Schematic Diagram -Hand Key Section - Sony SPP-874 Service Manual

5-8. SCHEMATIC DIAGRAM — HAND KEY SECTION — • Refer to page 37 for IC Block Diagrams.
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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.
• C : panel designation.
• U : B+ Line.
• Power voltage is dc 3.6 V and fed with regulated dc power
supply from battery connector (CN2).
• Voltage is dc with respect to ground under no-signal
condition.
SPP-874/884
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Abbreviation
E12 : 220-240V area of E model
E92 : 120V area of E model
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(Page 32)