DOWNLOAD Sony STR-DA80ES / TA-V88ES / TA-VA80ES Service Manual ↓ Size: 890.89 KB | Pages: 53 in PDF or view online for FREE

Model
STR-DA80ES TA-V88ES TA-VA80ES
Pages
53
Size
890.89 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-da80es-ta-v88es-ta-va80es.pdf
Date

Sony STR-DA80ES / TA-V88ES / TA-VA80ES Service Manual ▷ View online

– 6 –
• T
A-V
A80ES
Front Panel Description
– 7 –
Note: Follow the disassembly procedure in the numerical order given.
CASE
SECTION  2
DISASSEMBLY
REAR  PANEL  SECTION
1
 two screws
(M 3 
×
 8)
3
 case
1
 three screws
(M 3 
×
 8)
1
 three screws
(M 3 
×
 8)
1
 two screws
(M 3 
×
 8)
2
2
1
 connector
(CNE910)
1
 connector
(CNV903)
1
 connector
(CNV902)
3
 two screws
(BVTP 3 
×
 6)
4
 back panel section
2
 seven screws
(BVTP 3 
×
 8)
1
 connector
(CNE807)
2
 two screws
(BVTP 3 
×
 8)
(STR-DA80ES)
2
 eight screws
(BVTP 3 
×
 8)
2
 seven screws
(BVTP 3 
×
 8)
1
 connector
(CND3503)
2
 four screws
(BVTP 3 
×
 8)
2
 screw
(BVTP 3 
×
 8)
– 8 –
TUNER/AUDIO/SPTM  BOARD, FRONT  PANEL  SECTION
INPUT  BOARD
1
 connector
(CNV613)
2
 five screws
(BVTP 3 
×
 8)
1
 connector
(CNE939)
2
 two screws
(BVTP 3 
×
 8)
4
 INPUT board
3
 claw
1
 five connectors
(
CNE601, 620, 622, 3501, 
)
 CNP202
1
 five connectors
(
CND621, CNE601, 602, 
)
 CNV615, 616
1
 connector
(CNE211)
1
 connector
(CNS210)
1
 connector
(CNS623)
7
 four screws
(BVTP 3 
×
 8)
8
 front panel section
2
 SPTM board
5
 connector
(CNS201)
6
 TUNER board
7
 three screws
(BVTP 3 
×
 8)
4
 flat wire
(CNS3503)
3
 AUDIO board
STR-DA80ES
– 9 –
DC  BIAS  CURRENT  Adjustment
(with no signal input)
Note:
1.
DC BIAS CURRENT adjustments should be made 30 seconds after
the POWER switch is turned on (POWER ON).
2.
After replacing the power transistors, DC BIAS CURRENT adjustments
should be perfomed.
Procedure:
Digital volt meter
+
1
2
3
R615
R665
R016
R715
R765
AMP BOARD
[AMP  BOARD] (COMPONENT SIDE)
R665
RV651
1
2
3
D973
D971
D972
C987
C988
C985
C986
1
2
3
R668
R765
RV751
R017
R768
RV001
R016
R715
RV701
R718
R615
RV601
R618
3
2
1
3
2
1
1
2
3
FRONT Rch
REAR Rch
FRONT Lch
REAR Lch
CENTER 
Connecting
Adjustment
Reading on
point
part
Digital volt meter
FRONT Lch
R615
RV601
20 mV
FRONT Rch
R665
RV651
20 mV
CENTER
R016
RV001
20 mV
REAR Lch
R715
RV701
20 mV
REAR Rch
R765
RV751
20 mV
SECTION  3
ELECTRICAL  ADJUSTMENTS
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