HCD-RV7/RV8
27
27
7-6.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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 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 produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: REC
J
: CD PLAY (AUDIO)
L
: CD PLAY (VIDEO)
q
: MD/VIDEO (AUDIO) IN
j
: GAME INPUT (AUDIO)
k
: GAME INPUT (VIDEO)
f
: AUDIO OUT
N
: MIC INPUT
• Abbreviation
EA
: Saudi Arabia model
MY
: Malaysia model
SP
: Singapore model
TH
: Thai model
• 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.
• VIDEO board is multi-layer printed board.
However, the patterns of intermediate-layer have not been
included in diagram.
• Indication of transistor.
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.
MOTOR board
SENSOR (CD) board
DRIVER board
BD board
SW board
HEAD (A) board
HEAD (B) board
MAIN TRANS board
SENSOR board
SUB WOOFER board
(HCD-RV8)
TUNER PACK
MAIN board
POWER board
PANEL board
CD SWITCH board
CD OPEN board
PAD SWITCH board
GAME IN board
VOL board
VIDEO board
SUB-TRANS board
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