Yamaha NX-A01 - Speaker Sys, Руководство по обслуживанию

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NX-A01
8
NX-A01
IC304: YDA138-EZE2 (MAIN (1) P.C.B.)
Digital amplifier IC
Thermal
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HPOR
AVSS
VSSBGR
VREFR
INR
MUTEN
PVDDPR
OUTPR
PVSSR
PVSSR
PVSSR
PVSSR
PVSSR
OUTMR
PVDDMR
PROTN
SLEEPN
DVSS
CKIO
XO
XI
DVDD
MODE0
MODE1
MODE2
VOL0
VOL1
PVDDML
OUTML
PVSSL
PVSSL
PVSSL
PVSSL
PVSSL
OUTPL
PVDDPL
HP
INL
VREFL
PVDDREG
REFA
HPOL O
Pow
Pow
O
I
I
Pow
O
Pow
Pow
Pow
Pow
Pow
O
Pow
O
I
Pow
I/O
O
I
I
I
I
I
I
I
Pow
O
Pow
Pow
Pow
Pow
Pow
O
Pow
I
I
O
Pow
O
O
R-ch headphone output terminal.
5V analog ground terminal.
Ground terminal for reference voltage source.
R-ch reference voltage terminal. (capacitor connected externally)
R-ch analog signal input terminal.
Mute control terminal.
R-ch 12V type VDD terminal.
R-ch positive side output terminal.
R-ch 12V type VSS terminal.
R-ch 12V type VSS terminal.
R-ch 12V type VSS terminal.
R-ch 12V type VSS terminal.
R-ch 12V type VSS terminal.
R-ch negative side output terminal.
R-ch 12V type VDD terminal.
Warning signal output terminal. (O/D)
Sleep control terminal.
Digital ground terminal.
Clock input/output terminal.
CERALOCK connection terminal. *1
CERALOCK connection terminal. *1
Digital ground termibnal. (connected to REFA terminal externally)
Operation mode select terminal.
Operation mode select terminal.
Operation mode select terminal.
Input sensitivity setting terminal.
Input sensitivity setting terminal.
L-ch 12V type VDD terminal.
L-ch negative side output terminal.
L-ch 12V type VSS terminal.
L-ch 12V type VSS terminal.
L-ch 12V type VSS terminal.
L-ch 12V type VSS terminal.
L-ch 12V type VSS terminal.
L-ch positive side output terminal.
L-ch 12V type VDD terminal.
Headphone control terminal.
L-ch analog signal input terminal.
L-ch reference voltage terminal. (capacitor connected externally)
12V type PVDD terminal for regulator circuit.
5V regulator output terminal. (capacitor connected externally)
L-ch headphone output terminal.
No. Terminal Name I/O Function
[I/O] I: Input terminal, O: Output terminal, I/O: Input/output terminal, Pow: Power terminal
[* 1] CERALOCK is a registered trade mark of Murata Mfg. Co., Ltd.