MHC-V7D
MHC-V7D
37
37
Note on Schematic Diagram:
• 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
and
1
/
4
W or less unless otherwise
speci
fi
ed.
•
2
: non
fl
ammable resistor.
•
C
: panel designation.
• Note for Printed Wiring Boards and Schematic Diagrams
•
A
: B+ Line.
•
B
: B– Line.
•
H
: Adjustment for repair.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• 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
f
:
TUNER
(FM/AM)
L
:
VIDEO
E
:
USB
a
:
BLUETOOTH
J
: CD PLAY
N
:
MIC
• Abbreviation
AR :
Argentina
model
AUS : Australian
model
E4
: African
model
E93
: 240 V AC area in E model
LA9 :
Latin-American
model
MY :
Malaysia
model
RU :
Russian
model
TH
:
Thai
model
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.
Note:
The components identi
fi
ed by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number speci
fi
ed.
• Abbreviation
AR :
Argentina
model
AUS : Australian
model
E4
: African
model
E93
: 240 V AC area in E model
LA9 :
Latin-American
model
MY :
Malaysia
model
RU :
Russian
model
TH
:
Thai
model
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 C1210, C1211, L1000 and L1002 on
the 2CH DAMP board are replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
Note:
When the C1210, C1211, L1000 and L1002 on
the 2CH DAMP board are replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
• Circuit Boards Location
PARTY LED board
SPK PARTY LED board
SPK LED board
SPK LED board
BLUETOOTH module
RC-S730 (WW)
REGULATOR, SWITCHING
(SSN-152AD)
IR board
MOTHERBOARD board
MS-476 board
MIC board
LCD board
STR board
2CH DAMP board
GESTURE LED board
GESTURE board
Ver. 1.1
Summary of Contents for MHC-V7D
Page 103: ...MEMO MHC V7D 103 Ver 1 1 ...