Sony STR-DE245/DE345 specifications Section Diagrams, Block Diagram

		SECTION 3
		DIAGRAMS
3-1. BLOCK DIAGRAM
	TUNER UNIT			AUDIO SELECT
					IC201
	L OUT		66	IN F2	L OUT 49
FM	FM	R-CH	71	IN A2
	R OUT
AM	AM DET OUT		61	REC OUT 2A
	DATA OUT	PLL DATA	70	IN B2
		S DATA
	S DATA
		S CLK	61	REC OUT 2B
	S CLK
		S CE
	SLAT		63	IN G2

POWER AMP

IC701

+V OUT1	2		BOOSTER
			Q703
		LIMITER
		Q701
6 IN1 NF1	5
MUTE		LIMITER		OVER LOAD	Q707	D706
				DETECT
Q361		Q702
				Q708,709
-V OUT1	3		BOOSTER	CURRENT
				DETECT
			Q704
				Q705,706
+V OUT2	12		BOOSTER

			R-CH
		RY791	PHONES
	RELAY
	DRIVE		TM602
	Q791
		RY710	L
D731			SPEAKERS
	RELAY	R-CH	FRONT
	DRIVE		R
	Q730

SIGNAL	SIGNAL	27 SW CH N IN
	STEREO
STEREO
	AUTO STOP
TUNED
	T MUTE
T MUTE		SL OUT 43

Q653

LIMITER

Q651

8 IN2 NF2 9

TM601

R-CH SR

SL

RY610

SPEAKERS

REAR

	J401
CD
OUTPUT
MD/
TAPE
INPUT
	60	SEL OUT2
OUTPUT	59	D OUT2
VIDEO
INPUT
	DOLBY	C OUT 37
	SURROUND PROCESSOR

MUTE		LIMITER		OVER LOAD	Q659	D606
				DETECT
Q362		Q652
				Q657,658
-V OUT1	11		BOOSTER	CURRENT	D506
				DETECT
			Q654
				Q655,656
POWER AMP
IC501
+V OUT	6		BOOSTER
			Q503
		LIMITER
		Q501
1 IN+ IN-	2

D735	RELAY	C
	DRIVE		SPEAKERS
	Q610		CENTER

RY510

J501		IC202
WOOFER	61 LT IN	L OUT 16	58 T IN2

FRONT			34	FC L IN	SL OUT	18		44	SL CH N IN
5.1								45	SL CH D IN
CH/DVD
REAR			32	FC SL IN	C OUT	10		38	C CH N IN
								39 C CH D IN
CENTER			62	FC C IN
		DATA	52 DATA						SW CH OUT 28
		CLK					DATA
			53	CLK				32	DATA
							CLOCK
			51	ENABLE				31	CLOCK
							S CE
								33	LATCH
	AEP,UK,Russian,
	East European MODEL
• RCH is omitted
• Signal Path	RDS	2
	IC1

MUTE	LIMITER		OVER LOAD
			DETECT
Q363	Q502
			Q507,509
-V OUT 5		BOOSTER	CURRENT
			DETECT
		Q504
			Q505,506
			D721

PROTECT SWITCH

Q722,723,725

IC401

3 1

MUTE

Q364

D734	RELAY
	DRIVE
	Q550

D736

RY470

RELAY

DRIVE

Q470

J403

SUB

WOOFER

E,Saudi Arabia,PX MODEL

4

16

: FM

14

13

: CD

X1

: VIDEO

4.33MHz

SIGNAL

STEREO

AUTO STOP

T MUTE

PLL DATA

S DATA

S CLK

S CE

DATA

CLOCK

S CE

28

23

21

22

24

19

18

20

38

15

17

7

8

9

59

DE345 MODEL

SIGNAL

STEREO IN

AUTOSTOP

T MUTE

PLL DATA

S DATA

S CLK

S CE

RDS CLK

RDS DATA

S CE

S DATA

S CLK

S CE

FUNCMUTE

5.1CH

VIDEO SELECT

(VIDEO IN)

J281

IC281

5.1 IN

12

V3

SYSTEM CONTROL

TV/LD

1

V1

S1

13

2

S1

IC103

S2

2

3

S2

J282

S2

4

OUT

5

OUT

M

11

4

IC MUTE

VIDEO1

IN

3

V2

MONITOR OUT

10 M OUT

SETUP LED

NAME LED

LEVEL LED

SURR LED

S FIELD LED

MUTING LED

ENCODER

ENCODER

SYS POWER

16

X1

X2

B.B LED

A/D1

A/D4

12

11

63

64

65

66

69

68

45

33

30

50

49

56

X201

2

3

5.00MHz

LED DRIVE

LED DRIVE

FUNCTION

ENCODER

Q210-215

Q126

KEY

S206-235

RV201

S236,237

S200

CE MODEL ONLY

SYSTEM

D216

POWER

D210-215

MUTING

47	54	53	51	52	55
PROTECT	H/P RY	FRONT RY	REAR RY	CTR RY	WOOFER RY
								IC203	D202
						SIRCS 26		REMOTE
								1 CONTROL	2
								RECEIVER
						VDD	1
						VDD	16
						VDD	34		D201
						VDD	46
					RY	RESET	10	RESET
								Q201,202
SP SW					POWER
	DIG1-10		S1-S15			STOP	39
61	100	91	90 80 . 78 75		48
F1				F2
ON
		FLUORESCENT
OFF	INDICATOR TUBE
S201			FL201
SP

POWER AMP		-B SW			D802	T901
						240V
-B		Q715		POWER AMP		220V
						120V
				+B
						0V
FL201		-24V REG
-24V		Q801
		IC801		D824
POWER AMP		+12V			D820-823
	3		1
+12V		REG
RELAY
+B		IC805
DOLBY SURR	3	+9V	1
+9V		REG
		IC803				F1
DISPLAY		+5V
	3		1
+5V(A)		REG
						F2
		IC804
TUNER,RDS
		+5V
AUDIO	3		1
		REG
+5V(B)
		IC807
AUDIO	3	+7V	1
+7V		REG
		IC802
AUDIO	3	-7V	2
-7V		REG
				+5.6V REG
				Q951
				3	D910-913	T972
			8	POWER
				CONTROL 5
				IC950
				6
					D914	D915
						RY901
					RELAY
					DRIVE
					Q470

VOLTAGE
SELECTOR	S901

AC

IN

77