Sony MZ-E10 service manual Ic Pin Function Descrintion, Main Board

MZ-E10

6-7. IC PIN FUNCTION DESCRINTION

•IC601 LC-896442-VH4-16-E (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, 16M BIT D-RAM, SYSTEM CONTROL)

(MAIN BOARD)

Pin No.	Pin Name	I/O	Description
1	MWEB	–	Not used (open)
2	XD_MUTE	O	Mute signal output to Headphone
3	SIO4 DO	O	Serial data output to DC-DC convertor (SC901580EPR2)
4	(SIO4 DI)	I	Not used (Connected to ground)
5	SIO2 CLK	O	Serial clock output to EEPROM
6	NV XCS	O	Chip select signal output to EEPROM
7	SIO2 DO	O	Serial data output to EEPROM
8	SIO2 DI	I	Serial data input from EEPROM
9	AVSS	–	Ground
10	UNREG MON	I	UNREG voltage monitor input
11	RF VCMON	I	Reference voltage (VC) input from RF AMP (SN761058ZQL)
12	RMC KEY1	I	Remoto control key signal input
13	CHG_VI_MON	I	AC adapter voltage input
14	RF_TMP_MON	I	signal monitor input
15	OPEN CLS SW	I	Cassette lid open/close signal input
16	SET KEY	I	Key signal input
17	CHG MON	I	Battery charge ∆V detect and charge current monitor input
18	AVDD	–	Power supply
19	RMC DTCK	I/O	Serial data input/output
20	(RMC SPCK)	–	Not used (open)
21	SBUS CLK	O	Serial clock output to RF AMP (SN761058ZQL)
22	SBUS DATA	I/O	Serial data input/output to RF AMP (SN761058ZQL)
23	PWR_CLK_PWM	O	Clock output to DC-DC converter (SC901580EPR2)
24	AMICE CLK PWM	O	PWM signal output to RF AMP (SN761058ZQL)
25	DSP INTB	–	Not used (open)
26	DSP WRQB	–	Not used (open)
27	DRV FG INT	–	Not used (open)
28	DRV SLEDI INT	–	Not used (open)
29	XCHG I LIMIT	O	Limit charge current control signal
30	OPR_LED_O_CTL	O	LED (orange) control signal output
31	(LOCAL CHK1)	–	Not used (open)
32	CHG AD SEL	O	Monitor control of charge A/D signal
33	VCC2	–	Power supply
34	VSS	–	Ground
35	PWR FFCLR	O	Latch and clear signal output to DC/DC converter (SC91580EPR2)
36	PWR SLEEP	O	Sleep signal output to DC/DC converter (SC91580EPR2)
37	PWR STRB	O	Strobe signal output to DC/DC converter (SC91580EPR2)
38	CHG AMP SEL	O	Select signal output of charge control
39	CHG PWM	O	Charge control PWM signal output
40	D_VO_PWM	O	Power supply control PWM signal output of Headphone AMP (NJU8713V-TE2)
41	OPR LED G PWM	O	LED (green) control signal output
42	OPR LED R PWM	O	LED (red) control signal output
43	VDD	–	Power supply
44	VSS	–	Ground
45	D_EN1	O	Drive control signal output to Headphone AMP (NJU-8713V-TE2)
46	PD S1	O	PD-IC mode select signal output to optical pick-up
47	XRF_RESET	O	Reset signal output to RF AMP (SN761058ZQL)
48	(LOCAL CHK2)	–	Not used (open)
49	SMON4	–	Not used (open)

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