Read Sony CDX-GT430U / CDX-GT434U Service Manual online
CDX-GT430U/GT434U
14
For Schematic Diagrams:
Note:
• All capacitors are in
• All capacitors are in
μF 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
specifi ed.
•
f : internal component.
•
C : panel designation.
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.)
•
A : B+ Line.
•
B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
(
)
:
MW
<
> : 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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J :
CD
F :
FM
f :
MW
L :
AUX
c :
USB
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.)
• Waveforms
– MAIN Board –
– MAIN Board –
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
0.05 Vp-p
4 MHz
0.8 Vp-p
32.768 kHz
0.05 V/DIV, 50 nsec/DIV
0.5 V/DIV, 20 μsec/DIV
IC001
RI (XTAL1)
IC401
RE (X_OUT)
1.7 Vp-p
7.92 MHz
0.5 V/DIV, 50 nsec/DIV
IC401
PE (OSC_OUT)
0.7 Vp-p
8.664 MHz
0.5 V/DIV, 50 nsec/DIV
IC601
(XT1)
SECTION 4
DIAGRAMS
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