Sony XR-C8100R service manual IC500 BA3918-V3

• IC Block Diagrams

	IC10 BU2624FV
					20	XOUT
					19	VSS
				PHASE	18	PD
				DET
XIN	1	REFERENCE			17	VDD
		DIVIDER
					16	FMIN
		MAIN	PRESCALER
		COUNT

CE	2	I/O
CK	4		SHIFT REGISTER LATCH		AMIN
		CTL		15
DA	5
CD	6
			IF COUNT	14	P2
			CTL
P0	7
			20BIT COUNT	13	IFIN

P1		9
P3	10						12	SD
							11	P4
		IC101 MSM6684
TEST		1		TIMING				26	VCC
RWCK		2					REFRESH TIMER	25	RS/A
NC		3		GENERATOR
								24	RFSH
TEST		4
					ROW DECODER	ADDRESS MULTIPLEXER
TEST		5		8,388,608DATA			REFRESH ADDRESS
							COUNTER
TEST		9		REGISTER
TEST		10					ROW ADDRESS
DIN		11		COLUMN DECODER
							COUNTER
NC		12	CONTROL				ROW ADDRESS	23	SAD
VSS		13		COLUMN ADDRESS			REGISTER	22	SAS
			I/O	COUNTER				18
									TAS
								17	CS
			WRITE CLOCK					16	WE
			GENERATOR
								15	DOUT
								14	NC

IC500 BA3918-V3
					REGULATOR
					OVER VOLTAGE
						PROTECT
			–						–	–	–
			+						+	+	+
1	2	3	4	5	6	7	8	9	10	11	12
NC	MODE2	MODE1	STB	VDD	AMP	VCC	ANT	COM	AM	FM	GND
										– 54 –

	IC310, 410		TDA8574
VCCL	1
INL	2	BUFFER		VCCL	16	CL+
SVRL	3			LIFT	15	CL–
		BUFFER		AMP
		REFERENCE		VCCL
					14	LGND
				SIGNAL
				AMP	13	OUTL
INML	4
				VCCR
INMR	5				12	OUTR
				SIGNAL
				AMP	11	RGND
		REFERENCE
				VCCR
		BUFFER		LIFT
				AMP
SVRR	6				10	CR–
INR	7	BUFFER			9	CR+
VCCR	8

	IC201 LB1638M
GND	1		10	N.C.
IN1	2	LOGIC	9	OUT1
		CONTROL	8	VS
VCC	3		7	OUT2
IN2	4
GND	5		6	N.C.

	IC602 BA8270F
BUS ON	1	BUS ON	14	VCC
		SWITCH
RST	2	RESET	13	RST
		SWITCH
			12	BUS ON
		BATTERY	11	CLK IN
BATT	3		10	BU IN
		SWITCH
CLK	4
VREF	5
DATA	6		9	DATA IN
GND	7		8	DATA OUT