Block Diagrams; Main Section - Sony STR-DE875 Service Manual

STR-DE875/DE975
3-2. BLOCK DIAGRAMS – MAIN SECTION –
TUNER UNIT
L OUT
FM FM
R OUT R-CH
ANTENNA
DO
AM AM
DATA
CLOCK
CE
STEREO
TUNED
MUTING
DE875:AEP,UK
FM IFOUT
IC1201
2
DET OUT 4
RDS
16
14 13
X1201
4.33MHz
DE975
IC252
ON-SCREEN DISPLAY
CONTROLLER
9 XS
SIN 23
X251
14.31818MHz
8 EXS
SCLK 22
16 XD
L251 CS 2
IC253
15
EXD
VIDEO DRIVER
7 VOUT VIN 3 25 VOUT VIN 3
8 YOUT YIN 2 27 YOUT YIN 1
6 COUT CIN 1 26 COUT CIN 2
DE975
IC251
J140(2/2) VIDEO SWITCH
VIDEO IN 7 V3
VIDEO 3
J251
MONITOR VIDEO OUT 1 M.OUT
SW1 14
J252
TV/SAT VIDEO IN 3 TV
SW2 10
DVD/LD 5 LD
VIDEO IN
VIDEO OUT 11 V2.OUT SW3
4
VIDEO 2 J253
9 V2.IN
VIDEO IN
SW4 6
15 V1.OUT
VIDEO OUT
SW5 2
VIDEO 1
13 V1.IN
VIDEO IN
IC201
Y SWITCH
Y
3 TV V1.OUT 15
TV/SAT S VIDEO IN SW1 14
C
SW2 10
J202 Y
SW3 4
5 LD
SW4
6
DVD/LD S VIDEO IN
SW5 2
C
Y
13 V1.IN M.OUT 1
J203(1/2)
VIDEO 1 S VIDEO IN
IC202
C
C SWITCH
3 TV V1.OUT 15
SW1 14
SW2 10
5 LD SW3 4
SW4 6
SW5 2
13 V1.IN M.OUT 1
J204
CTRL A1 II
DE975/DE875:US,CND
IC203
REMOTE CONTROL I/F
J205
11 O2-1 O3-1 6
VIDEO 1 CTRL S OUT
10 O2-2 O3-2 7
J206
IN3
CTRL S OUT 13 IN1
DVD/LD
OUT1
J207
Q201,202
BUFFER
TV/SAT
CTRL S STATUS IN
C SIRCS OUT
J208
MONITOR CTRL S IN
IC1101(1/3)
DE975
SYSTEM CONTROLLER
J140(1/2)
28 TUNER_DO
VIDEO 3 AUDIO IN
30 T.DATA
29 TUNER_SERIAL.CLK
J761
31
T.LAT
2ND ROOM OUT
23 STEREO
24 TUNER_AUTO_STOP
2ND_RY
25 TUNER_MUTE
J301
139 RDS_SIGNAL
PHONO IN
32 RDS DATA
61 RDS CLK
CD/SACD IN
J302
OUT
MD/DAT
IN
DE975
+5V
IC1141 J303
2
106 OSD DATA
3
OUT
1
TAPE
12
11 105 OSD CLK
IN
13
2ND_LAT
9
107 J304
8 OSD LAT
10
TV/SAT AUDIO IN
DVD/LD AUDIO IN
J305
Q204 Q203
CRAMP CRAMP
AUDIO OUT
VIDEO 2
AUDIO IN
J306
AUDIO OUT
VIDEO 1
AUDIO IN
+5V
IC1171
4
6 33 V.SW1
5 J307
FRONT
1
34
3 V.SW2
2
SURROUND
MULTI
CH IN
13
11 35 V.SW3 SUB WOOFER
12
CENTER
10
8 36 V.SW4
9
J1301
DVD/LD
COAXIAL
IN
IC1351
DVD/LD OPTICAL
IN INPUT
Y IC1352
J203(2/2)
DIGITAL OPTICAL
TV/SAT
VIDEO 1
INPUT
IN
S VIDEO OUT
OPTICAL
C IC1353
MD/DAT OPTICAL
IN INPUT
IC1354
MD/DAT OPTICAL
OUT OUTPUT
Y
J201
MONITOR
S VIDEO OUT
C
IC1306 IC1305
1 7 6 2
1 DIVIDER 5
3
5
X1301
24.576MHz
Q1102
87 A1 OUT
BUFFER
86 A1 IN
1
65 MBUS_VIDEO
64 MBUS_DVD
Q1101
4 51 MBUS_STATUS_OUT
BUFFER
2
63 MBUS_TV
IC761
1 3
RY761
Q781
RELAY
DRIVER
IC301
EQ AMP
3 1
2ND_DATA
D
2ND_CLK
2ND_LAT
IC1301
DIGITAL AUDIO
IC1401
I/F RECEIVER
IC1303 ADC
IC1402
3 1
3 5 6 2
5 DIN2 1 LIN
DOUT 15
14 BCK
IC1302
13 LRCK
IC1501
XMCK 20 16 SYSCLK
5 7 3 DIN0
SELECTOR AUDIO DSP1
6 6 RSTB
22 KFSI0
14
29
BCK 14 BCKI2 BCKO1
4 DIN1
LRCK 15 28 LRCKI2 LRCKO
IC1304 15 LRCKI1
CK OUT 13
2 17 BCKI1
5
1
6
18 SDI1
DATAO 16 30 SDI2
2 DOUT
12.288MHz
22 XIN
AUDIO 24 69 GP8
68 GP9
35 DO
35
36 DI HD OUT
38 33 HD IN
CLK
34 HCLK
37 CE
MCLK1
36 HCS
32 HACN
MCLK2
34 17 48 47
113 56 2
2 42 70 69 46 67 71 73 43 45 72 88 115 80 47 82 83 85 81 84 48
10 10
IC302
SELECTOR
10 TUNER
4 TUNER
12 2ND
11 CD
3
CD
9 MD/DAT
OUTPUT 2
5 MD/DAT
8 TAPE
6
TAPE
7 VISUAL
15 DATA
14 CLK
16 LAT
IC1551 IC1451
AUDIO DSP2 DAC
62 KFSI0 SCK OUT 10 38 SCKI
38 40
20 BCKI1 BCKO 64 BCK
19 29 LRCKI1 LRCKO 63 41 LRCK
GP0 132
GP10 67
VOUT1 14
GP7 111
VOUT3 12
SDO1 23 27 SDI1 SDO1 60 45 DATA1
SDO2 24 28 SDI2 SDO2 61 46 DATA2
VOUT5 10
SDO3 25 35 SDO3 25 47 DATA3
SDI3
SDO4 26 39 SDI4
VOUT6 9
IC1502 IC1552
131 GP1
120 GP3
SRAM SRAM
82
HD OUT
74 HD IN
75 HCLK
9 MCLK1 144
76 HCS
X1501 X1551
13.59MHz 83 HACN 13.5MHz
12 MCLK2 139
33 34 35 36 37
7 59 140 141 8 16 136
49 104 103 102 79 78 76 75 74 108 50 93 92 91 90 89
IC1101(2/3)
SYSTEM CONTROLLER
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD/SACD
: DVD/LD (DIGITAL)
IC303
ANALOG SOUND
PROCESSOR
71 L IN7
2
L IN9
L OUT 51 L
4 L REC4
Q401
MUTING
70
L IN6
67 L REC3
68 L IN4
64 L IN3
66 L REC2 SL OUT 47 SL SL
Q501
63 L IN2
MUTING
61 L REC1
A
62 L IN1
11 AL IN
13 ASL IN C OUT 39 C
Q601
16 ASW IN
MUTING
15 AC IN
10
AL OUT
SW OUT 35 SW
Q651
MUTING
(ANALOG)
IC1403
6 7
27 DL IN
IC1404
6 7
29 DSL IN
IC1405(1/2)
6 7
31
DC IN
IC1405(2/2)
2 1
32 DSW IN
20 DATA
21 CLOCK
22 LATCH
Q1103,1104 Q771
MUTING MUTING
CONT SWITCH
Q1105
SWITCH
+3.3V
116 117 118 121 120
CNP503
MD0
MD0 54
VDD
MD1 53
FLASH
MD2
MD2 52
PROGRAMMING
FLASH 1
SOT1 109
FLASH 2
SIN1
110
RESET
B