Sony Walkman WM-EX500 Service Manual page 17

Pin No. Pin Name
34 MOTOR DIR
35 SPEED CTL
36 MUTE
37 VSS1
38 PM CTL
39 LED AVLS
40 LED BL SKIP
41, 42 NC
43 AVDD
44 AVREF
I/O
Motor direction control signal output to the capstan/reel motor drive (IC601)
O
"L": counterclockwise, "H": clockwise
Motor speed control signal output to the capstan/reel motor drive (IC601)
O
"L": normal speed, "H": 1/2 speed
O Power on mute control signal output to the TA2123FA (IC301) "L": mute on
— Ground terminal
O Plunger drive signal output terminal "L": plunger on
O LED drive signal output of the AVLS indicator (D705) "L": LED on
LED drive signal output of the BL SKIP/s indicator (D706) "L": LED on
O
— Not used (open)
— Power supply terminal (+2.5V) (for A/D converter)
I Reference voltage input terminal (+2.5V) (for A/D converter)
Description
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