Ad Data Check; Ps1; Ps2; Ps3 - Yamaha CRX-140 Service Manual

Micro component system speaker
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CRX-040/CRX-140/NS-BP80
7.

AD DATA CHECK

This menu is used to display the A/D conversion
value of the microprocessor which detects panel keys
of this unit and protection functions by using the sub-
menu.
7-1

PS1

Power supply voltage detection
Normal value: 85 to 195
*
If PS1 becomes out of the normal value
range, the protection function works to turn
off the power.
7-2

PS2

Power supply voltage detection
Normal value: 57 to 99 (iPod not connection)
*
If PS2 becomes out of the normal value
range, the protection function works to turn
off the power.
7-3

PS3

Power supply voltage detection
Normal value: 131 to 226
*
If PS3 becomes out of the normal value
range, the protection function works to turn
off the power.
44
(+12, +9.5T, +3.3M, -21D)
(Reference voltage: 3.3 V = 255)
7 - 1 P S 1 : 1 4 6
(+7.2MTR, +3.3D1, +3.3ABASE,
+5.1IPOD, -21D)
96 to 144 (iPod connection)
(Reference voltage: 3.3 V = 255)
7 - 2 P S 2 : 1 1 8
(+15FL, +10HP)
(Reference voltage: 3.3 V = 255)
7 - 3 P S 3 : 1 9 9
7. AD DATA CHECK
本機パネルキー、プロテクションなどを検出してい
るメインマイコンの A/D 変換の値を、サブメニュー
で表示します。
7-1
PS1
電源電圧 の検出
(+12A、+9.5T、-21D)
正常値:85 ∼ 195
(基準電圧:3.3 V = 255)
※ PS1 が正常値を外れるとプロテクションが
働き、電源が切れます。
7-2
PS2
電源電圧の検出
(+7.2M T R、+3.3D1、+3.3A B A S E、
+5.1IPOD、-21D)
正常値:57 ∼ 99(iPod 未接続時)
96 ∼ 144(iPod 接続時)
(基準電圧:3.3 V = 255)
※ PS2 が正常値を外れるとプロテクションが
働き、電源が切れます。
7-3
PS3
電源電圧の検出
(+15FL、+10HP)
正常値:131 ∼ 226
(基準電圧:3.3 V = 255)
※ PS3 が正常値を外れるとプロテクションが
働き、電源が切れます。

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