MHC-V02
MHC-V02
24
24
Note on Schematic Diagram:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 V or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
•
f
: Internal component.
•
2
: Nonfl ammable resistor.
•
5
: Fusible resistor.
•
C
: Panel designation.
• Note for Printed Wiring Boards and Schematic Diagrams
•
A
: B+ Line.
•
B
: B– Line.
•
H
: Adjustment for repair.
• Voltages and waveforms are dc with respect to ground under
no-signal (detuned) conditions.
no mark : TUNER
( ) : CD PLAY
{ } : DVD PLAY
[ ] : USB
< > : Bluetooth
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
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
f
: TUNER (FM)
d
: USB
J
: AUDIO DIGITAL
N
: MIC
C
B
These are omitted.
E
Q
t
Indication of transistor
D
G
These are omitted.
S
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note :
When the MOTHERBOARD mounted pc board
is replaced, be sure to refer to “DESTINATION
SETTING METHOD” and “NOTE OF REPLACING
THE MOTHERBOARD MOUNTED PC BOARD” on
page 5.
Note:
The components identifi ed by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specifi ed.
Note:
Les composants identifi és par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifi é.
• Circuit Boards Location
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• MOTHERBOARD board is multi-layer printed board. However,
the patterns of intermediate layers have not been included in
diagrams.
PANEL board
VFD_IR board
SPK LED board
SMPS board
MOTHERBOARD board
SYS SET
2019/02/28 22:48:45 (GMT+09:00)
