Block Diagram - Main Section - Sony STR-DE925 Service Manual

STR-DE925/V919
3-2. BLOCK DIAGRAM – MAIN SECTION –
TM301
TUNER UNIT
ANTENNA
FM
L OUT
FM 10
75Ω
AM R OUT 12 R CH R CH
AM
4 14 15 13 2 3 1
J301 EQ AMP
IC302
3 1
PHONO L
CD L
J302
INPUT L
MD/DAT
OUTPUT L
J303
INPUT L
TAPE
OUTPUT L
IC001
IR LINK
DVD/LD 15
DET
14
IC002
SELECT
13
IR LINK SWITCH
TV/DBS 12
DET
IC1005
4
IC003
3 A 11
MD/DAT
IR LINK
2 B
DET
(INPUT)
1 C
IC004
MD/DAT
IR LINK
DET
(OUTPUT)
J001
IC007
COAXIAL
DVD/LD
J299
AUDIO L
VIDEO 3
VIDEO SELECT
VIDEO
IC201
J201 7 V3 IN
VCC 16
MONITOR OUTPUT 1
M OUT IC202
-5V
INPUT 13 V1 IN VEE 8 3 REG
VIDEO 1
OUTPUT 15 V1 OUT
J202
INPUT 9 V2 IN
VIDEO 2
OUTPUT 11
V2 OUT
SW1 14
V919
DE925
MODEL MODEL J203
SW2 10
TV/DBS TV/LD INPUT 3 TV
SW3
4
DVD/LD DVD INPUT 5 LD
SW4 6
S-VIDEO
CH, SP, MY MODEL
Y SWITCH
IC252
3 TV V1 O 15
Y
TV/LD SW1 14
SW2 10
C
SW3 4
J253
SW4 6
5 LD
Y
13 V1 I
DVD
M O 1
C
C SWITCH
IC251
J252 Y 3 TV V1 O 15
VIDEO 1
5 LD
INPUT SW1 14
C SW2 10
13
V1 I
SW3 4
SW4 6
M O 1
16
AUDIO SELECT
IC301
SELECTOR
J305
3 4
TV/DBS INPUT L 1
2
DVD/LD INPUT L 2
1
OUTPUT L 6
7 8 VIDEO2 J304
6
INPUT L 7
5
OUTPUT L 9
10 11
VIDEO1
9
INPUT L 10
CONTROL
14 15 13
DIGITAL AUDIO
I/F RECEIVER
IC1101
D OUT 35
CLK
29
IC1006
BCK 34
5 47 D IN
27
XO
LRCK 36
X1101
24.576MHz
A
26 XI
B
10
C
9
40 SWDT
42 SCLK
ERROR 30
41 XLAT
11 RESET SRDT 38
+5V
2 -15V
60 61 62 97 57 58 56 111110109 76 78 77 2 75
81 V-A
82 V-B
83 V-E
80 V INH
Y J252
VIDEO 1
OUTPUT
C
Y J251
MONITOR
OUTPUT
C
— 9 —
IC303
4
8
11
CONTROL
14 15 13
DOLBY
DIGITAL AUDIO DECODER
IC1301
IC1108
IC1102
AUDATA0 41
22 SDATA1
AUDATA1 40
27 SDATA2
AUDATA2 39
IC1305
44
MCLK
IC1102
43 SCK
25 SCLK1
28 SCLK2
IC1102
42 RCLK
IC1403
26 LRCLK1
X1301
IC1305
49.152MHz 29 LRCLK2
CLOCK
13 10
DIVIDE
IC1305 IC1305
30 CLK
A0-7
D0-7
LATCH
MEMORY
D0-7 IC1302 IC1303
IC1304
A8-15
5 EMRD
SCDOUT 19
21 EXTMEM
INTREQ 20
7 6 18 36
Q1203
67 14 16 15 17 20 19 18
SYSTEM
CONTROL
IC1201
AUDIO CODEC
RY301 IC405
IC1103
IC304 IC1104 IC1104 IC1104
30 LIN+ L OUT1 27
MUTE
Q302
29 LIN-
IC1105 IC407
L OUT3 23
9 SDTO
MUTE
39 MCLK1 Q304
4 BCLK IC1105 IC407
5 LRCK R OUT3 24
MUTE
AUDIO DSP
Q354
IC1401
113 BCK0 SOA 2 6 SDTI 1
115 LRCK SOB 3 7 SDTI 2
99 CLK1 SOC 4 8 SDTI 3
IC406
IC1106
L OUT2
25
MUTE
117 SIA
Q303
118 SIB 44 43 42 41 17
119 SIC
D0-7
SRAM
IC1402
A0-7
74 XWE
70 XOE
16
20 HD0
.
D0-7
23 HD7
25
15 SOD
HA0 5 Q301
HRDY 13
RELAY
DRIVE
9 10 14 26
Q1201
MUTE
CONT
Q1202
25 32 35 21 22 24 36 23 37 6 5 4 3 7 108 85 49 50 48 84 79 106101102 103105104
AD0 AD7
XI XO
93 92
X1201
4MHz
— 10 —
VOLUME
RV401
VOL CONT
IC414
IC408
14 IN OUT 15 L
BALANCE
DATA
RV402 9 DATA
CLK
8 CLK
LAT
10 LAT
VOL CONT
IC416
IC410
3 IN OUT 2 C
A
IC410
14 IN OUT 15 W
DATA
9
DATA
CLK
8 CLK
LAT
10 LAT
VOL CONT
IC415
IC409
14 IN OUT 15 SL
DATA
9 DATA
CLK
8 CLK
LAT
10 LAT
UP
M
DOWN
B
Q120
LED
LED VOL
DRIVE
AC MUTE
PROTECTOR
RY HP
RY FRONT A
C
RY FRONT B
RY CENTER
RY WOOFER
RY REAR
DISP DATA 52
U DATA
DISP CLK 55 U CLOCK
DISP MR 51 U MREQ
SREQ 53 U SREQ
RESET 90 U REST
D
RY POWER 107 RY POWER
STOP 64 STOP
SOTO 10 SOTO
SINO 9 SINO
87
MD2 MD2
MD0 89 MD0
• RCH is omitted
• Signal Path
: FM
: PHONO
: CD
: DIGITAL
• Abbreviation
CND :Canadian
EA :Saudi Arabia
MY :Malaysia
SP :Singapore
CH :Chinese