72
HCD-GX255/RG170/RG470
Pin No.
Pin Name
I/O
Description
42
O-MP3-STB
O
Standby signal output to the MP3 decoder
43
I-MP3-REQ
I
Data send request signal input from the MP3 decoder
44
O-MP3-LP
O
Latch pulse signal output to the MP3 decoder
45
O-XLT
O
Latch pulse signal output to the CD DSP
46
xWR
I/O
Not used
47
O-XRST
O
System reset signal output to the CD DSP and motor/coil driver
48, 49
O-LM-R,
O-LM-F
O
Loading motor control signal output terminal
50, 51
O-TM-R,
O-TM-F
O
Table motor control signal output terminal
52 to 54
I-E-1 to I-E-3
I
Disc tray address sensor (rotary encoder) input terminal
55
I-CD NUMBER
SENS
I
Table address sensor input terminal
56
I-OPEN-SW
I
Disc tray open/close detection switch input terminal
57
O-CDG-MUTE-
DATA
O
Muting control signal output to the CD graphics decoder (Mexican model)
58
O-CDG-RST
O
System reset signal output to the CD graphics decoder (Mexican model)
59
O-CDG-BGC
O
NTSC/PAL switching control signal output terminal (Mexican model)
60
I-CDG-DET
I
CD-G detection signal input terminal (Mexican model)
61
O-CDG-POWER
O
Power on/off control signal output for CD-G section (Mexican model)
62
VCC2
-
Power supply terminal (+3.3V)
63
O-VMUTE
O
Video muting on/off control signal output terminal (Mexican model)
64
VSS
-
Ground terminal
65
O-LC72121-CLK
O
Serial data transfer clock signal output to the FM/AM tuner pack
66
I-LC72121-DI
I
Serial data input from the FM/AM tuner pack
67
O-LC72121-DO
O
Serial data output to the FM/AM tuner pack
68
O-LC72121-CE
O
Chip enable signal output to the FM/AM tuner pack
69
I-TUNED
I
Tuning detection signal input from the FM/AM tuner pack
70
I-STEREO
I
FM stereo detection signal input from the FM/AM tuner pack
71
O-ST-MUTE
O
Muting on/off control signal output to the FM/AM tuner pack
72
I-RDS-DATA
I
RDS data input from the terminal (AEP, East European models)
73
I-MODEL1
I
Setting terminal for the destination and model type
74
I-KEY0
I
Front panel key input terminal (A/D input)
75 to 80
I-MODEL2 to
I-MODEL7
I
Setting terminal for the destination and model type
81
I-HP/AUDIO IN
I
Headphone plug and audio in plug insert detection signal input
82
I-MIC
I
MIC plug insert detection signal input terminal (120 V AC area in E, Chilean, Peruvian, Argentina,
Mexican models)
83
I-REAL-A
I
Deck-A tape reel rotating detection signal input terminal
84
I-REAL-B
I
Deck-B tape reel rotating detection signal input terminal
85
O-MOTOR
O
Capstan/reel motor drive signal output terminal
86
O-A-SOL
O
Deck-A plunger drive signal output terminal
87
O-B-SOL
O
Deck-B plunger drive signal output terminal
88
I-TAPE-A-STAT
I
Deck-A cassette detection signal, deck-A mode detection signal and recording (reverse direction)
detection signal input terminal (A/D input)
89
I-TAPE-B-STAT
I
Deck-B cassette detection signal, deck-B mode detection signal and recording (forward direction)
detection signal input terminal (A/D input)
90
O-REC/PB
O
REC/PB switching control signal output terminal
Summary of Contents for HCD-GX255
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Page 137: ...33 HCD GX255 RG170 RG470 MEMO ...
