MV-7101DS
17
17
SECTION 3
DIAGRAMS
3-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Circuit Boards Location
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
z
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC cord.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: AUDIO
L
: VIDEO
I
: DIGITAL OUT
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveform
– KEY Board –
1
IC101
ws
(CL2)
4.7 Vp-p
250 ns
sw board
key board
led board
sensor board
servo board
power board
Ver 1.1
Содержание MV7101DS - Mobile DVD Dream System
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