Sony Str De825 V818 Manual

							STR-DE825/V818
US Model
Canadian Model
E Model
Australian Model
STR-DE825
Chinese Model
STR-V818
SERVICE MANUAL
MICROFILM
Ñ Continued on next page Ñ
SPECIFICATIONS
Dolby Laboratories Licensing Corporation.
ÒDOLBYÓ the double-D symbol a ÒAC-3Ó and ÒPRO LOGICÓ
are trademarks of Dolby Laboratories Licensing Corporation.
FM STEREO FM-AM RECORDER
Photo : STR-DE825
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated
100 watts per channel minimum RMS power, with no more than
0.09% total harmonic distortion from 250 milliwatts to rated output
(USA model only).
Amplifier sectionPOWER OUTPUT
Stereo mode(8 ohms 20 Hz - 20 kHz, THD 0.09%)
100 W + 100 W
Surround mode(8 ohms at 1 kHz, THD 0.8%)
Front: 100 W/ch
Center
a): 100 W
Reara): 100 W/ch
a) Depending on the sound field settings and the source, there may be no
sound output.
Dynamic power output155 W + 155 W, 8 ohms
220 W + 220 W, 4 ohms
Harmonic distortion at rated outputLess than 0.09% (with sound field, tone, and bass
booster bypassed)
Frequency responsePHONO: RIAA
equalization curve
±0.5 dB
CD, TAPE, MD/DAT, TAPE/MD, DVD/LD, TV/DBS,
VIDEO 1 and VIDEO 2 :
10 Hz - 50 kHz +0.5/-2 dB (with sound field, tone,
and bass booster bypassed)
Inputs (Analog)PHONO:
Sensitivity: 2.5 mV
Impedance: 50 kilohms
S/N
b): 75 dB (A, 2.5 mVc))
CD, DVD/LD, TAPE, MD/DAT, TAPE/MD, TV/DBS,
VIDEO 1 and VIDEO 2 :
Sensitivity: 150 mV
Impedance: 50 kilohms
S/N
b): 82 dB (A, 150 mVc))
b) 78Õ IHF
c) Weighted network, input level
Inputs (Digital)DVD/LD (coaxial):
Sensitivity: -
Impedance: 75 ohms
S/N: 100 dB (A, 20 kHz LPF)
DVD/LD, TV/DBS, MD/DAT (Optical):
Sensitivity: -
Impedance: -
S/N: 100 dB (A, 20 kHz LPF)
OutputsTAPE, MD/DAT, TAPE/MD, (REC OUT); VIDEO 1, 2
(AUDIO OUT):
Voltage: 150 mV
Impedance: 10 kilohms
WOOFER:
Voltage: 2 V
Impedance: 1 kilohms
PHONES:
Accepts low - and high-impedance headphones 
						

							STR-DE825/V818
Ñ 9 ÑÑ 10 Ñ
3-2. BLOCK DIAGRAM Ð MAIN SECTION Ð
¥ Abbreviation
CND :Canadian
EA :Saudi Arabia
MY :Malaysia
SP :Singapore
CH :Chinese
AUS :Australian
L
60
D ATA
FM
AM FM
75½
AM
DO
TUNED
TMUTE STEREO
D ATA
CLK
CE
L OUT
R OUTTUNER UNIT
DO
TUNED
TMUTE STEREO
S  D ATA
S CLK
S LAT
R CH R CH
: FM
: CD 
• Signal Path • RCH is omitted
PHONO
LCD
J301
LINPUT
LOUTPUT
J302
J001 MD/DAT
M OUT1J201
MONITOR
J202
J203
TV/LD
DV D
VIDEO 2
VIDEO 1V1 IN13
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
32 VIDEO SELECT
IC201
-5V
REG IC202-15V+5V
3
2
1
7
5
10
4
8
11
CONTROL
CE13CLK15DI14
AUDIO SELECT
IC301
MUTE
Q302
S LAT S CLK S  D ATA
31 EQ AMP
IC302MUTE
Q304
IC407
MUTE
Q354
RY301
RELAY
DRIVE
Q301
IC408RV401 VOLUME
RV402 BALANCE
L
C
W
SL
MUP
DOWN
V- A
81
SYSTEM
CONTROL
IC1201     
V- B82
V- E
83
V INH
80
16
61
AUTO STOP
62
STEREO
97
TUNER MUTE
S  D ATA
S CLK
S LATDO
TUNED
STEREO
TMUTE
57
D ATA
58
CLOCK
56
LATCH
D
: PHONO
J299
VIDEOLAUDIOVIDEO 3
V3 IN7
1
2
7
9
4
11
CONTROL
CE13CLK15DI14
SELECTOR
IC303
S LAT S CLK
S  D ATA
6
8
LTAPEINPUT
LOUTPUT
Y V1 O3
VIDEO 1
INPUT
5TV
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 O3
13TV
15
1 V1 I
M O
13
V1 I
C Y
DV D
5
LD
LTV/DBS
L
J305
VIDEO2INPUT
INPUT
LOUTPUT
LVIDEO1OUTPUT
LINPUT
J304 TM301
ANTENNA4141513231
10
12
6
9
LINPUT
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
COAXIALIC007
14 SW110 SW24 SW36 SW4
14 SW110 SW24 SW36 SW4
INPUT
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
DVD/LD
TV/DBS
INPUT
CH, SP, MY MODEL DE825
     MODEL     V818
MODEL
151413124321SELECT
SWITCH
IC1005
5
B
CA
11109B
CA
IC1006
76
SWDT
111A110B109C
A
B
C
78
SCLK
77
XLAT
2
RESET
75
SRDT
DIGITAL AUDIO
I/F RECEIVER
IC1101
D IN
47
RESET
11SWDT
40
SCLK42
XLAT41XO
27
XI
26X1101
24.576MHz
35 D OUT
29 CLK
34 BCK
36 LRCK
30 ERROR
38 SRDT
X1301
49.152MHzIC1102
IC1102
IC1305 IC1305IC13051310 CLOCK
DIVIDEIC1403
IC1305
IC1102 IC1108
MEMORY
IC1302A0-7
D0-7LATCH
IC1303
IC1304
A8-15
D0-7
EMRD5
EXTMEM21CLK
30S D ATA 1
22
S D ATA 227
MCLK44
SCK
43
SCLK125
SCLK228
RCLK42
LRCLK126
LRCLK229
DOLBY
DIGITAL AUDIO DECODER
IC1301
41 A U D ATA 040 A U D ATA 139 A U D ATA 2
D0-7
SCCLK7
16
SCCLK
SCD IN
6CS18RESET36
15
SCDOUT
17CS20
RESET
20 INTREQ19 SCDOUT
19
INTREQ
18
SCDINQ1204
Q1205 IC1202
67D120114
ANALOG/DIG
ERROR
A0-7 D0-7
SRAM
IC1402
SIA117
SIB118
SIC119
XWE
74
XOE70
25 32
16
20
23
25.HD0
HD7D0-7
AD0 AD721
XHDWR
35
HA0
AUDIO DSP
IC1401
HA015
XHDWR9XHDRD10XHDCS14XRST26
22
XHDRD
24
XHDCS
23
HRDY
36
XRST
13 HRDY5 SOD
37
SOD
6
CDTO
IC1202
IC1202Q1206
Q1207
5
CDTI
4
CCLK
3CS7PD108
RY DIRECT PASS
2 SOA
CLK1
99LRCK115BCK01133 SOB4 SOC
27 L OUT1
LIN-
29AUDIO CODEC
IC1103
CDTO44CDTI43CCLK42CS41PD17 SDTO
9
MCLK1
39
BCLK4
LRCK5
SDTI 1
6
SDTI 27
SDTI 38LIN+
30IC304 IC1104 IC1104
23 L OUT3
IN14
D ATA9
CLK8
LAT10
15 OUTD ATA
CLK
LAT
IC414
IN3
D ATA
9
CLK8
LAT10
2 OUT
D ATA
CLK
LATIN1415 OUT
IC407IC410
IC410
IN14
D ATA9
CLK8
LAT10
15 OUTD ATA
CLK
LAT
IC406
MUTE
Q303
IC409
IC405
24 R OUT3
25 L OUT2
IC1104
IC1105
IC1105
IC1106
VOL CONT
IC416VOL CONT
IC415VOL CONT
LED
DRIVE
Q120
LED VOL
MUTE
CONTQ1201
85
FUN MUTE
Q1202
Q1203
U  D ATA
52
DISP DATA55
DISP CLK51 DISP MR53 SREQ
10
SOTO9
SINO87
MD289
MD0
90 RESETU 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 DATA
LAT CLK D ATA
84
AC MUTE
79
PROTETOR
106
RY HP
101
RY FRONT A
102
RY FRONT B
103
RY CENTER
105
RY WOOFER
104
RY REAR
AC MUTE
PROTECTOR
RY HP
RY FRONT A
RY FRONT B
RY CENTER
RY WOOFER
RY REAR
C
92 XO93 XI
X1201
4MHz
64 STOP
STOP
: DIGITAL 
						

							STR-DE825/V818
Ñ 11 ÑÑ 12 Ñ
3-3. BLOCK DIAGRAM Ð POWER SECTION Ð
RELAY
DRIVE
Q601LIMITER
Q504
14
5
15
6
1
2
3 VEE VCC
IN
MUT+VE
NF
-VE
13 VCCPOWER AMP(L)
IC501
L+B
-B
LIMITER
Q505
BOOSTER
Q506
BOOSTER
Q507CUR DET
Q508PROTECTOR
Q509,510Q511
LIMITER
Q604
9
1512
11 VEE
IN+VE
NF
-VE
13 VCC POWER AMP(C/W)
IC601
C+B
-B
LIMITER
Q605
BOOSTER
Q606
BOOSTER
Q607CUR DET
Q608PROTECTOR
Q609,610Q611
LIMITER
Q704
MUTE
Q501,503
14
5
15
6
1
2
3 VEE VCC
IN
MUT+VE
NF
-VE
13 VCCPOWER AMP(SL)
IC701
SL+B
-B
LIMITER
Q705
BOOSTER
Q706
BOOSTER
Q707CUR DET
Q708
8
RY602
RELAY
DRIVE
Q546RY501
RELAY
DRIVE
Q596RY502
RELAY
DRIVE
Q645RY601
RELAY
DRIVE
Q749RY701
RELAY
DRIVE
Q544RY503
RELAY
DRIVE
Q901RY901
J501
C
S(L)
S(R)
R CH
R CH
WIRELESS
REAR
SPEAKERCNJ701
SURROUND
SPEAKER
WOOFER
J701
PHONES
TM701 FRONT
SPEAKER
TM501
R CHR CH
POWER
CONT
IC90158
3
6
DELAY
+B SW
Q902
SWITCH
Q747,748
D801
SWITCH
Q614,618
INV SW
Q617SWITCH
Q613,616SWITCH
Q612,615
PROTECTOR
Q547-549
F2
F1
+5.6VF801
F802
D802-805 +B
-B
IMPEDANCE
SELECTOR8
4 S501
F901
D901-904CNJ901
CNP901
AC IN
L
R
:FM
:CD
D
• Signal Path • RCH is omitted
IN
W6
14 VCC
2 +VE3 -VE
1 +18V
REG IC7023
F803
F804
1 +3.3V
REG3
3 +5V
REG1IC809+24V
-24V
1 5V
REG3
IC809
IC801
IC802
CNJ901T902MODE CONTROL
IC102 STOP
A
AC MUTE
PROTECTOR
REMOTO
CONTROL
RECEIVERIC101
26 SIRCSQ101
RESET
Q10577 RESET
POWERS131
POWER KEY74
F2
F1
16
JW925
MY,SP,AUS
   MODEL MY,SP,AUS,CH
         MODEL
US,CND
 MODEL
47 STOP
I/R
CONT
IC181
I/O
BUFFERQ182RESET
Q18111
14
12
5
332
LAT98
1516
X102
7.28MHzI/R
DET
IC180
LED
DRIVEQ183,184
D184-186
URESET
TV/DBS
MONITOR
VIDEO 1
VIDEO 2S-LINKJ204
J256 J255J257 J258
LEVEL
CONTROLQ257,258
BUFFERQ253
114
LEVEL
CONTROLQ255,256
LEVEL
CONTROLQ254
3
2
5
67 1
IC254 SWITCH Q251,252
ST-I/O
IC251
US,CND, AUS MODEL
1 MUT
D1202
D1203
2 -15V
REG IC4023
3 +15V
REG IC4011
1 +12V
REG IC4033
3 +5V
REG IC4041
-15V +15V TU +12VTU +5V
+32V 
REG
+32VQ801
D808F805
1 +3.3V
REG3IC803
D5V
D3.3V
D3.3VT901
F903
US,CND,CH 
    MODEL
91
LED ON/OFF
DOUT3 RY HP
RY FRONT A
FRONT B
RY CENTER
RY WOOFER
RY REAR
58 URESET
B
ABUS A1 IN63
I/O
BUFFERQ180
ABUS OUT67
FLOURESCENT
INDICATOR TUBEFL101
29 DIN
26
LAT
34
CLK
24
CLR
4LS29
CLK
5CL30
DIN FL DAT
24FL CLK21FL LAT24FL CLEAR25
SPEAKER
SWITCHFUNCTION
KEY
SP B73SP A72AD KEY644
MUTINGS102
6FUNCTION
KEY
AD KEY138
S106,110,114,118
S122,126,128,130
FUNCTION
KEY
AD KEY239
S105,109,113,117
S121,125,127,129
FUNCTION
KEY
AD KEY340
S104,108,112
S116,120,124
FUNCTION
KEY
AD KEY441
S103,107,111
S115,119,122
FUNCTION
KEY
AD KEY543
S140-145,147S132,133
S135-139,146S134
49
MD0
87
LED BASS B
89
LED SOUND FIELD
92
LED DOLBY DIGITAL
LED
DRIVE
D100,108
D119,122
Q107,108
Q119,122
14
LED SUR
15
LED EQ
16
LED INDEX
LED
DRIVE
D104-106
Q103,104
Q106
90
LED MUTE
LED
DRIVE
D101
Q102
5
LED TV/DBS
4
LED DVD/LD
3
LED V3
LED
DRIVE
D111-113
D116-118
Q111-113
Q118-116
8
LED CD
9
LED TUNER
10
LED PHONO
7
LED MD/DAT
6
LED TAPE
LED
DRIVE
D114,115
Q114,115
2
LED V2
1
LED V1
LED
DRIVE
D109,110
Q109,110
VIDEO 294VIDEO 193M BUS96TV95
IC254 IC254UP
55
DOWN
56
LED VOL
88
8
7
3
2 MOTOR
DRIVE
IC251 IC106
UP
DOWN
LED VOL
B
51
MD2
20
SINO
19
SOTO
61
U D ATA
62
UCLOCK
60
UMREQ
59
USEQ
USREQ
UMREQ
UCLOCK
U D ATA
SOTO
SINO
MD2
MD0
82XO83XI
X101
IC105 IC104FL DRIVE FL DRIVE RY POWER
¥ Abbreviation
CND :Canadian
MY :Malaysia
SP :Singapore
CH :Chinese
AUS :Australian 
						

							STR-DE825/V818
Ñ 15 ÑÑ 16 Ñ
3-5. SCHEMATIC DIAGRAM Ñ AMP SECTION Ñ 
						

							STR-DE825/V818
Ñ 19 ÑÑ 20 Ñ
3-7. SCHEMATIC DIAGRAM Ñ VIDEO SECTION Ñ¥ See pages 60 for IC Block Diagrams. 
						

							STR-DE825/V818
Ñ 23 Ñ
Ñ 24 Ñ
3-9. SCHEMATIC DIAGRAM Ñ AUDIO SECTION Ñ 
						

							STR-DE825/V818
Ñ 27 ÑÑ 28 Ñ
3-11. SCHEMATIC DIAGRAM Ñ INPUT SECTION Ñ¥ See page 60 for IC Block Diagrams. 
						

							STR-DE825/V818
1-670-009-11
(11)
1-670-007-11
(11)
1-670-014-
11
(11)
1-670-008-
11
(11)
1-670-010-11
(11)
DISPLAY BOARD
SW BOARD
SP SW BOARDLED BOARD
L.B
BOARD
12(MULTI CHANNEL DECODING)
14 14
SHIFT
MUTING
TAPE/MDCDTUNERPHONO
INPUT
MODE
CURSOR MODE
SET UP
MEMORY
DISPLAY (INDEX) (EQUALIZER) (SURROUND)
(SOUND FIELD)
(EQ)
(BASS BOOST)
FM/AMFM MODESLEEP
TUNING PRESET
TUNING
SPEAKERS
GENREMODE
TV/DBSDVD/LDVIDEO 2VIDEO 1
DIRECT
TUNING
09876
23451
SOUND FIELDSOUND
FIELD
ON/OFF
EQ
ON/OFF
BASS
BOOST
14
141 5
B A A+BOFF
ZB
C
A
4
4
1 1
14 94141
41
E EE E EE
EEE EEE
E E
E 1 7
64
1
44 34332322
12
11
MULTI
CURSOR
CONTROL
1
5
1
1 100 81 8051 50
31
30
E EE
E E
E
E
EE1 3CNS1071 2
213
1234
CH MODEL
CH MODEL
EXCEPT MY,SP,CH
MODELEXCEPT CH
MODEL
MY,SP,CH
MODEL MY,SP,CH
MODEL
16
R122
C124 C123
(Page 43)
(Page 43)
(Page 17)
(Page 21)
Ñ 29 ÑÑ 30 Ñ
3-12. PRINTED WIRING BOARD Ñ DISPLAY SECTION Ñ¥ See page 7 for Circuit Boards Location.
12
A
B
C
D
E
F
G
H
I
J
K3456789101112131415
Ref. No. Location
 D100 H-2
D101 E-2
D102 B-13
D103 B-9
D104 C-12
D105 C-12
D106 C-12
D108 C-3
D109 J-6
D110 J-7
D111 J-7
D112 J-8
D113 J-9
D114 I-6
D115 I-7
D116 I-7
D117 I-8
D118 I-9
D119 D-3
D120 I-13
D121 I-14
D122 C-3
D180 B-3
D181 D-13
D182 E-11
D183 E-11
D184 C-11
D185 C-12
D186 C-11
IC101 C-4
IC102 D-6
IC103 C-1
IC104 D-8
IC105 C-7
IC180 E-12
IC181 E-13
Q101 C-4
Q102 B-4
Q103 B-11
Q104 B-11
Q105 C-4
Q106 B-11
Q107 B-6
Q108 B-4
Q109 B-11
Q110 B-11
Q111 B-12
Q112 B-12
Q113 B-12
Q114 B-12
Q115 B-12
Q116 B-12
Q117 B-13
Q118 B-13
Q119 B-4
Q120 B-4
Q122 B-3
Q180 B-3
Q181 C-14
Q182 C-14
Q183 C-13
Q184 C-13
¥ Semiconductor
Location 
						

							STR-DE825/V818
Ñ 31 ÑÑ 32 Ñ
3-13. SCHEMATIC DIAGRAM Ñ DISPLAY SECTION Ñ   ¥ See page 8 for Waveform.  ¥ See page 51 for IC Pin Function Description.  ¥ See page 60 for IC Block Diagrams. 
						

							STR-DE825/V818
Ñ 35 Ñ
Ñ 36 Ñ
3-15. SCHEMATIC DIAGRAM Ñ SPEAKER SECTION Ñ