Aiwa CSD-ED79 Service Manual page 18

Pin No. Pin Name
O-TU LED
56
O-TA LED (NC)
57
O-ROCK LED
58
O-POP LED
59
O-JAZZ LED
60
NC
61
I-CD TEST (NC)
62
I-TU TEST (NC)
63
COM0~COM2
64~66
NC
67
VSS2
68
VDD2
69
O-CD ON
70
O-TU ON
71
O-P.CONT
72
O-HI DUBB (NC)
73
O-MUTE
74
O-FM MONO (NC)
75
O-BEAT CONT
76
O-QSOUND
77
O-COIN
78
I-SQOUT
79
O-CQCK
80
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I/O
O LED ON/OFF control output for TU functions.
O LED ON/OFF control output for TAPE functions. (Not Connected)
O LED ON/OFF control output for ROCK.
O LED ON/OFF control output for POP.
O LED ON/OFF control output for JAZZ.
–
I Not connected.
I
O LCD common output.
– Not connected.
– GND.
– Power supply for microcomputer (+5V).
O CD PWR control output.
O TU PWR control output.
O Power supply control output.
O Dubbing speed control output. (Not connected)
O Main mute output.
O FM force control MONO output. (Not connected)
O BEAT switch over output.
O Q-Sound ON/OFF output.
O CD command output.
I CD sub-code Q input.
O CLK for CD commands/sub-codes.
26
Description