Sony MDX-C5970R service manual IC300 TDA7462D013TR, IC600 BA8270F-E2 IC800 BA3918-V3

IC300

TDA7462D013TR

28

SE3L

27

SE3R

26

MUTE

25

SDA

PAUSE

24

SCL

23

PAUSE

DETECT

INPUT

LOUDNESS

VOLUME

TREBLE/

VOICE BANDPASS

FRONT

22

OUT FL

REAR SIDEFRONT SIDE

SELECTORSELECTOR

GAIN &

SOFT

BASS

FADER

SE1L

1

CONTROL

CONTROL

AUTO

MUTE

CONTROL

HP

LP

SE1R

2

CIRCUIT

CIRCUIT

ZERO

CIRCUIT

MD+

3

INPUT MULTIPLEXER & MIXING STAGE

FRONT

MD–

4

21

OUT FR

FADER

CDL+

5

CDL–

6

COMPANDER

CDR–

7

CDR+

8

PDR

9

REAR

20

OUT RL

PDGND

10

FADER

PDL

11

LOUDNESS

SE2L

12

INPUT

SE2R

13

CONTROL

REAR

GAIN

19

OUT RR

CIRCUIT

FADER

SUBWOOFER

FADER

BEEP

LP

SUBWOOFER

18

SUBOUT+

OUT

17

SUBOUT–

IIC

SDA

DIGITAL CONTROL CIRCUIT

SCL

BUS

CREF

14

POWER

16

VDD

SUPPLY

15

GND

IC600

BA8270F-E2

IC800

BA3918-V3

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

					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

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