Read Sony STR-DE825 / STR-V818 Service Manual online
STR-DE825/V818
— 9 —
— 10 —
3-2. BLOCK DIAGRAM – MAIN SECTION –
• Abbreviation
CND :Canadian
EA
EA
:Saudi Arabia
MY
:Malaysia
SP
:Singapore
CH
:Chinese
AUS
:Australian
L
60
D
ATA
FM
AM
FM
75
Ω
AM
DO
TUNED
TMUTE
STEREO
D
ATA
CLK
CE
L OUT
R OUT
TUNER UNIT
DO
TUNED
TMUTE
STEREO
S
D
ATA
S CLK
S LA
T
R CH
R CH
: FM
: CD
• Signal Path
• RCH is omitted
PHONO
L
CD
J301
L
INPUT
L
OUTPUT
J302
J001
MD/DAT
M OUT
1
J201
MONITOR
J202
J203
TV/LD
DVD
VIDEO 2
VIDEO 1
V1 IN
13
V1 OUT
15
V2 IN
9
V2 OUT
11
TV
3
LD
5
8
VEE
16
VCC
14
SW1
10
SW2
4
SW3
6
SW4
3
2
VIDEO SELECT
IC201
-5V
REG
IC202
-15V
+5V
3
2
1
7
5
10
4
8
11
CONTROL
CE
13
CLK
15
DI
14
AUDIO SELECT
IC301
MUTE
Q302
S LA
T
S CLK
S
D
ATA
3
1
EQ AMP
IC302
MUTE
Q304
IC407
MUTE
Q354
RY301
RELAY
DRIVE
DRIVE
Q301
IC408
RV401
VOLUME
RV402
BALANCE
L
C
W
SL
M
UP
DOWN
V-A
81
SYSTEM
CONTROL
IC1201
V-B
82
V-E
83
V INH
80
16
61
A
U
T
O
ST
OP
62
STEREO
97
TUNER MUTE
S
D
ATA
S CLK
S LA
T
DO
TUNED
STEREO
TMUTE
57
D
ATA
58
CLOCK
56
LA
TCH
D
: PHONO
J299
VIDEO
L
AUDIO
VIDEO 3
V3 IN
7
1
2
7
9
4
11
CONTROL
CE
13
CLK
15
DI
14
SELECTOR
IC303
S LA
T
S CLK
S
D
ATA
6
8
L
TAPE
INPUT
L
OUTPUT
Y
V1 O
3
VIDEO 1
INPUT
5
TV
15
1
LD
M O
Y SWITCH
IC252
C
Y
J252
VIDEO 1
OUTPUT
Y
C
C
C SWITCH
IC251
C
Y
J251
MONITOR
OUTPUT
TV/LD
J253
J252
J303
V1 O
3
13
TV
15
1
V1 I
M O
13 V1 I
C
Y
DVD
5
LD
L
TV/DBS
L
J305
VIDEO2
INPUT
INPUT
L
OUTPUT
L
VIDEO1
OUTPUT
L
INPUT
J304
TM301
ANTENNA
4 14 15 13
2
3
1
10
12
6
9
L
INPUT
DVD/LD
10
IR LINK
DET
IC001
DVD/LD
IR LINK
DET
IC002
TV/DBS
IR LINK
DET
IC003
MD/DAT
IR LINK
DET
IC004
MD/DAT
(INPUT)
(OUTPUT)
DVD/LD
COAXIAL
IC007
14
SW1
10
SW2
4
SW3
6
SW4
14
SW1
10
SW2
4
SW3
6
SW4
INPUT
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
DVD/LD
TV/DBS
INPUT
CH, SP, MY MODEL
DE825
MODEL
V818
MODEL
15
14
13
12
4
3
2
1
SELECT
SWITCH
SWITCH
IC1005
5
B
C
A 11
10
9
B
C
A
IC1006
76
SWDT
111
A
110
B
109
C
A
B
C
78
SCLK
77
XLA
T
2
RESET
75
SRDT
DIGITAL AUDIO
I/F RECEIVER
IC1101
D IN
47
RESET
11
SWDT
40
SCLK
42
XLAT
41
XO
27
XI
26
X1101
24.576MHz
35
D OUT
29
CLK
34
BCK
36
LRCK
30
ERROR
38
SRDT
X1301
49.152MHz
IC1102
IC1102
IC1305
IC1305
IC1305
13
10
CLOCK
DIVIDE
DIVIDE
IC1403
IC1305
IC1102
IC1108
MEMORY
IC1302
A0-7
D0-7
LATCH
IC1303
IC1304
IC1304
A8-15
D0-7
EMRD
5
EXTMEM
21
CLK
30
SDATA1
22
SDATA2
27
MCLK
44
SCK
43
SCLK1
25
SCLK2
28
RCLK
42
LRCLK1
26
LRCLK2
29
DOLBY
DIGITAL AUDIO DECODER
IC1301
41
AUDATA0
40
AUDATA1
39
AUDATA2
D0-7
SCCLK
7
16
SCCLK
SCD IN
6
CS
18
RESET
36
15
SCDOUT
17
CS
20
RESET
20
INTREQ
19
SCDOUT
19
INTREQ
18
SCDIN
Q1204
Q1205
IC1202
67
D1201
14
ANALOG/DIG
ERR
OR
A0-7
D0-7
SRAM
IC1402
SIA
117
SIB
118
SIC
119
XWE
74
XOE
70
25 32
16
20
23
25
.
HD0
HD7
D0-7
AD0 AD7
21
XHD
WR
35
HA0
AUDIO DSP
IC1401
HA0
15
XHD
WR
9
XHDRD
10
XHDCS
14
XRST
26
22
XHDRD
24
XHDCS
23
HRD
Y
36
XRST
13
HRDY
5
SOD
37
SOD
6
CDT
O
IC1202
IC1202
Q1206
Q1207
5
CDTI
4
CCLK
3
CS
7
PD
108
R
Y
DIRECT P
ASS
2
SOA
CLK1
99
LRCK
115
BCK0
113
3
SOB
4
SOC
27
L OUT1
LIN-
29
AUDIO CODEC
IC1103
CDT
O
44
CDTI
43
CCLK
42
CS
41
PD
17
SDTO
9
MCLK1
39
BCLK
4
LRCK
5
SDTI 1
6
SDTI 2
7
SDTI 3
8
LIN+
30
IC304
IC1104
IC1104
23
L OUT3
IN
14
DATA
9
CLK
8
LAT
10
15
OUT
DATA
CLK
LAT
IC414
IN
3
DATA
9
CLK
8
LAT
10
2
OUT
DATA
CLK
LAT
IN
14
15
OUT
IC407
IC410
IC410
IN
14
DATA
9
CLK
8
LAT
10
15
OUT
DATA
CLK
LAT
IC406
MUTE
Q303
IC409
IC405
24
R OUT3
25
L OUT2
IC1104
IC1105
IC1105
IC1106
VOL CONT
IC416
VOL CONT
IC415
VOL CONT
LED
DRIVE
Q120
LED VOL
MUTE
CONT
Q1201
85
FUN MUTE
Q1202
Q1203
U DATA
52
DISP DATA
55
DISP CLK
51
DISP MR
53
SREQ
10
SOTO
9
SINO
87
MD2
89
MD0
90
RESET
U CLOCK
U MREQ
U SREQ
SOTO
SINO
MD2
MD0
U REST
B
A
107
RY POWER
RY POWER
48
EV STB
50
EV CLK
49
EV D
A
T
A
LA
T
CLK
D
ATA
84
A
C
MUTE
79
PR
O
TET
OR
106
R
Y
HP
101
R
Y
FR
ONT A
102
R
Y
FR
ONT B
103
R
Y
CENTER
105
R
Y
W
OOFER
104
R
Y
REAR
AC MUTE
PROTECTOR
RY HP
RY FRONT A
RY FRONT B
RY CENTER
RY WOOFER
RY REAR
C
92
XO
93
XI
X1201
4MHz
64
STOP
STOP
: DIGITAL
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