Read Sony HCD-RG490 / HCD-RG590 Service Manual online
HCD-RG490/RG590
2
2
HCD-RG490/RG590
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.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
(
(detuned) conditions.
no mark : TUNER (FM/AM)
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : REC
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
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
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
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
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
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