Sony TC-TX5, Service Manual

Page: 8 / 22

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Pin No. Pin Name I/O Function
47 FWD O Control output to FWD (
·
) LED (D851)
48 — —
49 — —
50 — —
51 — —
52 — —
53 — —
54 — —
55 — —
56 — — Not used (Open)
57 — —
58 — —
59 — —
60 — —
61 — —
62 — —
63 — —
64 — —
65 TYPE I O Tape type output “H”: Normal position
66 TYPE II O Tape type output “H”: High position
67 (TYPE IV) O
68 — —
Not used (Fixed at “L”)
69 — —
70 — —
71 SOLENOIDE O Plunger (PM901) drive output “H”: On
72 CAP.MOTOR O Capstan/reel motor (M902) drive output “H”: On
73 VCC — Power supply (+5V)
74 VEE — Ground
75 AVSS — Ground for A/D converter
76 VREF — Reference voltage (+5V) for A/D converter
77 HALF I Cassette half detection input from S905
78 AMS IN I AMS input
79 LIMIT SW I Loading detection input from S901 Open: “L”, Close: “M”, COM: “H”
80 PULSE I Rotary detection input from PH901
Voltage
Input port
0 V 0.45 V 1.19 V 2.19 V 3.2 V 3.98 V 4.48 V 5.0 V
Pin
4
, KEY-X
Open/Close STOP PAUSE FWD REV CD
— Not key input
§ π ∏ · ª
SYNC
Pin
3
, KEY-Y
POWER REW FF REC DIRECTION
— —
DIRECTION
ON/OFF
0 ) r A a
* 1 Key Input
* 2 Loading Motor
IN OUT
CLOSE
!£
H L
OPEN
!¢
L H