Yamaha AD8HR Service Manual page 97

X W V U T S
MAIN CIRCUIT BOARD 001 (AD8HR)
INPUT 1
INPUT 2
INPUT 3
INPUT 4
28CC1-8829580-1
4
R Q P O N M
CHIC-HA Circuit board
MULTIPLEXER
to Page.6
MULTIPLEXER
CHIC-HA Circuit board
to Page.6
MULTIPLEXER
CHIC-HA Circuit board
to Page.6
MULTIPLEXER
CHIC-HA Circuit board
to Page.6
L K J I H G
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
F E D C B A
AD8HR
ADC
GAIN Setting table
（GAIN設定表）
Rated input （dB）
（定格入力）
ADC
( F ) : Metal Film Resistor (金属被膜抵抗)
( フ ) : Flame Proof C. Resistor (不燃化カ−ボン抵抗)
: not installed (実装しない)
( M ) : Mica Capacitor (マイカコン)
( O S ) : Electrolytic Cap. (有機半導体アルミ固体電解コンデンサ)
MAIN CIRCUIT BOARD 001 (AD8HR)
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