Aiwa CDC-MA01 Service Manual page 40

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IC, UPD784214AYGC-116-8EU
3 7 63 1515 0
Pin No. Pin Name
1 CD-ON
2 ~ 4 NC
5 LIMT SW
6 CHUCK SW
7 NC
8 8/12 SW
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
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15 RESET
16 INT
17 NC
18 COUT
19 SCOR
20 NC
21 LO-REV
TE
L 13942296513
22 LO-FWD
23 AVDD
24 AVREF0
25 LOAD SW
26 ~ 33
NC
34 ~ 35 NC
36 AVREF1
37 ~ 42 NC
43 STB
44 NC
45 DATA
46 NC
47 CLOK
48 ~ 71 NC
72 VSS
73 ~ 80 NC
81 VDD
82 PWM1
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83 XCLK
84 XLAT
85 XDATA
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I/O
O CD mechanism power control output.
– Not connected.
I Inner edge limit switch.
I Checking complete switch.
– Not connected.
I 8/12 cm check switch.
– Power supply.
– 6.25 MHz oscillator circuit.
– 6.25 MHz oscillator circuit.
– GND.
– Connected to GND.
– Connected to GND.
I System reset input. Active "L".
– Connected to pull-up resistor.
– Not connected.
I/O Track number count signal input/output.
I Sub-code syn input.
– Connected to pull-up resistor.
O Loading motor reverse drive output.
O Loading motor forward drive output.
– Power supply.
– Connected to pull-up resistor.
I Disc loading switch.
– Connected to GND.
– Not connected.
Connected to pull-up resistor.
–
Not connected.
–
O Communication synchronized signal output with TMS320.
– Not connected.
I/O Communication data input/output with TMS320.
– Not connected.
I Communication clock input with TMS320.
– Not connected.
– GND.
– Not connected.
– Power supply.
O Spindle motor external control output.
O Serial data transfer clock output.
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O Serial data latch output.
y
I Serial data input.
i
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2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
– 40 –
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9