Nexo NXAMP 4X4, Service Manual

Page: 131 / 153

NXAMP4x4
CIRCUIT DIAGRAM
■
CONTENTS （目次）
■
WARNING （注意）
IC & DIODE FIGURES
（外形図）
..................................................................................................... 2
WIRING DIAGRAM
（基板結線図）
.................................................................................................. 3
BLOCK DIAGRAM
（ブロックダイアグラム）
1/5 ............................................. 4
2/5 ............................................. 5
3/5 ............................................. 6
4/5 ............................................. 7
5/5 ............................................. 8
OVERALL CIRCUIT DIAGRAM
（総回路図）
CONTROL 1/6 ............................................................................................ 9
2/6 .......................................................................................... 10
3/6 ...........................................................................................11
4/6 .......................................................................................... 12
5/6 .......................................................................................... 13
6/6 .......................................................................................... 14
INANH ....................................................................................................................................... 15
OUTANH ................................................................................................................................... 16
PN-AN ....................................................................................................................................... 17
RS232-GPI ................................................................................................................................ 18
OPT-AN, NX-DFLT .................................................................................................................... 19
PAANH ...................................................................................................................................... 20
PSANHA/PSANHB
1/3 .......................................................................................... 21
2/3 .......................................................................................... 22
3/3 .......................................................................................... 23
Components having special characteristics are marked and must be replaced with parts
having specification equal to those originally installed.
印の商品は、安全を維持するために重要な部品です。交換する場合は、安全のために必ず指定の部
品をご使用ください。
Notation for Circuit Diagrams
（回路図表記上の注意）
How to identify inter-sheet connectors
（シート間コネクタの読み方について）
Signal name
（信号名）
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number indicates
vertical direction)
対応するシート間のコネクタのあるロケーションを示します。
（アルファベットが水平方向、数字が垂直方向）
The 3-digit number indicates the destination page.
（3 桁の数字は信号の行先ページを示します。）