Sony MEX-5DI Block Diagram - Tuner Section, Display, same as L-ch, D Section, Signal path

MEX-5DI

4-4. BLOCK DIAGRAM — TUNER SECTION —

	CN301-1,-2	-1
		L
	BUS AUDIO
	IN/AUX IN	-2
		R
DISPLAYSECTION C		MS-L
		MS-R
(Page 26)
		CN101
		(ANTENNA)

R-CH

BUS-GND SW

Q352

			MS AMP
		TUNER UNIT	IC310
R-CH		TUX201
	1 AM-ANT	AM DET 8

4 AUX-L

43 MD-L A OUT L 38

9 AM/MPX2

ADSO1		ADSO2		ELECTRONIC VOLUME
				IC301
ADSO SW
	IC309			OUT SW 24
		LCH	33 AC IN L
	ADSO
	IC302
				OUT LF 28

MUTE

Q351

MUTE

Q451

-3		CN301-3,-4
	L
-4			SUB OUT
	R
-1
	L	CN451-1,-2
-2
			FRONT

2 FM-ANT		MPX 10
EEPROM	SDA SCL S-METER	RDS DET
SDA SCL				AEP,UK,E MODEL
17 18	12 13 14	9
		FM AMP			NOISE
				6	DET	7
		Q141
					IC102
				RDS DECODER		Q142
				IC101
		16 FM DET			DAVN	8
		4	OSCO		SDA	9
		5	OSCI		SCL 10
		X101
		4.332MHz

12	MPX1			OUT LR 27
40	CD-L	MPIN LEVEL		SAOUT SACLK
	SDA SCL		SM
	19 20 14 13		17	23 21
				MUTE
				CONTROL
				Q363,364

R-CH

MUTE

Q453

R-CH

TEL MUTE	TEL MUTE
Q406
ILLUMI CHECK	ILL
Q404	ACC
ACC CHECK
Q405
	TEST

	R
			AUDIO
-3			OUT
	L	CN451-3,-4
-4			REAR
	R

SA CLK	DISPLAY
SA OUT	D SECTION
MS MUTE
	(Page 26)
CN401
14

15

7

13

CD		L-CH
	A	R-CH
SECTION		A-ATT
(Page 24)		EJECT

• Signal path

R-CH	MUTE
	CONTROL
	Q530

M	9	MOTOR	3
		DRIVE	4
	7	IC703
M601
		6
(OPEN/CLOSE)

I-DET

IC701(1/2)

S601

(OPEN)

S602

98MOTOR+

97MOTOR-

49 FP IDET

100 OPEN SW

99 CLOSE SW

75 56

NS MASK

DAVN

XIA XOA

	X502									BEEP DRIVE	BZ901
											BUZZER
	3.68MHz
										Q901
92	93	10 11	50 32	5	4	70 71 53	31	6	15
XO	XI	T.ROM SDA T.ROM SCL	QUALITY MNI AU	SDSO2	ADSO1	I2C-SDAI2C-SCL VSM	E VOL ATT	ATT	BEEP		TEL ATT 16
											ILL IN 95
											ACC IN 81
											TEST IN 84
		SYSTEM CONTROL									POW ON 83
		IC501 (2/3)
											TUN ON 115
		KEY ACK	AD ON	KEY INO					FAN		DDC-ON57

BATT		BATT
	AMP POWER	AMP R
	CONTROL
	Q401 (1/2),402
	ANT POWER	ANT R
	CONTROL
	Q401 (2/2),403

16

6

5

: CD

(CLOSE)

73 74

72 80 46 46 TU+8.5V

TUNER POWER CONTROL

REG	POWER
	CONTROL
Q865

BATT

: FM

: AM

• R-ch is omitted due to

same as L-ch.

X501

32.768kHz

BU5V	AD ON
	Q504
						FAN1	AUDIO+8.5V
				BATT	FAM MOTOR
					POWER CONTROL
					Q871-873		8.5V
			KEY
		S200-208,210

Q861,862

AUDIO POWER CONTROL Q863,864

	Q866,867
TU+5V	+5V REG
	Q101

+5V +5V REG IC307

BU+5V +5V REG

Q851

TU+8.5V

AUDIO+8.5V

BATT

25 25