Sony HCD-VP11 Service Manual page 26

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Pin No. Pin Name
30 RDS-ON
31
HP-CHK
32 TC-SW
33
TRAY-SW
34 KEY3
35 KEY2
36 KEY1
37 SIMUKE
38 RESET
39 EXTAL1
40
XTAL1
41 VSS
42 XTAL2
43 EXTAL2
44 AVREF
45 AVSS
TE
L 13942296513
46
VL
47 to 49 VLC3 to VLC1
50 to 53 COM0 to COM3
54 to 85 SEG0 to SEG31
86 REC-BIAS
87 REC-MUTE
88 DOLBY
89 VDD
90 NC
91 VSS
92
TX
93
TEX
94 CD-ON
95 REC/PB
96 L-MUTE
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97
LINE OUT-MUTE
98 TC-ON
.
99 WP
100 CD-SCOR
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I/O
Power supply on/off control signal output of the tuner pack (+7.5V) and RDS decoder (IC804)
O
(RDS decoder: used for the AEP and UK models only)
LED drive signal output of the TUNER indicator (D855) "H": tuner power on (LED on)
I
Headphone check detection signal input terminal
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
Disc tray position detect switch (S901, 902) input terminal (A/D input)
I
"L": close position, "M": open position, "H": moving
Key input terminal (A/D input) S817 to S822, S824 and S825 (STANDBY I/u, CD, TUNER,
I
TAPE, MD/VIDEO, DSG, TUNER BAND, CD SYNC keys input)
Key input terminal (A/D input) S801 to S808 (TUNING MODE, CD ^/p/+/=, PLAY
I
MODE, REPEAT, CD EJECT 6 keys input)
Key input terminal (A/D input)
I
S809 to S816 (TAPE 9 (/p/)/0/P, REC r, TUNING +/– keys input)
I Destination setting terminal (A/D input)
System reset signal input from the reset signal generator (IC803) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
I Main system clock input terminal (4.19 MHz)
O
Main system clock output terminal (4.19 MHz)
—
Ground terminal
O
Sub system clock output terminal (500 kHz) Not used (open)
I Sub system clock input terminal (500 kHz) Not used (fixed at "L")
I
Reference voltage (+5V) input terminal (for A/D conversion)
—
Ground terminal (for A/D conversion)
O
Liquid crystal display bias on/off control signal output terminal
— Power supply terminal for the liquid crystal display bias
O
Common drive signal output to the liquid crystal display (LCD801)
O
Segment drive signal output to the liquid crystal display (LCD801)
Recording bias on/off selection signal output to the HA12203NT (IC352)
O
"L": bias on, "H": bias off
Recording muting on/off selection signal output to the HA12203NT (IC352)
O
"L": muting on, "H": muting off
Dolby NR on/off selection signal output to the HA12203NT (IC352)
O
"L": dolby on, "H": dolby off
—
Power supply terminal (+5V)
—
Connected to power supply (+5V)
—
Ground terminal
O
Sub system clock output terminal (32.768 kHz)
I
Sub system clock input terminal (32.768 kHz)
Power supply on/off control signal output of the CD block (+5V)
O
LED drive signal output of the CD indicator (D852) "H": CD power on (LED on)
Recording/playback selection signal output to the BA3126N (IC350) and HA12203NT (IC352)
O
"L": playback mode, "H": recording mode
Line muting on/off selection signal output to the HA12203NT (IC352)
O
"L": muting on, "H": muting off
O
Muting on/off control signal output terminal "H": muting on
x ao
Power supply on/off control signal output of the cassette holder back light
y
O
LED drive signal output of the TAPE indicator (D854) "H": back light on (LED on)
i
I
Wakeup control signal input terminal
I Subcode sync (S0+S1) detection signal input from DSP on the CD block (at CD function)
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