Schematic Diagram -Base Main (3/3) Section - Sony SPP-888 Service Manual

5-9. SCHEMATIC DIAGRAM — BASE MAIN (3/3) SECTION — • Refer to page 41 for IC Block Diagrams.
(Page 31)
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
1 / W or less unless otherwise
4
specified.
• C : panel designation.
• U : B+ Line.
• Power voltage is dc 12 V and fed with regulated dc power
supply from J101 with 100 Ω in series.
33 33
SPP-888
(Page 29)
(Page 35)
• Power voltage is dc 9 V and fed with regulated dc power
supply from external power voltage jack.
• Voltage is dc with respect to ground under no-signal
condition.
no mark : TALK
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.