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...

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...

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...

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...

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