Pin
No.
Port Name
Function Name
(P.C.B.)
I/O
Detail of Function
P
o
w
erOn [All]
Standb
y
MCUSleep
[When wr
iting]
39 P5_7/nRDY/CLKOUT
BAL2G_DET
I
O
O
BALANCE 2 Gain changing SW detection
H=ATT. -6 dB (Low Gain), L=BYPASS (High Gain)
40 P5_6/ALE
BAL1G_DET
I
O
O
BALANCE 1 Gain changing SW detection
H=ATT. -6 dB (Low Gain), L=BYPASS (High Gain)
41 P5_5/nHOLD
N_EMP
I
For writing Flash (LO) / Boot mode: P5_5=L, CNVSS=H, P5_0=H
Pull-down as Hiz state may occur during emulator operation
42 P5_4/nHLDA
MMMC_DET
I
O
O
PHONO MM/MC SW detection
Hi: MC, Low: MM
43 P5_3/BCLK
MT_N_MAIN
O
O
O
MAIN MUTE control
L=Mute On, H=Mute cancelled
44 P5_2/nRD
MT_N_REC
O
O
O
REC OUT MUTE control
L=Mute On, H=Mute cancelled
45 P5_1/nWRH/nBHE
MT_N_PRE
O
O
O
PRE OUT MUTE control
L=Mute On, H=Mute cancelled
46 P5_0/nWRL/nWR
/CE
I
For writing Flash (HI) / Boot mode: P5_5=L, CNVSS=H, P5_0=H
47 P4_7/PWM1/TXD7/SDA7/nCS3 RY_PWR2
O
O
O
Power relay 2 On/Off, On at 500 ms after Power On
48 P4_6/PWM0/RXD7/SCL7/nCS2 RYCB2_PLTY
O
O
O
BAL 2 Polarity, changed with Hi/Low
H=INV., L=NORMAL
49 P4_5/CLK7/nCS1
RYCB1_PLTY
O
O
O
BAL 1 Polarity, changed with Hi/Low
H=INV., L=NORMAL
50 P4_4/nCTS7/nRTS7/nCS0
RY_TCBYP
O
O
O
TONE control, Bypass route changing relay control
H=Tone Cont Bypass, L=Tone Cont Enable
51 P4_3/A19
RY_MMMC
O
O
O
PHONO MM/MC relay control
H=MM, L=MC
52 P4_2/A18
RY_BALGAIN
O
O
O
BALANCE Gain changing relay control
H=ATT, -6 dB (Low Gain), L=BYPASS (High Gain)
-> when unbalanced, H: Low Gain
53 P4_1/A17
RY_BAL_COLD
O
O
O
BALANCE Cold signal selecting relay control
H=When BALANCE 2 is selected, L=When BALANCE 1 is selected
54 P4_0/A16
RY_SEL_BAL
O
O
O
BALANCE signal selecting relay control
H=Other than BALANCE 1 or 2, L=BALANCE 1 or 2
55 P3_7/A15
RY_BAL2
O
O
O
BALANCE 2 input selecting relay control
56 P3_6/A14
RY_BAL1
O
O
O
BALANCE 1 input selecting relay control
57 P3_5/A13
RY_PHONO
O
O
O
PHONO input selecting relay control
58 P3_4/A12
RY_MDIR
O
O
O
MAIN DIRECT input selecting relay control
59 P3_3/A11
RY_LINE2
O
O
O
LINE 2 input selecting relay control
60 P3_2/A10
RY_LINE1
O
O
O
LINE 1 input selecting relay control
61 P3_1/A9
RY_TU
O
O
O
TUNER input selecting relay control
62 Vcc2
VCC2
[MCU]
+5M
63 P3_0/A8
RY_CD
O
O
O
CD input selecting relay control
64 Vss
VSS
[MCU]
D_GND
65 P2_7/AN2_7/A7
PRDL
AD
O
O
Lch POWER AMP DC protect AD value taken
66 P2_6/AN2_6/A6
PRDR
AD
O
O
Rch POWER AMP DC protect AD value taken
67 P2_5/INT7/AN2_5/A5
NC
O
O
O
68 P2_4/INT6/AN2_4/A4
TRIGGER IN
IRQ
IRQ
O
TRIGGER IN interrupt detection
Power linked by trigger input from AV AMP
69 P2_3/AN2_3/A3
PRTHL
AD
O
O
Lch heat sink temperature detection
Pull-up resistance depends on protection voltage setting
-> Check required
70 P2_2/AN2_2/A2
PRTHR
AD
O
O
Rch heat sink temperature detection
Pull-up resistance depends on protection voltage setting
-> Check required
37
A-S3000
A
-S30
0
0
Summary of Contents for A-S3000
Page 3: ... FRONT PANELS U K A B G L V J models T model 3 A S3000 A S3000 ...
Page 4: ... REAR PANELS U model K model T model 4 A S3000 A S3000 ...
Page 5: ...A model B G models L model 5 A S3000 A S3000 ...
Page 6: ...V model J model 6 A S3000 A S3000 ...
Page 100: ...MEMO 101 A S3000 A S3000 101 ...
Page 101: ...A S3000 ...
