Read Sony TA-FE370 / TA-FE570 Service Manual online
TA-FE370/FE570
7
7
SECTION 4
DIAGRAMS
4-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor
• Indication of transistor
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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 and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER
no mark : TUNER
• 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
: TUNER
E
: TAPE1/DAT IN
a
: RECOUT
d
: TAPE2/MD IN
J
: CD
I
: PHONO
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveform
– CONTROL Board –
– CONTROL Board –
1
IC801
1
(XOUT)
• Circuit Boards Location
POWER SW board
STANDBY board
AC OUTLET board
MAIN board
VOLUME board
LOUDNESS board
CONTROL board
SPEAKER SW board
HEADPHONE board
3 Vp-p
250 ns
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