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Yamaha A-S801 Service Manual

Yamaha A-S801
84 pages
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SERVICE MANUAL
INTEGRATED AMPLIFIER
A-S801
CONTENTS
TO SERVICE PERSONNEL ........................................... 2
IMPEDANCE SELECTOR .............................................. 3
FRONT PANEL .............................................................. 3
REAR PANELS .......................................................... 4–5
REMOTE CONTROL PANEL ......................................... 6
SPECIFICATIONS / 参考仕様 ..........................
.......... 6–7
INTERNAL
VIEW ........................................................... 8
SERVICE PRECAUTIONS / サービス時の注意事項 ...... 8
DISASSEMBLY PROCEDURES / 分解手順 .............9–11
UPDATING FIRMWARE /
ファームウェアのアップデート ........................... 12–14
SELF-DIAGNOSTIC FUNCTION /
ダイアグ(自己診断機能) .................................... 15–28
POWER AMPLIFIER ADJUSTMENT /
パワーアンプ調整 .....................................
........... 29–30
IC D
ATA .................................................................. 31–33
PIN CONNECTION DIAGRAMS ............................ 34–35
BLOCK DIAGRAM ....................................................... 36
WIRING DIAGRAM ...................................................... 37
PRINTED CIRCUIT BOARDS ................................ 38–55
SCHEMATIC DIAGRAMS ...........................
........... 57–70
REPLA
CEMENT PARTS LIST ............................... 71–81
REMOTE CONTROL .................................................... 82
1 0 1 3 1 5
'15.01
IP
A-S801

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Yamaha A-S801 Specifications

General IconGeneral
Damping factor240
Amplifier class-
Frequency range10 - 100000 Hz
Audio output channels- channels
Peak power per channel100 W
Signal-to-Noise Ratio (SNR)99 dB
Total Harmonic Distortion (THD)0.019 %
Dynamic power per channel (2 Ohm)290 W
Dynamic power per channel (4 Ohm)220 W
Dynamic power per channel (6 Ohm)170 W
Dynamic power per channel (8 Ohm)140 W
RMS power output per channel (8 Ohm)200 W
Power consumption (standby)0.5 W
USB 2.0 ports quantity1
PurposeHome
On/off switchYes
Product colorBlack
Connectivity technologyWired
Built-in displayNo
Weight and Dimensions IconWeight and Dimensions
Depth152 mm
Width435 mm
Height387 mm
Weight12110 g

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