Sony CDX-C90 Service Manual page 61

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• Waveforms
(MODE:PLAY)
1
Approx. 200mVp-p
!¢
(TE)
IC1
2
Approx. 620mVp-p
!§
(FE)
IC1
3
!¶
(RFO)
IC1
4
&ª
(MDP)
IC501
5
TE
L 13942296513
22.7µsec
*¶
(LRCK)
IC501
6
474nsec
(¡
IC501
7
16.89MHz
`⁄‚‹
(XTAI)
IC501
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0V
0V
1.2Vp-p
2.6Vp-p
7.6µsec
5.8Vp-p
5.7Vp-p
(BCK)
3.2Vp-p
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Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
specified.
• % : indicates tolerance.
• : internal component.
¢
Note: The components identified by mark ! or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
• 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
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
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• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances. .
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
c : digital out
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1
/ W or less unless otherwise
4
m
co
CDX-C90
9 9
2 8 9 9