Sony MZ-R900 service manual IC Block Diagrams, IC301 AK4562VNS-L

MZ-R900

• IC Block Diagrams

IC301		AK4562VNS-L
		CDTI	LRCK	MCLK	TST	BCLK	SDTI	SDTO
		21	20	19	18	17	16	15
CCLK	22	CONTROL		CLOCK
				DIVIDER
		REGISTER
CSN	23
		I/F
						AUDIO I/F
PDN	24									14	VT
						CONTROLLER
SSB	25									13 DGND
LOUT1	26		D/A CONVERTER			A/D CONVERTER				12 VD
OPGAL	27						/HPF			11 VREF
ROUT1	28					GAIN		GAIN		10	VA
			GAIN			AMP		AMP		9	AGND
			AMP							8	VCOM
			GAIN
			AMP
		1		2	3	4	5	6	7
		OPGAR		LOUT2	ROUT2	LIN1	RIN1	LIN2	RIN2

IC302		AN7536FHNABV
		HP/L	MUTE	BEEP		GA R
		16	15	14		13
		HEADPHONE	MUTE	BEEP
		/LINE
		SW
				–		12 ROUT
R IN	1			+
GND	2					11 GND
L IN	3			+		10 L OUT
				–
						9 GA L
RIP FI	4		RF1		RF2
			5	6	7	8
			CR	VCC1	RIP F2	VCC2

IC303	NJM2173APC1 (TE2)
	DC CUT 1	IN1	MIC V+1	REG
	12	11	10	9
OUT 1 13	AMP 1			8	NOISE
NC 14				7	GND
NC 15				REG	V+
				6
OUT 2 16	AMP 2			GV	STBY
				5
	1	2	3	4
	DC CUT 2	IN2	MIC V+2	GV

IC501		SN761057DBT
						44	ADIP-IN
			A+B+C+D		TWpp	43	S-MON
			I+J		PK/BTM
TE	1		NPP		Aw
			TON		CSLO
REXT	2		CSL		VREF075
Wpp LPF	3		Aw+Dw	S-MONITOR	A-C
			TON Peak		D-C
VREF	4
			TON Botm		Malfa
C	5
			ADIP		Mij
D	6		TE		AwBPF
		TE	TEMP		Dw
					DwBPF
D-C	7					42	FE
		Tpp/Wpp
						41	ABCD
						40	OFC-C1
						39	OFC-C2
						38	AVCC
						37	PS
					RF	36	LP
Iy	8					35	EQ
Ix	9					34	AGND
		FE				33	RF
Jx	10
						32	CCSL2
Jy	11
			ABCD			31	VC
A	12					30	VREF075
A-C	13				PEAK/BOTM	29	PEAK
B	14					28	BOTM
TON-C	15				OF TRK
CIG	16					27	DGND
CDN	17
				T-ON		26	OFTRK
PD-NI	18
PD-I	19	APC
PD-O	20
				SERIAL		25	RESET
						24	SCK
				I/F
						23	SBUS
		ADIP
ADFG	21
DVDD	22

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