Aiwa XP-R231, Service Manual

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Pin No. Pin Name I/O Description
42 WAKEUP I Wake up key input.
43 SWIL I Limited switch input.
44 VDD – Connected to VDD.
45 CDRW O CD-RW play gain level selection output. Off at "L".
46 PU-ON O H/A power down output. "H": Power down.
47 EASS–ON O EASS gain up selection output. "L": EASS on.
48 MUTE O Audio mute output.
49 STANDBY O Headphone standby output. Standby at "L".
50 P-OFF O Voltage mode select.
51 P-ON O Power IC power on output. Power on at "L".
52 SWCL I Cover open/close detection switch input.
53 VE-MODE I Continuously 2 times spindle speed mode. (Connected to GND)
54 SP-2/3 I Enter test mode at "L".
55 DRAM I Not used.
56 ACIN I AC adaptor detection.
57 AUTO I Not used.
58 SPCON O Spindle PWM control output. (Connected to GND)
59 NC O Not connected.
60 SEG17 O LCD segment output.
61 SEG16 O LCD segment output.
62 SEG15 O LCD segment output.
63 SEG14 O LCD segment output.
64 SEG13 O LCD segment output.
65 SEG12 O LCD segment output.
66 SEG11 O LCD segment output.
67 SEG10 O LCD segment output.
68 SEG09 O LCD segment output.
69 SEG08 O LCD segment output.
70 SEG07 O LCD segment output.
71 SEG06 O LCD segment output.
72 SEG05 O LCD segment output.
73 SEG04 O LCD segment output.
74 SEG03 O LCD segment output.
75 SEG02 O LCD segment output.
76 SEG01 O LCD segment output.
77 COM04 O LCD common output.
78 COM03 O LCD common output.
79 COM02 O LCD common output.
80 COM01 O LCD common output.
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