Sony MDX-C6500RX service manual MDX-C6400R/C6500R/C6500RX

MDX-C6400R/C6500R/C6500RX
4-4.	BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
	CN701					REMOTE CONTROL		MASTER CONTROLLER
BUS CONTROL IN						RECEIVER
								IC501 (3/3)
						IC951
(FOR SONY BUS)
	3	D708		SIRCS BUFFER
SIRCS							24	SIRCS
				Q704
		BU B+	RESET SIGNAL				90	RSTX
			GENERATOR
				IC652			86	HSTX
						SW503
						RESET
						D301
			SONY BUS INTERFACE
				IC701
RESET	2	2	RST	RESET	RST	13	11	SYSRST
				SWITCH
DATA	5	6	DATA	DATA IN		9	18	UNISO
				DATA OUT		8	17	UNISI
CLK	4	4	CLK	CLK IN		11	19	UNICKO
	BUS ON SWITCH
			BUS ON				20	UNICKI
	Q705				BUS
BUS ON	6	1	OUT	BUS ON	ON IN	12	3	BUSON
				SWITCH
								PW ON 120
	7		BATT	BATTERY	BU IN			TUNON	1
BATT		3				10	77	BUIN
				SWITCH

TUNER +8.7V

TUNER +5.6V

RDS DECODER

(IC51) B+

COM +8V

(AUDIO CIRCUIT B+)

BU B+

PULL UP +5V

D677

U-COM +5V

D2

D1

D676

6AMP+B

8ANT+B

REGULATOR

IC671

11TU8.7V

10TU5.6V

9	COM8V
5	BU+B	SW
	STB	5.6VON
	4	3

	CN601 (2/2)
	(POWER CONNECTOR)
D673
	6	ANT-R
D674
	5	AMP-R

BACK-UP B+

POWER AMP

(IC611) B+

VCC 7

SW8.7VON 2

TH701	D702
	D701	BATTERY
BACK-UP B+
		DETECT
		Q701	7
		ILLON
		ACC IN	82
		DOORIND	29

LCD B+

LCD DRIVER

(IC901) B+

LED901-904,

LED910-915,

LSW901-917

REGULATOR

CONTROL SWITCH

Q633

ACCESSORY CHECK

Q661

LED810

(MD DISC SLOT) LED810,

LSW810LSW810

Z

FU601	16
REGULATOR	+B
Q631
D662	7
	ACC

REGULATOR

Q551

	MD MECHANISM CONTROLLER
		IC501 (2/2)
	60	BU-IN	MD-ON 65
	61	BUS-ON
	30	RESET	MDMON 10
	49	UNISI
	48	UNICKIO
LEVEL SHIFT	50	UNISO
Q706
	46	LINKOFF
05
	20	20

REGULATOR

CONTROL SWITCH

Q363

REGULATOR

CONTROL SWITCH

Q250

LO- +12V

LOADING MOTOR

DRIVER (IC305) B+

VCC

+3.3V

+3.3V REGULATOR IC401, Q401

B+ SWITCH

Q402, 403

DRIVER +5V

MOTOR/COIL DRIVER

(IC303) B+

+12V

REGULATOR

Q361

+5V

REGULATOR

Q362