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21
HCD-DV2D
HCD-DV2D
SECTION 7
DIAGRAMS
• Circuit Boards Location
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.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– MPEG Section –
No mark: DVD STOP
– Other Section –
No mark: FM
< >
: TAPE REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
E
: PB(TAPE)
a
: REC(TAPE)
J
: DVD (AUDIO)
c
: DVD (RF)
I
: DVD (DIGITAL)
h
: TV IN
L
: VIDEO
q
: R,G,B
• Abbreviation
AUS
: Australian model.
CND
: Canadian model.
E2
: 120 V AC area in E model.
E3
: 240 V AC area in E model.
E51
: Chilean and Peruvian model.
KR
: Korea model.
RU
: Russian model.
SP
: Singapore model.
TW
: Taiwan model.
For Printed Wiring Boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
B
These are omitted.
C
E
Q
Note:
The components identi-
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
MAIN board
POWER board
AMP board
MPEG board
HP board
AV board (AEP, UK, RU)
AV board (EXCEPT AEP, UK, RU)
KEY board
www.freeservicemanuals.info
07/11/2016
Published in Heiloo Holland