DOWNLOAD Sony SA-FT7ED / SA-WFT7 / SS-CNF7ED / SS-FRF7ED / WS-FT7 Service Manual ↓ Size: 5 MB | Pages: 47 in PDF or view online for FREE

Model
SA-FT7ED SA-WFT7 SS-CNF7ED SS-FRF7ED WS-FT7
Pages
47
Size
5 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-ft7ed-sa-wft7-ss-cnf7ed-ss-frf7ed-ws-ft7.pdf
Date
PREV: Sony DAV-DZ770W / HCD-DZ770W Service Manual

Sony SA-FT7ED / SA-WFT7 / SS-CNF7ED / SS-FRF7ED / WS-FT7 Service Manual ▷ View online

1
US Model
Canadian Model
AEP Model
UK Model
SERVICE MANUAL
Ver. 1.1  2005. 11
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of circuit boards.
When performing service and inspection, check the suffix of the part number of
the circuit board.
9-879-750-81
SA-FT7ED/WFT7/SS-CNF7ED/
FRF7ED/WS-FT7
2
SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7
DISCRIMINATION
IC601
J701
T101
S301
– FILTER BOARD (component side) – 
– POWER BOARD (component side) – 
– ACIN BOARD
     (component side) – 
– SW BOARD
     (component side) – 
– LED BOARD
     (component side) – 
– INPUT BOARD 
     (component side) – 
– AMP BOARD (component side) – 
FILTER Board Part No.
Former type : 1-865-571-11
New type :     1-865-571-12
INPUT Board Part No.
Former type : 1-865-572-11
New type :     1-865-572-12
POWER Board Part No.
Former type : 1-865-570-11
New type :     1-865-570-12
AMP Board Part No.
Former type : 1-865-569-11
New type :     1-865-569-12
LED Board Part No.
Former type : 1-865-575-11
New type :     1-865-575-12
SW Board Part No.
Former type : 1-865-573-11
New type :     1-865-573-12
ACIN Board Part No.
Former type : 1-865-574-11
New type :     1-865-574-12
3
TABLE OF CONTENTS
1. DIAGRAMS
1-1.   Printed Wiring Boards –Filter Section– .............................. 5
1-2.   Schematic Diagram –Filter Section– .................................. 6
1-3.   Printed Wiring Board –Amp Section (1/2)– ........................ 7
1-4.   Printed Wiring Board –Amp Section (2/2)– ........................ 8
1-5.   Schematic Diagram –Amp Section– ................................... 9
1-6.   Printed Wiring Boards –Power Section– ........................... 10
1-7.   Schematic Diagram –Power Section– ............................... 11
2. ELECTRICAL PARTS LIST
........................................ 12
SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7
4
SA-FT7ED/WFT7/SS-CNF7ED/FRF7ED/WS-FT7
SECTION 1
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
Ω
 and 
1
/
4
 
W or less unless otherwise
specified.
•
2
: nonflammable resistor.
•
C
: panel designation.
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : POWER ON
∗
: Impossible to measure
• Signal path.
F
: LINE
• Abbreviation
CND : Canadian model.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Abbreviation
CND : Canadian model.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
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