Sony CFD-E55L Service Manual ▷ View online
CFD-E55L
– 29 –
– 30 –
– 31 –
6-6.
SCHEMATIC DIAGRAM – CD Section –
•
See page 38 for Waveforms.
•
See page 50 for IC Block Diagrams.
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.
•
U
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD
(
no mark : CD
(
) : TUNER
[
] : TAPE
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: CD PLAY
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
(Page 41)
(Page 47)
(Page 40)
CFD-E55L
– 32 –
– 33 –
– 34 –
• Semiconductor
Location
Ref. No.
Location
6-7.
PRINTED WIRING BOARDS – MAIN/POWER SUPPLY Section –
•
See page 26 for Circuit Boards Location.
D1
F-6
D2
F-6
D3
E-7
D10
G-7
D11
G-7
D321
B-2
D322
B-2
D351
C-12
D352
C-12
D353
C-12
D361
F-3
D362
F-2
D363
E-3
D366
E-3
D367
D-2
D901
D-13
D902
D-13
D903
D-14
D904
D-14
D905
C-11
D906
C-11
D907
D-11
D908
E-11
D909
F-11
D910
C-11
D911
C-11
D912
C-11
IC1
F-5
IC2
E-5
IC301
C-6
IC302
C-4
IC303
C-14
Q1
F-4
Q2
E-4
Q3
E-4
Q4
F-8
Q5
E-8
Q6
F-7
Q7
E-7
Q8
D-6
Q9
E-6
Q301
B-3
Q302
C-3
Q303
B-3
Q311
B-8
Q312
C-9
Q313
B-9
Q341
B-13
Q351
B-11
Q352
B-11
Q353
C-12
Q354
C-12
Q361
F-3
Q362
F-3
Q363
D-7
Q364
F-2
Q365
F-3
Q366
F-3
Q367
G-2
Q368
G-2
Q369
G-3
Q370
G-3
Q371
G-3
Q372
F-3
Q373
C-4
Q374
E-2
Q375
F-3
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
b
: Pattern from the side which enables seeing.
05
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION R6)
3PCS. 4.5V
(FOR BACK UP)
DRY BATTERY SIZE " D "
(IEC DESIGNATION R20)
6PCS. 9V
(FOR POWER SUPPLY)
G
F
E
D
C
B
A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(Page 45)
(Page 27)
(Page 46)
(Page 28)
(Page 45)
CFD-E55L
– 35 –
– 36 –
– 37 –
– 38 –
6-8.
SCHEMATIC DIAGRAM – MAIN (TUNER) Section –
•
See page 38 for Waveform.
•
See page 52 for IC Block Diagrams.
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.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW/LW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: MW/LW
1.1 to 1.3 V
• Waveforms
– CD Board –
– CD Board –
1
IC701
1
(FEO) (CD play mode)
20 mV/DIV, 1 µs/DIV
2
IC701
ed
(RF O) (CD play mode)
500 mV/DIV, 1 µs/DIV
3
IC701
rg
(TEO),
rj
(TEI)
(CD play mode)
50 mV/DIV, 1 µs/DIV
50 mV/DIV, 1 µs/DIV
4
IC703
wa
(MDP) (CD play mode)
1 V/DIV, 5 µs/DIV
6
IC703
rd
(BCK),
rf
(BCKI)
(CD play mode)
2 V/DIV, 200 ns/DIV
2 V/DIV, 200 ns/DIV
7
IC703
ts
(C4M) (CD play mode)
2 V/DIV, 100 ns/DIV
5
IC703
el
(LRCK),
r;
(LRCKI)
(CD play mode)
2 V/DIV, 10 µs/DIV
2 V/DIV, 10 µs/DIV
*
2) FM/LW : 3.6 Vp-p
MW
: 4.1 Vp-p
qs
IC501
uf
(TEX)
1 V/DIV, 10 µs/DIV
– MAIN Board (TUNER Section) –
0
IC2
wa
(XOUT)
500 mV/DIV, 5 µs/DIV
Approx.
97 mVp-p
97 mVp-p
Approx.
115 mVp-p
115 mVp-p
2.6 Vp-p
7.6
µ
s
6 Vp-p
22.7
µ
s
6.1 Vp-p
470 ns
6.1 Vp-p
236 ns
8
IC703
th
(WFCK) (CD play mode)
2 V/DIV, 50 µs/DIV
5.7 Vp-p
136
µ
s
9
IC703
u;
(XTAI)
500 mV/DIV, 20 ns/DIV
1.8 Vp-p
59.2 ns
*
1) FM
: 1.6 Vp-p
MW/LW: 2.1 Vp-p
– LCD Board –
qa
IC501
ea
(EXTAL)
2 V/DIV, 100 ns/DIV
240 ns
*
2 Vp-p
2.2 Vp-p
30.5
µ
s
*
1 Vp-p
13.3
µ
s
(Page 47)
(Page 40)
CFD-E55L
– 39 –
– 40 –
– 41 –
– 42 –
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.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
U
: B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER
(
no mark : TUNER
(
) : CD
〈〈
〉〉
: TAPE
• 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
: TUNER
E
: TAPE PLAY
a
: TAPE RECORD
J
: CD PLAY
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
6-9.
SCHEMATIC DIAGRAM – MAIN (AUDIO) /POWER SUPPLY Section –
•
See page 53 for IC Block Diagrams.
(Page 36)
(Page 31)
(Page 47)
(Page 47)
(Page 31)
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