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