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– 35 –
– 36 –
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• 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 pro-
duction tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
g
: VIDEO/MD
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
m
: CHROMA
n
: Y
o
: VIDEO
J
: CD
c
: digital out
• Abbreviation
EA
: Saudi Arabia model.
SP
: Singapore model.
MY
: Malaysia model.
HK
: Hong Kong model.
TW
: Taiwan model.
IA
: Indonesian model.
IC101
(§
MDP
1
2
3
4
WAVEFORMS
– CD SECTION –
IC101
#§
RFAC
IC101
@¶
TE
IC101
@ª
FE
1
2
IC801
2
X-OUT
IC601
8
X-OUT
3
IC851
2
TX
– DISPLAY SECTION –
1
2
IC501
!£
XT2
IC501
0
X2
– MAIN SECTION –
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Indication of transistor
C
These are omitted
E
B
1.3Vp-p
APPROX 500mVp-p
2.5V
APPROX 200mVp-p
2.5V
2.6Vp-p
7.5
µ
sec
1
2
3
4
IC505
&∞
COUT
IC505
^ª
YOUT
5
6
7
8
9
!º
IC509
!¶
BCLK
IC509
!ª
LRCK
!¡
!™
!£
IC502
!£
XOUT
5MHz
5.5Vp-p
32.768kHz
5Vp-p
8MHz
4Vp-p
8MHz
4.3Vp-p
4.09MHz
3.6Vp-p
4Vp-p
10MHz
IC402
@º
XOUT
4Vp-p
8MHz
H
1Vp-p
2Vp-p
H
IC401
7
COUT
IC401
1
YOUT
2Vp-p
H
J302 VOUT
H
1.2
Vp-p
IC509
1
XT1
27MHz
5.8Vp-p
4.6Vp-p
44.1kHz
4.8Vp-p
2.11MHz
IC504
8
384FS
4.8Vp-p
33.8MHz
IC504
6
27M
3.8Vp-p
27MHz
2.8Vp-p
33.8MHz
IC504
!™
– VIDEO SECTION –
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Q
C
These are omitted
E
B
H
1Vp-p
Содержание HCD-V818
Страница 8: ... 8 This section is extracted from instruction manual ...
Страница 32: ... 41 42 HCD V818 8 5 SCHEMATIC DIAGRAM DECK SECTION See page 86 for IC Block Diagrams Page 56 ...
Страница 33: ... 43 44 HCD V818 8 6 PRINTED WIRING BOARD DECK SECTION See page 22 for Circuit Boards Location Page 53 ...
Страница 50: ... 77 78 HCD V818 8 26 SCHEMATIC DIAGRAM PANEL SECTION Page 76 Page 76 Page 75 ...
Страница 52: ... 81 82 HCD V818 8 28 SCHEMATIC DIAGRAM CD MOTOR SECTION See page 86 for IC Block Diagrams Page 58 Page 58 ...