Sony CDX-F605X - Fm/am Compact Disc Player, Service Manual

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CDX-F605X
18 18
CDX-F605X
3-4. CIRCUIT BOARDS LOCATION • 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.)
For schematic diagrams.
Note:
• All capacitors are in µ F unless otherwise noted. (p: pF)
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.
• 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 (1/2), (2/2)
no mark : CD PLAY
• Main (1/4), (2/4), (3/4), (4/4) 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 production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J : CD PLAY
F
: FM
f
: AM
L
: BUS AUDIO
Caution:
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.
Note:
The components identi-
fied by mark
0
or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Q
C
These are omitted
E B
E
These are omitted
C B
C
These are omitted
B E
MAIN board
DISPLAY board
SENSOR board
SERVO board
SPEAKER board
tuner unit
(TUX501)
RELAY board
• WAVEFORMS
— SERVO Board —
(CD PLAY)
— MAIN Board —
1
IC2
4
(FEI)
Approx.
1Vp-p
0 V
0.6 Vp-p
16.9344 MHz
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
2
IC2
6
(TEI)
200 mV/DIV, 5 msec/DIV
6
IC2
oh
(FPI2),
oj
(FPI1)
0.5 V/DIV, 0.5
µ
sec/DIV
Approx. 400 mVp-p
3
IC2
wd
(XI)
0.2 V/DIV, 0.2
µ
sec/DIV
7
IC3
ia
(X1)
0.5 V/DIV, 0.2
µ
sec/DIV
1.1 Vp-p
12 MHz
4
IC2
uj
(RFI)
0.5 V/DIV, 0.5
µ
sec/DIV
5
IC2
of
(FNI2),
og
(FNI1)
1.5 Vp-p
1.5 Vp-p
0 V
0.6 Vp-p
5 MHz
1
IC901
qs
(X1)
0.2 V/DIV, 0.2 µ sec/DIV
0.7 Vp-p
32.768 kHz
1
IC303
uk
(X0A)
0.2 V/DIV, 20 µ sec/DIV
1.1 Vp-p
18.432 MHz
2
IC303
i;
(X0)
0.5 V/DIV, 0.1 µ sec/DIV
— DISPLAY Board —