Read Sony CDX-1150 Service Manual online
CDX-1150
– 19 –
– 20 –
3-4. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 29 for IC Block Diagrams.
(Page 21)
(Page 23)
• Waveforms
(MODE:PLAY)
3
1
2
Approx. 600mVp-p
IC102
@£
(FE)
0V
IC102
9
(ARF)
1.3Vp-p
Approx. 200mVp-p
IC102
@™
(TE)
0V
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
• 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.
• Signal path.
J
: CD
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
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