Sony MDS-JE470 Service Manual - Page 58

Sony MDS-JE470 - Md Player Manual

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MDS-JE470 Pin No. 81 82 83 84 85, 86 87, 88 89 90 91 92 93 94, 95 96 97 98 99 100 Pin Name STB BEEP SW REC FLCS D.VOL0,1 JOG0, JOG1 IOP DISTINATION MODEL SEL TIMER KEY3 KEY2, 1 AVSS KEY0 VREF AVCC NC I/O Description O Strobe signal output to the power supply circuit. H: Power supply ON: L: standby - Not used. - Not used. O Chip select signal output to the MSM9202 (IC760) - Not used. I Jog dial pulse input from the rotary encoder. I Optical Pick-up voltage (current) detect signal input. I Model discrimination. I Model discrimination. I Not used. (Fixed at H) I Not used. (Fixed at H) I Key input pin (A/D input) - Ground. (Analog) I Key input pin (A/D input) I A/D reference voltage. I Power supply. (+3.3V) I Not used. (Fixed at L) 58

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58
MDS-JE470
81
STB
O
Strobe signal output to the power supply circuit. H: Power supply ON:
L: standby
82
BEEP SW
—
Not used.
83
REC
—
Not used.
84
FLCS
O
Chip select signal output to the MSM9202 (IC760)
85, 86
D.VOL0,1
—
Not used.
87, 88
JOG0, JOG1
I
Jog dial pulse input from the rotary encoder.
89
IOP
I
Optical Pick-up voltage (current) detect signal input.
90
DISTINATION
I
Model discrimination.
91
MODEL SEL
I
Model discrimination.
92
TIMER
I
Not used. (Fixed at H)
93
KEY3
I
Not used. (Fixed at H)
94, 95
KEY2, 1
I
Key input pin (A/D input)
96
AVSS
—
Ground. (Analog)
97
KEY0
I
Key input pin (A/D input)
98
VREF
I
A/D reference voltage.
99
AVCC
I
Power supply. (+3.3V)
100
NC
I
Not used. (Fixed at L)
Description
Pin Name
Pin No.
I/O