HCD-FL7D
4545
8-8. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
f
: internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
•Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
• Circled numbers refer to waveforms.
• Signal path.
F : AUDIO
L : VIDEO
E : Y
a : CHROMA
r : COMPONENT VIDEO
f : TUNER
E : TAPE PLAY (DECK A)
d : TAPE PLAY (DECK B)
G : REC (DECK B)
J : CD PLAY
c : DVD PLAY
I : SACD PLAY
N : MIC
j : MD (VIDEO)
i : OPTICAL DIGITAL IN
•Abbreviation
CND : Canadian model
EA : Saudi Arabia model
KR : Korean model
MX : Mexican model
SP : Singapore model
• Circuit Boards Location
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.
SP relay board
video board
SUB TRANS boar
TRANS board
center SW AMP board
TC door board
TC door SW board
TC SW (A) board
CD door SW 2 board
CD door SW 1 board
MIC board
(Saudi Arabia, Korean,
Mexican, Singapore)
CD motor board
panel (L) board
panel (R) board
blue LED board
front rear AMP board
regulator board
RF board
IN/MIDIN SW board
DSP board
INIT/count SW boar
connect board
MB board
loading motor board
MC board
SW board
head (B) board
head (A) board
CD door board
OUT/MIDOUT SW board
sensor board
sensor 2 board
clamp motor board
GC board
D
G
These are omitted.
S
Q
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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