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Schematic Diagram -main Section (1/2) - Sony D-190 Service Manual

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D-190/191/191SR/192CK/193
5-5. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
• Waveforms
1
3
1.3Vp-p
0.5µsec/div
20µsec/div
TP522 (RF)
TP518 (FOK)
4
2
100mVp-p
20µsec/div
20µsec/div
TP527 (FEO)
TP521 (TEO)
5
5
80mVp-p
4.0Vp-p
4.6µsec
3µsec/div
C
Q403
IC801
6
1.5Vp-p
100mVp-p
7.6µsec
2µsec/div
TP601 (MDP)
– 17 –
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.
1.4Vp-p
• C : panel designation.
16.9MHz
0.05µsec/div
Note:
`⁄‚› 
The components identi-
fied by mark ! or dotted
line with mark ! are criti-
cal for safety.
Replace only with part
number specified.
• U : B+ Line.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
1
/
W or less unless otherwise
• Voltages and waveforms are dc with respect to ground in
4
playback mode.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Note:
Voltage variations may be noted due to normal produc-
Les composants identifiés par
tion tolerances.
une marque ! sont critiques
• Signal path.
pour la sécurité.
J
: CD
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
– 18 –

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D-191srD-192ckD-193D-191

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