Aiwa CDC-Z107 service manual Vvss, Iset, Vvdd, Clv+, Pck, Fseq, Pccl, Lvdd, Lcho, Lvss

IC, LC78622NE

Pin No.	Pin Name	I/O	Description
1	DEFI	I	Defect detection signal (DEF) input. (Must be connected to 0V when unused.)
2	TAI	I	For PLL/Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
3	PDO	O	External VCO control phase comparator output.
4	VVSS	-	Intetnal VCO ground. (Must be connected to 0V.)
5	ISET	I	PDO output current adjustment resistor connection.
6	VVDD	-	Internal VCO power supply.
7	FR	I	VCO frequency range adjustment.
8	VSS	-	Digital system ground. (Must be connected to 0V.)
9	EFMO	O	Slice level control EFM signal output.
10	EFMIN	I	Slice level control EFM signal input.
11	TEST2	I	Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
12	CLV+	O	Disc motor control output. Can be set to three-value output by microprocessor
13	CLV-		command.
14	V/P	O	Rough servo/phase control automatic switching monitor output. Outputs a high level
			during rough servo a low level.
15	HFL	I	Track detection signal input. This is a Schmitt input.
16	TES	I	Tracking error signal input. This is a Schmitt input.
17	TOFF	O	Tracking off output.
18	TGL	O	Tracking gain switching output. Increase the gain when low.
19	JP+	O	Track jump output. Three value output is also possible when specified by0
20	JP-		microprocessor command.
21	PCK	O	EFM data playback clock monitor. Output 4.3218 MHz when the phase is locked.
			Synchronization signal detection output. Output a high level when the synchronization
22	FSEQ	O	signal detected from the EFM signal and the internaly generated synchronization signal
			range.
23	VDD	-	Digital system power supply.
24 ~ 28	CONT1 ~ 5	I/O	General purpose input/ output pin1 ~ 5.
29	EMPH/CONT6	O	De-emphasis monitor. A high level indicates playback of a De-emphasis disk./ General
			General purpose input/ output pin6.
30	C2F	O	C2 flag output.
31	DOUT	O	Digital output.
32	TEST3	I	Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
33	TEST4	I	Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
			General purpose input/ output command identifying. A pull-down resistor is built-in.
34	PCCL	I	"H": Control possible only for the general purpose input/ output port command.
			"L": Control possible for all commands.
35	MUTEL/CONT7	O	Left channel mute output./ General purpose input/ output pin.
36	LVDD	-	Left channel power supply.
37	LCHO	O	Left channel output.
38	LVSS	-	Left channel groud. (Must be connected to 0V.)

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