Sony XR-C6100 Main Board IC501 ∝PD78058GC-F58-3B9 System Controller, Pin No Pin Name Function

SECTION 6

DIAGRAMS

6-1. IC PIN FUNCTION DESCRIPTION

•MAIN BOARD IC501 ∝PD78058GC-F58-3B9 (SYSTEM CONTROLLER)

Pin No.	Pin Name	I/O		Function
1	DSEL	I	Destination setting terminal Frequency select switch (S502) input in this set
			“L”: MW 9k step or FM 50k step, “H”: MW 10k step or FM 200k step
2	RC IN0	I	Rotary remote commander shift key A/D input terminal
3	SD IN	I	Station detector detect input from the FM/AM tuner unit (TU1)
			Stop level for SEEK, BTM, etc. is determined SD is present at input of “H”
4	AVSS	—	Ground terminal (for A/D converter)
			Input of FM stereo detection signal from FM/AM tuner unit (TU1), and output of forced
5	ST	I/O	monaural control signal to FM/AM tuner unit (TU1) (Commonly used for stereo display input
			and forced monaural output)
			FM stereo detection at input of “L”, forced monaural at output of “L”
6	PLLCE	O	PLL serial chip enable output to the FM/AM PLL (IC1)
7	AVREF1	I	Reference voltage (+5V) input terminal (for D/A converter)
8	PLLSI	I	PLL serial data input from the FM/AM PLL (IC1)
9	PLLSO	O	PLL serial data output to the FM/AM PLL (IC1)
10	PLLCKO	O	PLL serial data transfer clock signal output to the FM/AM PLL (IC1)
11	P-STIN	I	Polar stereo signal input terminal	Not used (fixed at “H”)
12	LCDSO	O	Serial data output to the liquid crystal display driver (IC901)
13	LCDCKO	O	Serial data transfer clock signal output to the liquid crystal display driver (IC901)
14	LCDCE	O	Chip enable output to the liquid crystal display driver (IC901)
15	LCDINH	O	Blank indicate control signal output to the liquid crystal display driver (IC901)
			“L”: no display
16	UNISI	I	Serial data input from the bus interface (IC701) (for SONY bus)
17	UNISO	O	Serial data output to the bus interface (IC701) (for SONY bus)
18	UNICKI	I	Serial data reading clock signal input terminal (for SONY bus)
19	UNICKO	O	Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus)
20	BUSON	O	Bus on/off control signal output to the bus interface (IC701) (for SONY bus)			“L”: bus on
21	SYSRST	O	Reset signal output to the bus interface (IC701) (for SONY bus) “L”: reset
22	AMPON	O	Standby control signal output to the power amplifier (IC611)		“L”: standby
23	AMP MUT	O	Muting control signal output to the power amplifier (IC611)		“L”: muting on
24	TUNON	O	Tuner system power supply on/off control signal output to the BA3918 (IC671) “H”: tuner on
25	FM ON	O	FM system power supply on/off control signal output to the BA3918 (IC671)			“H”: FM on
26	PW ON	O	Main system power supply on/off control signal output to the BA3918 (IC671)			“H”: power on
27	COLOR	I	Input terminal to set whether the illumination color change function is present or not
			“L”: illumination color change function is present (fixed at “L” in this set)
28	AMSON	O	Tape auto music sensor control signal output to the CXA2510AQ (IC301)
			“L” is output to lower the gain for audio level at FF/REW
29	REL	I	Reel table rotation detect signal input from the take-up and supply reel sensor
30	MTLIN	I	Input terminal to set whether the auto metal function is present or not
			“L”: auto metal function is present	Not used this function in this set (fixed at “H”)
31	POS3	I	Tape position detect input from the tape operation switch on the mechanism block
32	POS2	I
33	GND	—	Ground terminal
34	POS0	I	Tape position detect input from the tape operation switch on the mechanism block
35	POS1	I
36	LM LOD	O	Loading/tape operation motor control signal output to the LB1638M (IC361)
			(For the loading direction and forward side operation) *1

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