Sony SS-CPX1 Service Manual page 47

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