Read Sony CMT-DF1 / HCD-DF1 Service Manual online
15
15
HCD-DF1
HCD-DF1
MICROPHONE board
PANEL board
DECK board
POWER SWITCH board
MAIN board
TUNER (FM/AM)
DVD board
POWER board
•
Note for Printed Wiring Boards and Schematic Diagrams
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
C
: panel designation.
•
A
: B+ Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
) : DVD PLAY
[
] : TAPE PLAY
〈〈
〉〉
: REC
∗
: Impossible to measure
•
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: AUDIO
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
J
: DIGITAL OUT
f
: TUNER (FM/AM)
d
: TAPE PLAY
G
: REC
N
: MIC INPUT
•
Abbreviation
AUS
AUS
: Australian model
HK
: Hong Kong model
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TW
: Taiwan model
•
Circuit Boards Location
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Indication of transistor
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
B
These are omitted.
C
E
Q
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