Diagrams - Sony HCD-RG490 Service Manual

HCD-RG490/RG590
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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.
B E
Q
B C E
These are omitted.
HCD-RG490/RG590
Note on Schematic Diagram:
All capacitors are in F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in and 1 / W or less unless otherwise
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specified.
f : internal component.
2 : nonflammable resistor.
C : panel designation.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
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
: TAPE PLAY
{ } : REC
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
: CD PLAY
E
: TAPE PLAY
G
: REC
N
: MIC
f
: AUDIO IN
L : VIDEO
Abbreviation
AR : Argentina model
AUS : Australian model
E2 : 120 V AC area in E model
E3 : 240 V AC area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
RU : Russian model
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