Sony MZ-R91 service manual Waveforms, IC Block Diagrams, IC301, AK4517BVQ-L, IC501, SN761056ADBT

•Waveforms

1 IC301 1 (MCLK), IC502 rh (FS256)

1V/DIV, 50 ns/DIV

2.7Vp-p

88.5 ns

2 IC301 2 (LRCK), IC502 rd (LRCK)

1 V/DIV, 10 µs/DIV

2.8 Vp-p

22.7 ∝ s

3 IC301 3 (BCLK), IC502 rg (XBCK)

400 mV/DIV, 200 ns/DIV

6 IC501 ed (RF), IC502 uk (RFI) (PLAY Mode) qa IC502 <zxv (SPVS), IC504 1, 2
400 mV/DIV, 1 µs/DIV	IC601 3 (PWMI), IC801 yj (SPDL PWM)
	(REC Mode)
	1 V/DIV, 5 µs/DIV
Approx.
1.4 Vp-p
	2.8 Vp-p
7 IC501 rs (FE), IC502 ij (FE) (PLAY Mode)	11.4 ∝ s
200 mV/DIV, 1 µs/DIV
	qs IC502 <zxm , <zx, , <zx. (SPDU, SPDV, SPDW)
	IC504 5, 6, IC505 1, 2, 5, 6
Approx.	IC601 1, 2, rk (VI, UI, WI)
416 mVp-p	IC801 wf, wg, wh (CLV U, CLV V, CLV W)
	(PLAY Mode)
	1 V/DIV, 5 ms/DIV

2.8 Vp-p

8 IC502 w; (OSCO)

400 mV/DIV, 20 ns/DIV

11.1 ms

1.3 Vp-p

qg IC601 ej, ek, el, r; (COM, CPWI, CPVI, CPUI)

400 mV/DIV, 5 µs/DIV

1.3 Vp-p

11.5 ∝ s

qh IC603 qk (COSC) (REC Mode) 400 mV/DIV, 5 µs/DIV

1.6 Vp-p

5.7∝ s

qj IC603 wa, wd (CIH, CIL) (REC Mode) 2 V/DIV, 2 µs/DIV

w; IC801 yh (VC PWM)

40 mV/DIV, 5 µs/DIV

203 mVp-p

11.3 ∝ s

wa IC803 5 (LX)

50 mV/DIV, 5 µs/DIV

112 mVp-p

7.4 ∝ s

ws IC804 8 (OSCOUT)

500 mV/DIV, 20 µs/DIV

1.2 Vp-p

wg Q607 (Drain)

50 mV/DIV, 5 µs/DIV

114 mVp-p

8.6 ∝ s

wh Q904 (Drain)

1 V/DIV, 5 µs/DIV

3.5 Vp-p

7.6 ∝ s

• IC Block Diagrams

IC301	AK4517BVQ-L
	NC		CMODE	PD	RST	SSB	NC	NC	NC	LIN1	RIN1	TST1	LIN2	RIN2 TST2	LIN3	RIN3
	64		63	62 61 60 59 58 57						56 55 54 53 52 51 50 49
MCLK	1	CLOCK																	48	IPGAL
		DIVIDER
																			47	ADCL
LRCK	2
BCLK	3																	A/D	46	VCML
SDTO	4																		45	NC
		AUDIO																CONVERTER
								HPF											44	VCMR
NC	5	INTERFACE
SDTI	6	CONTROLLER
DIF0	7																		43	ADCR
DIF1	8																		42	IPGAR
																			41	NC
																			40	NC
NC	9																		39	NC
TST3	10																		38	VRAD
NC	11
																			37	LOUT2
																			36	ROUT2
																			35	VRDA
DCODE0	12																		34	OPGAL
DCODE1	13	CONTROL															D/A
DCODE2	14						DPGA							DBB					33	LOUT1
		REGISTER
																	CONVERTER
CS (SCK)	15	INTERFACE
CCLK (SSI)	16
		17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32

IC501		SN761056ADBT
							44	ADIPIN
TE	1
						DWBPF
REXT	2		ADIP	TEMP		DW
						AWBPF
WPPLPF	3			TE		MIJ
				ADIP		MALFA
VREF11	4			TON BOTM		D-C
				TON PEAK	S-MONITOR	A-C
				AW+DW		VREF075
				CSL		CSLO
C	5	TRACKING		TON		AW
		ERROR		NPP		PK/BTM
D	6	AMP		I+J		TWPP
				A+B+C+D			43	S-MON
							42	FE
D-C	7	TPP/WPP		ABCD			41	ABCD
				AMP
							40	AVCC
							39	OFC-C1
IY	8	FOCUS				RF	38	OFC-C2
IX	9						37	PS
		ERROR				AMP
JX	10						36	LP
		AMP
JY	11						35	EQ
							34	AGND
							33	RF

354 ns

4 IC501 1 (TE), IC502 oh (TE) (PLAY Mode)

200 mV/DIV, 1 µs/DIV

Approx. 396 mVp-p

5IC501 8, 9, 0, qa (IY, IX, JX,JY) (PLAY Mode)

200 mV/DIV, 500 ns/DIV

Approx. 540 mVp-p

44.3 ns

9IC502 <zzc (FS4), IC603 ql (CK) 1 V/DIV, 2 µs/DIV

2.7 Vp-p

5.7∝ s

0IC502 <zxv (SPVS), IC504 1, 2

IC601 3 (PWMI), IC801 yj (SPDL PWM) (PLAY Mode)

1 V/DIV, 2 µs/DIV

2.8 Vp-p

qd IC502 <zxm , <zx, , <zx. (SPDU, SPDV, SPDW) IC504 5, 6, IC505 1, 2, 5, 6 IC601 1, 2, rk (VI, UI, WI)

IC801 wf, wg, wh (CLV U, CLV V, CLV W) (REC Mode)

1 V/DIV, 10 ms/DIV

2.8 Vp-p

20 ms

qf IC502 <zc/ , <zcz , <zcx (SPCU, SPCV, SPCW)

IC601 ef, eg, eh (COWO, COVO, COUO)

1 V/DIV, 5 ms/DIV

2.8 Vp-p

5.7∝ s

qk IC801 rg (XTAL) 1 V/DIV, 20 ns/DIV

2.2 Vp-p

59.1 ns

ql IC801 yg (VRM PWM) 100 mV/DIV, 5 µs/DIV

508 mVp-p

11.3∝ s

	30.5 ∝ s
wd IC901 qh (PWMVC), Q904 (Gate)
5	V/DIV, 2 µs/DIV
	8.8 Vp-p
	7.8 ∝ s
wf IC901 rd (CLK)
1	V/DIV, 2 µs/DIV
	2.7 Vp-p
	7.6 ∝ s

CDTO

CDTI (SSO)

DGND VD

NC

VB

VA

NC

NC

AGND

NC

NC

VCOM

DZF

OPGAR

ROUT1

IC304, 305 RN5RZ25AA-TR

GND	1		5	CE
VDD	2		VREF
		–	+
			CURRENT
			LIMIT
VOUT	3		4	NC

A	12			32	CCSL2
A-C	13
B	14		POWER	31	VC
TON-C	15	T-ON	SUPPLY	30	VREF075
CIG	16		PEAK/BOTM	29	PEAK
CDN	17			28	BOTM
PD-NI	18	AUTOMATIC		27	DGND
PD-I	19
		POWER CONTRL
PD-O	20
				26	OFTRK
ADFG	21		SERIAL	25	XRST
				24	SCK
DVDD	22		INTERFACE
				23	SBUS

– 38 –

5.3 ∝ s 11.8 ms

– 39 –

– 40 –

– 41 –

– 42 –