Sony CDX-M800 service manual Block Diagram Display Section, Clk

CDX-M800

4-4. BLOCK DIAGRAM — DISPLAY SECTION —

BUS INTERFACE	SYSTEM CONTROL
IC301	IC303 (3/3)

CNP102

(BUS CONTROL IN)

	8
6	3
5	2
4	1
	7
	BATT
		BATT
	BATT	BATT DET
		Q101

DATA		8	30	UNI SI
6
		9	29	UNI SO
CLK		11	31	UNI CKO
4
1	BUS	12	64	BUS ON
	ON
2	RESET	13	65	SYSRST
3	BATT	10	18	BU IN
	CHECK

		IR	D70
SIRCS 1	7	RECEIVE	1
		IC62
		IR	D513
	7	RECEIVE	1
		IC503
KEY IN0 85		KEY IN
KEY IN1 84		MATRIX	AEP,UK,E MODEL
RC IN1 70			CNJ101
RC IN0 86			(REMOTE IN)
KEY ACK2 87
KEY ACK0 88

			LCD DRIVER
				IC1
		1	SEG1
			I
LCD2		I	SEG95		INH	117
		103 COM1
					CF 118
			I
			COM8		CLK	119
	LED SW1			DIMMER
LED CONTROL		105			DATA 120
Q907,908
			104 106
LED CONTROL	LED SW2				DIMMER
					CONTROL
Q903,904
					Q905
FL 900
						5
	GCP		FL CONTROL			4
		11		IC301		2
						1
	T800
FL+
FL-		DC-DC CONVERTER
FLVDD				IC800

	SUB SYSTEM CONTROL
		IC2
X301	11	XOUT
30MHz	13	XIN
			SYS CE	1
	37	LCD INH
			SYS SO	29
	36	LCD CE
			SYS SI	30
	35	FL CLK
			SYS CLK	31
	33	FL DAT1
			CNVSS	7
	21	LAT
	22	BK
	99	FL DAT2
	3	FL DAT3
	23	GCP2
	25	GCP1
	27	GCP4
	28	GCP3
	93	FL ON
FL POWER
CONTROL	BATT
Q801,802

95 DISP CE

98 DISP SI/RX

99DISP SO/TX

100 DISP CKO

7 CNVSS

KEY ACK1	89	IC302
RESET	10	1 RESET 2	+5V

RAM BU 91
		S932	SW501
		(RESET)	RESET
BATT	1	MOTOR+B REG	3	MT+B
		IC306			M601
		2
					(OPEN/CLOSE9
MOT+ 78			11	MOTOR 3
				DRIVE	14
MOT- 77			6	IC307
					16
				12
MT+B		VREF
		CONTROL
		Q306,307
FP CTRL 2
I-DET76		I-DET	7	I-DET	3
		Q305		IC308
OPEN SW 75		SW900
CLOSE SW 74		(OPEN/CLOSE)		D512
				(DISC IN)
		LED CONTROL
		Q503,504
OPEN KEY 90		S931
		(OPEN)

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