Denon AVR-550SD Service Manual
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Denon AVR-550SD Service Manual

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MODEL
For purposes of improvement, specifications and
●
design are subject to change without notice.
Please use this service manual with referring to the
●
operating instructions without fail.
Some illustrations using in this service manual are
●
slightly different from the actual set.
SERVICE MANUAL
AVR-550SD
AV SURROUND RECEIVER
TOKYO , JAPAN
For Japan & Europe model
注 意
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。
●
 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。
 
 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。
 
Ver. 1
S-1147V.01 DE/CDM 0407

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  • Page 1 For Japan & Europe model Ver. 1 SERVICE MANUAL AVR-550SD MODEL AV SURROUND RECEIVER 注 意 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 For purposes of improvement, specifications and ● ●  があります。 design are subject to change without notice.
  • Page 2 AVR-550SD SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. 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.

  • Page 3: Level Diagram

    AVR-550SD LEVEL DIAGRAM...
  • Page 4 AVR-550SD...

  • Page 5: Block Diagram

    BLOCK DIAGRAM AVR-550SD...
  • Page 6 AVR-550SD SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. 主な半導体を記載しています。汎用の半導体は記載を省略しています。 1. IC’s Note: Abbreviation ahead of IC No. indicates the name of P.W.B., etc. 注 ): IC No. の前の記号は、基板の名称を表します。 MAIN: AUDIO DIGITAL P.W.B. FRONT: FRONT P.W.B.
  • Page 7 AVR-550SD ICE2B265 (SMPS:IC2) ICE2B0565 (SMPS:IC3) Pin Assignmen SoftS Isense Drain Drain Block Diagram Sense csth 0.3V 5.3V 4.8V 4.0V 16.5V 5.6V Soft-Start 6.5V Soft-Start...
  • Page 8 AVR-550SD TAS5076 (MAIN: IC100) Pin Assignment 79 78 77 76 75 72 71 70 69 68 67 66 65 64 63 62 61 VREGB_CAP DVDD_RCL MCLK_IN DVSS_RCL AVDD_PLL DVDD_PWM PLL_FLT_OUT DVSS_PWM PLL_FLT_RET PWM_AP_4 AVSS_PLL PWM_AM_4 VALID_4 VREGA_CAP PWM_BM_4 DVSS1 PWM_BP_4...
  • Page 9 AVR-550SD TAS5182 (MAIN: IC102,103,104) Pin assignments GLS_A SLS_A SHS_A DTC_HS GHS_A DTC_LS BST_A OC_HIGH DHS_A VRFILT GLS_B SLS_B SHS_B RESET_AB GHS_B BST_B DHS_B GLS_C SLS_C RESET_CD SHS_C GHS_C BST_C SHUTDOWN DHS_C ERR0 GLS_D ERR1 SLS_D LOW/HIZ SHS_D GHS_D BST_D DHS_D...
  • Page 10 AVR-550SD AK4588 (MAIN: IC219) Pin assignments TEST1 INT1 BOUT TVDD DVDD AVSS DVSS AVDD VREFH VCOM (Top View) TEST3 MCKO2 MCKO1 COUT ROUT1 UOUT VOUT LOUT1 SDTO2 BICK2 ROUT2 LRCK2 SDTO1 LOUT2 BICK1 LRCK1 ROUT3 CDTO Block Diagram PVSS PVDD...
  • Page 11 AVR-550SD Functions...
  • Page 12 AVR-550SD Pin Name Function AVDD Analog Power Supply Pin, 4.5V 5.5V Analog Ground Pin, 0V AVSS Receiver Channel 0 Pin (Internal biased pin) This channel is default in serial mode. No Connect This pin should be connected to PVSS. Receiver Channel 1 Pin (Internal biased pin)
  • Page 13 AVR-550SD PCM1804 (MAIN: IC212,213,214) Pin Assignment AGNDL AGNDR L– R– FMT0 AGND FMT1 OVFL OSR0 OVFR OSR1 OSR2 SCKI BYPAS LRCK/DSDBCK DGND BCK/DSDL DATA/DSDR Block Diagram OSR0 SCKI OSR1 Control OSR2 V IN L+ Delta-Sigma Decimation Modulator (L) Filter (L) V IN L–...
  • Page 14 AVR-550SD IS42S16100 (MAIN: IC223) Pin Assignment I/O0 I/O15 I/O1 I/O14 GNDQ GNDQ I/O2 I/O13 I/O3 I/O12 VCCQ VCCQ I/O4 I/O11 I/O5 I/O10 GNDQ GNDQ I/O6 I/O9 I/O7 I/O8 VCCQ VCCQ LDQM UDQM Block Diagram COMMAND MEMORY CELL DECODER ARRAY &...
  • Page 15 AVR-550SD NJU7313A (I/O: IC851) BU2090F (FRONT: IC902,607) TS10P05G (SMPS:BD1) BU2090F (IC302, 1003, 1005) CONTROL CIRCUIT DATA 12-bit SHIFT REGISTER CLOCK 12-bit STRAGE REGISTER O U TP U T B U F FE R (O P E N D R A IN )
  • Page 16 AVR-550SD M66005FP (FRONT: IC901) BLOCK DIAGRAM Display code RAM CGROM ..SEG00 Bank 1 : 8bit x 16 (35bit x 160) Bank 2 : 8bit x 64 Segment SEG26 output . . .

  • Page 17: Top View

    AVR-550SD SN74VHCU04N (I/O: IC7) RC1117-25 (MAIN: IC215) RC1117-33 (MAIN: IC404) NJM2068M (MAIN: IC220~222,231~242) MM74LCX244 (MAIN: IC225,227,228) MM74HCT244 (MAIN: IC226) NJM4560M (MAIN: IC230) 74LCX244 (IC809~811) TOP VIEW M29W800AT (MAIN: IC224) PIN DESCRIPTION Symbol Pin Name BYTE A0-A18 Address Inputs DQ15A-1 DQ0-DQ7...
  • Page 18 AVR-550SD CXP7400P10 (MAIN: IC401) Block Diagram...

  • Page 19: Monitor Out

    AVR-550SD KIA7805API (MAIN: IC407) BA7626(VIDEO: IC601,603,607) KIA7812API (MAIN: IC406) MONITOR OUT Monitor OUT IN 1 CTL A IN 2 IN 3 V OUT1 LOGIC IN 4 IN 5 V OUT 1 CTL E CTL B LOGIC V OUT2 IN 2...
  • Page 20 AVR-550SD LC74781 (VIDEO: IC609)

  • Page 21: Front View

    AVR-550SD TRANSISTORS KRC107M DTC Series KRA102M KRA Series KRA102S KRC Series KRA104M KRC102S KTC3198 KRC107S 2SA933 KTA3875S KTA1266 KTA1504S KSA916 KRC234S KSC2383(Q3) KTC2875 KSR1004(Q4,Q5) KRC107M/S FRONT 10Kohm 47Kohm 10Kohm 10Kohm KRA102M/S VIEW VIEW KRC102S 10Kohm 10Kohm 47Kohm 47Kohm KRA104M 4.7Kohm...
  • Page 22 AVR-550SD DIODE SF3006PT(D11) FRONT VIEW 1.Anode 2.Cathode 3.Anode SFAF808G(G5) FRONT VIEW...

  • Page 23: Pin Connection

    AVR-550SD 2. FL DISPLAY 15-ST-43GN PIN CONNECTION GRID ASSINMENT...
  • Page 24 AVR-550SD ANODE CONNECTION...
  • Page 25 AVR-550SD PRINTED WIRING BOARDS MAIN P.W.B. UNIT COMPONENT SIDE...
  • Page 26 AVR-550SD FOIL SIDE...
  • Page 27 AVR-550SD VIDEO P.W.B. UNIT COMPONENT SIDE...
  • Page 28 AVR-550SD FOIL SIDE...
  • Page 29 AVR-550SD FRONT P.W.B. UNIT COMPONENT SIDE...
  • Page 30 AVR-550SD FRONT P.W.B. UNIT FRONT P.W.B. UNIT FRONT P.W.B. UNIT FOIL SIDE FOIL SIDE...
  • Page 31 AVR-550SD SMPS P.W.B. UNIT...

  • Page 32: Note For Parts List

    AVR-550SD NOTE FOR PARTS LIST Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis- supplying.

  • Page 33: Parts List Of P.w.b. Unit

    AVR-550SD PARTS LIST OF P.W.B. UNIT ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります NOTE:The symbols in the coloumn “Remarks“indicate the following destinations. E2:Europe model JP:japan model MAIN P.W.B. UNIT ASS'Y Ref.No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC100 IC TAS5076 J080 50760 001 0 IC102...
  • Page 34 AVR-550SD Ref.No. Part No. Part Name Remarks D103SR D,SCHOTTKY SMAB36 K120 36000 001 0 D104C D,SCHOTTKY SMAB36 K120 36000 001 0 D104FL D,SCHOTTKY SMAB36 K120 36000 001 0 D104FR D,SCHOTTKY SMAB36 K120 36000 001 0 D104RR D,SCHOTTKY SMAB36 K120 36000 001 0...
  • Page 35 AVR-550SD Ref.No. Part No. Part Name Remarks Q100SR SEMI IRFZ24N J540 2400R 000 0 Q101C SEMI IRFZ24N J540 2400R 000 0 Q101FL SEMI IRFZ24N J540 2400R 000 0 Q101FR SEMI IRFZ24N J540 2400R 000 0 Q101RR SEMI IRFZ24N J540 2400R 000 0...
  • Page 36 AVR-550SD Ref.No. Part No. Part Name Remarks R179C METAL 10K-J,1/4W C060 10306 305 0 R179FL METAL 10K-J,1/4W C060 10306 305 0 R179FR METAL 10K-J,1/4W C060 10306 305 0 R179SBR METAL 10K-J,1/4W C060 10306 305 0 R179SL METAL 10K-J,1/4W C060 10306 305 0...
  • Page 37 AVR-550SD Ref.No. Part No. Part Name Remarks C104S CERAMIC 0.1UF-Z/50V D006 10459 705 0 C105C ELECT 10UF-M/50V D040 10008 705 0 C105F ELECT 10UF-M/50V D040 10008 705 0 C105S ELECT 10UF-M/50V D040 10008 705 0 C106C CERAMIC 0.1UF-K/50V D011 10457 716 0 C106F CERAMIC 0.1UF-K/50V...
  • Page 38 AVR-550SD Ref.No. Part No. Part Name Remarks C117FL CERAMIC 0.1UF-K/50V D011 10457 716 0 C117FR CERAMIC 0.1UF-K/50V D011 10457 716 0 C117RR CERAMIC 0.1UF-K/50V D011 10457 716 0 C117SL CERAMIC 0.1UF-K/50V D011 10457 716 0 C117SR CERAMIC 0.1UF-K/50V D011 10457 716 0 C118C CERAMIC 0.022UF-K/25V...
  • Page 39 AVR-550SD Ref.No. Part No. Part Name Remarks C138 ELECT 10UF-M/50V D040 10008 705 0 C139 ELECT 100UF-M/16V D040 10108 310 0 C140 CERAMIC 0.1UF-K/50V D011 10457 716 0 C141 ELECT 100UF-M/16V D040 10108 310 0 C141F CERAMIC 1000PF-K/50V D011 10277 716 0...
  • Page 40 AVR-550SD Ref.No. Part No. Part Name Remarks C205SL CERAMIC 100PF-J/50V D010 10116 716 0 C205SR CERAMIC 100PF-J/50V D010 10116 716 0 C205SW CERAMIC 100PF-J/50V D010 10116 716 0 C206C CERAMIC 2200PF-K/50V D011 22277 716 0 C206L CERAMIC 2200PF-K/50V D011 22277 716 0...
  • Page 41 AVR-550SD Ref.No. Part No. Part Name Remarks C272 CERAMIC 0.1UF-K/50V D011 10457 716 0 C273 CERAMIC 0.1UF-K/50V D011 10457 716 0 C274 CERAMIC 1200PF-K/50V D011 12277 716 0 C275 CERAMIC 68PF-J/50V D010 68016 716 0 C276 ELECT 2.2UF-M/50V D040 2R208 710 0 C277 CERAMIC 0.1UF-K/50V...
  • Page 42 AVR-550SD Ref.No. Part No. Part Name Remarks C314 CERAMIC 0.1UF-K/50V D011 10457 716 0 C315 CERAMIC 0.1UF-K/50V D011 10457 716 0 C316 ELECT 47UF-M/35V D040 47008 506 0 C317 CERAMIC 0.1UF-K/50V D011 10457 716 0 C318 CERAMIC 0.1UF-K/50V D011 10457 716 0 C320 CERAMIC 0.1UF-K/50V...
  • Page 43 AVR-550SD Ref.No. Part No. Part Name Remarks C852R CERAMIC 100PF-J/50V D010 10116 716 0 C853L CERAMIC 100PF-J/50V D010 10116 716 0 C853R CERAMIC 100PF-J/50V D010 10116 716 0 C854 CERAMIC 1000PF-K/50V D011 10277 716 0 C855L CERAMIC 100PF-J/50V D010 10116 716 0...
  • Page 44 AVR-550SD Ref.No. Part No. Part Name Remarks BD205 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 BD206 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 BD207 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 BD208 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 BD209 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0...
  • Page 45 AVR-550SD Ref.No. Part No. Part Name Remarks JACK805 MODULE GP1FA513TZ E100 15130 001 0 L106 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 L107 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 L108 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 L112C BEAD,COIL HB-IT2012-121JT 7611 01000 002 0...
  • Page 46 AVR-550SD VIDEO P.W.B. UNIT ASS'Y Ref.No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC230 IC BA4560F J121 45600 004 1 IC601 IC BA7626F J171 76260 001 0 IC603 IC BA7626F J171 76260 001 0 IC606 IC BA7626F J171 76260 001 0...
  • Page 47 AVR-550SD Ref.No. Part No. Part Name Remarks Q629 SEMI KTC3198Y J502 3198Y 000 0 Q630 SEMI KTC3198Y J502 3198Y 000 0 Q631 SEMI KTA1504Y(ASY) J520 1504Y 021 0 Q632 SEMI KTA1504Y(ASY) J520 1504Y 021 0 Q633 SEMI 2SA933S J500 0933S 005 0...
  • Page 48 AVR-550SD Ref.No. Part No. Part Name Remarks C305R ELECT 10UF-M/50V D040 10008 705 0 C306L CERAMIC 2200PF-K/50V D011 22277 716 0 C306R CERAMIC 2200PF-K/50V D011 22277 716 0 C308L CERAMIC 56PF-J/50V D010 56016 716 0 C308R CERAMIC 56PF-J/50V D010 56016 716 0...
  • Page 49 AVR-550SD Ref.No. Part No. Part Name Remarks C653 ELECT 47UF-M/16V D040 47008 308 0 C654 CERAMIC CH20PF-J/50V D000 20016 706 0 C655 CERAMIC CH20PF-J/50V D000 20016 706 0 C656 CERAMIC CH22PF-J/50V D000 22016 706 0 C657 CERAMIC CH22PF-J/50V D000 22016 706 0...
  • Page 50 AVR-550SD Ref.No. Part No. Part Name Remarks CB606 BEAD,COIL BFS 3550R2F 7610 03550 003 0 CB608 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 CB609 BEAD,COIL HB-IT2012-121JT 7611 01000 002 0 CN601 CN,WIRE 150MM/10P L000 15110 004 0 For JP CN602 CN,WIRE 150MM/11P...

  • Page 51: Front P.w.b. Unit Ass'y

    AVR-550SD FRONT P.W.B. UNIT ASS'Y Ref.No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC901 IC M66005-0001AFP J127 66005 003 0 IC902 IC BU2090F J044 20900 001 0 D901 D,SWITCHING KDS160(UF) K005 01600 001 0 D902 D,SWITCHING KDS160(UF) K005 01600 001 0...
  • Page 52 AVR-550SD Ref.No. Part No. Part Name Remarks C956 C,CERAMIC 0.01UF-M/16V D005 10377 353 0 C971 C,CERAMIC 0.01UF-K/50V D011 10377 716 0 C972 C,CERAMIC 0.01UF-K/50V D011 10377 716 0 C973 C,CERAMIC 0.01UF-K/50V D011 10377 716 0 C974 C,CERAMIC 0.01UF-K/50V D011 10377 716 0 C975 C,CERAMIC 0.01UF-K/50V...
  • Page 53 AVR-550SD SMPS P.W.B. UNIT ASS'Y Ref.No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC ICE1QS01 MICF 00015 000 9 IC ICE2B265 MICP 20265 010 9 IC ICE2B0565 MICP 50165 010 9 DIODE 1N4007 MDIR 10210 022 0 DIODE 1N4007 MDIR 10210 022 0...
  • Page 54 AVR-550SD Ref.No. Part No. Part Name Remarks CERAMIC 22p/50V (22p) MCCD 01500 022 0 MYLER 0.1uF/100V K(2A104J) MFCA 01001 104 J ELEC. 47uF/50V MEC0 45000 470 0 ELEC. 47uF/50V MEC0 45000 470 0 CERAMIC 1000pF/1KV.K (102P) MCCD 01100 210 2 ELEC.
  • Page 55 AVR-550SD Ref.No. Part No. Part Name Remarks BRIDGE DIODE TS10P05G MDIB 10360 01B 8 CONNECTOR YW369-03AV MWFS 02579 W00 0 CONNECTOR YW396-04V MWFS 04539 W00 0 CONNECTOR TUP-P09P-B1 MWFS 09920 W00 0 CONNECTOR TUP-P07P-B1 MWFS 07920 W00 0 CHOKE COIL 2.9uH MID0 00005 000 0 CHOKE COIL 2.9uH...

  • Page 56: Exploded View

    AVR-550SD EXPLODED VIEW WARNING: Parts List Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.  印の部分は安全を維持するために重要 な部品です。従って交換時は必ず指定の 部品を使用して下さい。 CAUTION. ご注意。 バックパネルの分解･組み立てを行なうときは インプット基板をはずして作業してください。 （インプット基板のコンデンサーＣ813がメインシャーシに接触して破損する危険があります。） When you perform disassembly of a BACK PANEL, and an assembly, please work removing an INPUT B.D.

  • Page 57: Parts List Of Exploded View

    AVR-550SD PARTS LIST OF EXPLODED VIEW Note:The symbols in the cloumn"Remakes"indicate the following destinations.. JP : Japan model E2 : Europe model Ref.No. Part No. Part Name Remarks Q’TY KNOB 5080 21100 800 0 KNOB 5087 21099 800 0 PANEL...
  • Page 58 AVR-550SD Ref.No. Part No. Part Name Remarks Q’TY TER,RCA 2PIN G601 02016 301 0 TER,RCA 1PIN G600 01000 303 0 CN.CATV L170 00125 001 0 SCREW,TAP TITE B020 03008 4B1 0 SCREW,TAP TITE B020 03008 1F1 0 SCREW 1500 00120 601 0...

  • Page 59: Packing View

    AVR-550SD PACKING VIEW PARTS LIST OF PACKING & ACCESSORIES ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 Note:The symbols in the cloumn"Remakes"indicate the following destinations.. JP : Japan model E2 : Europe model Ref.No. Part No. Part Name Remarks INSTRUCTION MANUAL 5707 21057 005 0 For JP...
  • Page 60 AVR-550SD LEVEL DIAGRAM...

  • Page 61: Note For Schematic Diagram

    AVR-550SD NOTE FOR SCHEMATIC DIAGRAM 配線図について WARNING: ! 印の部品は安全を維持するために重要な部品です。 従って交換時は必ず指定の部品を使用してください。 Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufactur- 注） CAUTION: (1) 指定なき抵抗値は Ω、ｋ は ｋΩ、M は MΩ を示す。 µ Before returning the unit to the customer, make sure you make (2) 指定なきコンデンサーの値は...

  • Page 62: Schematic Diagram

    SCHEMATIC DIAGRAM DSP1 UNIT AVR-550SD SCHEMATIC DIAGRAMS DSP1 UNIT...
  • Page 63 SCHEMATIC DIAGRAM DSP2 UNIT AVR-550SD SCHEMATIC DIAGRAMS DSP2 UNIT...

  • Page 64: Input Unit

    SCHEMATIC DIAGRAM INPUT UNIT AVR-550SD DIGITAL ANALOG SCHEMATIC DIAGRAMS INPUT UNIT...
  • Page 65 SCHEMATIC DIAGRAM AMP UNIT AVR-550SD SCHEMATIC DIAGRAMS AMP UNIT...
  • Page 66 SCHEMATIC DIAGRAM CPU UNIT AVR-550SD SCHEMATIC DIAGRAMS CPU UNIT...

  • Page 67: Video Unit

    SCHEMATIC DIAGRAM VIDEO UNIT AVR-550SD VIDEO INPUT SWITCHING (BA7626) SCHEMATIC DIAGRAMS VIDEO UNIT...
  • Page 68 SCHEMATIC DIAGRAM SPK UNIT AVR-550SD SUB VOLUME B'D CONNECT BOARD SCHEMATIC DIAGRAMS SPK UNIT...

  • Page 69: Front Unit

    SCHEMATIC DIAGRAM FRONT UNIT AVR-550SD SCHEMATIC DIAGRAMS FRONT UNIT...
  • Page 70 SCHEMATIC DIAGRAM SMPS UNIT (For JP model) AVR-550SD SCHEMATIC DIAGRAMS SMPS UNIT (For JP model)
  • Page 71 SCHEMATIC DIAGRAM SMPS UNIT (For E2 model) AVR-550SD SCHEMATIC DIAGRAMS SMPS UNIT (For E2 model)

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