Sony service manual STR-DE845/DE945 SECTION DIAGRAMS, BLOCK DIAGRAM – MAIN /2

STR-DE845/DE945

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM – MAIN Section (1/2) –

TM301

TUNER UNIT

	SELECTOR	IC309
	IC330
26	TUNER	COM 26
27	CD	COM 27
25	MD	COM 25
23	TAPE

(DE945)

		J306
		L	2ND
		R	AUDIO
	R CH		OUT
Q301	RY301
RELAY

TM301
(ANTENNA)
FM	FM
75Ω
AM	AM

L OUT 10

R OUT 12

R CH

15 14 16
S DATA	S CLK S LAT		(DE945)
AUDIO SELECT
IC301				SELECTOR
3			J305	IC303
	TV/SAT	INPUT	L	27

IC304

IC1504	IC1504	AUDIO CODEC	FRONT L
		IC1503

DRIVE
	SELECTOR
	IC1502
19	2CH L
18	CDL	IC1510
20	S.1-L L OUT 17	L
		MUTE

DO	TUNED	STEREO	MUTING
4	14 15 13
DO	TUNED	STEREO	MUTING

DATA 2

DATAS

CLOCK CE
3	1
S CLK	S LAT

EQ AMP

4	DVD/LD INPUT	L	26
2	OUTPUT	L	25
8	VIDEO2		J304
7	INPUT	L	27
6
	OUTPUT	L	26

30	LIN+		REAR L
		5.1CH INPUT
29	LIN-		CENTER
9	SDTO		SUB WOOFER
39	MCLK1	IC1507	7
4	BCLK	L OUT1 27 5
5

23	S.1-LS	Q1502	IC1508
26	S.1-C C OUT 25		C
3	S.1-C	MUTE
		Q1505	IC1508
J307
	W OUT 4		W
21	L	MUTE

J301

PHONO IN L

CD IN L

IC302

11	12	VIDEO1
10			25	17
		INPUT L
	CONTROL			CONTROL

	LRCK	L OUT3	23	5	7
					IC1505
2	SDTI 1	R OUT3	24	3	1
3	SDTI 2				IC1505
		L OUT2	25

27	C	Q1506	IC1509		B
		LS OUT 22		SL
2	W				(Page 13)
		MUTE
24	LS	Q1503

(DE845)	(DE945)		J302
		IN	L
MD/TAPE	DAT/MD
		RECOUT	L
	IN	L	J303
TAPE
	RECOUT	L
(DE945)		IC001
DVD/LD IN		IR LINK	5
		DET		SELECT	7
			4
		IC002
TV/SAT IN		IR LINK	6	SWITCH	10
				IC1005
		DET	3
					11
		IC003
			4
DAT/MD IN		IR LINK			12
		DET
						A
		IC004		A	14
						B
MD/DAT OUT		IR LINK	9	B	2
		DET
			IC007
		J1001
COAX	DVD/LD IN
(DE945)

DI	CLK	CE	DI	CLK	CE
15 14 16			15 14 16
S DATA
	S CLK	S LAT	S DATA	S CLK	S LAT
		DIGITAL AUDIO
		I/F RECEIVER
		IC1101	DATA 16
			CK OUT 13
		3 D IN	BCK 14
			LRCK 15
					IC11404	IC1404
		36 DI	12.288M	22	3	6
		38 CLK			5	2
		37 CE			7	1
			ERROR	34	IC1404
			DO 35
			AUTO	32	X3501

							AUDIO DSP
				14	IC1403		IC1401
						113	BCK0		SOA	2
					13
						114 BCK1			SOB	3
				12	IC1403
DOLBY					11	115	LRCK0		SOC	4
						116	LRCK1
DIGITAL AUDIO DECODER
IC1301				IC1403
	AU	24 6			7	117 SIA
	DATA0			IC1403
	AU	23 4				118 SIB
85 SDIA1				5
	DATA1		2		3
84 SDIA0	AU	22				119 SIC
	DATA2								CLKI 99
			IC1403			53
							ED16 – 31
						ı
83 SDBCK0					SRAM	69		CLKO 100
						76
					IC1402
82 SDWCK0						ı	EA0 – 15
						94
						74 XWE
8 XI						70 XOE
						25
					D0 – 7	ı
						31				5
									SOD
						39
								HRDY 13
						ı
	SO	83				45
						15 HA0

4 SDTI 3		5	7
		IC1506
S MUTE
	CDTI CCLK CS PD DFS
3	43 42 41 17 11
X1401
10MHz

15 14 16
DATA CLK LAT	DATA
	CLK
S S S	LAT

• SIGNAL PATH

: FM

: PHONO : CD

: DVD

		J299-1
VIDEO 3 INPUT	AUDIO	L
(DE845) MONITOR	J201	VIDEO SELECT
		IC201
VIDEO OUT		1 M OUT VCC 16	+5V
VIDEO IN		13 V1 IN
VIDEO 1		VEE 8	–5V

					XMODE	XSTATE	12.288MHz
					48	17	Q1204
							Q1203
DO TUNED STEREO	TMUTE	S DATA S CLK S LAT	A	B	S DATA S CLK S LAT		D1202

D1101	SCK SI CS	IC		XHDWR	XHDCS XRST	Q1202
	69 68 66	62		9	14 26		Q1507
							MUTE
				10	8
			IC1202				DRIVE
		– 7		11	IC1202	Q1201
		D0			9

	VIDEO OUT	15 V1 OUT
	VIDEO IN	9	V2 IN	SW1	14	77	VIDEO
VIDEO 2	J202						(SW1)
				SW2 10		76	VIDEO
							(SW2)
	VIDEO OUT	11 V2 OUT			4	75	VIDEO
				SW3			(SW3)
TV/SAT	VIDEO IN	3	TV	SW4	6	72	VIDEO
							(SW4)
DVD/LD	VIDEO IN	5	LD		D201	D202
	J203			SW5	2
			Y SWITCH
J253-1 Y			IC252
TV/SAT		3	TV	V1 0 15		Y
S-VIDEO IN				SW1 14
				SW2 10
	C

58 59 60 84	56 57 55	108 107	47 48 46	112 110 111	109	118	116 113 114 106		85	6	1	2	4	5	3 24 – 17		25	13 16 26		27 15
DATA STOPAUTO STEREO MUTETUNER	DATA CLOCK LATCH	INDIGA INDIGB	DATAEV CLKEV STBEV	DI CL CE	XMODE	XSTATE	AUTO DO ERROR	ANALOG/DIG	MUTES	SIGD	SCCLK	SI	CS	IC	SO	HD0 – HD7	HA0	XHDWR	XHDCS XRST	HRDY SOD

SYSTEM

CONTROLLER

IC1201 (1/2)

31 30 29 28 32 35

MUTE	CDTI CCLK CS PD 96kHZ
S

AC MUTE 82

PROTECT 66

RY HP 104 RY FRONT A 99 RY FRONT B 100 RY CENTER 101 RY WOOFER 103

RY REAR 102

DISP DATA 50 DISP CLK 52 DISP MR 49

SREQ 51

RESET 90

	AC MUTE
	PROTECTOR
	HP RY
	SP/A RY	C
	SP/B RY
	RY CENTER	(Page 13)
	RY WOOFER
	REAR SP RY
	U DATA
	U CLOCK
	U MREQ
D1201	U SREQ
	U REST
	RESET	D

J253-2	Y	5	LD	SW3	4		C
				SW4	6
DVD/LD							J252-2
		13 V1 I
				SW5	2		VIDEO 1
S-VIDEO IN				M 0	1	D204	S-VIDEO OUT
	C
			C SWITCH
	Y		IC251		15 D205
J252-1		3	TV	V1 0
VIDEO 1		5	LD	SW5	2
S-VIDEO IN	C	13 V1 I		SW1 14			Y J251
				SW2	10		MONITOR
				SW3	4		S-VIDEO OUT
				SW4	6
							C
				M 0	1

05

RY POWER 105 STOP 69 SOTO 10 SINO 9 MD2 87

XI XOMD0 89

93 92

X1201

16MHz

RY POWER

(Page 13)

STOP

SOT0

SIN1

MD2

MD0

11 11