 1-249-419-11 CARBON 1.5K 1/4W F R697 1-249-441-11 CARBON 100K 1/4W R773 1-249-437-11 CARBON 1/4W R698 1-249-429-11 CARBON 1/4W R775...
  • Page 43 STR-DE675 STBY S-VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4475-803-A STBY BOARD, COMPLETE (US,CND) < JACK > ********************* 0 J911 A-4475-887-A STBY BOARD, COMPLETE (AEP,UK,MY,SP) 1-785-834-11 OUTLET (1P)(AC OUTLET)(EXCEPT KR,AUS) 0 J911 ********************* 1-251-417-11 OUTLET, A.C. (AC OUTLET) (AUS)
  • Page 44 STR-DE675 S-VIDEO VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > < CONNECTOR > D1801 8-719-070-30 DIODE PTZ-TE25-5.6A CNS150 1-568-439-11 SOCKET, CONNECTOR 7P D1802 8-719-016-74 DIODE 1SS352-TPH3 CNS151 1-569-315-11 SOCKET, CONNECTOR 5P D1803...
  • Page 45 STR-DE675 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks ACCESSORIES & PACKING MATERIALS ******************************** 1-501-374-11 ANTENNA, LOOP (AM) 1-793-184-21 CONNECTOR (F TYPE ADAPTOR) 3-866-670-11 MANUAL,COMMONNESS INSTRUCTION (ENGLISH)(US,UK,AUS) 3-866-670-21 MANUAL,COMMONNESS INSTRUCTION (ENGLISH, FRENCH, GERMAN, SPANISH,DUTCH, PORTUGUESE, SWEDISH, ITALIAN, CHINESE)
  • Page 46 STR-DE675 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...

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