Sony MDS-JE770 specifications Main Section, IC310, IC550, IC740, IC421, IC411

MDS-JE770

– MAIN SECTION –

BD SECTION A ADDT (Page 38)

		DADT, BCK,
BD SECTION	B	LRCK	DADT
			BCK
(Page 38)
			LRCK
BD SECTION	D	SWDT, SCLK	SWDT
			SCLK
(Page 38)

BD SECTION C 1024FS (Page 38)

		A/D, D/A CONVERTER
		IC500
	SDTO	HIGH-PASS FILTER,	A/D	SUB-	AINL	3	LINE AMP
13					AINR
		DIGITAL	CONVERTER	TRACKTION		2	IC310
		ATTENUATOR	BLOCK
		AUDIO
		INTERFACE			AOUTL+	26	MIX AMP	LOW-PASS
		CONTROLLER			AOUTL–			FILTER
		DIGITAL	D/A			25	IC360 (1/2)	IC370 (1/2)
	SDTI
14		ATTENUATOR,	CONVERTER
	BICK
12		SOFT MUTE	BLOCK		AOUTR+	28	MIX AMP	LOW-PASS
	LRCK				AOUTR–			FILTER
11						27	IC360 (2/2)
								IC370 (2/2)
15	CDTI			CLOCK	XTI	9
		CONTROL		GENERATOR,			OSC
	CCLK
16		REGISTER		CLOCK DIVIDER			IC550
	CS
17		INTERFACE						X550
		PD
		19					45.1584MHz
							REMOTE CONTROL
								RECEIVER

IC740

J300

L

ANALOG IN

R

		L
		ANALOG OUT
		R
		RV790
		PHONE
		LEVEL
MUTING
Q181, 281				J790
		–1		PHONES
MUTING		HEADPHONE
		AMP
CONTROL SWITCH		IC390
Q380
		–2
		MUTING
		Q190,290
D382	D381		A1 I/O	J851
				CONTROL
			Q851
				A1II
			D851
				EXT ON
				IIC CLK

•SIGNAL PATH

: PLAY (ANALOG OUT) : REC (ANALOG IN)

X15

10MHz

15	XIN
13	XOUT

40
ADA,LATCH
FLDT	FLCK	FLCS

1 2 84

39	24	3
ADA,RESET	A1 OUT	A1 IN
		SYSTEM CONTROLLER
		IC1 (2/2)
		JOG0	JOG1
		87	88

KEY0 – KEY3

97,95-93

4 SIRCS

TIMER

92

	38	3	24	81
	MUTE	A1-IN	A1-OUT	STB	KB DATA	22	BUFFER	IIC DATA
							Q22,822
					IIC DATA	30
								5	6
							BUFFER
					KB CLK	21		GND
							Q21,821	3	4
					IIC CLK	29
P DOWN	S.RST				CLK-CTL	34	Q34	1	2
					IIC BUSY	23
							KEYBOARD
					IIC POWER	28
							OFF SWITCH	GND
19 12

+5V

J780

PC LINK

(KEY BOARD)

			70 69 68
	C766, R766		DA	CP CS
		OSCI
	65
	OSC			FL/LED DRIVER
					IC760
	66	OSCO
		P1 P2	P4	SEG01 – SEG35	AD1 – AD4	COM01 – COM22
		72 73	75	3 – 37	79, 80, 2,1	39 – 60
D726	LED DRIVE
STANDBY
	Q726
				– S35	– S39	– G22

				1	3
			A		B
			ROTARY
			ENCODER
	RESET		67
COM23	COM24	VD1SP1	GND		SW
			5		4
61	62	38		S713
			lAMS L
			PUSH ENTER
FL DRIVE			-32V

S746

TIMER

REC

OFF

PLAY

					XBUSY
6	9					RECT
						D431,432
IC600(2/2)		+3.3V			+3.3V	RECT
					REGULATOR
BUFFER						D401-404
		(SYS)			IC401
			D409	D406
		+3.3V
		(BACKUP)	D408	CN406
3 RESET	VCC 5					AC
						(TO FL750)

IC406	BT406
	LITHIUM
RESET	BATTERY

TR950

POWER

TRANSFORMER

TR900

POWER

TRANSFORMER

D733	LED DRIVE	S01	S36	G01
GROUP
	Q733

Q761, 762
G23	G24

–32V

(FL DRIVER (IC760) B–)

–32V

REGULATOR

IC421

RECT D421

FLUORESCENT INDICATOR TUBE	S701 – 706, 711, 712,
	S714-716, 721 – 724,
FL750
	S726,S731-733

D775	LED DRIVE
MD LP
	Q755

AUDIO

CIRCUIT

UNREG +12V

UNREG –12V

RECT

D471, 472

RECT

D466–467

RELAY

DRIVE

Q911

AC IN

S990

IC411	UNREG +12V
	LOADING MOTOR

+5V	DRIVER (IC440) B+
REGULATOR

+5V	3	OUT	VIN	1	RECT
					D411,412

VT +3.3V	+3.3V
	REGULATOR
(TO IC500)
	Q490

VOLTAGE
SELECTOR
110-120V	220-230V

39 39