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Sony STR-KM2 Service Manual

Multi channel av receiver.
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SERVICE MANUAL

Ver. 1.3 2014.03
• STR-KM2 is the receiver section in HT-M2.
• STR-KM3 is the receiver section in HT-M3.
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 & other U.S. and worldwide patents issued & pending.
DTS, the Symbol, & DTS and the Symbol together are registered trademarks & DTS Digital Surround | 96/24 is a trademark of DTS, Inc. Product
includes software. © DTS, Inc. All Rights Reserved.
This receiver incorporates High-Defi nition Multimedia Interface (HDMI
HDMI, the HDMI Logo, and High-Defi nition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.
"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.
MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson.
"WALKMAN" is a registered trademark of Sony Corporation.
MICROVAULT is a trademark of Sony Corporation.
Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.
This product contains technology subject to certain intellectual property rights of Microsoft. Use or distribution of this technology outside of this product is
prohibited without the appropriate license(s) from Microsoft.
Amplifi er section
Power Output
E51 and AR models
Stereo mode output (rated) (6 ohms, 1 kHz, THD 1%)
104 W + 104 W
Surround mode output
2)
(reference) (6 ohms,
1 kHz, THD 30%)
RMS output
FRONT:
220 W per channel
1)
CENTER:
220 W
(STR-KM3)
SURROUND:
220 W per channel
2)
Surround mode
(reference) (6 ohms, 100 Hz,
THD 30%)
SUBWOOFER:
220 W per channel
Other models
Stereo mode output (rated) (6 ohms, 1 kHz, THD 1%)
104 W + 104 W
2)
Surround mode output
(reference) (6 ohms,
1 kHz, THD 10%)
RMS output
FRONT:
170 W per channel
(STR-KM3)
165 W per channel
(STR-KM2)
1)
CENTER:
170 W
(STR-KM3)
9-890-591-04
Sony Corporation
2014C80-1
©
2014.03
Published by Sony EMCS (Malaysia) PG Tec
STR-KM2/KM3
Photo: STR-KM3
TM
) technology.
SPECIFICATIONS
SURROUND:
1)
Surround mode
2)
(reference) (6 ohms, 100 Hz,
THD 10%)
SUBWOOFER:
1)
1)
1)
Measured under the following conditions:
Area
Power requirements
1)
SAF, E51, SP
240 V AC, 50 Hz
MX
127 V AC, 60 Hz
AR, TH, AUS, RU 230 V AC, 50 Hz
1)
EA
127 V AC, 50 Hz
2)
Reference power output for front, center,
surround speakers and subwoofers. Depending
1)
on the sound fi eld settings and the source,
there may be no sound output.
1)
Saudi Arabia Model
170 W per channel
1)
Inputs
(STR-KM3)
Analog
165 W per channel
1)
(STR-KM2)
Digital (Coaxial)
Outputs (Analog)
1)
175 W per channel
AUDIO OUT
(STR-KM3)
1)
Tone
170 W per channel
(STR-KM2)
Gain levels
Reproduction frequency range:
FM tuner section
Tuning range
Antenna (aerial)
Antenna (aerial) terminals
MULTI CHANNEL AV RECEIVER
Russian Model
Australian Model
Mexican Model
Singapore Model
Thai Model
STR-KM3
E Model
STR-KM2/KM3
Sensitivity: 800 mV/
50 kilohms
Impedance: 75 ohms
Voltage: 800 mV/
1 kilohm
±6 dB, 1 dB step
28 Hz – 20,000 Hz
87.5 MHz – 108.0 MHz
FM wire antenna (aerial)
75 ohms, unbalanced
– Continued on next page –

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Table of Contents

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   Summary of Contents for sony STR-KM2

  • Page 1: Service Manual

    HDMI, the HDMI Logo, and High-Defi nition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. “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 USB section (except SAF, AR) Power consumption 175 W (STR-KM3) Supported bit rate* MP3 (MPEG 1 Audio 155 W (STR-KM2) Layer-3): Power consumption (during standby mode) 32 kbps – 320 kbps, VBR 0.3 W (When WMA: 48 kbps – 192 kbps “CTRL.HDMI”...
  • Page 3: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 4: Servicing Notes

    STR-KM2/KM3 Ver. 1.1 SECTION 1 SERVICING NOTES Notes on chip component replacement MODEL IDENTIFICATION - Rear View - • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be da- maged by heat.
  • Page 5 STR-KM2/KM3 Ver. 1.1 MICOM (IC2105) ON DIGITAL AUDIO BOARD SERVICE POSITION • In checking the MICOM (IC2105) on the DIGITAL AUDIO board, prepare a set of extension jigs (A-1870-129-A) which consists of three extension cables and one RCA cord / audio cord (for grounding purpose).
  • Page 6: Disassembly

    STR-KM2/KM3 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. CASE (Page 6) 2-3. FRONT PANEL SECTION 2-4. BACK PANEL SECTION (Page 7) (Page 7) 2-5. MAIN BLOCK SECTION (Page 8) 2-6.
  • Page 7: Front Panel Section

    STR-KM2/KM3 2-3. FRONT PANEL SECTION 5 one screw (+BVTP 3 8 claw 9 front panel block 1 CN2504 (13P) 6 five screws 3 wire (flat type) (+BVTP 3 (15 core) (CN2503) (except SAF, AR) 2 saranet cushion 4 one screw...
  • Page 8: Main Block Section

    STR-KM2/KM3 2-5. MAIN BLOCK SECTION 4 one screw (+BVTP 3 5 clamp 6 two screws 1 LOCK board (+BVTP 3 7 two screws (+BVTP 3 8 MAIN block 3 CN950 (5P) 2 CN951 (5P) 2-6. MAIN BOARD, THERMAL BOARD 2 THERMAL board...
  • Page 9: Test Mode

    STR-KM2/KM3 SECTION 3 TEST MODE FL CHECK MODE SOFTWARE VERSION DISPLAY MODE All fl uorescent segments are tested. When this test is activated, all The software version is displayed. segments turn on at the same time, then each segment turns on one Procedure: after another.
  • Page 10 STR-KM2/KM3 HISTORY MODE Procedure: After update is abnormal exit, and set is power on again The state that the set is used is memorized. 1. Enter update mode automatically after power on. Procedure: 2. The messages “UPDATE” and “PLAY.DISC” are displayed 1.
  • Page 11: Electrical Check

    STR-KM2/KM3 SECTION 4 ELECTRICAL CHECK FM AUTO STOP CHECK signal generator 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 12: Diagrams

    STR-KM2/KM3 SECTION 5 DIAGRAMS • Circuit Boards Location POWER AVIDEO board DISPLAY board DCDC board TUNER1 board POWER KEY board HDMI RE board (KM3) DIGITAL AUDIO board LED BAR board MAIN board USB board (except SAF, AR) THERMAL board • Abbreviation...
  • Page 13: Block Diagram - Tuner/audio Section

    STR-KM2/KM3 5-1. BLOCK DIAGRAM – TUNER/AUDIO Section – VIDEO VIDEO SA-CD/CD PORTABLE AUDIO IN AUDIO OUT AUDIO IN AUDIO IN AUDIO IN J302(1/2) J300 FUNCTION SELECT J302 (2/2) IC300 DIGITAL L-IN SECTION SYSTEM (Page 14) R-CH R-IN CONTROL IC2105 (1/4)
  • Page 14: Block Diagram - Digital Section

    STR-KM2/KM3 5-2. BLOCK DIAGRAM – DIGITAL Section – D/A CONVERTER RE ET IGNAL GENERATOR IC2123 IC2801 (1/2) IGNAL ELECTOR IC2034 IC2805 DIN3 +3 3V 173 RE ET VO3L L/R OUT FL OUT VO3R 1 OUT R-CH TUNER/ L/ R OUT...
  • Page 15: Block Diagram - Hdmi Section

    STR-KM2/KM3 5-3. BLOCK DIAGRAM – HDMI Section – IC3500 HDMI RECEIVER IC3501 HDMI TRANSMITTER (2/2) CN3503 DATA2+ 125 R1X2+ DATA2– R1X2- DATA1+ R1X1+ DATA1– R1X1- DATA0+ R1X0+ DATA0– R1X0- CLOCK+ BD/DVD R1XC+ CLOCK– VSYNC 74 VSYNC R1XC- SCL (5V) HSYNC 75...
  • Page 16: Block Diagram - Key/display/usb Section

    STR-KM2/KM3 5-4. BLOCK DIAGRAM – KEY/DISPLAY/USB Section – FL DISPLAY DRIVER IC100 SYSTEM CONTROL IC2105 (3/4) T100 Q100 D120 SEG1 +6.3V DCDC X1(X_OUT) DC CONVERTER SWITCHING D121 X2101 9 STB FL_LAT ND100 TRANSFORMER TRANSISTOR SEG17 4MHz VACUUM X0(X_IN) FLUORESCENT IC101...
  • Page 17: Block Diagram - Power Key Section

    STR-KM2/KM3 5-5. BLOCK DIAGRAM – POWER KEY Section – PRE DRIVER IC701 TB353 FL-CH +VOUT1 IN 1 FR-CH FL-CH -VOUT2 POWER AMP Q700-703, DRIVE +VOUT2 DRIVE RY353 IN 2 Q750-753 FRONT CURRENT FR-CH -VOUT2 RELAY DETECT DRIVER Q761,762 Q353 CURRENT...
  • Page 18 STR-KM2/KM3 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 AUDIO Board – – DISPLAY Board – For Printed Wiring Boards.
  • Page 19: Digital Audio Board (side A)

    STR-KM2/KM3 5-6. PRINTED WIRING BOARD – DIGITAL AUDIO Board (Side A) – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD MAIN BOARD CN300 CN301 (Page 25) (Page 25) DIGITAL AUDIO BOARD (SIDE A)
  • Page 20: Printed Wiring Board - Digital Audio Board (side B)

    STR-KM2/KM3 5-7. PRINTED WIRING BOARD – DIGITAL AUDIO Board (Side B) – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. DIGITAL AUDIO BOARD (SIDE B) CL2073 CL2012 JL2869 JL2824 JL2022 JL2878 JL2826 JL2822 JL2823 JL2871...
  • Page 21: Schematic Diagram - Digital Audio Board (1/4)

    STR-KM2/KM3 5-8. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (1/4) – • See page 45 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions. DIGITAL AUDIO BOARD (1/4) DIGITAL AUDIO BOARD (2/4), (3/4) (Page 22), X2800 (Page 23) 25MHz DSP+3.3V...
  • Page 22: Schematic Diagram - Digital Audio Board (2/4)

    STR-KM2/KM3 Ver. 1.2 5-9. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (2/4) – • See page 18 for Waveforms. • See page 45 for IC Block Diagrams. • See page 52 for IC Pin Function Descriptions. DIGITAL AUDIO BOARD (2/4) DIGITAL AUDIO...
  • Page 23: Schematic Diagram - Digital Audio Board (3/4)

    STR-KM2/KM3 5-10. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (3/4) – • See page 18 for Waveforms. • See page 45 for IC Block Diagrams. DIGITAL AUDIO BOARD (1/4) DIGITAL AUDIO BOARD (1/4) (Page 21) (Page 21) DIGITAL AUDIO BOARD (3/4)
  • Page 24: Schematic Diagram - Digital Audio Board (4/4)

    STR-KM2/KM3 Ver. 1.2 5-11. SCHEMATIC DIAGRAM – DIGITAL AUDIO Board (4/4) – • See page 18 for Waveforms. • See page 45 for IC Block Diagrams. DIGITAL AUDIO BOARD (2/4) DIGITAL AUDIO BOARD (2/4) (Page 22) (Page 22) DIGITAL AUDIO BOARD (4/4)
  • Page 25: Printed Wiring Board - Main Board

    STR-KM2/KM3 5-12. PRINTED WIRING BOARD – MAIN Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. SPEAKERS J300 J302 TB355 TB353 TB352 TB354 SA-CD/CD PORTABLE VIDEO VIDEO SURROUND FRONT SUBWOOFER AUDIO AUDIO AUDIO AUDIO...
  • Page 26: Schematic Diagram - Main Board (1/4)

    STR-KM2/KM3 Ver. 1.2 5-13. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 45 for IC Block Diagrams. MAIN BOARD (1/4) MAIN BOARD (2/4) (Page 27) MAIN BOARD (4/4) [SW2] [SW1] R570 (Page 29) L550 R520 R518 R568 JS800...
  • Page 27: Schematic Diagram - Main Board (2/4)

    STR-KM2/KM3 Ver. 1.2 5-14. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • See page 45 for IC Block Diagrams. MAIN BOARD (2/4) MAIN BOARD (4/4) (Page 29) MAIN BOARD (1/4) (Page 26) [FR] [SR] [FL] [SL] CL391 CL400 R618 R768...
  • Page 28: Schematic Diagram - Main Board (3/4)

    STR-KM2/KM3 5-15. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 45 for IC Block Diagrams. MAIN BOARD MAIN BOARD MAIN BOARD (2/4) (4/4) (1/4) MAIN BOARD (1/4) MAIN BOARD (2/4) (Page 27) (Page 29) (Page 26) (Page 26)
  • Page 29: Schematic Diagram - Main Board (4/4)

    STR-KM2/KM3 5-16. SCHEMATIC DIAGRAM – MAIN Board (4/4) – MAIN BOARD (1/4) MAIN BOARD (2/4) MAIN BOARD (2/4) (Page 27) (Page 26) (Page 27) 33 32 MAIN BOARD (4/4) MAIN BOARD CN950 F950 POWER (3/4) 2.5A 250V D953 ~ D956...
  • Page 30: Hdmi Re Board (side A) (km3)

    STR-KM2/KM3 Ver. 1.2 5-17. PRINTED WIRING BOARD – HDMI RE Board (Side A) (KM3) – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. HDMI HDMI RE BOARD SAT/ GAME CATV (SIDE A) (KM3) CN3500 CN3501...
  • Page 31: Hdmi Re Board (side B) (km3)

    STR-KM2/KM3 5-18. PRINTED WIRING BOARD – HDMI RE Board (Side B) (KM3) – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. HDMI RE BOARD (SIDE B) (KM3) R3523 R3518 R3524 R3521 R3530 R3511 JL3568 R3694...
  • Page 32: Schematic Diagram - Hdmi Re Board (1/2) (km3)

    STR-KM2/KM3 5-19. SCHEMATIC DIAGRAM – HDMI RE Board (1/2) (KM3) – HDMI RE HDMI RE BOARD (1/2) BOARD (2/2) (KM3) (Page 33) ET3503 C3662 (CHASSIS) C3730 1000p 3.3 3.3 0 3.3 1.2 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.3 1.2 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 2.5 0 2.5...
  • Page 33: Schematic Diagram - Hdmi Re Board (2/2) (km3)

    STR-KM2/KM3 Ver. 1.2 5-20. SCHEMATIC DIAGRAM – HDMI RE Board (2/2) (KM3) – • See page 45 for IC Block Diagrams. HDMI RE BOARD (2/2) (KM3) HDMI RE BOARD (1/2) (Page 32) C3702 R3640 R3641 ET3500 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 0 1.8 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 1.8...
  • Page 34: Printed Wiring Board - Power Avideo Board

    STR-KM2/KM3 5-21 PRINTED WIRING BOARD – POWER AVIDEO Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. POWER AVIDEO BOARD ~ AC IN S901 VOLTAGE SELECTOR 120V 220V 240V (CHASSIS) (CHASSIS) (CHASSIS) B903 B902...
  • Page 35: Schematic Diagram - Power Avideo Board

    STR-KM2/KM3 Ver. 1.1 5-22. SCHEMATIC DIAGRAM – POWER AVIDEO Board – POWER AVIDEO BOARD CN911 F911 3.15A 250V CL911 R3 AC (Yellow) CN912 D912 D3SBA60-7101 CL914 CL912 +13V CENTER C911 CL913 C916 0.047 R3 AC (Green) 1000 DCDC F912 +13V CL915 3.15A 250V...
  • Page 36: Printed Wiring Board - Display Board

    STR-KM2/KM3 Ver. 1.1 5-23. PRINTED WIRING BOARD – DISPLAY Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. DISPLAY BOARD ND100 VACUUM FLUORESCENT DISPLAY JR131 CL144 JR116 JL105 JR151 JR103 R135 IC102 D121 JR165...
  • Page 37: Schematic Diagram - Display Board

    STR-KM2/KM3 Ver. 1.1 5-24. SCHEMATIC DIAGRAM – DISPLAY Board – • See page 18 for Waveforms. • See page 45 for IC Block Diagrams. DISPLAY BOARD ND100 VACUUM FLUORESCENT DISPLAY CL144 CL145 C117 C116 IC102 IC B/D PNA4823M03S0 IC102 REMOTE CONTROL...
  • Page 38: Printed Wiring Board - Dcdc Board

    STR-KM2/KM3 5-25. PRINTED WIRING BOARD – DCDC Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. POWER AVIDEO BOARD CN912 DCDC BOARD DCDC BOARD (Page 34) (SIDE A) (SIDE B) CN1500 A1501 (CHASSIS) R1503...
  • Page 39: Schematic Diagram - Dcdc Board

    STR-KM2/KM3 5-26. SCHEMATIC DIAGRAM – DCDC Board – DCDC BOARD CN1500 CN1503 HDMI RE B_FAN+ POWER B_FAN- L1500 BOARD L1501 10uH 10uH S_FAN+ (2/2) AVIDEO S_FAN- IC1500 R1512 CL1502 BOARD CN3510 C1505 TPS54331GDR R3 GND CL1500 C1509 R1503 D1500 CN912...
  • Page 40: Printed Wiring Board - Led Bar Board

    STR-KM2/KM3 Ver. 1.1 5-27. PRINTED WIRING BOARD – LED BAR Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. (CHASSIS) JL118 PL100 JL144 JL117 R156 POWER KEY JL123 BOARD D146 D144 JL145 R154 CN100...
  • Page 41: Printed Wiring Board

    STR-KM2/KM3 5-29. PRINTED WIRING BOARD – USB Board (EXCEPT SAF, AR) – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. USB BOARD (SIDE A) CN4101 (EXCEPT SAF, AR) (CHASSIS) C4187 X4102 ET4100 C4114 C4120 C4112...
  • Page 42: Schematic Diagram - Usb Board (except Saf, Ar)

    STR-KM2/KM3 Ver. 1.1 5-30. SCHEMATIC DIAGRAM – USB Board (EXCEPT SAF, AR) – • See page 45 for IC Block Diagrams. USB BOARD (EXCEPT SAF, AR) FB4102 220ohm C4165 0.47 C4168 C4169 IC4161 BA33BC0FP-E2 IC4161 +3.3V REG C4167 C4166 FB4100...
  • Page 43: Printed Wiring Board - Tuner1 Board

    STR-KM2/KM3 5-31. PRINTED WIRING BOARD – TUNER1 Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. TUNER1 BOARD (CHASSIS) JL112 L104 JL115 JL105 CN104 C112 JL135 L101 X101 C110 FL101 C108 JL133 JL109 C107...
  • Page 44: Printed Wiring Board - Power Key Board

    STR-KM2/KM3 Ver. 1.1 5-33. PRINTED WIRING BOARD – POWER KEY Board – 5-35. PRINTED WIRING BOARD – THERMAL Board – • See page 12 for Circuit Boards Location. • : Uses unleaded solder. • See page 12 for Circuit Boards Location.
  • Page 45 STR-KM2/KM3 Ver. 1.2 • IC Block Diagrams IC2007 TC74VHC393FT (ELK) (DIGITAL AUDIO BOARD (3/4)) CLEAR CLEAR IC2019 74AHC1G08GW-125 (DIGITAL AUDIO BOARD (2/4)) IC2020 S-80929CNMC-G8ZT2G (DIGITAL AUDIO BOARD (2/4)) IC2034 S-80929CNMC-G8ZT2G (DIGITAL AUDIO BOARD (1/4)) OUT 1 VDD 2 – DELAY...
  • Page 46 STR-KM2/KM3 Ver. 1.2 IC2123 WM8768GEDS/R (DIGITAL AUDIO BOARD (4/4)) 28 AVDD MODE 27 AGND MCLK STEREO 26 VOUT3R BCLK PASS 25 VOUT3L FILTER LRCLK DVDD AUDIO 24 VOUT2R STEREO INTERFACE, DGND PASS 23 VOUT2L DIGITAL FILTER FILTERS DIN1 DIN2 STEREO...
  • Page 47 STR-KM2/KM3 IC2806 LC89075W-H (DIGITAL AUDIO BOARD (3/4)) PVDD COAXIAL PGND USB SPDIF HDMI MCK HDMI SPDIF HDMI BCK ARC SPDIF HDMI LRCK GROUP: A OPTICAL GAME GROUP: B Stereo (4x6):4 GROUP: C GROUP: D OPTICAL SAT/CATV RXIN7 Group: D (input)
  • Page 48 STR-KM2/KM3 IC100 PT6315 (DISPLAY BOARD) Grid driver Multiplexed driver GRID10 Command decoder GRID11 Display memory SEG17 24 bits x 12 words Timing generator key scan DOUT SEG16 Key data memory Serial SEG15 (2 x 16 bits) interface SEG14 SEG13 SEG12...
  • Page 49 STR-KM2/KM3 IC300 BD3470KS2 (MAIN BOARD (3/4)) INL2 AGND FRIN2 INR2 INL1 FLIN2 INR1 SWIN2 Multi2 CIN2 AGND Multi1 SBLIN1 SRIN2 SLIN2 SBRIN1 Mode Mode Mode Mode SLIN1 SBRIN2 selector selector selector selector SRIN1 SBLIN2 AGND CIN1 RECR1 SWIN1 FLIN1 RECL1...
  • Page 50 STR-KM2/KM3 IC101 RZ5B801-0001E2 (TUNER1 BOARD) (Mexican model) IISD IISD VDDRF FM Antenna Digital Signal Process LOUT Filter Digital Stereo FRF1 Mixer Demodulator Decoder FM LNA ROUT Digital Demodulator LRCK GNDRF LRCK / LOUT Image Station BCLK LRCK Control Detector Generator...
  • Page 51 STR-KM2/KM3 Ver. 1.1 IC4100 BU94604BKV-ZAE2 (USB BOARD) (except South African and Argentina models) AVDDC LED_ERROR/TEST9 Audio DAC LED_PLAY/TEST10 ATEST1 LED_PSD/TEST11 TEST8 LED_PUSB/TEST12 TEST7 Sound Effecter Controller LED_ACCESS TEST6 LED_RANDOM DVDD_M2 TEST5/ LED_REPEAT CLKOUT12 File system TEST13 TEST4 AAC / WMA /...
  • Page 52 STR-KM2/KM3 Ver. 1.2 • IC Pin Function Descriptions DIGITAL AUDIO BOARD (2/4) IC2105 MB90F058PF-G-NNE1 (SYSTEM CONTROL) Pin No. Pin Name Description PROTECT Protect detection signal input terminal HDMI_MUTE Audio mute output for HDMI signal (KM3) IO_EX_CLK I/O Expander Clock (P01 pull low for programming)
  • Page 53 STR-KM2/KM3 Pin No. Pin Name Description Operation mode specifi cation input pin Operation mode specifi cation input pin Reset input pin HDMI_TX_INT HDMI: Tx Interrupt port from HDMI-Tx Device (KM3) HDMI_SDA HDMI: Communication Line I2C SDA (KM3) HDMI_SCL I2C Clk (KM3)
  • Page 54 STR-KM2/KM3 DIGITAL AUDIO BOARD (1/4) IC2801 ADSST-AVR-3025 (DSP) Pin No. Pin Name Description SDDQM DQM data mask Memory select line 0 SDCKE SDRAM clock enable Power supply pin (+1.2 V) DD_INT CLK_CFG1 Clock frequency setting signal input 1 (Fixed at H)
  • Page 55 STR-KM2/KM3 Pin No. Pin Name Description Not Used Power supply pin (+3.3 V) DD_EXT Not Used Not Used Not Used Not Used Power supply pin (+1.2 V) DD_INT Not Used Not Used Power supply pin (+1.2 V) DD_INT Not Used Not Used Power supply pin (+1.2 V)
  • Page 56 STR-KM2/KM3 Pin No. Pin Name Description Thermal diode power supply DD_EXT Power supply pin (+1.2 V) DD_INT Power supply pin (+1.2 V) DD_INT Memory select line 1 Power supply pin (+1.2 V) DD_INT WDT_CLKO Watch dog resonator pad output WDT_CLKIN Watch dog timer clock input Power supply pin (+3.3 V)
  • Page 57 STR-KM2/KM3 Pin No. Pin Name Description DATA13 External data Power supply pin (+1.2 V) DD_INT DATA15 External data SDWE SDRAM write enable SDRAS SDRAM row address strobe RESET System reset signal input from SYSTEM CONTROL IC Not Used (Fixed at L)
  • Page 58: Exploded Views

    STR-KM2/KM3 Ver. 1.1 SECTION 6 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Color Indication of Appearance Parts Ex- The components identifi ed by mark 0 they may have some difference from the ample: or dotted line with mark 0 are critical for original one.
  • Page 59: Front Panel Section

    STR-KM2/KM3 Ver. 1.2 6-2. FRONT PANEL SECTION not supplied (POWER KEY board) ND100 RV100 not supplied (LED BAR board) (except SAF, AR) RV101 not supplied supplied with RV100 (except SAF, supplied with RV101 Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.
  • Page 60: Back Panel Section

    STR-KM2/KM3 Ver. 1.3 6-3. BACK PANEL SECTION (E51) (KM3) (KM2: except E51) (KM3: except E51, EA) (KM2: E51) (KM3: E51, EA) not supplied (KM3) (KM3) (E51, EA, MX) F902 (KM3) (except RU, MX) F901 supplied not supplied (TUNER1 board) Note: If wire (fl at type) is replaced, install it after bending not supplied it in the same form as that before replacement.
  • Page 61: Chassis Section

    STR-KM2/KM3 Ver. 1.1 6-4. CHASSIS SECTION not supplied (LOCK board) not supplied heatsink section T901 not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 3-703-150-11 CLAMP 0 T901 1-697-128-11...
  • Page 62: Heatsink Section

    STR-KM2/KM3 Ver. 1.1 6-5. HEATSINK SECTION Q552 Q653 Q652 Q553 Q753 Q502 Q752 Q503 Q603 supplied with Q502, Q503, Q602 Q552, Q553, Q602, Q603, Q703 Q652, Q653, Q702, Q703, Q702 Q752, Q753, Q802, Q803 Q803 Q802 not supplied (KM3) F955...
  • Page 63: Electrical Parts List

    STR-KM2/KM3 SECTION 7 Ver. 1.3 DCDC DIGITAL AUDIO ELECTRICAL PARTS LIST Note: • RESISTORS When indicating parts by reference num- • Due to standardization, replacements in All resistors are in ohms. ber, please include the board name. the parts list may be different from the METAL: Metal-fi...
  • Page 64 STR-KM2/KM3 Ver. 1.3 DIGITAL AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2101 1-125-777-11 CERAMIC CHIP 0.1uF C2817 1-125-777-11 CERAMIC CHIP 0.1uF C2112 1-125-777-11 CERAMIC CHIP 0.1uF C2818 1-125-777-11 CERAMIC CHIP 0.1uF C2114 1-116-712-11 CERAMIC CHIP 22uF...
  • Page 65 STR-KM2/KM3 Ver. 1.3 DIGITAL AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2908 1-125-777-11 CERAMIC CHIP 0.1uF D2721 8-719-049-09 DIODE 1SS367-T3SONY C2909 1-125-777-11 CERAMIC CHIP 0.1uF D2722 8-719-053-18 DIODE 1SR154-400TE-25 C2910 1-100-909-11 CERAMIC CHIP 10uF 6.3V...
  • Page 66 STR-KM2/KM3 Ver. 1.3 DIGITAL AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC2812 6-705-337-01 IC TK11150CSCL-G R2415 1-218-990-81 SHORT CHIP IC2813 6-717-680-01 IC BD00IC0WEFJ-E2 R2416 1-218-990-81 SHORT CHIP < JACK > R2417 1-218-990-81 SHORT CHIP...
  • Page 67 STR-KM2/KM3 Ver. 1.3 DIGITAL AUDIO DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2857 1-218-941-81 METAL CHIP 1/16W R2989 1-218-965-11 METAL CHIP 1/16W R2858 1-218-941-81 METAL CHIP 1/16W R2992 1-218-965-11 METAL CHIP 1/16W R2859 1-218-956-11 METAL CHIP 1.8K...
  • Page 68 STR-KM2/KM3 Ver. 1.2 DISPLAY HDMI RE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > JR164 1-216-864-11 SHORT CHIP IC100 6-701-729-01 IC PT6315 JR165 1-216-864-11 SHORT CHIP IC101 6-715-134-01 IC MM3404A33URE JR166 1-216-864-11 SHORT CHIP...
  • Page 69 STR-KM2/KM3 Ver. 1.3 HDMI RE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3568 1-100-916-11 CERAMIC CHIP 0.1uF 16V (KM3) * C3759 1-116-723-11 CERAMIC CHIP 4.7uF 10V (KM3) C3569 1-100-916-11 CERAMIC CHIP 0.1uF 16V (KM3) * C3760 1-116-723-11 CERAMIC CHIP 4.7uF...
  • Page 70 STR-KM2/KM3 Ver. 1.2 HDMI RE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L3510 1-481-524-11 INDUCTOR 10uH (KM3) R3631 1-218-937-11 METAL CHIP 1/16W * L3511 1-460-416-11 COMMON MODE CHOKE COIL (KM3) (KM3) * L3512 1-460-416-11 COMMON MODE CHOKE COIL (KM3)
  • Page 71 STR-KM2/KM3 Ver. 1.2 HDMI RE LED BAR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3746 1-218-965-11 METAL CHIP 1/16W < CONNECTOR > (KM3) R3747 1-218-965-11 METAL CHIP 1/16W CN104 1-779-283-11 CONNECTOR, FFC (LIF (NON-ZIF)) 15P...
  • Page 72 STR-KM2/KM3 Ver. 1.2 LED BAR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR235 1-216-296-11 SHORT CHIP S103 1-762-875-21 SWITCH, TACTILE (M-TURBO) S104 1-762-875-21 SWITCH, TACTILE (MUSIC) < RESISTOR > S105 1-762-875-21 SWITCH, TACTILE (GAMING)
  • Page 73 STR-KM2/KM3 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C602 1-162-927-11 CERAMIC CHIP 100PF C862 1-126-923-91 ELECT 220uF C607 1-126-947-11 ELECT 47uF C863 1-126-923-91 ELECT 220uF C864 1-126-964-11 ELECT 10uF C610 1-162-960-11 CERAMIC CHIP 220PF...
  • Page 74 STR-KM2/KM3 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * CN950 1-564-508-11 PLUG, CONNECTOR 5P < JACK > * CN951 1-766-175-11 PIN, CONNECTOR (PC BOARD) 5P J300 1-774-411-11 JACK, PIN 6P (SA-CD/CD AUDIO IN, TV AUDIO IN, <...
  • Page 75 STR-KM2/KM3 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q711 6-550-327-01 2SA1514KT146S R510 1-216-214-00 RES-CHIP 4.7K 1/8W Q712 6-550-327-01 2SA1514KT146S R511 1-240-855-91 CARBON 6.2K 1/4W Q750 8-729-216-22 TRANSISTOR 2SA1162-G R512 1-234-182-11 ENCAPSULATED COMPONENT...
  • Page 76 STR-KM2/KM3 Ver. 1.2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R656 1-216-825-11 METAL CHIP 2.2K 1/10W R804 1-208-826-11 METAL CHIP 0.5% 1/10W R657 1-216-817-11 METAL CHIP 1/10W (KM3) R658 1-249-405-11 CARBON 1/4W R805 1-216-843-11...
  • Page 77 STR-KM2/KM3 Ver. 1.2 MAIN POWER AVIDEO POWER KEY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RY355 1-755-307-21 RELAY FH902 1-533-217-41 HOLDER, FUSE RY950 1-755-593-11 RELAY (KM2: EXCEPT E51/KM3: EXCEPT MX) FH903 1-533-217-41 HOLDER, FUSE (KM2: E51/KM3: E51, EA, MX) <...
  • Page 78 STR-KM2/KM3 Ver. 1.2 POWER KEY THERMAL TUNER1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C132 1-118-289-11 CERAMIC CHIP 0.1uF THERMAL BOARD C133 1-118-289-11 CERAMIC CHIP 0.1uF ************** < CONNECTOR > < CAPACITOR > CN107 1-775-377-51...
  • Page 79 STR-KM2/KM3 Ver. 1.2 TUNER1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COIL > C4167 1-100-909-11 CERAMIC CHIP 10uF 6.3V (EXCEPT SAF, AR) L101 1-457-998-11 COIL, AM ANTENNA L103 1-414-576-41 INDUCTOR 47nH C4168 1-128-394-11 ELECT CHIP...
  • Page 80 STR-KM2/KM3 Ver. 1.2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R4122 1-218-957-11 METAL CHIP 2.2K 1/16W 0 F901 1-532-465-32 FUSE (T3.15AL/250V) (EXCEPT RU, MX) (EXCEPT SAF, AR) 0 F902 1-532-505-32 FUSE (T5AL/250V) (E51, EA) R4123...
  • Page 81 STR-KM2/KM3 MEMO...
  • Page 82: Revision History

    STR-KM2/KM3 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 2012.02 2012.06...

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