Denon-AVR4806-avr-sm维修电路原理图.pdf

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1、SERVICE MANUALAV SURROUND RECEIVERMODELAVR-4806AV SURROUND AMPLIFIERMODELAVC-A11XVFor U.S.A., Canada, &Taiwan R.O.C., modelTOKYO JAPANX0228-2 V.02 DE/CDM 0701Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to the

2、operating instructions without fail.For purposes of improvement, specifications anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。前、必読。本機、火災、感電、対安全性確保、配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。補修用性能部品保有期間、製造打切後8年。注意Denon Brand Company, D&M Holdings Inc.Ve

3、r. 2PleaserefertotheMODIFICATION NOTICE.RadioFans.CN 收音机爱 好者资料库2AVR-4806/AVC-A11XVPlease heed the points listed below during servicing and inspection.Heed the cautions!Spots requiring particular attention when servicing, such asthe cabinet, parts, chassis, etc., have cautions indicated onlabels or s

4、eals. Be sure to heed these cautions and the cau-tions indicated in the handling instructions.Caution concerning electric shock!(1) An AC voltage is impressed on this set, so touching inter-nal metal parts when the set is energized could causeelectric shock. Take care to avoid electric shock, by for

5、 ex-ample using an isolating transformer and gloves whenservicing while the set is energized, unplugging the powercord when replacing parts, etc.(2)There are high voltage parts inside. Handle with extra carewhen the set is energized.Caution concerning disassembly and assembly!Though great care is ta

6、ken when manufacturing parts fromsheet metal, there may in some rare cases be burrs on theedges of parts which could cause injury if fingers are movedacross them. Use gloves to protect your hands.Only use designated parts!The sets parts have specific safety properties (fire resis-tance, voltage resi

7、stance, etc.). For replacement parts, besure to use parts which have the same properties. In particu-lar, for the important safety parts that are marked ! on wiringdiagrams and parts lists, be sure to use the designated parts.Be sure to mount parts and arrange thewires as they were originally!For sa

8、fety reasons, some parts use tape, tubes or other insu-lating materials, and some parts are mounted away from thesurface of printed circuit boards. Care is also taken with thepositions of the wires inside and clamps are used to keepwires away from heating and high voltage parts, so be sure toset eve

9、rything back as it was originally.Inspect for safety after servicing!Check that all screws, parts and wires removed or discon-nected for servicing have been put back in their original posi-tions, inspect that no parts around the area that has beenserviced have been negatively affected, conduct an in

10、sulationcheck on the external metal connectors and between theblades of the power plug, and otherwise check that safety isensured.(Insulation check procedure)Unplug the power cord from the power outlet, disconnect theantenna, plugs, etc., and turn the power switch on. Using a500V insulation resistan

11、ce tester, check that the insulation re-sistance between the terminals of the power plug and the ex-ternally exposed metal parts (antenna terminal, headphonesterminal, microphone terminal, input terminal, etc.) is 1M orgreater. If it is less, the set must be inspected and repaired.Concerning importa

12、nt safety partsMany of the electric and structural parts used in the set havespecial safety properties. In most cases these properties aredifficult to distinguish by sight, and using replacement partswith higher ratings (rated power and withstand voltage) doesnot necessarily guarantee that safety pe

13、rformance will be pre-served. Parts with safety properties are indicated as shownbelow on the wiring diagrams and parts lists is this servicemanual. Be sure to replace them with parts with the designat-ed part number.(1) Schematic diagrams . Indicated by the ! mark.(2) Parts lists . Indicated by the

14、 ! mark.Using parts other than the designated partscould result in electric shock, fires or otherdangerous situations.SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the cu

15、stomer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the powercord is less than 460 kohms, the unit is defective.CAUTIONCAUTION、点検時注意願。注意事項守！特注意必要個所、部品

16、、捺印注意事項表示。 注意書取扱説明書注意事項必守。感電注意！(1) 、交流電圧印加通電時内部金属部触感電。従通電時、絶縁使用手袋着用、部品交換、電源抜感電注意。(2) 内部高電圧部分、通電時取扱十分注意。分解、組立作業時注意！板金部品端面、部品製造時充分管理、 板金端面鋭利箇所有、 部品端面触指動怪我場合十分注意作業下。 手保護手袋着用。指定部品使用！部品難燃性耐電圧安全上特性持。従交換部品、使用同特性部品使用。特配線図、部品表 ! 印指定安全上重要部品必指定使用。部品取付配線引、 元！安全上、絶縁材料使用、基板浮取付部品。 内部配線引発熱部品高圧部品接近配慮、 必元。後安全点検！取外、部品

17、、配線元、 個所周辺劣化点検、外部金属端子部、電源刃間絶縁、安全性確保確認。（絶縁方法）電源電源抜、 外、電源入。500V 絶縁抵抗計用、電源端子外部露出金属部端子、端子、端子、入力端子間、絶縁抵抗値 1M 以上。値以下点検修理必要。安全上重要部品本機使用多電気部品、 機構部品安全上、 特別特性持。 特性場合、外観判別、部品高定格（定格電力、耐圧）持使用安全性維持、限。安全上特性持部品、配線図、 部品表表示必指定部品番号使用願。(1) 配線図 ! 表示。(2) 部品表 ! 表示。指定部品異使用場合、感電、火災危険生恐。注意注意RadioFans.CN 收音机爱 好者资料库3AVR-4806 /

18、 AVC-A11XVDIMENSION 4AVR-4806 / AVC-A11XVWIRE ARRANGEMENTIf wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noisegeneration.Wire ar

19、rangement viewed from the top整形図調整部品交換等、類結束移動場合、作業完了時点整形。正整形発生原因。上面整形Front Panel sideBack Panel side5AVR-4806 / AVC-A11XVWire arrangement viewed from the bottom下面整形Front Panel sideBack Panel side6AVR-4806 / AVC-A11XVCAUTION IN SERVICINGInitializing AV SURROUND RECEIVER/AMPLIFIERAV SURROUND RECEIVER/

20、AMPLIFIER initialization should be performed when the com, peripheral parts of com, and Digital P.W.B. are replaced.1. Switch off the unit using the Main units power operation switch. 2. Hold the following PURE DIRECT button and DIRECT/ STEREO button, and turn the Main units power operation switch o

21、n.3. Check that the entire display is flashing with an interval of about 1 second, and release your fingers from the 2 buttons and the microprocessor will be initialized.Note:If step 3 does not work, start over from step 1. All user settings will be lost and this factory setting will be recovered wh

22、en this initialization mode.So make sure to memorize your setting for restoring after the initialization.1,22時注意事項AV 初期化周辺部品、Digital 基板等交換場合、AV 初期化行下。1.電源 OFF 。2. / 同時押、電源 ON 。3.表示約 1 秒間隔点滅確認後、2 指離。初期化。注意 :上記 3 状態場合、一度操作 1 直。初期化行客様設定内容工場出荷状態戻、設定内容控初期化後再設定。1,227AVR-4806 / AVC-A11XVDISASSEMBLY(Follow

23、the procedure below in reverse order when reassem-bling.)1. Top Cover(1) Remove 9 screws on the top cover.(2) Remove 4 screws on the top cover.2. Front Panel(1) Remove 7 screws .(2) Remove 6 screws .(3) Remove 2 screws .214205214205214214201205206206201205205201各部（組立、逆順序行。 ）1. Top Cover(1) 9 本。(2) 4

24、 本。2. Front Panel(1) 7 本。(2) 6 本。(3) 2 本。2142052012052068AVR-4806 / AVC-A11XV3. Bottom Cover(1) Remove 11 screws .4. P.W.B. Unit of Back Panel(1) Remove 6 screws fixing the Back Panel .(2) Remove 3 screws .2052058521233206212212206206333. Bottom Cover(1) 11 本。4. P.W.B. Unit of Back Panel(1) Back Pan

25、el 取付 6 本。(2) 3 本。205332122069AVR-4806 / AVC-A11XV5. Regulator Unit(1) Remove 2 screws fixing the AUDIO REG. UNIT.(2) Remove 2 screws fixing the VIDEO REG. UNIT.(3) Remove 4 screws fixing the DSP REG. UNIT.6. Power Amp Unit L/R(1) Remove 4 screws fixing the Radiator Bracket A.(A : , A : )Right side

26、is same.206206205205205206206DSP REG. UNITVIDEO REG. UNITAUDIO REG. UNIT2115051(Left side)51502112115. Regulator Unit(1) AUDIO REG. UNIT 取付 2 本。(2) VIDEO REG. UNIT 取付 2 本。(3) DSP REG. UNIT 取付 4 本。6. Power Amp Unit L/R(1) Radiator Bracket (A) (A) 取付 4 本。(R) 側同様206206205505121110AVR-4806 / AVC-A11XVCL

27、OCK FLOW & WAVE FORM IN DIGITAL BLOCKClock Flow11AVR-4806 / AVC-A11XVWave formCH1: D-DATA1CH1: DATACH2: fsCH3: 64fsCH4: 256fs3CH1: DATACH2: fsCH3: 64fs212AVR-4806 / AVC-A11XVFRONT chLEVEL DIAGRAMS13AVR-4806 / AVC-A11XVCENTER ch14AVR-4806 / AVC-A11XVSUBWOOFER ch15AVR-4806 / AVC-A11XVSURROUND ch16AVR-

28、4806 / AVC-A11XVSURROUND BACK ch17AVR-4806 / AVC-A11XVZONE 2 L/R ch 18AVR-4806 / AVC-A11XVZONE3 L/R ch 19AVR-4806 / AVC-A11XVAUDIO SECTION BLOCK DIAGRAMS20AVR-4806 / AVC-A11XVVIDEO SECTION 21AVR-4806 / AVC-A11XVADJUSTMENTAUDIO SectionIDLING CURRENT (1U-3356-1,2)Required measurement equipment: DC Vol

29、tmeter1. PREPARATION(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room temperature 15 C 30 C (59 F 86 F).(2) Presetting POWER (Power source switch)OFF SPEAKER (Speaker terminal)No load(Do not connect speaker, dummy resistor, etc.)2. ADJUSTMENT(1) Rem

30、ove top cover and set VR101, VR301, VR401, on 1U-3356-1 (Power Amp L Unit), VR102, VR202, VR302, VR402 on 1U-3356-2 (Power Amp R Unit) at fully coun-terclockwise ( ) position.(2) Connect DC Voltmeter to test points (FRONT Lch: TP101, FRONT Rch: TP102, CENTER ch: TP202, SUR-ROUND-Lch: TP301, SURROUND

31、-Rch: TP302, SUR-ROUND BACK-Lch: TP401, SURROUND BACK-Rch: TP402).(3) U.S.A./CANADA/JAPAN/TAIWAN R.O.C. model. Connect power cord to AC Line, and turn power switch ON. EUROPE/ASIA/CHINA model.(AC 220V/230V) Connect power cord to AC Line, and hold the following DIMMER button and ROOM EQ button, and t

32、urn power switch ON.(4) Presetting.MASTER VOLUME: - counterclockwise ( min.)MODE: 7CH STEREOFUNCTION: CD(5) Allow 2 minutes, and turn VR101 clockwise ( ) to ad-just the TEST POINT voltage to 1.5 mV 0.2 mV DC.(6) After 10 minutes from preset, turn VR101 to set the volt-age to 2.0 mV 0.2 mV DC.(7) Adj

33、ust the Variable Resistors of other channels in the same way.調整電流調整 (1U-3356-1,2)調整必要測定器 :DC Voltmeter1. 準備(1) 、扇風機風通良場所避、通常使用状態置。周囲温度 15 30 、湿度常湿。(2) 電源OFF端子無負荷( 抵抗器接続。)2. 調整(1) 、1U-3356-1（ ） VR101, VR301, VR401、1U-3356-2（ ） VR102, VR202, VR302, VR402 反時計方向 ( ) 回切状態。(2) (FRONT Lch: TP101, FRONT Rch

34、: TP102, CENTER ch: TP202, SURROUND-Lch: TP301, SURROUND-Rch: TP302, SURROUND BACK-Lch: TP401, SURROUND BACK-Rch: TP402) DC Voltmeter 接続。(3) 電源 AC （95 105V 範囲）接続、電源 ON 。(4) ON 後、次。MASTER VOLUME（音量調節）反時計方向( ) 回、最小状態-。MODE : 7CH STEREOFUNCTION : CD(5) 2 分以内 VR101 時計方向 ( ) 回電圧次調整。1.5mV 0.2mV DC(6) 予備調整

35、 10 分後 VR101 回、次電圧設定。2.0mV 0.2mV DC(7) 同方法各可変抵抗調整。1U-3356-1VR402TP4021U-3356-2Power TransVR302TP302VR102TP102VR401TP401VR301TP301VR101TP101DC VoltmeterVR202TP20222AVR-4806 / AVC-A11XVVIDEO SectionI. MAIN ZONE1. SETTING(1) Connect the oscilloscope to the Y-signal and C-signal of S MONITOR OUT termina

36、l and each terminate at 75 Ohms.(2) Connect the oscilloscope to the Y-signal, PB-signal and CB-signal, PR-signal and CR-signal of COMPONENT MONITOR OUT2 terminal and each terminate at 75 Ohms. Use the 75 Ohms resistance must be 1%(3) DVD test disc : DVDT-S01(4) COMPONENT VIDEO OUT of DVD player is c

37、onnected to COMPONENT IN-1.2.BEFORE ADJUSTMENT 2.1. Setting the Oscilloscope as below.(1) PB/CB, PR/CR, C(a) TIME/DIV:10s(b) VOLT/DIV:100mV(Use the probe : x10 )(2) Y(a) TIME/DIV:10s(b) VOLT/DIV:200mV(Use the probe : x10 )Power on. Power SupplyUSA & Canada: 120VEurope: 230VJapan: 100VChina & Korea:

38、220V2.2. Setup the DVD player and confirmation of the stators(1) Set to INTERLACED mode at the COMPONENT OUT.(2) Confirm the DVD players out put level is equal as the item 2.4. in following.2.3. Preparation(1) Push POWER button with pressing DIMMER and ROOM EQ buttons.(2) Confirm 0.0dB appearing on

39、the FL display.(3) Turn the FUNCTION knob to select DVD input.(4) Push PURE DIRECT button to select PURE DIRECT. (FL display disappears and becomes adjustment mode.)(5) Push OPEN/CLOSE button of DVD player, then open the Disc Tray.Set DVD test disc (DVDT-S01) on the Disc Tray, and then push CLOSE bu

40、tton.(6) DVD player FL display appear STOP, push PLAY but-ton to playback DVD.(7) Push the DISPLAY button of remote control of DVD player unit and then appear the ON-Screen Display (GUI) on the monitor TV.(8) Push the +10 and 2 button, select Title 12 of DVD.(9) Push the ENTER button, playback Title

41、 12. (color bar 75%)I. MAIN ZONE1. 手順(1) S MONITOR OUT 端子 Y 信号 C 信号（終端抵抗：75）接続。(2) COMPONENT MONITOR OUT2 端子（Y, PB/CB, PR/CR ）（終端抵抗：75）接続。75 抵抗 1品使用事。(3) DVD ：DVDT-S01 用意。(4) DVD COMPONENT VIDEO OUT COMPONENT IN-1 接続。2. 調整2.1. 下記設定(1) PB/CB, PR/CR, C(a) TIME/DIV:10s(b) VOLT/DIV:100mV（ x10 使用）(2) Y(a

42、) TIME/DIV:10s(b) VOLT/DIV:200mV（ x10 使用）電源電圧：100V2.2. DVD 設定確認(1) COMPONENT OUT 設定 。(2) DVD 出力以下 2.4. 合確認。2.3. 準備手順(1) AC 挿入、 DIMMERROOM EQ押電源ON 。(2) FL 表示右上 VOL 表示 0.0dB 確認。(3) FUNCTION 回、入力 DVD 切替。(4) PURE DIRECT押、PURE DIRECT 。 （FL 表示消、調整。 ）(5) DVD OPEN/CLOSE押開、上 DVD （DVDT-S01）後、 CLOSE押。(6) DVD 表

43、示管上 STOP 表示、 PLAY押、再生。(7) DVD DISPLAY押 (GUI) 画面出。(8) 番号 +10 ,2 押、 Title 12 選択。(9) ENTER押、Title 12 再生。（75信号）23AVR-4806 / AVC-A11XV2.4. Procedure(1) Adjust the signal of S MONITOR OUT by the wave of os-cilloscope.(a) Target, Y-signalPoint:1U-3669 VR802Adjustment Value:714 14mVWaveform(b) Target, C-sig

44、nalPoint:1U-3669 VR803Adjustment Value:286 5mVWaveform(2) Adjust the signal of COMPONENT OUT by the wave of oscilloscope.(a) Target, Y-signalPoint:1U-3669 VR804Adjustment Value:714 14mVWaveform(b) Target, PB/CB-signalPoint:1U-3669 VR805Adjustment Value:*525 10mVWaveformY-signal of S MONITOR OUTYCC-s

45、ignal of S-MONITORYY-signal COMPONENT OUTPB/CB-signal COMPONENT OUTPB/CB2.4. 手順(1) S MONITOR OUT 信号上波高値調整。(a) Y 信号調整個所：1U-3669 VR802調整値： 714 14mV波形(b) C 信号調整個所：1U-3669 VR803調整値：286 5V波形(2) COMPONENT OUT 信号上波高値調整。(a) Y 信号調整個所：1U-3669 VR804調整値： 714 14V波形(b) PB/CB信号調整個所：1U-3669 VR805調整値：525 10V波形S MONI

46、TOR OUT Y 信号YCS MONITOR C 信号YCOMPONENT OUT Y 信号PB/CBCOMPONENT OUT PB/CB信号24AVR-4806 / AVC-A11XV(c) Target, PR/CR-signalPoint:1U-3669 VR806Adjustment Value:*525 10mVWaveform* : 486 10mV for U.S.A. & Canada model 1U-3669 D.VIDEO UNITPR/CR-signal COMPONENT OUTPR/CRVR802 S-YVR803 S-CVR804 YVR805 PB/CBVR

47、806 PR/CR(c) PR/CR信号調整個所：1U-3669 VR806調整値：525 10V波形PR/CRCOMPONENT OUT PR/CR信号25AVR-4806 / AVC-A11XVSEMICONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list.主半導体記載。汎用半導体記載省略。 1. ICsM30625FGPGP (IC151) DIGITAL P.W.B.M30625FGPGP Terminal FunctionPinPin NameSymb

48、olI/OTypeDetOp (Int.)Op (Ext.)ResFUNCTION1VREFVREF-AD ref. +5V2AVCCAVCC-AD +3.3V3P97/SIN4MPLDOSII-Lv-ZMAIN FPGA control pin4P96/SOUT4MPLDISOOC-ZMAIN FPGA control pin5P95/CLK4MPLDCLKOC-ZMAIN FPGA control pin6P94MPLDSTBOC-ZMAIN FPGA control pin7P93DSPOSCONOC-ZON=H(After 20ms from DIGITAL POWER ON)8P92

49、/SOUT3DSPISOOC-ZDSP control pin9P91/SIN3DSPOSI1I-Lv-ZDSP1/2/3 control pin10P90/CLK3DSPCLKOC-ZDSP control pin11P141DSPBOOTI-EuZDSP rewrite boot program (DSP rewrite: L input) /(DLINK ID writing mode start:L input set)12P140NCOC-ZNot used13BYTEBYTE-GND (Ext. data bus bit width switching, 16bit: L)14CN

50、VCSCNVSS-Ed-Single-chip/Micro-processor mode switching (Normal single-chip: L, Rewrite boot pro-gram start:H input set)15P87(DSPOSI2)OC-ZNot used (DSP2 control pin)16P86(DSPOSI3)OC-ZNot used (DSP3 control pin)17RESETSUBRESETI-Lv-EuLReset input (Reset: L)18XOUTX1O-Oscillator connection26AVR-4806 / AV