Read Sony STR-DE185 (serv.man2) Service Manual online
2
STR-DE185
TABLE OF CONTENTS
1. Printed Wiring Board –Main Section– ................................... 3
2. Schematic Diagram –Main Section (1/2)– .............................. 4
3. Schematic Diagram –Main Section (2/2)– .............................. 5
4. Electrical Parts List .................................................................. 6
2. Schematic Diagram –Main Section (1/2)– .............................. 4
3. Schematic Diagram –Main Section (2/2)– .............................. 5
4. Electrical Parts List .................................................................. 6
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
1
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM/AM
L
: MD/TAPE
g
: VIDEO 1
J
: CD
c
: VIDEO 2
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• (
) : Refer to page of Supplement-1.
• ((
)) : Refer to page of Service Manual.
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