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62
HCD-GNX780/GNX880
Pin No.
Pin Name
I/O
Description
50
EFFECTOR-S2
O
Effector circuitry delay time selection bit 2 output
51
NO USE
I
Not used
52
EFFECTOR CTRL 1
O
Flanger on/off signal output (“H”: on)
53
A-TRIG
O
Deck A side trigger plunger drive signal output (“H”: plunger on)
54
CAPM-CONT
O
Capstan motor drive signal output
55
B-TRIG
O
Deck B side trigger plunger drive signal output (“H”: plunger on)
56
REC BIAS
O
Recording bias on/off control signal output (“H”: bias on)
57
TC-RELAY
O
Recording/playback selection signal output (“H”: recording “L”: playback)
58
ALC
O
Automatic limiter control signal output (“H”: limiter on)
59
PB-AB
O
“Deck A/B playback selection signal output (“H”: deck A “L”: deck B)
60
FAN HI SPEED
O
Fan speed control signal output (“L”: high speed)
61
UNDER VOLTAGE DET
I
Under-voltage protection detection input (“H”: under-voltage detected)
62
VCC
–
Power supply terminal (+3.3V)
_______________________
63
OVER VOLTAGE
I
Over-voltage protection detection input (“L”: over-voltage detected) (Fixed at “L”)
64
VSS
–
Ground terminal
65
TC MUTE
O
Tape playback muting on/off control signal output (“H”: muting on)
66
LINE MUTE
O
Line muting on/off control signal output (“H”: muting on)
67
REC MUTE
O
Recording muting on/off control signal output (“H”: muting on)
68
SW RY
O
Sub woofer relay drive signal output (“H”: relay on)
69
STBY-RLY
O
Main power on/off control signal output (“H”: power on)
____________
70
PROT
I
Speaker protect detection signal input (“L”: protector on)
71
GC-RESET
O
Reset signal output to MB90M407PF (“L”: reset)
72
STBY-LED/FAN CTRL
O
POWER indicator LED drive signal output (“H”: green color “L”: red color)
73
DISPLAY-KEY
I
DISPLAY key press detection Interrupt signal input
74
POWER-KEY
I
POWER key press detection Interrupt signal input
______________________
75
HP-MUTE
O
Headphone muting on/off control signal output (“H”: muting on)
76
FR RELAY
O
Front speakers relay drive signal output (“H”:relay on)
77
LINK/SURR-RLY
O
Surround speaker mode control signal output (“H”: LINK “L”: MATRIX SURROUND1/2)
78
STK-MUTE
O
Power amplifier and sub woofer amplifier on/off control signal output (“H”: amplifier on)
79
M61530-DATA
O
Serial data output to M61530FP
80
M61530-CLK
O
Serial data transfer clock output to M61530FP
81
M61529-DATA
O
Serial data output to M61529FP
82
M61529-CLK
O
Serial data transfer clock output to M61529FP
83
SW ON LED
O
SUB WOOFER ON LED drive signal output (“H”: LED on)
84
ST-CE
O
PLL chip enable signal output to the tuner unit
85
MC DIN (ST)
I
PLL serial data input to the tuner unit
86
ST-CLK
O
PLL serial data transfer clock output to the tuner unit
87
MC DOUT (ST)
O
PLL serial data output from the tuner unit (“L”: tuned)
88
TUNED
I
Tuning detection signal input from the tuner unit
89
A SHUT
I
Shut off detection signal input from deck A side reel pulse detector
90
B SHUT
I
Shut off detection signal input from deck A side reel pulse detector
91
NO USE
I
Not used
92
MODEL-IN
I
Model setting input
93
DEST-IN
I
Destination input
94
B-HALF
I
Deck B cassette , forward side recording tab and reverse side recording tab detection signal input
95
SW VOL IN
I
Subwoofer volume level detect signal input from subwoofer volume jog
96
AVSS
–
Ground terminal (for A/D conversion)
97
THERMAL VACS
I
Temperature detection signal input from thermistor
98
VREF
I
A/D converter reference voltage input terminal (+3.3V)
99
AVCC
–
Power supply terminal (+3.3V) (for A/D conversion)
100
HP DET
I
Headphone connection detection signal input (“H”: headphone connected)