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Yamaha AD8HR Service Manual

Yamaha AD8HR
107 pages
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AD8HR
1
SERVICE MANUAL
PA
011722
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K6341 ’04.03
HAMAMATSU, JAPAN
200403-260000
CONTENTS
SPECIFICATIONS .................................................. 3
DIMENSIONS .................................................. 6
PANEL LAYOUT .................................... 7
CIRCUIT BOARD LAYOUT ................. 8
DISASSEMBLY PROCEDURE .............................. 9
LSI PIN DESCRIPTION .............................. 13
IC BLOCK DIAGRAM ................................... 19
CIRCUIT BOARD .......................................... 22
GAIN SETUP ..................................................... 30
TEST PROGRAM ............................. 32/43
INSPECTIONS ................................................. 54/58
UPGRADE ........................................ 62/65
ERROR MESSAGES ............................. 68
PARTS LIST
BLOCK DIAGRAM
CIRCUIT DIAGRAM
AD CONVERTER WITH REMOTE PREAMP
(目次)
(総合仕様)
(寸法図)
(パネルレイアウト)
(ユニットレイアウト)
(分解手順)
(LSI端子機能表)
(ICブロック図)
(シート基板図)
(GAIN設定)
(テストプログラム)
(総合検査)
(バージョンアップ)
(エラーメッセージ)
(ブロックダイアグラム)
(回路図)

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Yamaha AD8HR Specifications

General IconGeneral
Input voltage220 - 240 V
Input frequency50 - 60 Hz
Operating voltage100 V
Power consumption (typical)35 W
Accuracy1 dB
Product colorBlack
Frequency range20000 - 40000 Hz
Maximum input level-128 dBu
Nominal input level-80 dBu
Audio (L/R) out-
Weight and Dimensions IconWeight and Dimensions
Depth383.5 mm
Width480 mm
Height45 mm
Weight5000 g

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