Denon AVR-1705 Service Manual

Av surround receiver/amplifier

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3 7 63 1515 0

MODEL

L 13942296513

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.

www

http://www.xiaoyu163.com

SERVICE MANUAL

AVR-1705/685

AV SURROUND RECEIVER/AMPLIFIER

u163

16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN

http://www.xiaoyu163.com

2 9

For U.S.A., Canada, Europe,

China & Taiwan R.O.C. model

Q Q

6 7

1 3

1 5

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。

9 4

2 8

Ver. 1

0 5

2 9

9 4

2 8

X0202 V.01 DE/CDM 0406

9 9

Need help?

Do you have a question about the AVR-1705 and is the answer not in the manual?

Questions and answers

杨鸿光

February 13, 2025

问一下，该机荧光数码管的灯丝电压是交流多少伏？

Summary of Contents for Denon AVR-1705

Page 1 3 7 63 1515 0 For U.S.A., Canada, Europe, China & Taiwan R.O.C. model Ver. 1 SERVICE MANUAL AVR-1705/685 MODEL AV SURROUND RECEIVER/AMPLIFIER L 13942296513 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。 For purposes of improvement, specifications and 本機の仕様は性能改良のため、予告なく変更すること...
Page 2 AVR-1705/685 3 7 63 1515 0 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 AVR-1705/685 DIMENSION 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
Page 4 AVR-1705/685 CAUTION IN SERVICING 3 7 63 1515 0 サービス時の注意事項 Initializing AV SURROUND RECEIVER AV サラウンドアンプの初期化について AV SURROUND RECEIVER initialization should be performed マイコンやマイコン周辺部品、Digital 基板等を交換した場合 when the µcom, peripheral parts of µcom, and Digital P.W.B. are は、AV サラウンドアンプの初期化を行って下さい。 replaced.
Page 5 AVR-1705/685 ADJUSTMENT 3 7 63 1515 0 調整 Audio Section オーディオセクション Idling Current アイドリング電流の調整 Required measurement equipment: DC Voltmeter 調整に必要な測定器 : DC Voltmeter 1. Preparation 1. 準備 (1) Avoid direct blow from an air conditioner or an electric (1) セットをクーラ、扇風機のそばなど風通しの良い場所...
Page 6 AVR-1705/685 Video Section 3 7 63 1515 0 ビデオセクション Component Video Level Adjustment コンポーネントビデオレベルの調整 Required measurement equipment etc.: Oscilloscope, DVD 調整に必要な測定器 : Oscilloscope, DVD VIDEO PLAYER VIDEO PLAYER (ex: DVD-1500) ( 例 : DVD-1500) Test disc: DVD T-S01 テストディスク : DVD T-S01 1.
Page 7 AVR-1705/685 3 7 63 1515 0 Oscilloscope MONITOR OUT (Y,Cb,Cr) VR603 VR602 VR601 L 13942296513 Video Section u163 http://www.xiaoyu163.com...
Page 8 AVR-1705/685 3 7 63 1515 0 Y-Signal Vo lts I R E: FLT 100.0 714 ± 50mV 10.0 -20.0 -10.0 20.0 30.0 40.0 50.0 60.0 Fig.1 Component Video Y signal Volt s I R E: FLT 50.0 486±50 (U.S.A. & Canada model) L 13942296513 -50.0...
Page 9 AVR-1705/685 BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
Page 10 AVR-1705/685 LEVEL DIAGRAMS (1/2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
Page 11 AVR-1705/685 LEVEL DIAGRAMS (2/2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
Page 12 AVR-1705/685 SEMICONDUCTORS 3 7 63 1515 0 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 CXP740096 (IC201) PI6/SO1 PI7/SI1 PE0/INT0 PE1/INT2 PE2/PWM0 PE3/PWM1 PB7/SI2 PB6/SO2 PB5/SCK2 PB4/TO2 PG0/TxD PG1/RxD PG2/EC0 PG3/EC1 PG4/EC2...
Page 13 AVR-1705/685 3 7 63 1515 0 Pin Name Function RELAY_FRONT_B FRONT B RELAY RELAY_FRONT_A FRONT A RELAY RELAY_SURR SURROUND RELAY RELAY_CNT CENTER RELAY RELAY_H/P RELAY H/P FUNC_UP ENCODER INPUT (FUNCTION) H/P_DETECT DETECT H/P FUNC_DOWN ENCODER INPUT (FUNCTION) SURR_SB_MUTE SURROUND BACK MUTE...
Page 14 AVR-1705/685 3 7 63 1515 0 Pin Name Function RDS_CLK RDS(TDA7330) CLOCK FLAG3 Special flag for ROM update FLAG2 DSP operation check flag FLAG1 NON USE FLAG0 EPROM chip select control for DSP VIDEO_SEL1 VDEO_SEL2 REMOCON REMOTE CONTROL SIGNAL INPUT...
Page 15 AVR-1705/685 3 7 63 1515 0 ADSP-21266SKSTZ-2B (IC804) PIN 1 INDICATOR TOP VIEW ADSP-21266SKSTZ-2B Terminal Function LQFP LQFP LQFP LQFP Pin Name Pin # Pin Name Pin # Pin Name Pin # Pin Name Pin # DDINT DDINT DDEXT...
Page 16 AVR-1705/685 3 7 63 1515 0 LC89057W (IC807) EMPHA/UO AUDIO/VO XMODE Microcontroller RXOUT C bit, U bit 37 DO 36 RERR 24 SDIN 23 SLRCK Input Demodulation 22 SBCK Data Selector 21 RDATA & Selector 21 RDATA Lock Detect...
Page 17 AVR-1705/685 3 7 63 1515 0 Pin Name Function XOUT X’tal osc. connecting output terminal X’tal osc. connection, external clock input terminal (24.576MHz or 12.288MHz) DVDD — Digital power DGND — Digital GND EMPHA/UO Emphasis information/U-data output/Chip address setting terminal...
Page 18 AVR-1705/685 3 7 63 1515 0 AD1837 (IC808) DVDD DVDD DBCLK CLATCH DLRCLK PD/RST AGND AGND OUTR4 TOP VIEW OUTL1 OUTL4 OUTR1 AGND AGND AVDD AVDD OUTR3 OUTL2 DVDD DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH COUT MCLK PD/RST M/S AVDD AVDD...
Page 19 AVR-1705/685 3 7 63 1515 0 NJM2274R (IC614) TC90A69F (IC609) VIEW PLL DET IIC BUS Power Save CTL 8fsc 4fsc (8fsc) CORING V-ENHANCER Vref CORING Ped. DELAY PEAKING CLIP INTERPOLATION LINE LINE Clamp MEMORY MEMORY KILLER 3 Vout Disc.
Page 20 AVR-1705/685 3 7 63 1515 0 BA7625 (IC651) BA7626 (IC612,613,616,652,653) Monitor OUT CTL A V OUT1 LOGIC CTL E CTL B LOGIC V OUT2 CTL D CTL C MONITOR OUT V OUT 1 V OUT 2 IN 1 IN 1...
Page 21 AVR-1705/685 3 7 63 1515 0 LH28F800BJE (IC805) SN74LV573APW (IC818,819) L 13942296513 SN74LVC139APWR (IC820) FUNCTION TABLE (each decoder/demultiplexer) INPUTS OUTPUTS OUTPUTS SELECT u163 http://www.xiaoyu163.com...
Page 22 AVR-1705/685 2. FL DISPLAY 3 7 63 1515 0 16-ST-66GNK (FL301) TUNED STEREO PHONO TUNER DVD / AUTO -2 -3 V.AUX TAPE ZONE2 PRO LOGICII DIGITAL DIGITAL ANALOG G2~G16 G12 G10 TUNED STEREO PHONO TUNER DVD / VDP TV...
Page 23 AVR-1705/685 PRINTED WIRING BOARDS 3 7 6 3 1 5 1 5 0 MAIN P.W.B. UNIT 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
Page 24 AVR-1705/685 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 25 AVR-1705/685 3 7 6 3 1 5 1 5 0 CPU CONNECT P.W.B. UNIT 1 3 9 4 2 2 9 6 5 1 3 w w w COMPONENT SIDE u 1 6 3 http://www.xiaoyu163.com...
Page 26 AVR-1705/685 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w FOIL SIDE u 1 6 3 http://www.xiaoyu163.com...
Page 27 AVR-1705/685 3 7 6 3 1 5 1 5 0 CNT P.W.B. UNIT 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE http://www.xiaoyu163.com...
Page 28 AVR-1705/685 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 29 AVR-1705/685 3 7 6 3 1 5 1 5 0 PRE-AMP P.W.B. UNIT COMPONENT SIDE 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 30 AVR-1705/685 3 7 6 3 1 5 1 5 0 INPUT-VOL P.W.B. UNIT COMPONENT SIDE 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 31 AVR-1705/685 3 7 6 3 1 5 1 5 0 DSP P.W.B. UNIT COMPONENT SIDE 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 32 AVR-1705/685 3 7 6 3 1 5 1 5 0 VIDEO P.W.B. UNIT (for AVR-1705/685 U.S.A. & Canada model only) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 COMPONENT SIDE...
Page 33 AVR-1705/685 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FOIL SIDE http://www.xiaoyu163.com...
Page 34 AVR-1705/685 3 7 63 1515 0 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.
Page 35 AVR-1705/685 PARTS LIST OF P.W.B. UNIT 3 7 63 1515 0 ＊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 column "Remarks" indicate the following destinations. E3 : U.S.A. & Canada model E3 : U.S.A. & Canada model (AVR-685) E2 : Europe model E1C : China model EUT : Taiwan R.O.C.
Page 36 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty RESISTORS GROUP R104C 00D 963 9006 285 R,FIXED RSD-R1-1WJ-5.6K R104FL 00D 963 9006 285 R,FIXED RSD-R1-1WJ-5.6K R104FR 00D 963 9006 285 R,FIXED RSD-R1-1WJ-5.6K R104SL 00D 963 9006 285 R,FIXED RSD-R1-1WJ-5.6K...
Page 37 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty R179 00D 963 9003 055 R,METAL FILM 47K-F,1/4W R181 00D 963 0047 900 R,METAL FILM 4.7-J,1W For E2,E1C,EUT R184 00D 963 9006 256 R,FIXED RSD-R1-1WJ-10...
Page 38 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C161 00D 963 9006 308 CAP.E. 10UF/50V C171 00D 963 9005 312 C,ELECT 100UF-M/10V C171A 00D 963 0020 202 C,CERAMIC 0.1UF-Z/50V C171B 00D 963 0020 202 C,CERAMIC 0.1UF-Z/50V...
Page 39 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CP992 00D 963 0115 201 CN,ASSY 200MM/3P F101 00D 963 0104 704 FUSE T2.5A /250V For E2 F102 00D 960 0188 705 FUSE 125V-S8A For E3,EUT AVR685...
Page 40 AVR-1705/685 CPU P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC201 00D 963 0147 004 CXP740096-187Q IC202 00D 963 0057 602 TDA7330BD for E2,E1C,EUT IC271 00D 963 0114 707...
Page 41 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C203 00D 963 9004 698 C,CERAMIC 0.01UF-K/50V C204 00D 963 9005 914 C,ELECT 4.7UF-M/50V C205 00D 963 9004 711 C,CERAMIC 0.1UF-Z/50V C206 00D 963 9005 862...
Page 42 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CP402 00D 963 0088 008 CN.WAFER 10P CP552 00D 963 0087 504 CN.WAFER 19P for E3, AVR-685 CP552 00D 963 0097 507 CN.WAFER 15P for E2,E1C,EUT...
Page 43 AVR-1705/685 INPUT-VOL P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC701 00D 963 0096 401 BD3811K1 IC702 00D 963 0114 503 BD3812F IC721 00D 963 0024 004 NJM2068M IC761-763...
Page 44 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C711R 00D 963 9004 698 C,CERAMIC 0.01UF-K/50V C713L 00D 963 9006 308 CAP.E. 10UF/50V C713R 00D 963 9006 308 CAP.E. 10UF/50V C714L 00D 963 9003 152 C,FILM 0.068UF-J/100V...
Page 45 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C783SR 00D 963 9004 630 C,CERAMIC 39PF-J/50V C783SW 00D 963 9004 575 C,CERAMIC 100PF-J/50V C786SW 00D 963 9006 476 CAP.E. 4.7UF/50V C791,792 00D 963 9006 447 CAP.E.
Page 46 AVR-1705/685 CNT P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC401 00D 960 0100 301 KIA7812API IC601 00D 963 0148 401 LA7956 IC621,622 00D 963 0148 401 LA7956 Q101SB...
Page 47 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CAPACITORS GROUP C101SB 00D 963 9006 450 CAP.E. 47UF/50V C102SB 00D 963 9006 308 CAP.E. 10UF/50V C103SB 00D 963 9003 084 C,CERAMIC 100PF-K/500V C104SB 00D 963 9003 084...
Page 48 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty CN554A 00D 963 0115 104 CN,WIRE 80MM/12P CN554B 00D 963 0099 408 CN,WIRE 80MM/4P CN555 00D 963 0110 701 CN.WAFER 14P CN556 00D 963 0086 709 CN.WAFER 11P...
Page 49 AVR-1705/685 PRE-AMP P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP Q501C 00D 960 0196 603 KTC2874B Q501FL 00D 960 0196 603 KTC2874B Q501FR 00D 960 0196 603 KTC2874B Q501SL...
Page 50 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C502SL 00D 963 9006 308 CAP.E. 10UF/50V C502SR 00D 963 9006 308 CAP.E. 10UF/50V C503C 00D 963 9003 165 C,CERAMIC 220PF 500V C503FL 00D 963 9003 165...
Page 51 AVR-1705/685 DSP P.W.B. UNIT ASS'Y 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC802,803 00D 963 0113 106 OPTICAL GP1FA513RZ IC804 00D 963 0147 402 ADSP-21266 IC805 00D 963 0146 908 LH28F800BJE...
Page 52 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C815 00D 963 9005 312 C,ELECT 100UF-M/10V C816 00D 963 9004 708 C,CERAMIC 0.1UF-K/50V C817 00D 963 9005 778 C,ELECT 10UF-M/50V C818 00D 963 9005 749...
Page 53 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C875SR 00D 963 9005 778 C,ELECT 10UF-M/50V C875SW 00D 963 9005 778 C,ELECT 10UF-M/50V C876 00D 963 9004 708 C,CERAMIC 0.1UF-K/50V C876C 00D 960 9008 611 C,FILM 0.0033UF-J/100V...
Page 54 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty L801 00D 963 0050 900 COIL,INDUCTOR 4.7UH L803 00D 963 0050 900 COIL,INDUCTOR 4.7UH L805 00D 963 0050 900 COIL,INDUCTOR 2.2UH XTAL1 00D 963 0095 101 CRYSTAL 12.288MHZ...
Page 55 AVR-1705/685 VIDEO P.W.B. UNIT ASS'Y (for AVR-1705/685 U.S.A. & Canada model only) 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty SEMICONDUCTORS GROUP IC600-604 00D 963 0147 907 TK15420MTL IC605 00D 963 0148 207 LA7108M...
Page 56 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty D612 00D 960 0197 000 KDS160 D612C 00D 963 9006 599 R,CHIP 0-J,1/10W D613 00D 960 0197 000 KDS160 D613C 00D 963 9006 599 R,CHIP 0-J,1/10W...
Page 57 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C640 00D 963 9004 711 C,CERAMIC 0.1UF-Z/50V C641,642 00D 963 9005 862 C,ELECT 47UF-M/16V C643 00D 963 9004 711 C,CERAMIC 0.1UF-Z/50V C645 00D 963 9005 901...
Page 58 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty C712 00D 963 9005 862 C,ELECT 47UF-M/16V C713 00D 963 0144 609 C,CERAMIC 12PF-J/50V C714 00D 963 9004 591 C,CERAMIC 22PF-J/50V C715 00D 963 9004 753 C,CERAMIC 0.047UF-Z/50V...
Page 59 AVR-1705/685 EXPLODED VIEW 3 7 6 3 1 5 1 5 0 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ください。 1 3 9 4 2 2 9 6 5 1 3 Note: The symbols indicate the following destinations.
Page 60 DSP P.W.B. Ass'y for EUT DSP P.W.B. u163 00D 963 0142 407 VIDEO P.W.B. Ass'y for AVR-1705/685E3 model only C-S VIDEO 2 P.W.B. for AVR-1705/685E3 model only COMP-V2 P.W.B. for AVR-1705/685E3 model only V-CNT UP2 P.W.B. for AVR-1705/685E3 model only V-CNT DOWN2 P.W.B.
Page 61 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty 00D 963 0136 808 PANEL FRONT for E3 00D 963 0137 001 PANEL FRONT for E2 00D 963 0137 108 PANEL FRONT for E1C,EUT 00D 963 0136 905...
Page 62 AVR-1705/685 3 7 63 1515 0 Ref. No. Part No. Part Name Remarks Q'ty 00D 963 0141 602 POWER TRANS for E3, AVR-685 00D 963 0109 615 POWER TRANS for E2 00D 963 0109 628 POWER TRANS for E1C...
Page 63 AVR-1705/685 PACKING VIEW 3 7 63 1515 0 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 column "Remarks" indicate the following destinations. E3 : U.S.A. & Canada model E3 : U.S.A. & Canada model (AVR-685)
Page 64 AVR-1705/685 WIRING DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
Page 65 AVR-1705/685 NOTE FOR SCHEMATIC DIAGRAM 3 7 63 1515 0 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。 Parts marked with this symbol ! have critical characteristics. 従って交換時は必ず指定の部品を使用してください。 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。...
Page 66 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (1/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SIGNAL LINE SCHEMATIC DIAGRAMS (1/10) INPUT/VOLUME UNIT http://www.xiaoyu163.com...
Page 67 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (2/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (2/10) SIGNAL LINE DSP UNIT (1/2)
Page 68 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (3/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SIGNAL LINE SCHEMATIC DIAGRAMS (3/10) DSP UNIT (2/2)
Page 69 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (4/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (4/10) SIGNAL LINE CPU UNIT http://www.xiaoyu163.com...
Page 70 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (5/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w SIGNAL LINE u 1 6 3 SCHEMATIC DIAGRAMS (5/10) PRE-AMP UNIT CNT UNIT 1-CH AMP UNIT http://www.xiaoyu163.com...
Page 71 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (6/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SIGNAL LINE SCHEMATIC DIAGRAMS (6/10) MAIN UNIT http://www.xiaoyu163.com...
Page 72 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (7/10) 3 7 6 3 1 5 1 5 0 AVR-1705/685 E3 model only 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (7/10) C-S VIDEO 2 UNIT...
Page 73 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (8/10) 3 7 6 3 1 5 1 5 0 AVR-1705/685 E3 model only 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 SCHEMATIC DIAGRAMS (8/10) COMP-V2 UNIT...
Page 74 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (9/10) 3 7 6 3 1 5 1 5 0 AVR-1705E2, E1C, EUT, AVR-1505/484E3 model only 1 3 9 4 2 2 9 6 5 1 3 w w w SCHEMATIC DIAGRAMS (9/10) u 1 6 3...
Page 75 AVR-1705/685/1505/485 SCHEMATIC DIAGRAMS (10/10) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 SIGNAL LINE w w w u 1 6 3 SCHEMATIC DIAGRAMS (10/10) FRONT UNIT TACT SW UNIT...

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