Sony TA-FE370 / TA-FE570 Service Manual ▷ View online
TA-FE370/FE570
4
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
Note:
Follow the disassembly procedure in the numerical order given.
3-2.
CASE
3-2. CASE
(Page 4)
3-3. FRONT PANEL ASSY
(Page 5)
3-4. MAIN BOARD
(Page 5)
SET
1
two screws
(case 3 TP2)
(case 3 TP2)
1
two screws
(case 3 TP2)
(case 3 TP2)
1
two screws
(case 3 TP2)
(case 3 TP2)
2
2
3
case
TA-FE370/FE570
5
3-3.
FRONT PANEL ASSY
3-4.
MAIN BOARD
5
two screws
(BVTP3
(BVTP3
×
8)
6
four screws
(BVTP3
(BVTP3
×
8)
3
screw
(BVTP3
(BVTP3
×
8)
1
connector (CN811)
4
harness
1
connector (CN812)
2
wire (flat type) (15 core)
(CN815)
(CN815)
7
front panel assy
3
two screws
(BVTP3
(BVTP3
×
8)
4
two screws
(BVTP3
(BVTP3
×
8)
3
screw
(BVTP3
(BVTP3
×
8)
3
three screws
(BVTP3
(BVTP3
×
8)
5
MAIN board
2
connector (CN901)
1
connector (CN902)
TA-FE370/FE570
6
MEMO
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