Aiwa CDC-Z107 Service Manual page 23

IC DESCRIPTION
IC, LC72358N-9910
Pin No. Pin Name
1 XIN
2 ~ 3 NC
4 E-VOL DO
5 E-VOL CLO
6 E-VOL CE
7 LCD DI
8 LCD DO
9 LCD CLO
10 LCD CE
11 SQ OUT
12 COIN
13 CQCK
14 SD/ST
15 LOC/DX
16 IF REQ
17 BAND
18 TU ON
19 ~ 21 NC
22 ~ 23 KS4 ~ KS3
24 ~ 26 KS2 ~ KS0
27 ~ 30 K3 ~ K0
31 VDD
32 NC
33 LM+
34 LM-
35 FEM+
36 FEM-
37 RW
38 LP UP
39 CD ON
40 A-MUTE
41 POWER CONT
42 ST-BY MUTE
43 POWER MUTE
44 BEEP
45 DFP IN
46 DRF
47 WRQ
I/O
I System clock oscillator input.
- Not connected.
O Data output for electric volume.
O Clock output for electric volume.
O CE output for electric volume.
I LCD driver data signal input.
O LCD driver data signal output.
O LCD driver clock signal output.
O LCD driver CE signal output.
I Sub-code Q input terminal.
O Command output terminal for DSP.
Transfer-out clock for command output or output terminal for Sub-code transfer-in
O
clock from SQ OUT.
Stereo signal input when receiving. Hi=MONO, Low=ST FM reception.
I
Channel detection signal input when FM/AM seeking. Hi=detect channel
O LOC/DX switching output when in the radio seek mode. Hi=LOC, Low=DX
O IF count signal request output.
O FM/AM power switch output. Hi=AM, Low=FM
O Radio power switch output. Hi=Radio mode
- Not connected.
O Initial setting diode matrix output(Not used).
O Initial setting diode matrix output.
I Initial setting diode matrix input.
- Power supply.
- Not connected.
O Loading motor control terminal.
O Loading motor control terminal.
O Thread motor control terminal.
O Thread motor control terminal.
O RW disc control. Normal set to "Hi". Hi=NORMAL DISC, Low=RW DISC
O RW disc control. Normal set to "Lo". Hi=Disable playback even though
O CD power switch output. Hi=CD mode RW port is low
O Audio mute signal output.
O Power control signal output.
O ST-BY mute signal output.
O Power mute signal output.
O BEEP output(3 kHz, 50 ms).
I Front panel detection.
I "Detect RF" RF level detection input. Pulled up when not used.
I Sub-code Q output standby input terminal.
Description
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