CFD-W57L (serv.man2) - Sony Audio Service Manual (repair manual)

Model: CFD-W57L (serv.man2)
Pages: 22
Size: 6.06 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: Audio / SUPPLEMENT-1
File: cfd-w57l-sm2.pdf
Date: 2018-11-20

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Read Sony CFD-W57L (serv.man2) Service Manual online

– 1 –
CFD-W57L
SERVICE MANUAL
SUPPLEMENT-1
File this supplement with the service manual.

Subject : Change of Boards
Printed wiring board and schematic diagram of new type, and changed parts list
are described in this Supplement-1.
Refer to original service manual (9-923-385-11) previously issued for the other
information.
When performing service and inspection, check the suffix of the part number of
the main boards.
Refer to the service manual for a board with a suffix number of -14 when reparing
a board with a suffix number of -12 or -13 for the following boards:
TUNER, MAIN, LAMP, RECORD/PLAYBACK SWITCH, HEADPHONE and
POWER boards.
AEP Model
UK Model
(ECN-RCA00409)
Ver 1.1  1999. 10

– 2 –
CD Board Part No.
Former type : 1-667-507-11
New type     : 1-667-507-12
– CD BOARD (COMPONENT SIDE) –
– TUNER BOARD (COMPONENT SIDE) –
TUNER Board Part No.
Former type : 1-667-503-11
New type     : 1-667-503-14

CONTROL Board Part No.
Former type : 1-667-504-11
New type     : 1-667-504-12
– CONTROL BOARD (COMPONENT SIDE) –
– POWER BOARD (COMPONENT SIDE) –
POWER Board Part No.
Former type : 1-667-502-11
New type     : 1-667-502-14
BATTERY Board Part No.
Former type : 1-667-499-11
New type     : 1-667-499-12
– BATTERY BOARD (COMPONENT SIDE) –
BACK UP Board Part No.
Former type : 1-667-500-11
New type     : 1-667-500-12
– BACK UP BOARD (COMPONENT SIDE) –
– HEADPHONE BOARD (COMPONENT SIDE) –
HEADPHONE Board Part No.
Former type : 1-667-505-11
New type     : 1-667-505-14
– RECORD/PLAYBACK
   SWITCH BOARD (COMPONENT SIDE) –
RECORD/PLAYBACK
SWITCH Board Part No.
Former type : 1-668-024-11
New type     : 1-668-024-14
LAMP Board Part No.
Former type : 1-667-501-11
New type     : 1-667-501-14
– LAMP BOARD (COMPONENT SIDE) –
LCD Board Part No.
Former type : 1-667-506-11
New type     : 1-667-506-12
– LCD BOARD (COMPONENT SIDE) –
– MAIN BOARD (COMPONENT SIDE) –
MAIN Board Part No.
Former type : 1-667-498-11
New type     : 1-667-498-14
– 3 –
– 4 –

1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
1. PRINTED WIRING BOARD — TUNER SECTION —
CFD-W57L
– 5 –
– 6 –

Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
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.
•
f
: internal component.
•
U
: B+ Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
) : MW
<
> : MW/LW
[
] :  LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
L
: MW
• Abbreviation
G
: German model.
IT
: Italian model.
EE
: East European model.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
W
: indicates side identified with part number.
•
f
: internal component.
• b
: Pattern from the side which enables seeing.
•
Abbreviation
G
: German model.
IT
: Italian model.
EE
: East European model.
(Page 15)
Ref. No.
Location
D1
H-3
D2
H-3
D3
E-2
D4
D-3
D5
G-3
IC1
D-3
IC2
D-6
Q1
G-2
Q2
F-4
Q3
H-3
Q4
F-5
Q5
H-3
Q6
F-3
Q9
E-4
Q10
F-4
Q11
D-5
Q12
E-4
Q13
B-6
Q14
B-7
Q15
B-5
Q16
B-4
Q17
E-5
Q18
F-5
Q19
F-6
Q21
G-5
Q22
H-4
Q23
B-2
• Semiconductor
Location

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Download Sony CFD-W57L (serv.man2) Service Manual (Repair Manual)

Here you can read online and download Sony CFD-W57L (serv.man2) Service Manual in PDF. CFD-W57L (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CFD-W57L (serv.man2) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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