Yamaha-AO-8-Service-Manual电路原理图.pdf
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1、SERVICE MANUAL PA 011506 CONTENTS REVISED PAGE LIST 2-1 SPECIFICATIONS 3-1 PANEL LAYOUT 3-2 DIMENSIONS 3-3 CONNECTOR CIRCUIT DIAGRAM 4 BLOCK DIAGRAM 6 DISASSEMBLY PROCEDURE 7 LSI PIN DESCRIPTION 11 IC BLOCK DIAGRAM 14 CIRCUIT BOARDS 15 INSPECTION 20 TEST PROGRAM 22 ERROR MESSAGES 27 PARTS LIST CIRCU
2、IT DIAGRAM ANALOG OUTPUT BOX AO8-DA8 200004*-250000 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K-*K01.03 RadioFans.CN 收音机爱 好者资料库 AO8 2-1 REVISED PAGE LIST SPECIFICATIONS PANEL LAYOUT DIMENSIONS CONNECTOR CIRCUIT DIAGRAM DISASSEMBLY PROCEDURE IC BLOCK DIAGRAM CIRCUIT
3、BOARDS AD, IPC4, DR, PSB, LED2 DC, MB1 IFC3 INSPECTION TEST PROGRAM ERROR MESSAGES ITEM 3-1 3-2 3-3 5 7,9 14 1519 16 17 19 2021 2226 41 PAGE OVERALL ASSEMBLY SIDE PANEL ASSEMBLY MOTHER ASSEMBLY ELECTRICAL PARTS ITEM 2, 3, 4 4, 5 6 712 PAGE RadioFans.CN 收音机爱 好者资料库 AO8 2-2 UNC CIRCUIT DIAGRAM003 MB1 C
4、IRCUIT DIAGRAM002 003 004 005 IFC3 CIRCUIT DIAGRAM002 003 004 005 006 007 IPC2 CIRCUIT DIAGRAM IPC4 CIRCUIT DIAGRAM AOCOM CIRCUIT DIAGRAM 002 003 ITEM 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 PAGE AO8 2-2 WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD
5、. 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 and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICA
6、L/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 vapor! If you come in contact with solder or components located inside the enclosu
7、re of this product, wash your hands before handling food. 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 alre
8、ady known and understood 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 personal injury, destruction of expensive components and failure of the product to perform as specified. For thes
9、e reasons, 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, certification, recogn
10、ition 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 Y
11、amaha 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.
12、Discharge 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 Compon
13、ents having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord IMPORTANT.The wires in this main lead are coloured in accordance with the following code: BLUE
14、:NEUTRAL BROWN: LIVE As the colours of the wires in the main lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The BLUE wire must be connected to the terminal that is marked with the letter N (or coloured BLACK). The BROW
15、N wire must be connected to the terminal that is marked with the letter L (or coloured RED). Be certain that neither core is connected to the earth terminal of the three pin plug. SPECIFICATIONS AO8 3-1 Sampling frequency (external sync) Power supply Power consumption Dimensions (W x H x D) Weight O
16、perating temperature Power cable length Cooling fan speed Accessories 39.69 kHz 50.88 kHz USA and Canada: 120 V, 60 Hz Others: 230 V, 50 Hz 120 W 480 mm x 141.5 mm x 466.8 mm 15.4 kg 10 35 C 2.1 m always fixed Connection cable (68-pin, D-sub, half-pitch) x 1, Length: 3 m I/O connectors INPUT A, B, C
17、 WORD CLOCK IN WORD CLOCK OUT Level RS-422 TTL/75 (ON/OFF) TTL/75 Type D-sub, half-pitch, 68-pin connector (female) BNC Connector BNC Connector Digital I/Os Card LMY4-AD Input Channel 1 4 Slots * The illustration shows the AO8 analog output box. 1234567 UNIT NO. INPUT SELECTOR A B POWER ON/ OFF 8 AN
18、ALOG OUTPUT BOX OUTPUT UNIT ID INPUT SELECTOR A B POWER ON/ OFF ANALOG OUTPUT BOX 75 IN BA INPUT ON OFF OUT WORD CLOCK BA INPUT ON OFF OUT WORD CLOCK 75 IN 1 2 3 5 6 4 1OUTPUT UNIT ID indicator 2INPUT SELECTOR switch 3POWER ON/OFF 4INPUT connectors A and B 5WORD CLOCK IN jack, ON/OFF switch 6WORD CL
19、OCK OUT jack Front Panel Rear Panel AO8 3-2 PANEL LAYOUT 455 466.8 480 430 132 (3U) 141.5 OUTPUT UNIT ID INPUT SELECTOR A B POWER ON/ OFF 12345678 ANALOG OUTPUT BOX 9.5 Unit: mm DIMENSIONS AO8 3-3 AO8 4 CONNECTOR CIRCUIT DIAGRAM IFC3 PSB KEC-92523-2 POWER ON/OFF 3PCN600 14PCN100 5PCN127 * LED2 OUTPU
20、T UNIT ID 1 2 3 4 5 6 7 8 SLOT NO. 4PCN126 4PCN125 6PCN124 4PCN123 6PCN122 4PCN121 20PCN120 30PCN119 CN109 100P UNC CN108 100P CN107 100P CN106 100P CN105 100P CN104 100P CN103 100P CN102 100P CN101 100P 8PCN117 8PCN116 8PCN115 8PCN114 8PCN113 8PCN112 8PCN111 8PCN110 6PCN118 MB1 POWER TRANSFORMER *
21、6PCN104 13PCN605 13PCN606 10PCN607 10PCN608 5P CN106 20PCN102 30PCN101 14PCN103 8PCN402 8PCN403 8PCN404 8PCN405 13PCN601 13PCN602 10PCN603 10PCN604 8PCN407 8PCN408 6PCN105 8PCN406 8P CN401 INPUT A B 10PCN104 10PCN103 13PCN102 13PCN101 10PCN104 10PCN103 13PCN102 13PCN101 3P CN002 5P CN001 14PCN100 4P
22、 CN101 2PCN300 4P CN301 2PCN302 4PCN303 16PCN200 6PCN201 DC 2PCN400 4P CN401 3P CN402 FG AC FAN 3P CN502 2P CN500 DR WORD CLOCK ON OFF 75 IN OUT 5PCN300 IPC4 IPC2 IPC2 AO8 5 Circuit BoardCN No.Pin No. DCCN100 2 3 4 5 6 7 8 9 10 11 12 13 14 DCCN1011 2 3 DCCN200 DCCN201 1 2 3 4 5 6 1 2 3 DCCN3001 2 DC
23、CN3011 2 3 4 DCCN3022 DCCN3031 2 IFC3CN1031 2 3 4 5 6 7 8 9 10 11 12 13 14 1MB14 3 MB14 3 MB15 IFC31 2 MB12 1 MB12 1 MB13 IFC33 4 MB14 IFC35 6 4 MB1 MB1 4 MB14 MB12 MB12 MB12 DR1 2 MB16 6 MB12 1 MB11 5 5 LED11 2 3 4 5 6 7 8 9 10 11 12 13 14 CN122 CN124 CN127 CN104 CN122 CN124 CN127 CN104 CN127 CN104
24、 CN123 CN121 CN125 CN121 CN123 CN125 CN500 CN122 CN126 CN127 MB1 MB1 CN122 CN124 CN100 CN124 Circuit BoardCN No.Pin No. MB11 MB11 MB11 CN121 CN123 CN125 MB1 ACCN7011 4 PSBCN6001 3 KEC-92523-31 1 2 3 4 5 6 7 Register Decoder FLASHRAM CPU WC SEL stopped at the end of the page for any other NG. Main it
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