SA-RV990 - Sony Audio Service Manual (repair manual). Page 4

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4
SA-RV990
Ref. No.
Location
D201
I-7
D202
I-7
D203
I-7
D204
I-7
D205
E-10
D206
E-10
D301
G-7
D302
G-7
D304
E-8
D401
D-6
D402
E-7
D403
D-7
D501
D-8
D502
G-7
D602
D-10
D901
B-10
IC201
I-8
IC202
E-11
IC203
E-12
IC301
G-9
IC701
H-12
Q501
D-8
Q502
E-8
Q503
D-9
Q504
D-9
Q505
G-7
• Semiconductor
Location
Note on Schematic Diagram:
• 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 
 and 
1
/
4
 
W or less unless otherwise
specified.
2
: nonflammable resistor.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: AUDIO
• Abbreviation
E3
: AC 240 V area in E model
E51
: AC 220 V area in E model
SP
: Singapore model.
AUS
: Australian model.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
: Pattern from the side which enables seeing.
• Abbreviation
E3
: AC 240 V area in E model
E51
: AC 220 V area in E model
SP
: Singapore model.
AUS
: Australian model.
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
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