Read Sony D-F21 / D-F22ST / ICD-BP220 Service Manual online
D-F21/F22ST
16
16
5-5. PRINTED WIRING BOARD — MAIN SECTION —
Common Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Common 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.
•
%
: indicates tolerance.
•
f
: internal component.
• C : panel designation.
• A : B+ Line.
• Total current is measured with CD installed.
• Power voltage is dc 4.5 V and fed with regulated dc power
• Total current is measured with CD installed.
• Power voltage is dc 4.5 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground in
playback mode.
no mark : FM
(
no mark : FM
(
) : AM
<
> : CD
∗
: Impossible to measure
• 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.
F
: FM
f
: AM
J
: CD
• Abbreviation
E13
: AC 220 - 230V area in E model.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Semiconductor
Location (Side A)
D1
G-4
D80
H-8
D82
H-8
D301
G-3
D302
G-2
D303
F-2
D304
F-2
D408
H-6
D461
H-6
D801
H-6
IC61
I-6
Q84
H-4
Q85
I-4
Q401
G-9
Q402
G-9
Q403
F-2
Q405
E-2
Q412
I-8
Ref. No.
Location
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
OPTICAL
PICK-UP
BLOCK
(DAX-23E)
1-681-838-
12
(12)
1 WHT
2 BLK
M502
SPINDLE
MOTOR
S803
HOLD
1 BLK
2 RED
M501
SLED
MOTOR
OFF ON
RF-IN
(EXCEPT F21:E13)
TP807
TP620
TAP801
TP502
TP501
TP504
TP4
TP81
TP30
TP419
TP416
TP85
TP401
TP503
TP3
TP446
TP31
TP630
T81
D1
C85
D801
Q84
Q85
C71
C42
R85
R84
D80
R56
R55
R54
CT3
C13
CT1
C24
C28
C29
IC61
C33
C101
R854
C45
C47
C83
C86
C87
C104
C204
C318
C63
C401
C403
C412
C413
C414
C430
C450
C451
C461
C462
C64
Q405
C353
R411
C67
C68
R852
R4
R5
R18
R19
C352
CN501
13
1
R80
R87
R88
R107
Q401
R207
D461
D408
Q402
Q403
Q412
R210
C500
CN502
CN503
VDR402
VDR401
R805
S803
R645
R500
D304
D301
R432
R407
R305
R419
R418
L412
JC1
C419
C201
FB11
FB12
L6
D82
L312
T
AP1
R308
R857
C411
C401
R353
R617
R615
R613
R110
R463
R462
R461
R431
R430
R429
R421
TAP802
R417
R415
R410
R406
R405
R404
R402
R401
C421
C423
D302
D303
C360
R806
C81
C82
R81
R82
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
• Abbreviation
E13
: AC 220 - 230V area in E model.
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