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AVD-K150B/K150E/K150G/K150N/K150R
AVD-K150B/K150E/K150G/K150N/K150R
SECTION 5
DIAGRAMS
• Circuit Boards Location
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
DISPLAY board
KEY board
VCR board
SMPS board
DVD & AMP board
For schematic diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : STOP
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
J
: CD
c
: DVD
d
: TUNER
L
: VIDEO
E
: Y
a
: CHROMA
q
: R, G, B
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• Indication of transistor.
C E
B
These are omitted
Q
C
E
B
These are omitted
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
a
: Through hole.
•
b
: 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
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• Abbreviation
AED
: North European model
RU
: Russian model