Sony STR-DE845 IC301, TC9273N-004MAIN Board, IC303, TC9273N-014MAIN Board, IC414-416

IC301		TC9273N-004 (MAIN Board)
IC303		TC9273N-014 (MAIN Board)
IC330 TC9273N-013 (MAIN Board (DE945))
IC1502 TC9273N-012 (EL) (AU SW Board)
VSS	1			28	VDD
S1	2			27	S1
S2	3			26	S2
S3	4			25	S3
S4	5			24	S4
S5	6			23	S5
		10BIT	10BIT
S6	7	LATCH	LATCH	22	S6
		CIRCUIT	CIRCUIT
S7	8	(L-CH)	(R-CH)	21	S7
S8	9			20	S8
S9	10			19	S9
S10	11			18	S10
S11	12			17	S11
GND 13				16	STB
CK 14		LEVEL SHIFT & SHIFT REGISTER
				15	DATA

IC414-416			TC9299P (MAIN Board)
	VSS	1				16	VDD
	OUT	2				15	OUT
L-ch	IN	3	L-CH		R-CH	14	IN	R-ch
	NC	4	DATA		DATA	13	NC
			LATCH		LATCH
	A-GND	5				12	A-GND
			CIRCUIT		CIRCUIT
				SHIFT
	CS1	6	REGISTER			11	CS2
			LEVEL	(13bit)	LEVEL
	GND	7	SHIFT	STROBE	SHIFT	10	STB
	CK	8	CIRCUIT		CIRCUIT	9	DATA
			GENERATOR
				CIRCUIT

IC501, 601, 701 µPC2581V (MAIN Board)

BIAS CIRCUIT

PROTECTOR

REG DRIVE

PRE

DRIVE

PRE

DRIVE

DRIVE

1	2	3	4	5	6	7	8	9	10	11	12	13 14 15
MUTE	VOUT1	VOUT1	COMP1	MF1	IN1	GND	IN2	NF2	COMP2	VOUT2	VOUT2	VCC1	VCC2 VEE
	+	–								–	+

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