Read Sony CFD-CD777SMK2 Service Manual online
CFD-CD777SMK2
23
23
6-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Circuit Boards Location
REMOTE CONTROL board
CONTROL board
SPEAKER board
MOTOR board
MAIN board
BATTERY
board
board
DC JACK board
POWER board
FINE TUNING board
AMP board
R/P SW board
H/P board
LED
board
board
VOL board
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.
•
5
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 12 V and fed with regulated dc power
supply from battery terminal.
• 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
f
: MW
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: TAPE REC (DECK B)
J
: CD
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Click on the first or last page to see other CFD-CD777SMK2 service manuals if exist.