Sony CDX-GT980UI - Display and Information Settings; Using Optional Equipment; Connecting Auxiliary Audio Equipment

CDX-GT930UI/GT937UI/GT980UI
CDX-GT930UI/GT937UI/GT980UI
2121
For Schematic Diagrams.
Note:
• 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.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : AM/MW/LW
< > : CD PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 MΩ).
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/MW/LW
L : BUS
g : AUX
c : USB
• Abbreviation
IT : Italian model
MX : Mexican model
RU : Russian model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
a
: Through hole.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
CEB
These are omitted.
These are omitted.
CBE
Caution:
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.
• Waveforms
– MAIN Board –
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.
• Abbreviation
IT : Italian model
MX : Mexican model
RU : Russian model
 IC1 RI (XTAL1)
 IC551  (XTO)
 IC303  (XCOUT)
20 mV/DIV, 100 ns/DIV
0.5 V/DIV, 50 ns/DIV
1 V/DIV, 10 μs/DIV
 IC303 RB (XOUT)
1 V/DIV, 50 ns/DIV
50 mVp-p
1.9 Vp-p
2 Vp-p
3.5 Vp-p
8.664 MHz
32.768 kHz
4 MHz
6 MHz
– DISPLAY Board –
 IC901 RB (XOUT)
1 V/DIV, 50 ns/DIV
3 Vp-p
8 MHz