Sony MX-E501 service manual ¥ Signal path

MZ-E501

									SECTION 2
									DIAGRAMS
2-1. BLOCK DIAGRAM
				Iy				MAIN BOARD		RF AMP,FOCUS/TRACKING ERROR AMP
				Ix			CN501				IC501
								VREF
							6		4	VREF
				Jx			9	Iy	8	Iy		RF OUT
														33
							10	Ix	9	Ix			PEAK
							14	Jx	10	Jx		PEAK		29
				Jy							RF AMP,		BOTM
								Jy		Jy
Jx	Jy		Jx									/BOTM		28
							15	A	11	A	FOCUS
							16		12		ERROR,		ABCD
				A				B		B				41
							17		14		TRACKING		FE
Ix	Iy		Ix				7	C	5	C	ERROR			42
				B			8	D	6	D			TE	1
										A-C
a	b	c	d						13		TPP/WPP	ADIP IN		44
										D-C			ADIP	21
				C					7
	F						18	MON	18	PD-I	APC		PD-NI	19
				D
													VC	31
								VIF
				PD								OFTRK		26
									22	DVDD			XRST
									40	AVCC				25
											SERIAL		SBUS	23
												I/F	SCK	24
							5
												S MON
								LASER						43
					LD-A					PD-O	S-MONITOR
							12	AUTO POWER	20
				LD				CONTROL
								Q501
							13
					LD-K
				S0	S0		11
				S1	S1		19
								VL
				AVCC	AVCC		20
											FOCUS/TRACKING COIL DRIVE,
											SPINDLE/SLED MOTOR DRIVE
				MINIDISC							IC551
			OPTICAL PICK-UP BLOCK
				(LCX-4E)					42
														38
									41
									40					37
									39
							2	TRK+	33
											PRE
				TRACKING					32			HI-BRIDGE		24
											DRIVER
				COIL								CONTROL		25
							1	TRK-
									35
								FCS+						BIAS
							4
				FOCUS					10
				COIL				FCS-
							3		7			HI-BRIDGE		19
											PRE
											DRIVER	CONTROL		18
				MINIDISC					8
				MECHANISM BLOCK
				M902				CN551
				(SLED)		SLED1+	5		14		PRE	HI-BRIDGE		16
									15					17
						SLED1-					DRIVER	CONTROL
							7		12					20
						SLED2+	6		29		PRE	HI-BRIDGE		26
						SLED2-	8		31		DRIVER	CONTROL		27
							1		54					1
									51
									52					56
				M901					53					55
				(SPINDLE)
						CLVU	2		48
														2
									45
						CLVV					PRE	3 PHASE		3
							3		46
											DRIVER	CONTROL		4
						CLVW			49					5
							4		44
														6
								UNREG

37 RFI
44 PEAK
45 BOTM
46 ABCD
47 FE
56 TE
74 ADFG
78 APCREF
49 VC
12	VREF MON
217	OFTRK
221	XRF RST
160	SSB DATA
161	SSB CLK
9	S MON
194	PD S0
195	PDS1
EEPROM
IC801
DI DO SK XCS
4 3 2 1
219	XCS NV
181 SCK0
180	S00
179	SI0
100 SLD1MON
101 SLD2MON
81 TFDR
88 TRDR
3	XTEST
TAP601
(TEST)
82 FFDR
80 FRDR
98 SLDV
96 SRDR
97 SFDR
99	SLDW
102	SLCW
	XCS NV
93	SI0
	SPCU
	SCK0
94	SPCV
	S00
95	SPCW
90	SPD W
89	SPD V
87	SPD U
88	SPDL PWM
220	XRST MTR DRV

DIGITAL SIGNAL PROCESSOR,

DIGITAL SERVO SIGNAL PROCESSOR,

EFM/ACIRC ENCODER/DECODER,

SHOCK PROOF MEMORY CONTROLLER, 16M BIT D-RAM, SYSTEM CONTROL

IC601

AOUT L 29

AOUT R 30

BEEP 183

XHP STB 240

MUTE 218

RMC DTCK 142
		RMC VDD
REC KEY 18
SET KEY2	14
TSB MST VDD 141
OPR LED R PWM 167
OPR LED G PWM 163
HOLD SW	227
XAVLS	224
SET KEY 1	13
WK DET	17
HALF LOCK SW	19	VIF
DIFVDD0	76
DIFVDD1	103
TSB SLV VDD 143
MIFVDD0	154
MIFVDD1 176
MIFVDD2 196
TSB SLV CHK 210
MIFVDD3	241
OSCI	24	X601
OSCO 25		45.1584MHz
RMC KEY	20
VB MON 10		UNREG
VC PWM	165
VL PWM	164
FS4	86
VLON	234
SLEEP	235
FFCLR	236
XRST	8
AVDD	21
		AVDD
AVD1	23
AVD2	119
VDI00	139
VDI01	151
VDI02	231	DVDD
MCU VDD0	6
DSP VDD0	59
DSP VDD1	73
MCU VDD1	84
DSP VDD2	91
DSP VDD3	113
MCU VDD2	153
MCU VDD3	222

		HEADPHONE AMP
		IC301
						R-CH
	22			2		L-CH
						J301
R-CH						i
	21	IN B	OUT B	4	R-CH	RGND
UNREG		+B
	1		BEEP OUT A	24		KEY
VIF	20	VCC	BEEP OUT B			DATA
				23
						RMC
	15		BEEP		REFERENCE	VDD
	18	STB	VREF IN 13		VOLTAGE
					SWITCHING
	17	MUTE
					Q301

VDD

D801

(INFO)

Q801

LED SWITCH

OFF ON

S808

HOLD

S809
(OPEN/CLOSE	S806	S805	S804	S803	S802	S801
DETECT)	GROUP	VOL	VOL	.	>N	x

+--

	POWER SUPPLY
DVDD	IC901			VL
44	VD	VLO	10	VC
5
	XWK4	VCO	35
2	XWK1			VIF
7	VRMC	VIF	42	AVDD
3	XWK2
			41
		VA
		VG	19			VG
26	INM1			D903
		LG	18
27	RF1
23	RF2			L906
22	INM2	VL	9
56	CLK	VL	11	D902
1	VLON	L2	16
55	SLEEP
		L2	12	L902
54	FFCLR
						UNREG
46	XRST
36	VC			L901	B+		RECHAGEABLE
34	VC	L1	32
					SWITCH		BATTERY
45	VC2	L1	28
				D901	Q901		NC-6WM
							1PC, 1.2V 600mAh
		VC OUT	33			VOLTAGE
						DETECTOR
		VB	50
						IC903
		XWK3	4
				SWITCH
		VSTB	6		1	OUT IN	3
				Q902,903

	DRY BATTERY
¥ Signal path	SIZE "AA"
	(IEC DESIGNATION LR6)
	1PC, 1.5V

J: Audio (Digital) F : Audio (Analog)

¥R-CH is omitted due to same as L-CH

33