Sony MZ-E90 IC602, MN41X17400CTT-10T1, IC903 S-8328E20MC-EYA-T2, IC552, TLC372CPW, IC803

	IC602	MN41X17400CTT-10T1
VCC	1			26	VSS
D0	2
D1	3			25	D3
				24	D2
XWE	4	TIMING AND CONTROL		23	XCAS
XRAS	5			22	XOE
A11	6
NC	7
A10	8
			4M
			ARRAY
		ROW
		ADDRESS
		BUFFERS	4M
		DECODER	ARRAY
		ROW	4M	I/O
A0	9		ARRAY	BUFFER
A1	10
A2	11
A3	12	COLUMN	4M
		ADDRESS	ARRAY
		BUFFERS
			COLUMN
			DECODER
				21	A9
				20	NC
				19	A8
				18	A7
				17	A6
				16	A5
				15	A4
VCC 13				14	VSS

IC903 S-8328E20MC-EYA-T2
NC	VDD	VOUT
3	2	1
	VREF
SOFT		+ –
START
CIRCUIT		PWM
		CONTROL
		CIRCUIT
4		5
VSS		EXT

IC552	TLC372CPW
8	7	6	5
V+
			V–
1	2	3	4

	IC803	S-8081ANNP-EDF-T2
		4	VDD
NC	1	3	OUT
		+
		–
	VREF
VSS	2
– 35 –