Note For Printed Wiring Boards And Schematic Diagrams - Sony HCD-FL7D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
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.)
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.
• Indication of transistor.
C
Q These are omitted.
B E
Q
B C E
These are omitted.
Q
B C E
T E
L 1 3 9 4 2 2 9 6 5 1 3
These are omitted.
D
Q
These are omitted.
G S
w w w
.
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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 / W or less unless otherwise
4
specified.
• : internal component.
f
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
pièce por tant le numéro
Replace only with part
spécifié.
number specified.
• 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
x a o u 1 6 3
y
i
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8 9
• Circuit Boards Location
blue LED board
panel (L) board
CD motor board
MIC board
(Saudi Arabia, Korean,
Mexican, Singapore)
CD door SW 1 board
CD door SW 2 board
TC SW (A) board
TC door SW board
Q Q
3 7 6 3 1 5 1
GC board
sensor 2 board
sensor board
OUT/MIDOUT SW board
CD door board
c o
. SW board
head (A) board
45 45
2 4 2
9 8
SP relay board
front rear AMP board
center SW AMP board
5 0 8 9 2 4 9 8 2
TC door board panel (R) board
clamp motor board
regulator board
RF board
IN/MIDIN SW board
m
MC board
connect board
head (B) board
HCD-FL7D
9 9
video board
SUB TRANS board
TRANS board
9 9
DSP board
INIT/count SW board
MB board
loading motor board