Sony Ericsson Block Diagram - Display Section, CDX-CA850/CA850X/CA860X, Tuner, Boot, Flash On

CDX-CA850/CA850X/CA860X

3-4. BLOCK DIAGRAM — DISPLAY SECTION —

					SUB SYSTEM CONTROL						SYSTEM CONTROL
											IC501 (3/3)
						IC701
	BUS SI				98	UNI SI
	UNI SO				97	UNI SO
2	BUS CLK				101 UNI SCK
	BUS ON				38	BUS ON				80	ADON
CD	LINK OFF				50	LINK OFF	XTAL 85	X701
SECTION	S RST	6	BUF	7	81	RES			KEY
(Page 23)			IC702				EXTAL 86	18.432MHz	ACTIVE	79	KEY ACK
									Q701
									CA850
3	PW ON				33	PW ONI			J651	107 RC IN1
	SA CLK				1	SA CLK			(REMOTE IN)	48	RC IN0
TUNER	SA OUT				112 SA OUT
SECTION
(Page 24)									KEY IN	46	KEY IN0
									MATRIX	47	KEY IN1
							BOOT 57			57	BOOT
							ILL ON 52			82	FLASH ON

		LCD DRIVER
		IC901			POWER
						LCD+B
				BATT	CONT.
		DATA	100	60 LCD DATA	Q702,703
		CLK	99	64 LCD SCK
LCD901		CE	98	66 LCD CE1
		DIMMER
		86
		DIMMER				LED851
						LED
		CONTROL					58 DOOR IND
						DRIVE
		Q903
						Q705,706
LSW921		LED910-913				S102	81 NOSESW
						(NOSE DET)
		LCD+B
	BATT	REG		BU5V
		Q501

POWER

BATT CONT. Q402,403

+6V REG

Q401

POWER

CONT.

Q405,407

CD 6V

+5V REG

Q406

MD ON	5
CD ON	CD
	SECTION
CD 5V	(Page 23)

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