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STR-SE581

— 19 —

— 20 —

3-8.

PRINTED WIRING BOARD  — SP-SW, POWER SECTION —

1

2

A

B

C

D

E

F

G

H

I

3

4

5

6

7

8

9

10

11

12

13

1

2

1

4

T902

CN902

CNP903

PRIMARY BOARD

SECONDARY BOARD

SP-SW BOARD

STANDBY BOARD

C

TO

MAIN 

BOARD

CNS802

B

A

TO
MAIN BOARD
CNP702

TO
MAIN BOARD
CN706

D

TO

        MAIN BOARD

  CN801

OFF    ON

TO
MAIN BOARD
CN706

A

1-665-289-

11

(12)

1-665-285-

11

(12)

1-665-
   286-

11

(12)

1-665-287-

11

(12)

J741

PHONES

S701

SPEAKERS

T901

POWER

TRANSFORMER

1

3

1

5

1

5

1

10

AC
IN

AC OUTLET

16

(Page 16)

(Page 16)

(Page 16)

(Page 16)

(Page 16)

CNJ902

Summary of Contents for STR-SE581

Page 1: ...NO RIAA equalization curve 0 5 dB TV DBS CD TAPE MD VIDEO 5 1 DVD INPUT 10 Hz 50 kHz 1 dB Inputs Sensitivity Impedance S N weighting network input level PHONO MM 2 5 mV 50 Kilohms 72 dB A 2 5 mV CD 400 mV TAPE MD 250 mV 82 dB TV DBS 50 Kilohms A 150 mV VIDEO 5 1 DVD INPUT 78 IHF Outputs TAPE MD REC OUT Voltage 150 mV Impedance 10 kΩ VIDEO AUDIO OUT Voltage 150 mV Impedance 10 kΩ WOOFER Voltage 2 V...

Page 2: ... OR DOTTED LINEWITH MARK 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 After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the antenna terminals metal trim metalli...

Page 3: ...utton indicator SURROUND ON OFF button MODE button SET UP button EFECT DELAY TIME button 5 1 DVD INPUT button TAPE MD FUNCTION button TV DBS FUNCTION button VIDEO FUNCTION button ª PHONO FUNCTION button º TUNER FUNCTION button CD FUNCTION button DIRECT button SHIFT button Numeric buttons PRESET TUNING buttons MEMORY button AM button FM button ª FM MODE button º TUNING buttons PHONES jack SPEAKERS ...

Page 4: ...VD INPUT FRONT REAR 3 WOOFER 4 ANTENNA AM FM 5 PHONO 6 CD 7 TAPE MD 8 TV DBS 9 VIDEO 0 SURROUND SPEAKERS REAR FRONT SPEAKERS AC OUTLET AC power code 5 1 DVD INPUT CENTER 5 1 DVD INPUT WOOFER SURROUND SPEAKERS CENTER 1 2 3 4 5 6 7 8 9 0 ...

Page 5: ...URROUND button press the power I u button to turn on the main power Either the message NORMAL or GAIN UP appears When the product enters this mode again the other gain appears Select the desired gain SECTION 3 DIAGRAMS 3 1 CIRCUIT BOARDS LOCATION Waveforms For schematic diagrams Note All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and...

Page 6: ...1 Q232 E 3 1 2 A B C D E F G H 3 4 5 6 7 8 9 10 11 12 13 14 15 DISPLAY BOARD KEY BOARD F TO VOLUME BOARD CNP202 J TO MAIN BOARD CNS204 1 665 280 11 12 1 10 E 1 9 5 1 INPUT 1 80 24 25 65 64 40 41 IC201 1 665 281 11 12 HALL C STUDIO PRO LOGIC REMOTO SEUSOR 4 1 PRESET TUNING MEMORY DIRECT VIDEO TV DBS CD TUNER PHONO TAPE MD EFFECT DELAY TIME SET UP 5 1 DVD INPUT MODE SHIFT FM MODE TUNING REAR LEVEL C...

Page 7: ...STR SE581 9 10 3 3 SCHEMATIC DIAGRAM DISPLAY SECTION See page 6 for Waveforms See page 25 for IC Pin Functions ...

Page 8: ...01 WOOFER J253 R L R L R L F TO DISPLAY BOARD CNS202 10 1 BASS BASS BOOST TREBLE BALANCE E E E E 5 8 4 1 16 15 30 1 1 5 4 8 1 7 1 7 16 CN505 CN501 Page 15 Page 15 Page 15 Page 7 Page 15 JW261 E 11 12 3 4 PRINTED WIRING BOARD VOLUME VIDEO SECTION 1 2 A B C D E F G H I 3 4 5 6 7 8 9 10 11 12 13 Ref No Location D238 F 5 D310 H 12 IC404 C 9 IC500 C 11 IC502 C 12 Q361 D 6 Q362 C 6 Q363 C 6 Q364 C 6 Q36...

Page 9: ...STR SE581 13 14 3 5 SCHEMATIC DIAGRAM VOLUME VIDEO SECTION See page 7 for KEY Board Printed Wiring Board ...

Page 10: ...23 Page 19 Page 19 Page 19 Page 19 Page 7 Page 11 Page 12 Page 12 Page 12 15 16 3 6 PRINTED WIRING BOARD MAIN SECTION 1 2 A B C D E F G H I J K 3 4 5 6 7 8 9 10 11 12 13 14 15 Ref No Location D311 J 5 D312 J 5 D560 C 7 D610 C 7 D710 J 13 D721 H 6 D722 H 6 D723 I 6 D724 H 6 D725 I 6 D726 I 6 D727 J 6 D728 J 5 D801 I 7 D802 F 13 D803 D 13 D804 K 8 D810 C 14 D811 C 14 D812 C 14 D813 C 14 D814 C 13 D8...

Page 11: ...STR SE581 17 18 3 7 SCHEMATIC DIAGRAM MAIN SECTION 1 3 See page 6 for Waveforms See page 27 for IC Block Diagrams OSC ...

Page 12: ...ONDARY BOARD SP SW BOARD STANDBY BOARD C TO MAIN BOARD CNS802 B A TO MAIN BOARD CNP702 TO MAIN BOARD CN706 D TO MAIN BOARD CN801 OFF ON TO MAIN BOARD CN706 A 1 665 289 11 12 1 665 285 11 12 1 665 286 11 12 1 665 287 11 12 J741 PHONES S701 SPEAKERS T901 POWER TRANSFORMER 1 3 1 5 1 5 1 10 AC IN AC OUTLET 16 Page 16 Page 16 Page 16 Page 16 Page 16 CNJ902 ...

Page 13: ...STR SE581 21 22 3 9 SCHEMATIC DIAGRAM MAIN SECTION 2 3 SP SW See page 15 for MAIN Board Printed Wiring Board See page 27 for IC Block Diagrams ...

Page 14: ...4 3 10 SCHEMATIC DIAGRAM MAIN SECTION 3 3 POWER See page 15 for MAIN Board Printed Wiring Board See page 19 for SECONDARY PRIMARY STANDBY Board Printed Wiring Boards See page 27 for IC Block Diagrams CN902 CNP903 JW1 ...

Page 15: ... Relay Power relay drive Not used A D signal input terminal A D3 key input terminal A D2 key input terminal A D1 key input terminal Power supply 5V Reference voltage 5V Ground Not used Open Ground System clock 4 19MHz System clock 4 19MHz Mute drive output for µPD2581V IC701 Plologic LED drive CINEMA STUDIO LED drive Hall LED drive Tuner mute drive output Pin Name DIG7 DIG6 DIG5 DIG4 DIG3 DIG2 DIG...

Page 16: ... signal input from NJM2103D IC950 Ground Sircs signal input Power switch input terminal 5 1ch input LED Power supply 5V Bass boost LED drive Line mute drive Surround Lch mute Input for model select Key in 4 Key in 3 Key in 2 Key in 1 Surround Rch mute Key out 1 Key out 2 Key out 3 Key out 4 Connect to 24V Fluorescent indicator tube drive Pin Name VOLUME UP VOLUME DOWN STANDBY SYS POWER RDS DATA IN...

Page 17: ...15 10 11 12 13 14 16 21 18 19 25 17 24 22 23 20 34 32 33 29 30 35 28 31 27 26 36 40 39 38 37 41 42 NOISE FILTER NOISE CH BALANCE CONTROL VR CONTROL LPF V REF VR VR NOISE GENERATOR VCA VCA VCA VCA VCA VCA VCA VCA LPF LPF RECT RECT RECT RECT P S P S CMODE MUTE DIVIDER OSC CONTROL CTRIM LOG DIFF LOG DIFF DUAL T CONTROL L IN R IN V SS CLK DATA V CC L OUT R OUT S OUT C OUT ENABLE OSC1 CMODE CAP C TRIM ...

Page 18: ...E PRE DRIVE 1 2 3 4 5 6 7 8 V VSB SESIN VSA RESET GND OUTC VSC CR VREF Q R S IC401 LC7822 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 CONTROL LATCH SHIFT RESISTOR LEVEL SHIFT CL DI CE VEE OUT IN OUT IN OUT IN VSS S RESET VDD OUT IN IN OUT IN OUT IN 1 2 3 4 5 6 7 8 9 TR3 R1 R2 TR4 TR6 TR7 R4 R9 TR5 TR1 TR2 R6 D4 D3 R7 R8 TR8 D1 D2 R5 R3 INPUT NF VEOUT VEOUT VSS ...

Page 19: ...TION Ref No Part No Description Remarks Ref No Part No Description Remarks 1 4 980 639 01 KNOB R14 2 X 4946 873 1 KNOB R48 ASSY 3 X 4949 644 1 FRONT PANEL ASSY 4 4 989 843 01 BUTTON P T 5 4 921 941 01 CUSHION FL 6 4 943 107 11 HOLDER FL TUBE 7 4 980 658 01 CASE 413226 8 3 710 901 11 SCREW TAPPING 9 A 4407 439 A DISPLAY BOARD COMPLETE 10 1 782 100 11 WIRE FLAT TYPE 23 CORE 11 1 769 911 11 WIRE FLAT...

Page 20: ...RY BOARD 56 1 665 285 11 STANDBY BOARD 57 A 4407 444 A MAIN BOARD COMPLETE 58 3 703 244 00 BUSHING 2104 CORD 59 4 997 684 21 BACK PANEL 60 A 4407 443 A VIDEO BOARD COMPLETE 61 1 782 668 11 WIRE FLAT TYPE 11 CORE 62 X 4947 208 1 FOOT ASSY F50150S 63 4 924 098 01 HOLDER PC BOARD 64 A 4392 780 A SWITCH BOARD COMPLETE 65 4 954 051 51 HOLDER PC BOARD 69 1 782 243 11 WIRE FLAT TYPE 15P 70 3 905 609 01 S...

Page 21: ... 719 313 50 DIODE SEL6810A TH12 PRO LOGIC D239 8 719 057 97 DIODE SEL5923A TP15 5 1 DVD D240 8 719 057 97 DIODE SEL5923A TP15 5 1 DVD FILTER FL201 1 517 141 11 INDICATOR TUBE FLUORESCENT IC IC201 8 759 479 19 IC uPD78044FGF 064 3B9 IC202 8 759 962 08 IC BA6208 IC203 8 759 332 18 IC GP1U27XB REMOTE SENSOR COIL L401 1 410 509 11 INDUCTOR 10uH TRANSISTOR Q201 8 729 900 63 TRANSISTOR DTA124ES Q202 8 7...

Page 22: ...E 3 S235 1 762 378 11 SWITCH TACTILE 4 S236 1 762 378 11 SWITCH TACTILE 5 S237 1 762 378 11 SWITCH TACTILE DIRECT S238 1 762 378 11 SWITCH TACTILE MODE S239 1 762 378 11 SWITCH TACTILE CD A 4407 444 A MAIN BOARD COMPLETE 3 905 609 01 SCREW TRANSISTOR 4 812 134 00 RIVET DIA 3 5 NYLON 7 685 646 79 SCREW BVTP 3X8 TYPE2 IT 3 7 685 872 09 SCREW BVTT 3X8 S CAPACITOR C302 1 126 934 11 ELECT 220uF 20 16V ...

Page 23: ...00PF 10 50V C654 1 104 665 11 ELECT 100uF 20 16V C660 1 137 372 11 FILM 0 022uF 5 50V C702 1 162 282 31 CERAMIC 100PF 10 50V C703 1 104 665 11 ELECT 100uF 20 10V C705 1 102 233 00 CERAMIC 33PF 10 500V C710 1 126 967 11 ELECT 47uF 20 16V C711 1 137 372 11 FILM 0 022uF 5 50V C720 1 162 286 31 CERAMIC 220PF 10 50V C721 1 126 934 11 ELECT 220uF 20 10V C722 1 126 964 11 ELECT 10uF 20 50V C740 1 128 562...

Page 24: ...749 010 25 IC MN2488 OPY M Q704 8 749 010 26 IC MP1620 OPY M Q710 8 729 119 78 TRANSISTOR 2SC403SP 51 Q720 8 729 140 82 TRANSISTOR 2SA988 PAFAEA Q721 8 729 140 82 TRANSISTOR 2SA988 PAFAEA Q722 8 729 140 84 TRANSISTOR 2SC1841 PAFAEA Q723 8 729 119 78 TRANSISTOR 2SC403SP 51 Q751 8 729 119 76 TRANSISTOR 2SA1175 HFE Q752 8 729 141 30 TRANSISTOR 2SC3623A LK Q753 8 749 010 25 IC MN2488 OPY M Q754 8 749 ...

Page 25: ... R632 1 249 426 11 CARBON 5 6K 5 1 4W R651 1 249 417 11 CARBON 1K 5 1 4W F R652 1 249 438 11 CARBON 56K 5 1 4W R653 1 249 438 11 CARBON 56K 5 1 4W R654 1 249 413 11 CARBON 470 5 1 4W F R660 1 249 393 11 CARBON 10 5 1 4W F R661 1 249 389 11 CARBON 4 7 5 1 4W F R662 1 249 437 11 CARBON 47K 5 1 4W R701 1 249 417 11 CARBON 1K 5 1 4W F R702 1 249 439 11 CARBON 68K 5 1 4W R703 1 249 414 11 CARBON 560 5 ...

Page 26: ...ATOR CERAMIC 8MHz 1 665 286 11 PRIMARY BOARD FUSE F901 1 533 310 11 FUSE GLASS TUBE 6 3A 125V HOLDER FH901 1 533 233 21 HOLDER FUSE FH951 1 533 233 21 HOLDER FUSE 1 665 287 11 SECONDARY BOARD CONNECTOR CNP801 1 764 479 11 PIN CONNECTOR PC BOARD 10P FUSE F801 1 576 108 11 FUSE 4A 125V F802 1 576 108 11 FUSE 4A 125V HOLDER FH801 1 533 233 21 HOLDER FUSE FH802 1 533 233 21 HOLDER FUSE FH851 1 533 233...

Page 27: ... 883 00 CARBON 150K 5 1 4W R433 1 249 427 11 CARBON 6 8K 5 1 4W F R434 1 249 413 11 CARBON 470 5 1 4W F R438 1 249 441 11 CARBON 100K 5 1 4W R441 1 249 441 11 CARBON 100K 5 1 4W R444 1 247 903 00 CARBON 1M 5 1 4W R464 1 247 903 00 CARBON 1M 5 1 4W R469 1 247 903 00 CARBON 1M 5 1 4W R476 1 249 429 11 CARBON 10K 5 1 4W R477 1 249 439 11 CARBON 68K 5 1 4W R478 1 249 417 11 CARBON 1K 5 1 4W F R480 1 2...

Page 28: ...BON 4 7K 5 1 4W F R365 1 249 425 11 CARBON 4 7K 5 1 4W F R366 1 249 441 11 CARBON 100K 5 1 4W R367 1 249 441 11 CARBON 100K 5 1 4W R368 1 249 441 11 CARBON 100K 5 1 4W R369 1 249 441 11 CARBON 100K 5 1 4W R370 1 249 441 11 CARBON 100K 5 1 4W R371 1 249 441 11 CARBON 100K 5 1 4W R421 1 249 430 11 CARBON 12K 5 1 4W R422 1 249 422 11 CARBON 2 7K 5 1 4W F R423 1 247 903 00 CARBON 1M 5 1 4W R424 1 247 ...

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