Sony HCD-CPX1, Руководство по обслуживанию

Страница: 47 / 68

45
HCD-CPX1
Pin No. Pin Name I/O Description
44 LED STANDBY O LED drive signal output of the standby indicator “H”: LED on
45 SC DT O
Serial data output to the digital audio signal processor
46 SC SHIFT O
Serial data shift clock signal output to the digital audio signal processor
47 SC LATCH O Serial data latch pulse signal output to the digital audio signal processor
48 NSP MUTE O
Muting on/off control signal output to the digital audio signal processor “L”: muting on
49 INIT O
Reset signal output to the digital audio signal processor “L”: reset
50 HP DET I
Headphone jack connection detection signal input terminal
“L”: no connected, “H”: headphone connected
51
LED BL
O
Power on/off control signal output for the liquid crystal display back light “H”: power on
52 VOL B I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
53 VOL A I Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
54 CD LD-ON O
CD-ROM/RW selection signal output to the RF amplifier “L”: CD-ROM, “H”: CD-RW
55 ENA O
Output enable control signal output to the power amplifier
56 CD SENS I Internal status detection monitor input from the digital signal processor
57 ST TUNED I
Tuning detection signal input from the tuner unit “L”: tuned
58 TC TRG O
Trigger plunger on/off control signal output terminal “H”: plunger on
59
TC CAPM-CONT
O
Capstan/reel motor on/off control signal output terminal “H”: motor on
60 CD XRST O Reset signal output to the digital signal processor and motor/coil driver “L”: reset
61 DIAG I
Protect signal input from the power amplifier and protect detect circuit
62 VCC —
Power supply terminal (+3.3V)
63 SOFT TEST O Output terminal for the software test Not used
64 VSS —
Ground terminal
65
CD BD-PWR O Power supply on/off control signal output for the CD section “H”: power on
66 SP RELAY O Relay drive signal output for the speaker protect Not used
67
CDM LOAD-OUT
O
Motor drive signal (open direction) output terminal
68
CDM LOAD-IN
O
Motor drive signal (close direction) output terminal
69 CDM OUT-SW I Loading in/out detect switch input terminal “L”: loading out
70
CDM IN-SW
I
Loading in/out detect switch input terminal “L”: loading in
71 BASS A I
Jog dial pulse input from the rotary encoder (BASS) (A phase input)
72 BASS B I Jog dial pulse input from the rotary encoder (BASS) (B phase input)
73 P DOWN O
Power down control signal output to the A/D converter “L”: power down
74 KEY WAKE UP I
System wake up signal input by pressing any key
75 — — Not used
76 TRE A I
Jog dial pulse input from the rotary encoder (TREBLE) (A phase input)
77 TRE B I
Jog dial pulse input from the rotary encoder (TREBLE) (B phase input)
78 CD MUTE O
CD analog signal muting on/off control signal output terminal “H”: muting on
79 LED CD O LED drive signal output of the CD NX indicator “H”: LED on
80
TC ALC
O
Automatic limiter control signal output to the recording/playback equalizer amplifier
“H”: limiter on
81
LINE MUTE O Audio line muting on/off control signal output terminal “H”: muting on
82
PWR RELAY
O
Main system power supply on/off control signal output terminal “H”: power on
83 LED DSG O
LED drive signal output of the DSG indicator “H”: LED on
84 LED TUNER O
LED drive signal output of the TUNER BAND indicator “H”: LED on
85 HP MUTE O Headphone muting on/off control signal output terminal “H”: muting on
86
EQ CE
O
Chip enable signal output to the electrical volume
87
EQ DATA O Serial data output to the electrical volume
88 EQ CLK O Serial data transfer clock signal output to the electrical volume
89 LED TC O
LED drive signal output of the TAPE
nN
indicator “H”: LED on