Aiwa CSD-FD73 HT Service Manual page 21

Pin No. Pin Name
51~54 S20~S23
55 O-CD LED
56 O-TU LED
57 O-TA LED
58 O-ROCK LED
59 O-POP LED
60 O-JAZZ LED
61 V3
62 I-CD TEST
63 I-TU TEST
64~66 COM0~COM2
67 COM3
68 VSS2
69 VDD2
70 O-CD ON
71 O-TU ON
72 O-P.CONT
73 P03
74 O-MUTE
75 O-FM MONO
76 O-BEAT CONT
77 O-QSOUND
78 O-COIN
79 I-SQOUT
80 O-CQCK
I/O
- LCD segment output. (not used)
O LED ON/OFF control output for CD functions.
O LED ON/OFF control output for TUNER functions.
O LED ON/OFF control output for TAPE function. (not used)
O LED ON/OFF control output for ROCK.
O LED ON/OFF control output for POP.
O LED ON/OFF control output for JAZZ.
- Not used.
- Not used.
- Not used.
O LCD common output.
- LCD common output. (Not used)
- Connected to GND.
- Power supply.
O CD POWER control output.
O TUNER POWER control output.
O Power supply control output.
- Not used.
O Main mute output.
- Not used.
O BEAT switch over output.
- QSOUND ON/OFF output.
O CD command output.
I CD sub-code Q input.
O CLK for CD commands/sub-codes.
Description
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