77
HCD-NXM4D
Pin No.
Pin Name
I/O
Description
51
TUNED IN
I
Tuning detecton signal input from tuner unit
52
ST-CE
O
PLL chip enable signal output to tuner unit
53
ST-DOUT
O
PLL serial data output to tuner unit
54
ST-DIN
I
PLL serial data input from tuner unit
55
ST-CLK
O
PLL serial transfer clock signal output to tuner unit
56
TA-MUTE
O
Tuner line mute signal output (H:mute on)
57
STK-MUTE
O
Power amplifier muting on/off selection signal output
58
FRONT-RELAY
O
Relay drive signal output for speaker protect
59
BIAS
O
Recording bias on/off selection signal output
60
REC/PB
O
Recording/playback selection signal output
61
TC-LINE-MUTE
O
Line mute on/off selection signal output
62
VCC
–
Power supply
63
TC-REC-MUTE
O
Recording muting on/off selection signal output
64
VSS
–
Ground
65
STBY-RELAY
O
Main power on/off control signal output
66
IO-EXP:CLK
O
Serial data transfer output to PT8300R
67
IO-EXP:LAT
O
Serial data latch pulse output to PT8300R
68
IO-EXP DATA IN
I
Serial data input from PT8300R
69
IO-EXP DATA OUT
O
Serial data output to PT8300R
70
VOL-A
I
Jog dial pulse input from the rotary encoder (Volume)
71
VOL-B
I
Jog dial pulse input from the rotary encoder (Volume)
72
LED-STANDBY
O
Standby signal output to the LED driver
73
DISPLAY KEY
I
Display key input signal
74
POWER KEY
I
Power key input sigal
75
DISC-SENS
I
Disc status detection signal input
76
JOG 1-A
I
Jog dial pulse input from the rotary encoder (Bass)
77
JOG 1-B
I
Jog dial pulse input from the rotary encoder (Bass)
78
JOG 2-A
I
Jog dial pulse input from the rotary encoder (Treble)
79
JOG 2-B
I
Jog dial pulse input from the rotary encoder (Treble)
80
AMP-DATA
O
Serial data output to M61537FP
81
AMP-CLK
O
Serial clock output to M61537FP
82
FL-RESET
O
Reset signal output to M66005-0131AHPROT
O
Chip select signal output to M66005-0131AHPROT
O
Serial clock output to M66005-0131AHPROT
O
Serial data output to M66005-0131AHPROT
O
Capstan motor drive signal output
O
Deck-A side trigger plunger drive signal output
O
Deck-B side trigger plunger drive signal output
I
Shut off detection signal input from the deck-A side reel pulse detector
I
Shut off detection signal input from the deck-B side reel pulse detector
I
Detection input from the deck-B half detect switch
92
SPEC-IN
I
Setting terminal for the version
93
MAIN-TRANS-CUT
I
Main transformer cut detect signal input
94
AD-KEY 2
I
AD key 2 signal input
95
AD-KEY 1
I
AD key 1 signal input
96
AVSS
–
Ground
97
VACS IN
I
VACS signal input
98
VREF
I
Reference voltage input
99
AVCC
–
Analog power supply
100
AMS-IN
I
Automatic music sensor signal input
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