Sony HCD-HPR90 Service Manual - Page 70
Diagrams
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HCD-HPR90/HPR99XM 2. DIAGRAMS • Note for Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. • f : internal component. • : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) • Indication of transistor C Q These are omitted. BE Q BCE These are omitted. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • f : internal component. • A : B+ Line. • B : B- Line. • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) ( ) : CD PLAY XM • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances. • Signal path. F : TUNER (FM/AM) J : XCD PLAY : XM f : AUDIO IN • Abbreviation AR : Argentina model AUS : Australian model CND : Canadian model E51 : Chilean and Peruvian models MX : Mexican model SP : Singapore model 2