Yamaha-ACU16C-acu-sm维修电路原理图.pdf

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1、ACU16-C 1 SERVICE MANUAL PA 011673 20030301- 0.166K-0387 Printed in Japan 2003.02 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 3/4 PANEL LAYOUT. 5 DIMENSIONS. 5 CONNECTOR WIRING. 6 CIRCUIT BOARD LAYOUT. 7 WIRING. 7 BLOCK DIAGRAM. 8 DISASSEMBLY PROCEDURE. 10 LSI PIN DESCRIPTION. 13 IC BLOCK DIAGRAM. 17

2、CIRCUIT BOARDS. 20 INSPECTIONS. 29/31 TEST PROGRAM. 33/39 OVERALL CIRCUIT DIAGRAMS PARTS LIST （ECF：無塩素系漂白）使用。 AMP CONTROL UNIT （総合仕様） （） （寸法図） （） （） （結線図） （） （分解手順） （LSI端子機能表） （IC図） （基板図） （検査） （） （総回路図） （目次） RadioFans.CN 收音机爱 好者资料库 ACU16-C 2 WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRE

3、S IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The

4、wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The

5、 wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD. WARNING Components having special characteristics are marked and must be replaced with parts having specif

6、ication equal to those originally installed. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and

7、 under- stood by the users, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per- sonal injury, destruction of expensive components and failure of the product to perform as specified. For these reason

8、s, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certifi- cation, recognition

9、of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha

10、products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING :Static discharges can destroy expensive components. Disch

11、arge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus.) IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL

12、CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer

13、and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vap

14、or! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 印商品、安全維持重要部品。交換場合、 安全必指定部品使用下。 RadioFans.CN 收音机爱 好者资料库 ACU16-C 3 SPECIFICATIONS D/A converters 24-bit, 128-times oversampling Dynamic range 1 110 dB typical Freque

15、ncy response 20 Hz20 kHz +0.5, 1.5 dB (nominal output level 1 kHz) Crosstalk 80 dB ( 1 kHz, between adjacent channels) Signal delay 0.625 ms (CobraNet to analog output) Total harmonic distortion (20 Hz20 kHz) +4 dB output Less than 0.05% Full scale output Less than 0.01% Hum equivalent to a 20 kHz f

16、ilter with an infinite dB/octave attenuation. 92 dB CobraNet PRIMARY/SECONDARY connectors RJ-45 x2 (16 in), transformer isolated, IEEE 802.3 Network status indicators LINK, CONDUCT, ERROR LEDs Analog out Channels CH116 balanced outputs Connector Euro-block connectors 6-way x8 Source impedance 150 Fo

17、r use with nominal 10k lines Output level Nominal: +4 dB (1.23 V), Max. before clip: +18 dB (6.16 V) Computer ports TO COMPUTER 9-pin male D-sub (RS-232C) USB USB 1.1 Amp controlRS-485 RJ-45 x1 Unit ID 0F (015) Power Requirements U.S./Canada 110120 V, 50/60 Hz, 40 W Other 220240 V, 50/60 Hz, 40 W Di

18、mensions(W x H x D) 480 x 44.65 x 385.5 mm (18 7/8 x 1 3/4 x 15 5/32), 1U Net weight 4.8 kg (10.6 lbs) Operating free-air temperature range 040C (32104F) Storage temperature range 20 to 60C (4 to 140F) Supplied Accessories CD-ROM (NetworkAmp Manager, PDF manual, MIDI drivers) Power cord and retainin

19、g clamp USB cable 3-way Euro-block connectors x16 Owners Manual （総合仕様） ACU16-C 4 *16dB/oct.12.7kHz；20kHz dB/oct.同等 D/A24、128倍 *1 110dB typical 周波数特性20Hz20kHz0.5,1.5dB（出力 1kHz） 80dB（1kHz隣接間） 0.625ms（CobraNet 出力） 全高調波歪 4 d B 出 力 0.05% 全出力0.01% 、 *1 92dB CobraNet PRIMARY/SECONDARY RJ-452 （16入力） 、 、 IEE

20、E802.3 LINK、CONDUCT、ERRORLED 出力 CH116出力 68 150 10k 出力 ： 4dB （1.23V） 、 前最大 ： 18dB （6.16V） PC TO COMPUTER9D-sub（RS-232C） USBUSB1.1 RS-485RJ-451 ID0F（015） 電源100V、50/60Hz、40W 最大外形寸法（W H D）48044.65385.5mm、1U 重量4.8kg 動作環境温度040 保管温度2060 付属品 CD-ROM（NetworkAmpManager、PDF形式取扱説明書、 MIDI） 電源、誤脱防止 電源変換 USB 316 取扱

21、説明書 ACU16-C 5 PANEL LAYOUT 1 2 3 4 Front Panel USB port UNIT ID switch NETWORK STATUS indicators POWER ON/OFF switch 1 2 3 4 5 6 Grounding screw AC IN connector RS-485 port PRIMARY - Baudrate - ; UP_BAUDRATE SET_UPDATE_DEVICE, 0, Main ; - Update Main/Style Flash - UPDATE_BLOCK, 00200000, 4000, 1, 0

22、UPDATE_BLOCK, 00204000, 2000, 1, 4000 UPDATE_BLOCK, 00206000, 2000, 1, 6000 UPDATE_BLOCK, 00208000, 8000, 1, 8000 UPDATE_DEVICE, 00210000, 1000, 1, 10000 Status YAMAHA USB IN 0-1 YAMAHA USB OUT 0-1 RESETCLOSE Ready START Pre Check All 0100% Part ONE SHOT HiSpeed Serial Installer Version 0.52 - m2001

23、 FileHelp Static LOOP Model Name Script Status YAMAHA USB IN 0-1 YAMAHA USB OUT 0-1 RESETCLOSE Ready START Pre Check All 0100% Part ONE SHOT Script Done. 39 ACU16-C 1準備 条件 指定以下条件。 0dBu=0.775Vrms 0dBFS 0 信号 NHB32-C（治具用）入力。 出力負荷、10K 。 、計、歪率計入力100k 以上。 歪率測定 80KHz、-6dB OCT LPF補正。 目視試験，検聴試験時間、10 秒以上。 注）S

24、WUNIT ID （MAIN SW201:部品番号 V961460）回際、先端形 状、 SW適形状使用。SW 変形恐。 1.2 周辺機器 Windows PC（端子、USB端子、USB MIDI ） USBMIDI THR ON/OFFv入。 IN10 4/5（PC9500N） （AAX34720）CPU使用。 DIP-SW（SW801）、6 個全上上。 NHB32-C（治具用） PATCH”01”、以下設定。 AES EBU 1 CH1 CH8入力、CobraNet CH1 CH8出力 AES EBU 2 CH1 CH8入力、CobraNet CH9 CH16 出力 PATCH”02”、以下

25、設定。 AES EBU 1 CH1 CH8入力、CobraNet CH17 CH24出力 AES EBU 2 CH1 CH8入力、CobraNet CH25 CH32出力 CLOCK 、 ”AES EBU 1 1/2”設定。 DME32 SLOT1、SLOT2 ”MY8-AE”挿入。 SLOT1、SLOT2 全 CH，1KHz、-14dBFS出力。 CLOCK 、 ”Internal”設定。 1.3 起動方法 発行 ACU16-CNHB32-C専用通信”Tera Term Pro for ACUNHB”起動。 通信以下設定。 Baudrate：38400bps Data： 8bits Pari

26、ty：none Stop：1bit Flow control：none ACU16-C電源投入後、”F1”入力、起動。 起動時、PC 画面、以下例表示。 、該当検査項目番号入力、 ”ENTER”押。 選択検査項目応、検査項目一覧中、必要検査項目実施。 FIRMWARE VERSION: V1.00 1. NHB32-C FINAL ASSY 2. NHB32-C MAIN SHEET 3. NHB32-C AES SHEET 4. NHB32-C PN SHEET 5. ACU16-C FINAL ASSY 6. ACU16-C MAIN SHEET 7. ACU16-C DAC SHEET

27、”FST”入力、 ”ENTER”押FACTORY SET 実施。 （約30秒終了。 ） ACU16-C 40 （例） 2検査項目一覧 1 ： 自動判定 2 ：自動判定 3 ：自動判定 4 ：自動判定 5 ： 自動判定 6 ： 自動判定 7 ：自動判定 8 ：自動判定 9 ：自動判定 10 ： 切替自動判定 11 ：点灯 12 ：信号 13 ： 14 ： 15 ：抜、通常再起動。 尚、検査中 PC画面、以下現在検査内容、検査結果表示。 3総合検査 3 接続方法 DIAFLA FLASH MEMORY TEST OK: FLASH MEMORY TEST. O K DIARAM DRAM TEST

28、 NG: DRAM TEST. http:/plaza.yamaha.co.jp/ysiss/index.nsf) 6.1 接続 ACU16-C PC USB 接続、ACU16-C電源入。 6.2 PC設定 USB-MIDI THR ON OFF BOX外。 6.3 手順 ”wain. exe”起動、以下画面。 Pre Check 外、 START始、 画面以下。 終了、画面以下。 CLOSE、ACU16-C電源 OFF 。 HiSpeed Serial Installer Version 0.52 - m2001 FileHelp Static LOOP Model Name Script

29、Status YAMAHA USB IN 0-1 YAMAHA USB OUT 0-1 RESETCLOSE Ready START Pre Check All 0100% Part ONE SHOT HiSpeed Serial Installer Version 0.52 - m2001 FileHelp Static LOOP Model Name Script ACU16-C/NHB32-C Down Load. ; - Baudrate - ; UP_BAUDRATE SET_UPDATE_DEVICE, 0, Main ; - Update Main/Style Flash - U

30、PDATE_BLOCK, 00200000, 4000, 1, 0 UPDATE_BLOCK, 00204000, 2000, 1, 4000 UPDATE_BLOCK, 00206000, 2000, 1, 6000 UPDATE_BLOCK, 00208000, 8000, 1, 8000 UPDATE_DEVICE, 00210000, 1000, 1, 10000 Status YAMAHA USB IN 0-1 YAMAHA USB OUT 0-1 RESETCLOSE Ready START Pre Check All 0100% Part ONE SHOT HiSpeed Ser

31、ial Installer Version 0.52 - m2001 FileHelp Static LOOP Model Name Script Status YAMAHA USB IN 0-1 YAMAHA USB OUT 0-1 RESETCLOSE Ready START Pre Check All 0100% Part ONE SHOT Script Done. 1 2 3 4 5 6 7 8 9 10 11 12 13 ABCDEFGHIJKLMNOPQR ACU16-C OVERALL CIRCUIT DIAGRAM 1/10 (MAIN) C1 ACU16-C ACU16-CA

32、CU16-C CPU D-FF D-FF DRAM16M OR AND OR OR OR OR OR OR D-FFTE12L TE12L OR BUFFER D-FF FLASH ROM 4M 3-8 DEMULTIPLEXER 3-8 DEMULTIPLEXER EEPROM MAIN to C1: H11 to C2: G8 to C3: F5 to C4: L7 to C5: M2 to C2: G8 to C2: K4 to C5: O6 to C2: P4 to C2: K3 to C4: J8 to C1: H12, to C3: N2 to C5: E11 to C3: N5

33、to C2: K6, to C2: P3 to C3: E2 to C3: B7 to C3: D9 to C3: D7 to C3: K9 to C3: E2 to C3: J11 to C3: K9 to C2: K6, to C2: P3, to C5: E11 from C2: P4 from C2: P4 from C2: K5 to C2: G8 from C2: G8 to C3: K9 from C3: J10 from C3: J11 to C5: E11 to C2: P4 from C1: P4 to C1: K2 to C1: J8 to C2: K6 to C4: C

34、4, to C5: E11 to C3: E3 from C2: H9 from C3: J11 from C4: C4 to C4: C8, to C5: M2 to C3: P7 from C1: H11 from C3: J11 : not installed (未実装)未実装 C2 ACU16-C OVERALL CIRCUIT DIAGRAM 2/10 (MAIN) ACU16-C ACU16-CACU16-C BCDEFGHIJKLMNOPQA 1 2 3 4 5 6 7 8 9 10 11 12 CPU LINE DRIVER SYNC. Binary Counter CPU I

35、NVERTER MAIN from C1: G9 from C1: G8 from C1: J11 to C2: D2 from C1: F4 from C1: I4 to C1: J9 from C1: G9 from C1: J11 to C3: K9 from C3: J11 from C2: K2 from C1: G8 to C1: J8 to C1: J9 from C1: F3 from C3: C7 to C1: J9 to C1: L2 from C1: J9 from C1: M2 from C1: P4 : not installed (未実装)未実装 1 2 3 4 5

36、 6 7 8 9 10 11 12 ABCDEFGHIJKLMNOPQR ACU16-C OVERALL CIRCUIT DIAGRAM 3/10 (MAIN) C3 ACU16-C ACU16-CACU16-C BUS BUFFER TRANSCEIVER INVERTER INVERTER INVERTER REGULATOR +2.5V D-FF INVERTER BUFFER BUFFER BUS BUFFER BUS BUFFER BUFFER BUFFER not used from C1: J8 from C1: G9 from C1: K2 from C5: F7 from C

37、5: F7 from C5: F7 from C5: F7 to C5: F9 to C5: F9 to C5: F9 to C5: F9 from C4: C4 from C5: F8 from C1: E10 from C1: E11 from C1: F3 from C4: C3 from C4: C4 from C1: M2 from C1: E11 to C1: A9 from C4: C3 from C3: F5 from C1: E10 from C4: C4 from C5: F8 from C5: F8 from C5: F8 from C5: F8 from C5: F8

38、from C5: F8 from C5: F8 to C5: F9 to C5: F9 to C5: F9 to C5: F9 to C5: F10 to C5: F10 to C5: F10 to C5: F10 to C5: F9 to C5: F9 to C5: F9 to C5: F9 from C5: F7 from C5: F8 from C5: F8 from C5: F8 from C1: E12 from C1: J9 from C2: H6 from C1: E11 from C4: G5 from C4: C3 to C1: J9 to C1: J9 to C4: O3

39、to C4: C8 to C1: M8 to C1: E11 to C1: L2 to C2: H6 : not installed (未実装)未実装 C4 ACU16-C OVERALL CIRCUIT DIAGRAM 4/10 (MAIN) ACU16-C ACU16-CACU16-C ABCDEFGHIJKLMNOPQ 1 2 3 4 5 6 7 8 9 10 11 12 DIR2 BUFFER D-FF BUFFER SYNC. BINARY COUNTER SYNC. BINARY COUNTER INVERTER INVERTER BUFFER BUFFER BUFFER INVE

40、RTER CLOCK GENERATOR from C3: J11 to C1: M2 from C1: F4 from C3: K10 to C2: N8, to C3: C7, to C3: F4, to C3: K10 from C1: F4 to C1: L2 to C5: M1 to C5: M2 to C5: M2 from C1: K2 from C3: J11 to C5: E11 to C3: B9, to C3: F5, to C3: P9, to C5: E11 to C3: B8 : not installed (未実装)未実装 : Mylar Capacitor ()

41、() 1 2 3 4 5 6 7 8 9 10 11 12 ABCDEFGHIJKLMNOPQR ACU16-C OVERALL CIRCUIT DIAGRAM 5/10 (MAIN) C5 ACU16-C ACU16-CACU16-C BUFFER BUFFER DSP5 from C4: C6 from C4: C6 from C4: C7 from C1: M2 from C1: K2 from C1: F3 to C3: P8 to C3: P8 to C3: P8 to C3: P8 to C3: K9 to C3: K9 to C3: K9 to C3: K9 to C3: J4

42、to C3: J4 to C3: J5 to C3: J5 to C3: J3 to C3: J3 to C3: J4 to C3: J4 from C3: P8 from C3: P8 from C3: P8 from C3: P8 from C3: J7 from C3: J7 from C3: J7 from C3: J7 from C3: J5 from C3: J6 from C3: J6 from C3: J6 from C3: J6 from C3: J6 from C3: J6 from C3: J6 from C1: G8 from C1: G8 from C1: J10 f

43、rom C1: F4 from C4: C4 from C4: C4 C6 ACU16-C OVERALL CIRCUIT DIAGRAM 6/10 (DAC) ACU16-C ACU16-CACU16-C ABCDEFGHIJKLMNOPQ 1 2 3 4 5 6 7 8 9 10 11 12 BUFFER BUFFER Digital Trunsistor Digital Trunsistor DAC OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP DAC DAC2 to C7: M4 to C7: M4 to C7: M2

44、to C7: M3 to C7: M3 to C7: M3 to C7: M3 to C7: M6 : Ceramic Capacitor ()() : Mylar Capacitor ()() : Metal Film Resistor (金被抵抗)金被 : not installed (未実装)未実装 ACU16-C OVERALL CIRCUIT DIAGRAM 7/10 (DAC) C7 ACU16-C ACU16-CACU16-C ABCDEFGHIJKLMNOPQ 1 2 3 4 5 6 7 8 9 10 11 12 DAC OP AMP OP AMP OP AMP OP AMP

45、DAC OP AMP OP AMP OP AMP Invertor Transformer REGULATOR +12V REGULATOR -12V REGULATOR +5V OP AMP from C6: O8 from C6: O8 from C6: O8 from C6: O8 from C6: O8 from C6: O8 from C6: O9 from C6: O9 : Ceramic Capacitor ()() : Mylar Capacitor ()() : Metal Film Resistor (金被抵抗)金被 : not installed (未実装)未実装 DAC

46、2 C8 ACU16-C OVERALL CIRCUIT DIAGRAM 8/10 (DAC) ACU16-C ACU16-CACU16-C ABCDEFGHIJKLMNOPQ 1 2 3 4 5 6 7 8 9 10 11 12 BUFFER BUFFER Digital Trunsistor Digital Trunsistor DAC OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP DAC DAC1 to C9: M4 to C9: M4 to C9: M2 to C9: M3 to C9: M3

47、 to C9: M3 to C9: M3 to C9: M6 : Ceramic Capacitor ()() : Mylar Capacitor ()() : Metal Film Resistor (金被抵抗)金被 : not installed (未実装)未実装 ACU16-C OVERALL CIRCUIT DIAGRAM 9/10 (DAC) C9 ACU16-C ACU16-CACU16-C ABCDEFGHIJKLMNOPQ 1 2 3 4 5 6 7 8 9 10 11 12 DAC OP AMP OP AMP OP AMP OP AMP DAC OP AMP OP AMP OP AMP Invertor Transformer REGULATOR +12V REGULATOR -12V REGULATOR +5V OP AMP from C8: O8 from C8: O8 from C8: O8 from C8: O8 from C8: O8 from C8: O8 from C8: O9 from C8: O8 : Ceramic Capacitor ()() :