Read Sony ICF-CD831 / ICF-CD831L Service Manual online
ICF-CD831/CD831L
20
20
5-7. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 19 for Common Note on Schematic Diagrams and page 28 for IC Block Diagrams.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD PLAY
no mark : CD PLAY
IC B/D
IC B/D
C745
R707
CNP701
R701
R702
R703
R704
R705
R706
R702
R703
R704
R705
R706
R712
C751
M702
M701
R744
R743
C741
C733
C732
R724
R709 R710
C703
C704
C704
R711
C743
C731
R708
C708
C742
R741
C740
C709
R726
C729
R731
R720
R719
R722
R727
R728
C744
R730
R729
C724
C720
C722
C723
C722
C723
C721
R717
R716
R718
R721
R716
R718
R721
FB701
C717
C735
R715
R714
R723
C728
R725
C702
S701
C730
CNP702
C707
C706
TP
TP
C711
L706
C750
C747
C746
C701
C739
IC702
JC702
JC701
C738
C705
C734
C736
JC703
C727
C726
C726
C725
R732
C755
C754
IC701
X701
C716
Q701
JC704
(Page 21)
1
IC701
4
(RF)
500mV/div 0.5µsec/div
2
IC701
qd
(FE)
100mV/div 20µsec/div
3
IC701
qg
(TE)
100mV/div 20µsec/div
4
IC701
rk
(XOUT)
1V/div 0.05µsec/div
0.85±0.2Vp-p
Approx. 100mVp-p
Approx. 100mVp-p
1.8V
1.8V
3.2Vp-p
• Waveforms
(Mode: PLAY)
16.93MHz
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