Sony HCD-HPR90 Service Manual - Page 70

Diagrams

Page 70 highlights

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

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2
HCD-HPR90/HPR99XM
2.
DIAGRAMS
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in
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 M
).
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
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
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q