Sony CDC-R304 / CDC-X104EE / CDC-X204 / CDC-X304 / CDC-X444 Service Manual ▷ View online
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21
CDC-R304/X104EE/X204/X304/X444
3-7. WAVEFORMS
3-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section
no mark : CD PLAY
• Main (1/2), (2/2) and Display sections
no mark : FM
no mark : CD PLAY
• Main (1/2), (2/2) and Display sections
no mark : FM
(
) : AM
<
> : CD PLAY
∗
: 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.
J
: CD PLAY
F
: FM
f
: AM/MW/LW
a
: AUX
• Abbreviation
CND : Canadian 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)
(Side A)
parts face are indicated.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
• Abbreviation
CND : Canadian model.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
— Servo Board —
(MODE: CD PLAY)
IC1
uj
(AGCI)
1
2
16.9344MHz
IC1
wd
(XTAL)
1.6Vp-p
1.2Vp-p
Approx. 620mVp-p
IC1
od
(FEO)
3
0V
4
0V
Approx. 200mVp-p
IC1
oh
(TEO)
32.768kHz
IC501
qg
(XIN)
— Main Board —
1
2
27MHz
IC501
qs
(OSCOUT)
1.8Vp-p
2.2Vp-p
IC51
q;
(XTO)
3
0.9Vp-p
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CDC-R304/X104EE/X204/X304/X444
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
SW3
SW2
1-688-822-
JR41
JR40
C34
C39
R13
R14
SW1
R85
C38
R6
R7
R1
R11
C28
C71
R73
R81
C30
R41
R77
R70
R72
C31
R78
R75
R74
R71
R83
R79
R82
R76
R9
C79
C77
C74
R45
C76
C73
C78
JR90
JR91
FB1
R42
C72
C2
C3
C5
C7
C8
C32
C11
C13
C18
C19
C29
C36
C35
IC2
C21
R15
R44
C75
C23
C27
C20
R80
C17
Q1
C70
R84
R12
C37
X1
IC1
C6
C1
C26
C25
CN1
CN2
(Page 26)
3-8. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
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CDC-R304/X104EE/X204/X304/X444
IC B/D
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP21
TP24
TP26
TP27
TP28
TP29
TP30
TP31
TP40
TP41
TP70
TP71
TP72
TP73
TP74
TP75
TP80
TP81
TP82
TP83
TP84
TP85
TP87
TP88
TP89
TP90
TP91
TP92
TP93
TP42
TP43
TP44
TP45
TP46
TP47
TP48
TP49
TP50
TP51
TP52
TP53
TP54
TP55
TP56
TP57
TP58
TP59
TP60
TP61
TP62
TP63
TP64
TP65
TP100
TP14
C13
C17
C20
C28
C30
C31
C34
C35
C36
C37
C38
C39
C5
C70
C71
C73
C74
C75
C76
C77
C79
C8
R1
R12
R14 R15
R7
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
TP19
C18
R6
C25
TP20
TP22
TP23
TP25
C32
C27
C26
C29
C1
C2
C3
C7
C11
C78
C72
C19
SW4
SW2
SW3
TP27
TP28
TP29
SW1
TP33
TP32
R13
R11
CN2
Q1
M901
M902
M903
C6
X1
R41
R42
CN1
C23
C21
R9
IC1
R44
R45
JR91
JR90
FB1
JR41
JR40
IC2
• Refer to page 21 for Waveforms.
3-9. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 29 for IC Block Diagram.
(Page 24)
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CDC-R304/X104EE/X204/X304/X444
IC B/D
IC B/D
EXCEPT X104EE
X104EE
R413
R414
R415
R416
R417
R418
R419
D401
C406
C407
L1
R1
R402
R410
R411
R506
R513
R514
R531
R532
R534
R543
R636
X502
R595
R406
R407
R408
R409
R5
R4
C4
R559
R15
R16
R405
R505
R566
R428
R429
R510
R511
R512
R521
R522
R535
R579
R591
C6
R61
C404
C403
C419
C420
C7
C8
C428
R592
C510
C425
C426
C401
C430
C402
C427
R539
R573
R556
R552
R547
R509
C501
C512
C514
C502
C517
C504
C509
C9
C5
D1
R540
C301
C305
C302
C310
C307
C303
C304
R557
R544
R541
C511
R504
R501
R596
R502
R503
R565
C513
R563
C515
C508
C507
C503
D402
C429
C405
R401
C411
C410
C412
C416
C415
R7
L304
L305
L306
C408
C409
TU1
J1
C1
C2
Q1
R6
R8
R10
R9
Q3
Q51
R59
C52
Q52
C51
C58
R54
R53
C57
C56
C55
C54
C53
C62
R58
C60
C59
X51
R55
Q503
Q403
Q402
L303
L307
L302
L310
R520
R538
R549
R537
R551
R558
C516
R564
R560
C3
R576
R575
R590
R527
R526
R578
R574
R523
R525
R524
R516
R515
JC16
R572
R571
R568
R548
R518
R545
R536
R577
R555
R554
IC501
CN301
IC51
Q401
IC401
X501
JW45
JW46
R51
R52
R57
R56
R12
R11
R422
R421
R508
R567
JW109
TUX-032//Q :
TUX-032//Q3:
• Refer to page 21 for Waveforms.
3-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 29 for IC Block Diagrams.
(Page 25)
(Page 23)
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