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Sony STR-DH540 Service Manual
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Sony STR-DH540 Service Manual

Multi channel av receiver
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SERVICE MANUAL
Ver. 1.3 2014.11
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS**
Digital Surround System.
*
Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, and
the double-D symbol are trademarks of Dolby Laboratories.
** Manufactured under license under U.S. Patent Nos: 5,956,674; 5,974,380;
6,226,616; 6,487,535; 7,212,872; 7,333,929; 7,392,195; 7,272,567 & other U.S.
and worldwide patents issued & pending. DTS-HD, the Symbol, & DTS-
HD and the Symbol together are registered trademarks of DTS, Inc. Product
includes software. © DTS, Inc. All Rights Reserved.
This receiver incorporates High-Definition Multimedia Interface (HDMI™)
technology. The terms HDMI and HDMI High-Definition Multimedia Interface,
and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing
LLC in the United States and other countries.
iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks of Apple Inc.,
registered in the U.S. and other countries.
All other trademarks and registered trademarks are of their respective holders. In
this manual, ™ and ® marks are not specified.
"Made for iPod" and "Made for iPhone" mean that an electronic accessory has
been designed to connect specifically to iPod or iPhone, respectively, and has been
certified by the developer to meet Apple performance standards.
Apple is not responsible for the operation of this device or its compliance with
safety and regulatory standards. Please note that the use of this accessory with iPod
or iPhone may affect wireless performance.
Windows Media is either a registered trademark or trademark of Microsoft
Corporation in the United States and/or other countries.
This product is protected by certain intellectual property rights of Microsoft
Corporation. Use or distribution of such technology outside of this product is
prohibited without a license from Microsoft or an authorized Microsoft subsidiary.
MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS
and Thomson.
"x.v.Color (x.v.Colour)" and "x.v.Color (x.v.Colour)" logo are trademarks of Sony
Corporation.
"BRAVIA" is a trademark of Sony Corporation.
"PlayStation" is a registered trademark of Sony Computer Entertainment Inc.
"WALKMAN" is a registered trademark of Sony Corporation.
MICROVAULT is a trademark of Sony Corporation.
InstaPrevue™ is a trademark or registered trademark of Silicon Image, Inc. in the
United States and other countries.
9-890-614-04
Sony Corporation
2014K80-1
©
2014.11
Published by Sony EMCS (Malaysia) PG Tec
STR-DH540
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
(US model only)
With 6 ohm loads, both channels driven, from 20 – 20,000 Hz; rated 90
watts per channel minimum RMS power, with no more than 0.09% total
harmonic distortion from 250 milliwatts to rated output.
Amplifi er section
Power Output
1)
Minimum RMS Output Power
Stereo Mode Output Power
Surround Mode Output Power
2)
MULTI CHANNEL AV RECEIVER
US Model
Canadian Model
AEP Model
UK Model
Australian Model
(6 ohms, 20 Hz – 20 kHz, THD 0.09%)
90 W + 90 W
(6 ohms, 1 kHz, THD 1%)
105 W + 105 W
(6 ohms, 1 kHz, THD 0.9%)
145 W per channel
– Continued on next page –

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  • Page 1 Microsoft or an authorized Microsoft subsidiary. MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson. “x.v.Color (x.v.Colour)” and “x.v.Color (x.v.Colour)” logo are trademarks of Sony Corporation. “BRAVIA” is a trademark of Sony Corporation.
  • Page 2 STR-DH540 Ver. 1.1 Measured under the following conditions: General Area Power requirements Power requirements US, CND 120 V AC, 60 Hz Area Power requirements AEP, UK, AUS 230 V AC, 50 Hz US, CND 120 V AC, 60 Hz AEP, UK 230 V AC, 50/60 Hz Reference power output for front, center and surround speakers.

  • Page 3: Table Of Contents

    PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- 6-4. Back Panel Section ............64 TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE 6-5. Chassis Section ............... 65 PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS ELECTRICAL PARTS LIST ......66...

  • Page 4: Servicing Notes

    STR-DH540 SECTION 1 Ver. 1.3 SERVICING NOTES MODEL IDENTIFICATION NOTE OF REPLACING THE IC3506 AND IC4100 ON –BACK PANEL– THE DIGITAL BOARD IC3506 and IC4100 on the DIGITAL board cannot exchange with single. When these parts on the DIGITAL board are damaged, exchange the entire mounted board.

  • Page 5: Disassembly

    STR-DH540 SECTION 2 DISASSEMBLY Note: This set can be disassemble according to the following sequence. 2-1. CASE (ENTRY) (Page 5) 2-2. FRONT PANEL SECTION 2-3. DCDC BOARD, STANDBY BOARD (Page 6) (Page 7) 2-4. BACK PANEL SECTION (Page 8) 2-5. MAIN BOARD SECTION (Page 8) 2-6.

  • Page 6: Front Panel Section

    STR-DH540 2-2. FRONT PANEL SECTION pin, lead heat sink front side 1 Wire is removed USB WIRE INSULATION PC board from the pin, lead. front panel section 2 CN4000 (5P) 5 CN391 (4P) cushion (R) wire (flat type) (25 core) (CN2101)

  • Page 7: Dcdc Board, Standby Board

    STR-DH540 2-3. DCDC BOARD, STANDBY BOARD DCDC board back panel 9 bracket, DCDC 2 cushion (R) Note: Process so that lead wire Note: Process so that lead wire does not contact with does not contact with 8 two screws 1 one screw power cord.

  • Page 8: Back Panel Section

    STR-DH540 2-4. BACK PANEL SECTION 5 five screws (+BVTP 3 7 back panel section 6 eight screws (+BVTP 3 wire (flat type) (25 core) (CN2014) wire (flat type) (17 core) (CN2011) wire (flat type) (25 core) (CN2015) CN2004 (2P) 2-5.

  • Page 9: Main Board

    STR-DH540 2-6. MAIN BOARD Note: This illustration sees the MAIN board from back side. 3 heat sink section 4 MAIN board 1 Remove the thirty solders. 2 two screws (+BVTP 3...

  • Page 10: Test Mode

    STR-DH540 SECTION 3 TEST MODE TUNER AM STEP CHANGE MODE KEY CHECK MODE Each button can be checked. (US and Canadian models only) Either the 9 kHz step or 10 kHz step can be selected for the AM Procedure: channel step.
  • Page 11 STR-DH540 HISTORY MODE USB UPDATE TEST MODE The state that the set is used is memorized. To update micontroller software through USB. Procedure: Procedure: 1. While pressing [TUNING MODE] and [DISPLAY] buttons si- 1. Plug in USB device in power off condition.
  • Page 12 STR-DH540 Ver. 1.3 FIX MODEL AND DESTINATION MODE 12. Either one of the display below appears according to the destination of the set. This mode is to fix the set for model & destination. When turning on the set, the message below appears if the setting...

  • Page 13: Fm Tuner Check

    STR-DH540 SECTION 4 FM TUNER CHECK FM AUTO STOP CHECK generator OUT (75 Ω) Procedure: 1. Turn on the set. 2. Input the following signal from Signal Generator to FM antenna input directly. * Carrier Frequency: A=87.5 MHz, B=98 MHz, C=108 MHz...

  • Page 14: Diagrams

    STR-DH540 SECTION 5 DIAGRAMS • Circuit Boards Location DCDC board MAIN board STANDBY board DIGITAL board POWER KEY board TUNER1 board HEADPHONE board FRONT JACK PWB board DISPLAY board...

  • Page 15: Block Diagram - Analog Audio Section

    STR-DH540 Ver. 1.2 5-1. BLOCK DIAGRAM – ANALOG AUDIO Section – DIR FUNCTION SELECT IC400 J402 (1/2) INL11 AUDIO TV IN INR11 DIGITAL ADCLOUT L-IN SECTION J401 ADCROUT (Page 16) INL7 AUDIO SA-CD/CD IN INR7 INL9 AUDIO VIDEO IN INR9...

  • Page 16: Block Diagram - Digital Section

    STR-DH540 Ver. 1.1 5-2. BLOCK DIAGRAM – DIGITAL Section – D/A CONVERTER IC2104 IC2502 ANALOG AUDIO L-IN SECTION ADINL L/R_IN SL/SR_OUT DATA3 VOUT1 FL OUT (Page 15) DATAOUT DIR_IN R-ch ADINR MPOUT4 A/D_2CH C/SW1_OUT DATA2 VOUT2 R-CH ANALOG VIDEO/USB MPOUT1...

  • Page 17: Block Diagram - Amp Section

    STR-DH540 5-3. BLOCK DIAGRAM – AMP Section – POWER AMP J101 PHONES BOOSTER Q620 Q600 CURRENT CURRENT Q622 LIMITER RELAY DETECT DETECT D600 Q602, Q603 DRIVER Q624 Q604 Q605 Q375 BOOSTER Q625 RY921 Q601 TB501 (1/2) BOOSTER FRONT Q670 Q650...

  • Page 18: Block Diagram - Analog Video/Usb Section

    STR-DH540 5-4. BLOCK DIAGRAM – ANALOG VIDEO/USB Section – J218 (1/2) J218 (2/2) VIDEO VIN1 VIDEO IN VIDEO MONITOR OUT VIDEO VIN2 SAT/CATV IN SYSTEM CONTROL IC2100 (4/6) VIDEO DRIVER MUTE IC2354 V_MUTE PROTECTION Q281 ~ Q283 V_SEL_SW2 CN106 DIGITAL...

  • Page 19: Block Diagram - Digital Video Section

    STR-DH540 Ver. 1.1 5-5. BLOCK DIAGRAM – DIGITAL VIDEO Section – IC3506 HDMI RECEIVER CN3504 CN3200 DATA2+ DATA2+ 35 R2X2+ T0X2+ DATA2– DATA2– R2X2- T0X2- DATA1+ DATA1+ R2X1+ T0X1+ DATA1– DATA1– R2X1- T0X1- DATA0+ DATA0+ R2X0+ T0X0+ DATA0– DATA0– R2X0-...

  • Page 20: Block Diagram - Display/Power Section

    STR-DH540 5-6. BLOCK DIAGRAM – DISPLAY/POWER Section – VACUUM FLOURESCENT RELAY DRIVE BRIDGEABLE_RY DISPLAY Q920 ND100 RY920 RECT D921 F912 (VCC) AUDIO AMP 53 FL_LAT SECTION F913 55 FL_CLK (VCC) 54 FL_DATA +7V REG. IC351 SYSTEM CONTROL +5V REG. IC2100 (6/6) IC2106 +5V REG.
  • Page 21 STR-DH540 Ver. 1.1 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Waveforms (In addition to this, the necessary note is printed in each block.) – DIGITAL Board – For Printed Wiring Boards. For Schematic Diagrams. IC2100 rk (PE2/X0)

  • Page 22: Digital Board (Component Side)

    STR-DH540 Ver. 1.2 5-7. PRINTED WIRING BOARD – DIGITAL Board (Component Side) – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. J2100 COAXIAL SA-CD/CD DIGITAL BOARD (ASSIGNABLE) IN HDMI HDMI (COMPONENT SIDE) CN3200 CN3501 CN3502...

  • Page 23: Printed Wiring Board - Digital Board (Conductor Side)

    STR-DH540 Ver. 1.2 5-8. PRINTED WIRING BOARD – DIGITAL Board (Conductor Side) – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. DIGITAL BOARD (CONDUCTOR SIDE) R3805 R3505 R3503 R3507 R3509 JL3519 R3504 JL2109 JL3512 CL2010...

  • Page 24: Schematic Diagram - Digital Board (1/7)

    STR-DH540 5-9. SCHEMATIC DIAGRAM – DIGITAL Board (1/7) – • See page 21 for Waveforms. • See page 46 for IC Block Diagrams. DIGITAL BOARD (1/7) DIGITAL BOARD (6/7) (Page 29) DIGITAL BOARD (7/7) ARC_SPDIF USB_SPDIF SP_SPDIF (Page 30) DIGITAL BOARD...

  • Page 25: Schematic Diagram - Digital Board (3/7)

    STR-DH540 Ver. 1.1 5-10. SCHEMATIC DIAGRAM – DIGITAL Board (2/7) – • See page 46 for IC Block Diagrams. DIGITAL BOARD (5/7) DIGITAL BOARD (Page 28) (4/7) (Page 27) COAXIAL SA-CD/CD (ASSIGNABLE) IN J2100 DIGITAL BOARD (2/7) DIGITAL BOARD JL2109...

  • Page 26: Schematic Diagram - Digital Board (4/7)

    STR-DH540 Ver. 1.2 5-11. SCHEMATIC DIAGRAM – DIGITAL Board (3/7) – • See page 21 for Waveforms. • See page 46 for IC Block Diagrams. • See page 51 for IC Pin Function Descriptions. DIGITAL BOARD (1/7), (2/7) DIGITAL BOARD (2/7)

  • Page 27: Schematic Diagram - Digital Board (5/7)

    STR-DH540 Ver. 1.1 5-12. SCHEMATIC DIAGRAM – DIGITAL Board (4/7) – • See page 21 for Waveforms. • See page 51 for IC Pin Function Descriptions. DIGITAL BOARD (4/7) CL2500 +3.3V D2500 CES521 C2509 C2501 R2585 DIGITAL CL2501 BOARD 1 VOUT...

  • Page 28: Schematic Diagram - Digital Board (6/7)

    STR-DH540 Ver. 1.1 5-13. SCHEMATIC DIAGRAM – DIGITAL Board (5/7) – • See page 21 for Waveforms. • See page 46 for IC Block Diagrams. • See page 51 for IC Pin Function Descriptions. DIGITAL BOARD (5/7) IC B/D IC3001...

  • Page 29: Schematic Diagram - Digital Board (7/7)

    STR-DH540 Ver. 1.2 5-14. SCHEMATIC DIAGRAM – DIGITAL Board (6/7) – • See page 21 for Waveforms. • See page 51 for IC Pin Function Descriptions. DIGITAL DIGITAL BOARD (6/7) BOARD (3/7) (Page 26) CN3200 R3502 IN4_HPD RB3204 HOT PLUG DET...
  • Page 30 STR-DH540 Ver. 1.2 5-15. SCHEMATIC DIAGRAM – DIGITAL Board (7/7) – • See page 21 for Waveforms. • See page 46 for IC Block Diagrams. DIGITAL BOARD (7/7) DIGITAL BOARD (5/7) (Page 28) C4113 C4112 FB4000 +3.3V C4111 C4109 IC4101 TPS2553DBVR 1.6 3.3 3.1 0...

  • Page 31: Main Board (Component Side)

    STR-DH540 Ver. 1.1 5-16. PRINTED WIRING BOARD – MAIN Board (Component Side) – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD (COMPONENT SIDE) SPEAKERS TB501 TB502 J401 J218 FRONT CENTER SURROUND AUDIO AUDIO...
  • Page 32 STR-DH540 5-17. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD (CONDUCTOR SIDE) CL339 JL2868 CL233 CL227 CL229 CL232 CL230 CC65 JL2871 JL2870 JL2869 CL246...
  • Page 33 STR-DH540 5-18. SCHEMATIC DIAGRAM – MAIN Board (1/4) – (1/4) MAIN MAIN BOARD BOARD (2/4) (Page 34) [FR] [SR] [FL] [SL] R568 R668 R768 R618 R718 R550 R650 R750 R600 R700 R544 L550 L650 L750 L600 L700 C548 1.7uH 1.7uH 1.7uH...

  • Page 34: Main Board (Conductor Side)

    STR-DH540 Ver. 1.1 5-19. SCHEMATIC DIAGRAM – MAIN Board (2/4) – MAIN BOARD MAIN BOARD (2/4) Q320 2SA1514KT146S (3/4) Q321 PROTECTOR 2PD601ART HP_DET (Page 35) PROTECTOR R392 R393 FR_OUT C320 R320 FL_OUT R394 R395 C323 R323 Q323 2SA1514KT146S CN391 D327...

  • Page 35: Schematic Diagram - Main Board (2/4)

    STR-DH540 Ver. 1.1 5-20. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 46 for IC Block Diagrams. MAIN BOARD (3/4) IC2352 FB2890 DIGITAL OPTICAL IC2352 RECEIVER JSR1124 JL2870 C2354 IN 2 JL2869 R2354 (TV ASSIGNABLE) JL2868 MAIN BOARD...

  • Page 36: Schematic Diagram - Main Board (3/4)

    STR-DH540 Ver. 1.2 5-21. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 46 for IC Block Diagrams. MAIN BOARD (1/4) (Page 33) 19 20 MAIN BOARD (4/4) C487 C489 C499 2200p 2200p IC B/D TUNER_GND C310 R312 R310...

  • Page 37: Printed Wiring Board - Display Board

    STR-DH540 Ver. 1.2 5-22. PRINTED WIRING BOARD – DISPLAY Board – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. T100 DC CONVERTER DIGITAL TRANSFORMER BOARD DISPLAY BOARD CN2101 (Page 22) C136 CL130 LP103 LP101 CL109...

  • Page 38: Schematic Diagram - Display Board

    STR-DH540 Ver. 1.2 5-23. SCHEMATIC DIAGRAM – DISPLAY Board – DISPLAY BOARD ND100 VACUUM FLOURESCENT DISPLAY IC101 PNA4823M03S0 IC101 R136 3.3 3.3 REMOTE CONTROL SIGNAL RECEIVER R129 38 39 40 41 43 44 45 46 47 48 49 50 53 54...

  • Page 39: Printed Wiring Board - Dcdc Board

    STR-DH540 Ver. 1.2 5-24. PRINTED WIRING BOARD – DCDC Board – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. DCDC BOARD DCDC BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) POWER TRANSFORMER (MAIN) CL948 F940 CL947 T901 CL941...

  • Page 40: Schematic Diagram - Dcdc Board

    STR-DH540 Ver. 1.2 5-25. SCHEMATIC DIAGRAM – DCDC Board – DCDC BOARD CL949 L1904 L1909 10uH DIGITAL 10uH R1928 C1937 +DCDC_NW BOARD CL950 R1948 +DCDC_NW (3/7) IC1904 +3.6V CL909 BD9329AEFJ-BZSE2 C1907 R1933 C1965 C1960 C1912 CN1500 +3.6V IC1904 CL910 (Page 26)

  • Page 41: Printed Wiring Board - Standby Board

    STR-DH540 5-26. PRINTED WIRING BOARD – STANDBY Board – • See page 14 for Circuit Boards Location. • : Uses unleaded solder. DCDC BOARD CN901 (Page 39) STANDBY BOARD STANDBY BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) DIGITAL BOARD CN1500 (Page 22)

  • Page 42: Schematic Diagram - Standby Board

    STR-DH540 Ver. 1.1 5-27. SCHEMATIC DIAGRAM – STANDBY Board – STANDBY BOARD CN951 MAIN BOARD CL951 LIVE (2/4) CL952 NEUTRAL FH902 T3.15AL 250V R913 R914 CNP920 (AEP, UK, AUS) CN952 (Page 34) 8A 125V F901 CL953 220V/240V (US, CND) FH901...

  • Page 43: Printed Wiring Board

    STR-DH540 Ver. 1.1 5-28. PRINTED WIRING BOARD – FRONT JACK PWB Board – 5-30. PRINTED WIRING BOARD – TUNER1 Board – • • • See page 14 for Circuit Boards Location. : Uses unleaded solder. • See page 14 for Circuit Boards Location.

  • Page 44: Schematic Diagram - Tuner1 Board

    STR-DH540 Ver. 1.1 5-31. SCHEMATIC DIAGRAM – TUNER1 Board – • See page 46 for IC Block Diagrams. TUNER1 BOARD JL132 JL130 R113 IC101 FM RECEIVER R104 JL121 JL123 CN101 VDD 11 C101 JL102 JL122 ARF1 470p CK (for IIC)

  • Page 45: Printed Wiring Board - Power Key Board

    STR-DH540 Ver. 1.1 5-32. PRINTED WIRING BOARD – POWER KEY Board – 5-34. PRINTED WIRING BOARD – HEADPHONE Board – • • • See page 14 for Circuit Boards Location. : Uses unleaded solder. • See page 14 for Circuit Boards Location.
  • Page 46 STR-DH540 • IC Block Diagrams IC2101 BU4229F-TR (DIGITAL BOARD (3/7)) IC2105 TC7WHU04FK (DIGITAL BOARD (2/7)) IC3001 BU4229F-TR (DIGITAL BOARD (5/7)) VCC OUT1 IN3 OUT2 Vout IN1 OUT3 IN2 GND – IC2107 LC89075WA-H (DIGITAL BOARD (1/7)) Vref PVDD RXIN1 PGND IC2102 BR24T64FJ-WE2 (DIGITAL BOARD (3/7))
  • Page 47 STR-DH540 IC2111 TC74VHC393FT (ELK) (DIGITAL BOARD (1/7)) CLEAR CLEAR IC2112 TC7WH157FK (DIGITAL BOARD (2/7)) 11 7 STROBE 11 6 SELECT EN G GND 4 IC3002 MFI341S2162 (DIGITAL BOARD (5/7)) MODE1 I/O port HB/300H CPU RESET System control Security logic Voltage monitoring circuit...
  • Page 48 STR-DH540 IC4100 BU94502AMUV (DIGITAL BOARD (7/7)) DAVSS AVSSC LED Driver RDACO AVDDC Audio Controller VCDACO SEL_SLAVE MP3/WMA Sound /AAC Effecter LDACO SEL_COD/TEST3 Decoder DAVDD 35 TEST2 SD_CON XOUT_PLL (Oscillator) File system SD_DO XIN_PLL SD Card SD_CLK TEST1 Controller SD_DI System...
  • Page 49 STR-DH540 IC400 BD3470KS2 (MAIN BOARD (4/4)) INL2 INR2 FR IN2 INL1 FL IN2 SW IN2 INR1 Multi2 C IN2 Multi1 SBLIN1 SR IN2 SL IN2 SBRIN1 Mode Mode Mode Mode SLIN1 SBR IN2 selector selector selector selector SRIN1 SBL IN2...
  • Page 50 STR-DH540 IC101 RZ5B801-0001E2 (TUNER1 BOARD) (US and Canadian models) IISD IISD GND 1 VDDRF CP2 3 FM Antenna Digital Signal Process LOUT Filter Digital Stereo FRF1 4 Mixer Demodulator Decoder FM LNA ROUT Digital Demodulator LRCK GNDRF 5 LRCK / LOUT...
  • Page 51 STR-DH540 • IC Pin Function Descriptions DIGITAL BOARD (3/7) IC2100 MB9AF116NAPMC-G-JNE2 (SYSTEM CONTROL) Pin No. Pin Name Description Power supply pin (+3.3V) EVOL_CLK Serial data transfer clock signal output to the electrical volume EVOL_DATA Serial data output to electrical volume...
  • Page 52 STR-DH540 Pin No. Pin Name Description FL_CLK Clock signal output for FL DISPLAY DRIVER IC HDMI_CECIN CEC serial data input from the HDMI connector AD_KEY1 Key signal input (A/D port) AD_KEY2 Key signal input (A/D port) SIRCS_IN SIRCS signal input...
  • Page 53 STR-DH540 DIGITAL BOARD (4/7) IC2502 ADSST-AVR-3045 (DSP) Pin No. Pin Name Description VDD_INT Power supply terminal (+1.2V) (for core) Core to CLKIN Ratio Control. These pins set the start up clock frequency. Note that the operating frequency can be changed by programming the PLL multiplier and divider in the PMCTL register at any time after the core comes out of reset.
  • Page 54 STR-DH540 Pin No. Pin Name Description VDD_INT Power supply terminal (+1.2V) (for core) VDD_EXT Power supply terminal (+3.3V) (for I/O) VDD_INT Power supply terminal (+1.2V) (for core) L/R_OUT Audio signal output to the DSP2 for L/R MID/SW2_OUT Audio signal output terminal...
  • Page 55 STR-DH540 Pin No. Pin Name Description Processor Reset. Resets the processor to a known state. Upon deassertion, there is a 4096 CLKIN cycle latency for the PLL to lock. After this time, the core begins program execution RESET from the hardware reset vector address. The RESET input must be asserted (low) at power- Test Mode Select (JTAG).
  • Page 56 STR-DH540 DIGITAL BOARD (5/7) IC3000 MB9BF116NPMC-G-JNE2 (HDMI CONTROLLER) Pin No. Pin Name Description Power supply pin (+3.3V) 2 to 4 No_Use Not used UPDATE_VURX Update to MAIN Micom data input UPDATE_VUTX Update to MAIN Micom data output 7 to 9...
  • Page 57 STR-DH540 Pin No. Pin Name Description USB: IRPTO (notifi cation that two USB confi guration descriptor or more is connected) from USB_IRPTO USB Device BU94604BKV USB_RESET USB: RESET for USB Device BU94604BKV USB_BUSY BUSY signal communication between USB board Prog_VU_SCK...
  • Page 58 STR-DH540 DIGITAL BOARD (6/7) IC3506 SII9573CTUC (HDMI RECEIVER) Pin No. Pin Name Description 1 to 6 D14 to D19 Digital video signal input from the video deinterlacing Data enable signal input from the video deinterlacing VSYNC Vertical sync signal input from the video deinterlacing...
  • Page 59 STR-DH540 Pin No. Pin Name Description R5X1– TMDS data (negative) input from the HDMI IN (SAT/CATV) connector R5X1+ TMDS data (positive) input from the HDMI IN (SAT/CATV) connector R5X2– TMDS data (negative) input from the HDMI IN (SAT/CATV) connector R5X2+...
  • Page 60 STR-DH540 Pin No. Pin Name Description WS0_OUT Word select signal output to the digital audio interface receiver SCK0 Serial data transfer clock signal output to the digital audio interface receiver IOVCC33 Power supply terminal (+3.3V) SD0_0 Serial data output to the digital audio interface receiver...

  • Page 61: Exploded Views

    STR-DH540 Ver. 1.1 SECTION 6 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.

  • Page 62: Dcdc Board Section

    STR-DH540 Ver. 1.2 6-2. DCDC BOARD SECTION not supplied not supplied F901 back panel section chassis section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1910-917-A DCDC BOARD, COMPLETE 0 F901 1-533-311-12 FUSE, GLASS (DIA.5) (8A/125V) (US, CND)

  • Page 63: Front Panel Section

    STR-DH540 Ver. 1.1 6-3. FRONT PANEL SECTION not supplied (HP SUPPORT board) not supplied (HEADPHONE board) ND100 S120 S121 supplied with S120 supplied with S121 Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.

  • Page 64: Back Panel Section

    STR-DH540 Ver. 1.1 6-4. BACK PANEL SECTION not supplied not supplied (TUNER1 board) not supplied not supplied not supplied Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.

  • Page 65: Chassis Section

    STR-DH540 Ver. 1.2 6-5. CHASSIS SECTION not supplied not supplied (USB WIRE INSULATION PC board) Q601 Q700 Q600 Q701 Q751 Q550 Q750 supplied with Q550, Q551, Q551 Q651 Q600, Q601, Q650, Q651, Q650 Q700, Q701, Q750, Q751 T901 not supplied...

  • Page 66: Electrical Parts List

    STR-DH540 Ver. 1.1 SECTION 7 DCDC ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS The components identifi ed by mark 0 the parts list may be different from the uF: μF or dotted line with mark 0 are critical for parts specifi...
  • Page 67 STR-DH540 Ver. 1.2 DCDC DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1918 1-208-683-11 METAL CHIP 0.5% 1/16W C2144 1-116-737-11 CERAMIC CHIP 1uF R1919 1-208-911-11 METAL CHIP 0.5% 1/16W C2145 1-118-041-11 CERAMIC CHIP 4.7uF R1926...
  • Page 68 STR-DH540 Ver. 1.2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2515 1-100-916-11 CERAMIC CHIP 0.1uF C3028 1-100-905-11 CERAMIC CHIP 0.001uF C2516 1-100-916-11 CERAMIC CHIP 0.1uF C3029 1-100-905-11 CERAMIC CHIP 0.001uF C2517 1-100-916-11 CERAMIC CHIP 0.1uF...
  • Page 69 STR-DH540 Ver. 1.2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3570 1-112-777-11 CERAMIC CHIP 0.01uF < EARTH TERMINAL > C3578 1-100-905-11 CERAMIC CHIP 0.001uF * ET1500 1-780-408-11 TERMINAL, LUG C4000 1-100-916-11 CERAMIC CHIP 0.1uF...
  • Page 70 STR-DH540 Ver. 1.2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R2146 1-218-941-81 METAL CHIP 1/16W R2147 1-218-945-11 METAL CHIP 1/16W J2100 1-784-431-11 JACK, PIN 1P (COAXIAL SA-CD/CD (ASSIGNABLE) IN) R2150 1-218-941-81...
  • Page 71 STR-DH540 Ver. 1.2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2239 1-218-957-11 METAL CHIP 2.2K 1/16W R2539 1-218-933-11 METAL CHIP 1/16W R2240 1-218-957-11 METAL CHIP 2.2K 1/16W R2540 1-218-933-11 METAL CHIP 1/16W R2241 1-218-957-11 METAL CHIP 2.2K...
  • Page 72 STR-DH540 Ver. 1.2 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3104 1-218-965-11 METAL CHIP 1/16W R3590 1-218-937-11 METAL CHIP 1/16W R3106 1-218-937-11 METAL CHIP 1/16W R3591 1-218-965-11 METAL CHIP 1/16W R3107 1-218-965-11 METAL CHIP...
  • Page 73 STR-DH540 Ver. 1.2 DIGITAL DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R4110 1-218-947-11 METAL CHIP 1/16W C123 1-126-916-11 ELECT 1000uF 6.3V R4115 1-218-941-81 METAL CHIP 1/16W C124 1-162-968-91 CERAMIC CHIP 0.0047uF C125 1-114-324-11 CERAMIC CHIP 0.022uF...
  • Page 74 STR-DH540 Ver. 1.2 DISPLAY FRONT JACK PWB Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR133 1-211-950-11 SHORT CHIP R121 1-250-592-11 METAL CHIP 1/10W JR134 1-216-864-11 SHORT CHIP R122 1-250-592-11 METAL CHIP 1/10W JR135 1-216-864-11 SHORT CHIP...
  • Page 75 STR-DH540 Ver. 1.2 FRONT JACK PWB HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D130 6-500-400-01 DIODE BAV99-215 C421 1-118-290-11 CERAMIC CHIP 0.001uF D133 6-503-738-01 DI CES521 C422 1-118-290-11 CERAMIC CHIP 0.001uF D134 6-503-738-01...
  • Page 76 STR-DH540 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C662 1-118-291-11 CERAMIC CHIP 100PF C2371 1-118-289-11 CERAMIC CHIP 0.1uF C663 1-126-923-91 ELECT 220uF C2372 1-118-289-11 CERAMIC CHIP 0.1uF C670 1-114-339-91 CERAMIC CHIP 3300PF...
  • Page 77 STR-DH540 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D721 6-502-961-01 DI DA2J10100L < TRANSISTOR > D722 6-502-961-01 DI DA2J10100L Q281 6-553-007-01 PMG85XP D750 6-502-961-01 DI DA2J10100L Q282 6-552-430-01 DRC5114E0L D751 6-502-961-01 DI DA2J10100L...
  • Page 78 STR-DH540 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R251 1-218-855-11 METAL CHIP 2.2K 0.5% 1/10W R547 1-218-867-11 METAL CHIP 6.8K 0.5% 1/10W R252 1-218-855-11 METAL CHIP 2.2K 0.5% 1/10W R548 1-216-837-11 METAL CHIP...
  • Page 79 STR-DH540 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R623 1-216-813-11 METAL CHIP 1/10W R715 1-216-823-11 METAL CHIP 1.5K 1/10W R624 1-216-813-11 METAL CHIP 1/10W R716 1-218-841-11 METAL CHIP 0.5% 1/10W R625 1-216-825-11 METAL CHIP 2.2K...
  • Page 80 STR-DH540 Ver. 1.2 MAIN POWER KEY STANDBY TUNER1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RR12 1-249-393-11 CARBON 1/4W C984 1-126-960-11 ELECT RR13 1-249-393-11 CARBON 1/4W C985 1-118-289-11 CERAMIC CHIP 0.1uF C986 1-118-289-11 CERAMIC CHIP 0.1uF...
  • Page 81 STR-DH540 Ver. 1.2 TUNER1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C107 1-165-176-11 CERAMIC CHIP 0.047uF 0 151 1-777-071-83 CORD, POWER (AEP) C108 1-116-729-11 CERAMIC CHIP 2.2uF 0 151 1-833-566-21 POWER-SUPPLY CORD (AUS) C109 1-118-289-11 CERAMIC CHIP 0.1uF...
  • Page 82 STR-DH540 MEMO...
  • Page 83 STR-DH540 US Model Canadian Model SERVICE MANUAL AEP Model UK Model Australian Model Ver. 1.1 2013.04 SUPPLEMENT-1 File this supplement with the service manual. Subject: Addition of SERVICING NOTES (TROUBLESHOOTING) 9-890-614-81...
  • Page 84 STR-DH540 SECTION 1 SERVICING NOTES...
  • Page 85 STR-DH540...
  • Page 86 STR-DH540...
  • Page 87 STR-DH540...
  • Page 88 STR-DH540...
  • Page 89 STR-DH540 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2013.01 2013.04...
  • Page 90 STR-DH540 Ver. Date Description of Revision 2014.11 Add servicing note “NOTE OF REPLACING THE COMPLETE DIGITAL BOARD” in page 4. Change contents of FIX MODEL AND DESTINATION MODE in page 12.

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