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SERVICE MANUAL

AV SURROUND RECEIVER

MODEL

AVR-550SD

TOKYO , JAPAN

S-1147V.01 DE/CDM 0407

Some illustrations using in this service manual are
slightly different from the actual set.

Please use this service manual with referring to the
operating instructions without fail.

For purposes of improvement, specifications and
design are subject to change without notice.

 本文中に使用しているイラストは、説明の都合上現物

 と多少異なる場合があります。

 修理の際は、必ず取扱説明書を参照の上、作業を行っ

 てください。

サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。

 本機の仕様は性能改良のため、予告なく変更すること

 があります。

 補修用性能部品の保有期間は、製造打切後8年です。

注 意

For Japan & Europe model

Ver. 1

Summary of Contents for AVR-550SD

Page 1: ...lustrations using in this service manual are slightly different from the actual set Please use this service manual with referring to the operating instructions without fail For purposes of improvement...

Page 2: ...cian LEAKAGE CURRENT CHECK Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to chassis resistance check If the leakage current exceeds 0 5 mill...

Page 3: ...3 AVR 550SD LEVEL DIAGRAM...

Page 4: ...4 AVR 550SD...

Page 5: ...5 AVR 550SD BLOCK DIAGRAM...

Page 6: ...B I O INPUT OUT PUT P W B ICE1QS01 SMPS IC1 Pin Assignmen Block Diagram 1 2 3 4 5 6 7 8 N C PCS RZI SRC VCC OUT GND OFC RZI UVLO Q Q SET CLR S R Reference Voltage and Current GND OUT Power Driver Ring...

Page 7: ...parator Current Limiting PWM OP Improved Current Mode Soft Start 13 5V 8 5V 6 5V C2 C1 16 5V 4 0V RFB 6 5V Protection Unit Power Down Reset Power Up Reset Power Management CSoft Start 21 5 100kHz Cool...

Page 8: ...PWM_BM_2 PWM_BP_2 PWM_AP_3 PWM_AM_3 VALID_3 PWM_BM_3 PWM_BP_3 NC NC NC DBSPD CLIP SDIN1 SDIN2 SDIN3 MCLK_OUT SCLK LRCLK DVDD DVSS VREGC_CAP DEM_SEL2 DEM_SEL1 M_S DVSS1 DVSS1 NC PWM Ch Output Control A...

Page 9: ...HS_D BST_D DHS_D GVDD GVSS DP DM BST_D DHS_D GHS_D SHS_D GLS_D SLS_D CP CM BST_C DHS_C GHS_C SHS_C GLS_C SLS_C BP BM BST_B DHS_B GHS_B SHS_B GLS_B SLS_B PWM Receiver Timing and Control HS Gate Drive L...

Page 10: ...NC ROUT2 NC LOUT2 NC ROUT3 INT0 TX1 TX0 MCLK VIN DAUX2 I2C RX7 CAD1 RX6 CAD0 RX5 TEST2 RX4 PVDD R PVSS RX3 NC RX2 Input Selector Clock Recovery Clock Generator DAIF Decoder AC 3 MPEG Detect DEM PP I F...

Page 11: ...11 AVR 550SD Functions...

Page 12: ...nally 66 PVDD PLL Power supply pin 5 0V 67 RX4 I Receiver Channel 4 Pin Internal biased pin 68 TEST2 I Test 2 Pin This pin should be connected to PVSS 69 RX5 I Receiver Channel 5 Pin Internal biased p...

Page 13: ...GNDR VCOMR VINR VINR AGND VCC OVFL OVFR RST SCKI LRCK DSDBCK BCK DSDL DATA DSDR HPF HPF Power Supply CLK Control Delta Sigma Modulator L VREFL VREFR Delta Sigma Modulator R Decimation Filter L Decimat...

Page 14: ...VCCQ NC UDQM CLK CKE NC A9 A8 A7 A6 A5 A4 GND CLK CKE CS RAS CAS WE A11 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 A10 COMMAND DECODER CLOCK GENERATOR MODE REGISTER REFRESH CONTROLLER REFRESH COUNTER SELF REFRESH...

Page 15: ...1 1N4007 IC SMAB36 IC BU2090F IC302 1003 1005 1 2 3 4 5 6 7 8 18 17 16 15 14 13 12 11 Q3 VDD OE Q7 Q8 Q11 Q10 Q9 Q6 VSS DATA CLOCK LCK Q0 Q1 Q2 9 10 Q4 Q5 CONTROL CIRCUIT 12 bit SHIFTREGISTER 12 bitST...

Page 16: ...EG38 DIG15 SEG39 SEG00 SEG26 SEG27 SEG34 12 1 DIG00 DIG11 scan pulse CS SCK SDATA 21 20 XIN XOUT 13 RESET BLOCK DIAGRAM 18 17 2 P0 P1 19 60 22 32 Vcc1 Vcc2 Vss Vp Serial receive circuit Code command c...

Page 17: ...N DESCRIPTION Pin Name Address Inputs Symbol A0 A18 Data Input Outputs Command Inputs DQ0 DQ7 Data Input Outputs DQ8 DQ14 Data Input Output or Address Input DQ15A 1 Chip Enable Output Enable Write Ena...

Page 18: ...18 AVR 550SD CXP7400P10 MAIN IC401 Block Diagram...

Page 19: ...minal takes 20kohm at the end BA7626 C D E V OUT 2 L L IN 1 H L L H IN 3 H H L IN 4 H H H IN 5 C D E V OUT 1 L L H L IN 2 L H IN 3 H H L IN 4 H H H IN 5 A B E MONITOR OUT L L IN 1 H L IN 2 L H IN 3 H...

Page 20: ...20 AVR 550SD LC74781 VIDEO IC609...

Page 21: ...61 564 Q661 664 Q761 764 KRC107M KRA102M KRA104M KTC3198 2SA933 KTA1266 KSA916 KSC2383 Q3 KSR1004 Q4 Q5 KRA102S KRC102S KRC107S KTA3875S KTA1504S KRC234S KTC2875 KRA102M S KRA104M KRC107M S KRC102S KR...

Page 22: ...22 AVR 550SD DIODE SF3006PT D11 SFAF808G G5 FRONT VIEW 1 Anode 2 Cathode 3 Anode FRONT VIEW 1 3 1 3 1 2 3...

Page 23: ...23 AVR 550SD 2 FL DISPLAY 15 ST 43GN PIN CONNECTION GRID ASSINMENT 46 45 90 1...

Page 24: ...24 AVR 550SD ANODE CONNECTION...

Page 25: ...25 AVR 550SD PRINTED WIRING BOARDS MAIN P W B UNIT COMPONENT SIDE...

Page 26: ...26 AVR 550SD FOIL SIDE...

Page 27: ...27 AVR 550SD VIDEO P W B UNIT COMPONENT SIDE...

Page 28: ...28 AVR 550SD FOIL SIDE...

Page 29: ...29 AVR 550SD FRONT P W B UNIT COMPONENT SIDE...

Page 30: ...30 AVR 550SD FRONT P W B UNIT FRONT P W B UNIT FRONT P W B UNIT FOIL SIDE FOIL SIDE...

Page 31: ...31 AVR 550SD SMPS P W B UNIT...

Page 32: ...some case supplying of part may be refused l When ordering of part clearly indicate 1 and I i to avoid mis supplying l Ordering part without stating its part number can not be supplied l Part indicate...

Page 33: ...M2068M J121 20680 002 0 IC233 IC NJM2068M J121 20680 002 0 IC234 IC NJM2068M J121 20680 002 0 IC235 IC NJM2068M J121 20680 002 0 IC236 IC NJM2068M J121 20680 002 0 IC237 IC NJM2068M J121 20680 002 0 I...

Page 34: ...60 UF K005 01600 001 0 D404 D SWITCHING KDS160 UF K005 01600 001 0 D405 D SWITCHING KDS160 UF K005 01600 001 0 D406 D SWITCHING KDS160 UF K005 01600 001 0 D407 D SWITCHING KDS160 UF K005 01600 001 0 D...

Page 35: ...502 3198Y 000 0 Q107S SEMI KTC3198Y J502 3198Y 000 0 Q108F SEMI KSA916Y J500 0916Y 005 0 Q108S SEMI KSA916Y J500 0916Y 005 0 Q202BL SEMI KTC2875B MB J522 2875B 001 0 Q202BR SEMI KTC2875B MB J522 2875B...

Page 36: ...305 0 R306 METAL 1K J 1 4W C060 01026 305 0 R412 METAL 1K J 1 4W C060 01026 305 0 R416 1K C200 01026 M16 0 For E2 R417 4K7 C200 04726 M16 0 For E2 R418 2M2 C200 02256 M16 0 For E2 R419 470K C200 0474...

Page 37: ...V D011 10317 G20 0 C113FR CERAMIC 0 01UF K 200V D011 10317 G20 0 C113RR CERAMIC 0 01UF K 200V D011 10317 G20 0 C113SL CERAMIC 0 01UF K 200V D011 10317 G20 0 C113SR CERAMIC 0 01UF K 200V D011 10317 G20...

Page 38: ...IC 0 01UF K 200V D011 10317 G20 0 C120SL1 CERAMIC 1000PF Z 50V D004 10206 706 0 C120SR CERAMIC 0 01UF K 200V D011 10317 G20 0 C120SR1 CERAMIC F1000PF Z 50V 5RE D004 10206 706 0 C122C FILM 1UF J 63V D0...

Page 39: ...11 10277 720 0 C150FL CERAMIC 0 1UF K 50V D011 10277 720 0 C150FR CERAMIC 0 1UF K 50V D011 10277 720 0 C150RR CERAMIC 0 1UF K 50V D011 10277 720 0 C150SL CERAMIC 0 1UF K 50V D011 10277 720 0 C150SR CE...

Page 40: ...1UF M 50V D040 R1008 706 0 C235 ELECT 10UF M 35V D040 10008 507 0 C236 ELECT 10UF M 35V D040 10008 507 0 C237 ELECT 0 1UF M 50V D040 R1008 706 0 C238 ELECT 0 1UF M 50V D040 R1008 706 0 C239 ELECT 0 1...

Page 41: ...RAMIC 0 1UF K 50V D011 10457 716 0 C302BL ELECT 10UF M 50V D040 10008 705 0 C302BR ELECT 10UF M 50V D040 10008 705 0 C302SW ELECT 10UF M 50V D040 10008 705 0 C303 ELECT 1UF M 50V D040 01008 708 0 C303...

Page 42: ...7 705 0 C442 CERAMIC 0 01UF K 50V D011 10377 716 0 C443 CERAMIC 0 01UF K 50V D004 10327 705 0 C444 ELECT 470UF M 6 3V D040 47108 123 0 C445 CERAMIC 0 01UF K 50V D004 10327 705 0 C447 CERAMIC 0 01UF K...

Page 43: ...CERAMIC 0 1UF K 50V D011 10457 716 0 C867 ELECT 47UF M 35V D040 47008 506 0 C868 ELECT 47UF M 35V D040 47008 506 0 C869 CERAMIC 100PF J 50V D010 10116 716 0 C870 CERAMIC 100PF J 50V D010 10116 716 0...

Page 44: ...BEAD COIL 3550R2F 7610 03550 003 0 CB420 BEAD COIL 3550R2F 7610 03550 003 0 CN101C CN WIRE 230MM 6P L000 23106 005 0 CN101F CN WIRE 110MM 5P L000 11105 010 0 CN101R CN WIRE 230MM 4P L000 23104 002 0 C...

Page 45: ...1 0 L116SL COIL TOROIDAL 7uH 24 10 D305 01024 001 0 L116SR COIL TOROIDAL 7uH 24 10 D305 01024 001 0 L117C COIL TOROIDAL 7uH 24 10 D305 01024 001 0 L117FL COIL TOROIDAL 7uH 24 10 D305 01024 001 0 L117F...

Page 46: ...01600 001 0 D610 D SWITCHING 1SS133T K000 01330 052 0 D611 D SWITCHING 1SS133T K000 01330 052 0 D612 D SWITCHING 1SS133T K000 01330 052 0 D613 D SWITCHING 1SS133T K000 01330 052 0 D616 D ZENER MTZJ5...

Page 47: ...2016 305 0 R661 METAL FILM 10 J 1 4W C060 01006 305 0 R662 METAL FILM 10 J 1 4W C060 01006 305 0 R663 METAL FILM 100 J 1 4W C060 01016 305 0 R673 METAL FILM 220 J 1 4W C060 02216 305 0 R674 METAL FILM...

Page 48: ...0 C619 ELECT 10UF M 50V D040 10008 705 0 C620 ELECT 10UF M 50V D040 10008 705 0 C621 ELECT 10UF M 50V D040 10008 705 0 C622 ELECT 10UF M 50V D040 10008 705 0 C623 ELECT 10UF M 50V D040 10008 705 0 C62...

Page 49: ...06 CERAMIC 100PF J 50V D010 10116 716 0 C707 CERAMIC 100PF J 50V D010 10116 716 0 C708 CERAMIC 100PF J 50V D010 10116 716 0 C709 CERAMIC 100PF J 50V D010 10116 716 0 C710 ELECT 47UF M 16V D040 47008 3...

Page 50: ...P605 CN WAFER TUC P05X B1 L101 10003 051 0 CP606 CN WAFER TUC P05X B1 L101 10003 051 0 CP607 CN WAFER TUC P17X B1 L101 10003 171 0 CP608 CN WAFER TUC P17X B1 L101 10003 171 0 CP609 CN WAFER TUC P07X B...

Page 51: ...TORS GROUP C900 C CERAMIC 0 1UF K 50V D011 10457 716 0 C901 C CERAMIC 0 1UF K 50V D011 10457 716 0 C902 C ELECT 100UF M 10V D040 10108 205 0 C903 C CERAMIC 100PF J 50V D010 10116 716 0 C904 C CERAMIC...

Page 52: ...12170 001 0 CP902 CN WAFER 53015 0310 3P L101 53015 031 0 CP905 CN WAFER 53015 0310 3P L101 53015 031 0 FLT901 DISPLAY FLT 15 ST 43GN K530 15430 001 0 JK902 JACK D3 5 HTJ035 18AB G G401 03518 001 0 L...

Page 53: ...DIZ 20116 004 Y ZD5 ZENER DIODE 1N5246B 0 5W 16V MDIZ 20116 004 Y ZD6 ZENER DIODE 1N5230B 0 5W 4 7V MDIZ 20104 7X2 Y 1 ZD7 ZENER DIODE 1N5250B 0 5W 20V MDIZ 20120 004 Y 2 ZD8 ZENER DIODE 1N5250B 0 5W...

Page 54: ...uF 25V MEC0 42500 101 0 2 C36 ELEC 470uF 25V MEC5 42500 471 0 C37 ELEC 470uF 25V MEC5 42500 471 0 C38 ELEC 100uF 25V MEC0 42500 101 0 C39 ELEC 1000uF 16V MEC5 41600 102 0 2 C40 ELEC 1000uF 16V MEC5 41...

Page 55: ...2 Q2 TR KSP2222A MTRN 70006 010 0 Q3 TR KSC2383 MTRN 16011 02Y 1 1 Q4 TR KSR1004 FJN3304RTA MTRN 50001 010 0 2 Q5 TR KSR1004 FJN3304RTA MTRN 50001 010 0 SCR1 SCR P0102 MCR 100 6 MMCS X0000 100 0 1 T1...

Page 56: ...S9 S10 S6 S6 S12 S12 S12 S12 S1 S1 S10 S5 S5 S5 S7 S7 S4 S4 S4 S4 S4 S4 S3 S3 S1 S1 S1 S1 S2 S2 S2 Parts List WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement...

Page 57: ...D ROUND K500 05600 006 0 1 22 KNOB 5080 21100 800 0 1 23 LED ROUND K500 05200 701 0 1 24 CUSHION 4050 21105 500 0 2 25 SW ENCODER G121 12113 001 0 1 26 SW ENCODER G121 16120 002 0 1 27 FOOT 4000 21027...

Page 58: ...S12 SR SCREW 2S 3 6 ZNY BH B020 03006 1B1 0 6 CLAMP 4330 04034 301 0 3 SCREW TAPPING ASSY B018 23014 1H1 1 1 CLAMP 4330 00031 000 0 1 CABLE FLAT CARD N712 17254 481 0 1 CABLE FLAT CARD N712 13603 481...

Page 59: ...COMTROL 8300 96500 001 0 For JP 5 POLY BAG 6337 00024 001 0 6 CUSHION SNOW L R 6230 21098 400 0 7 BOX GIFT 6008 21066 000 0 For JP 7 BOX GIFT 6007 21066 001 0 For E2 8 CARD WARRANTY 5727 00113 003 0 F...

Page 60: ...60 AVR 550SD LEVEL DIAGRAM...

Page 61: ...e current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power cord is less than 460 kohms the unit is defective WARNING DO NOT return the unit to the customer until the...

Page 62: ...62 AVR 550SD SCHEMATIC DIAGRAM DSP1 UNIT SCHEMATIC DIAGRAMS DSP1 UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 63: ...63 AVR 550SD SCHEMATIC DIAGRAM DSP2 UNIT SCHEMATIC DIAGRAMS DSP2 UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 64: ...64 AVR 550SD SCHEMATIC DIAGRAM INPUT UNIT SCHEMATIC DIAGRAMS INPUT UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H ANALOG DIGITAL...

Page 65: ...65 AVR 550SD SCHEMATIC DIAGRAM AMP UNIT SCHEMATIC DIAGRAMS AMP UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 66: ...66 AVR 550SD SCHEMATIC DIAGRAM CPU UNIT SCHEMATIC DIAGRAMS CPU UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 67: ...67 AVR 550SD SCHEMATIC DIAGRAM VIDEO UNIT SCHEMATIC DIAGRAMS VIDEO UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H VIDEO INPUT SWITCHING BA7626...

Page 68: ...68 AVR 550SD SCHEMATIC DIAGRAM SPK UNIT SCHEMATIC DIAGRAMS SPK UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H CONNECT BOARD SUB VOLUME B D...

Page 69: ...69 AVR 550SD SCHEMATIC DIAGRAM FRONT UNIT SCHEMATIC DIAGRAMS FRONT UNIT 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 70: ...70 AVR 550SD SCHEMATIC DIAGRAM SMPS UNIT For JP model SCHEMATIC DIAGRAMS SMPS UNIT For JP model 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

Page 71: ...71 AVR 550SD SCHEMATIC DIAGRAM SMPS UNIT For E2 model SCHEMATIC DIAGRAMS SMPS UNIT For E2 model 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H...

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