Read Sony CFD-W57 (serv.man2) Service Manual online
– 1 –
CFD-W57
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 (9-923-399-11) previously issued for the other
information.
When performing service and inspection, check the suffix of the part number of
boards.
are described in this Supplement-1.
Refer to original service manual (9-923-399-11) previously issued for the other
information.
When performing service and inspection, check the suffix of the part number of
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.
a board with a suffix number of -12 or -13 for the following boards:
TUNER, MAIN, LAMP, RECORD/PLAYBACK SWITCH, HEADPHONE and
POWER boards.
US Model
E Model
(ECN-RCA00409)
Ver 1.1 1999. 10
– 2 –
– TUNER BOARD (COMPONENT SIDE) –
TUNER Board Part No.
Former type : 1-669-896-11
New type (US) : 1-674-113-11
Former type : 1-669-896-11
New type (US) : 1-674-113-11
TUNER Board Part No.
Former type : 1-669-896-11
New type (E) : 1-669-896-14
Former type : 1-669-896-11
New type (E) : 1-669-896-14
CD Board Part No.
Former type : 1-667-507-11
New type : 1-667-507-12
Former type : 1-667-507-11
New type : 1-667-507-12
– CD BOARD (COMPONENT SIDE) –
– 3 –
– 4 –
– MAIN BOARD (COMPONENT SIDE) –
MAIN Board Part No.
Former type : 1-669-895-11
New type (E) : 1-669-895-14
New type (US) : 1-674-112-11
Former type : 1-669-895-11
New type (E) : 1-669-895-14
New type (US) : 1-674-112-11
LCD Board Part No.
Former type : 1-667-506-11
New type : 1-667-506-12
Former type : 1-667-506-11
New type : 1-667-506-12
– LCD BOARD (COMPONENT SIDE) –
LAMP Board Part No.
Former type : 1-669-901-11
New type (E) : 1-669-901-14
New type (US) : 1-674-118-11
Former type : 1-669-901-11
New type (E) : 1-669-901-14
New type (US) : 1-674-118-11
– LAMP BOARD (COMPONENT SIDE) –
– RECORD/PLAYBACK
SWITCH BOARD (COMPONENT SIDE) –
SWITCH BOARD (COMPONENT SIDE) –
RECORD/PLAYBACK
SWITCH Board Part No.
Former type : 1-669-898-11
New type (E) : 1-669-898-14
New type (US) : 1-674-115-11
SWITCH Board Part No.
Former type : 1-669-898-11
New type (E) : 1-669-898-14
New type (US) : 1-674-115-11
– HEADPHONE BOARD (COMPONENT SIDE) –
HEADPHONE Board Part No.
Former type : 1-669-900-11
New type (E) : 1-669-900-14
New type (US) : 1-674-117-11
Former type : 1-669-900-11
New type (E) : 1-669-900-14
New type (US) : 1-674-117-11
BACK UP Board Part No.
Former type : 1-667-500-11
New type : 1-667-500-12
Former type : 1-667-500-11
New type : 1-667-500-12
– BACK UP BOARD (COMPONENT SIDE) –
BATTERY Board Part No.
Former type : 1-667-499-11
New type : 1-667-499-12
Former type : 1-667-499-11
New type : 1-667-499-12
– BATTERY BOARD (COMPONENT SIDE) –
– POWER BOARD (COMPONENT SIDE) –
POWER Board Part No.
Former type : 1-669-897-11
New type (E) : 1-669-897-14
New type (US) : 1-674-114-11
Former type : 1-669-897-11
New type (E) : 1-669-897-14
New type (US) : 1-674-114-11
CONTROL Board Part No.
Former type : 1-667-504-11
New type : 1-667-504-12
Former type : 1-667-504-11
New type : 1-667-504-12
– CONTROL BOARD (COMPONENT SIDE) –
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
1. PRINTED WIRING BOARD — TUNER SECTION — (US Model)
CFD-W57
– 5 –
– 6 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
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
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: AM
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.
Ref. No.
Location
D1
E-3
D2
E-3
D3
G-6
D10
H-3
D11
H-3
D12
C-3
D15
C-2
IC1
D-4
IC2
D-6
Q10
E-4
Q11
F-5
Q12
E-4
Q13
D-5
Q15
B-5
Q16
B-4
Q18
A-4
Q19
A-5
Q60
E-6
Q61
F-6
Q80
C-6
• Semiconductor
Location
(Page 19)
