67
HCD-ZX9
Pin No.
Pin Name
I/O
Pin Description
44
OC SW1
I
Disc tray status detection signal input from CDM
45
CHK SW
I
Disc tray status detection signal input from CDM
46
OC SW2
I
Disc tray status detection signal input from CDM
47
TBL NEG
O
CDM turning motor control signal output
48
TBL POS
O
CDM turning motor control signal output
49
LOD NEG
O
CDM loading motor control signal output
50
LOD POS
O
CDM loading motor control signal output
51
A PLAY
I
Deck A playback detection signal input “H”: deck A play
52
A TRG
O
Deck A side trigger plunger drive signal output “H”: plunger on
53
A HALF
I
Deck A cassette detection signal input “H”: cassette detected
54
CPM CNT2
O
Capstan motor drive signal output
55
REC A
I
Deck B cassette forward side recording tab detection signal input
56
B PLAY
I
Deck B playback detection signal input “H”: deck B play
57
B TRG
O
Deck B side trigger plunger drive signal output “H”: plunger on
58
REC B
I
Deck B cassette reverse side recording tab detection input
59
TC RELAY
O
Recording/playback selection signal output “H”: recording, “L”: playback
60
BIAS
O
Recording bias on/off control signal output “H”: bias on
61
AMS IN
I
Music detection signal input from automatic music sensor “L”: track playback,
“H”: playback of space between track. Use to detect track change.
62
VCC
—
Power supply pin (+3.3 V)
63
TC MUTE
O
Tape playback muting on/off control signal output “H”: muting on
64
VSS
—
Ground pin
65
AUDIO1 DATA
O
Serial data signal output to audio signal processor
66
AUDIO1 CLK
O
Serial data transfer clock signal output to audio signal processor
67
AUDIO2 DATA
O
Serial data signal output to 4-ch volume IC
68
AUDIO2 CLK
O
Serial data transfer clock signal output to 4-ch volume IC
69
ANALOG IN MUTE
O
Soft test signal output Not used in this set. (Open)
70
VIDEO OUT
O
Not used in this set. (Open)
71
C RELAY
I
Not used in this set. (Open)
72
REAR RELAY
O
Relay drive signal output for the surround speakers “H”: relay on
73
DISPLAY KEY
I
DISPLAY key press detection signal input (Interrupt input)
74
POWER KEY
I
POWER key press detection signal input (Interrupt input)
75
GC RESET
O
Reset signal output to display control IC “L”: reset
76
STBY LED
O
LED drive signal output of POWER indicator “H”: LED on
77
HP DET
I
Headphone connection detection signal input “H”: headphone connected
78
FR RELAY
O
Relay drive signal output for the front speakers “H”: relay on
79
HP MUTE
O
Headphone muting on/off control signal output “L”: muting on
80
STK MUTE
O
Power amplifier and sub woofer amplifier on/off control signal output
“H”: amplifier on
81
PROTECT
I
Speaker protect detection signal input from speaker protect circuit
“L”: protector on
82
ST CLK
O
PLL serial data transfer clock signal output to the tuner unit
83
ST DIN
I
PLL serial data signal input from the tuner unit
84
ST DOUT
O
PLL serial data signal output to the tuner unit
85
ST CE
O
PLL chip enable signal output to the tuner unit
86
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
87
STEREO
I
FM stereo detection signal input from the tuner unit “L”: stereo
88
ST MUTE
O
Tuner muting on/off control signal output “H”: muting on
