Sony AN-LP1 Service Manual page 8

4-2. SCHEMATIC DIAGRAM
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• Waveforms
1 Q101 BASE
0.5 Vp-p
550 ns
2 Q102 BASE
0.1 Vp-p
550 ns
3 D101 ANODE
34.4 Vp-p
710 ns
Note on Schematic Diagram:
• 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
1
/ W or less unless otherwise
4
specified.
•
¢
: internal component.
•
: panel designation.
•
: B+ Line.
•
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground un-
der no-signal conditions.
no mark : FREQ. SELECT "4"
( ) : STANDBY
• Voltages are taken with a 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.
: RF
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AN-LP1