Aiwa CDC-Z107 service manual IC Description

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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