Aiwa AD WX828 Service Manual

This is the 31 pages manual for Aiwa AD WX828 Service Manual.
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Aiwa AD WX828 Service Manual

Extracted text from Aiwa AD WX828 Service Manual (Ocr-read)


Page 19

Pin No. Pin Name l/O Description
33 P20 0
34 P19 0
35 P18 0
36 P17 0 Segment outputs to drive the FL display. Lights at "H”.
37 P16 0 P17—P20 are also used to scan the operation mode during initialization.
38 P15 0
39 P14 0
40 P13 0
41 VDDVPP 7 Power supply of FL display drive outputs. Connected to 5V.
42 VP * Negative power supply for pullrdown resistors. 727V is connected.
43 F12 O
44 F11 O
45 P10 0
46 P9 0
47 P8 0
48 P7 0 Segment outputs to drive the FL display. Lights at “H".
49 Fe O P2'P12 are also used as the SW scan and AD scan outputs.
50 P5 0
51 P4 0
52 P3 0
53 P2 0
54 P1 0
55 NC —
Not used.
56 NC ~
57 DTO 1
SW scan inputs.
58 UPI I
59 I 7 QUICKI I
Quick sensor inputs.
60 I — QUICKZ l
61 O 7 SOL - PLZ O
62 0" SOL ' FRZ O Outputs to control the plunger driver in the mechanism.
63 O— SOL . PM 0 The plunger is attracted at “H”.
64 O - SOL - FRl O

Note : The initial output of P6 and P61 —P84 are set to “L" and others to “H" when reset.

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