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MHC-V3/V4D
MHC-V3/V4D
43
43
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
:
USB
E
:
VIDEO
a
:
BLUETOOTH
J
: CD PLAY
N
:
MIC
• Abbreviation
AR : Argentina
model
AUS : Australian
model
E2
: 120 V AC area in E model
E4
: African
model
E51
: Chilean and Peruvian models
EA
: Saudi
Arabia
model
MX : Mexican
model
MY : Malaysia
model
SAF : South
African
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
E2
: 120 V AC area in E model
E4
: African
model
E51
: Chilean and Peruvian models
EA
: Saudi
Arabia
model
MX : Mexican
model
MY : Malaysia
model
SAF : South
African
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
• Waveforms
– ARAGON Board –
1
IC001
2
(VBST1)
5 V/DIV, 500 ns/DIV
18.4 Vp-p
2
IC001
qg
(VBST2)
5 V/DIV, 2
P
s/DIV
18.4 Vp-p
6.4
P
s
3
IC002
2
(VBST1)
5 V/DIV, 2
P
s/DIV
19.8 Vp-p
5.8
P
s
4
IC002
qg
(VBST2)
5 V/DIV, 2
P
s/DIV
18.4 Vp-p
5.8
P
s
2.7 Vp-p
81 ns
5
IC101
qf
(AUDIO_CLK_OUT)
500 mV/DIV, 25 ns/DIV
354 ns
3.3 Vp-p
6
IC101
wf
(SSI3_BCKO)
500 mV/DIV, 100 ns/DIV
3.4 Vp-p
20.8
P
s
7
IC101
wh
(SSI3_LRCKO)
500 mV/DIV, 5
P
s/DIV
3.6 Vp-p
20.8
P
s
9
IC101
e;
(SSI0_LRCKO)
1 V/DIV, 5
P
s/DIV
3.4 Vp-p
22.7
P
s
qj
IC301
<zzm
(ALRCK)
500 mV/DIV, 5
P
s/DIV
324 ns
3.6 Vp-p
8
IC101
wl
(SSI0_BCKO)
1 V/DIV, 100 ns/DIV
352 ns
3.6 Vp-p
qh
IC301
<zzc
(ABCK)
1 V/DIV, 100 ns/DIV
3.52 V
23
P
s
q;
IC101
eg
(LCD-CLK)
1 V/DIV, 100
P
s/DIV
qa
IC101
yk
(RTC-X2)
50 mV/DIV, 10
P
s/DIV
30.4
P
s
140 mV
qf
IC301
8
(XTALO)
500 mV/DIV, 20 ns/DIV
37.2 ns
1.2 Vp-p
1.03 Vp-p
75 ns
qs
IC101
ua
(XTAL)
200 mV/DIV, 25 ns/DIV
1.06 Vp-p
81.5 ns
qd
IC101
os
(AUDIO-X2)
200 mV/DIV, 25 ns/DIV
2.7 Vp-p
59 ns
qg
IC301
<zzx
(ACLK)
500 mV/DIV, 25 ns/DIV
qk
IC301
<zxc
(RFIP)
200 mV/DIV, 100 ns/DIV
(CD play mode)
1 Vp-p
Note 1:
When the DAMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
Note 1:
When the DAMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
Note 2:
When the DAMP board is replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
Note 2:
When the DAMP board is replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
Ver. 1.5