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Sony MHC-D7 - Page 41

Sony MHC-D7
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HCD-H881/H881D
DIAGRAM
—
BD
SECTION
—
@
Refer
to
page
52
for
Waveforms.
@
Refer
to
page
73
for
IC
Block
Diagrams.
!
OPTICAL
PICK-UP
BLOCK
[
BD
BOARD
}
KSS-213B
4
101,
102
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BRIVE
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TRACKING
COIL
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LOAD
OUT:0.3
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4
MOTOR
3
¢
-
All
capacitors
are
in
ys
F
unless
otherwise
noted.
pF:
uy uw
F
$801
. .
.
open
sy
OP
1
50WV
or
less
are
not
indicated
except
for
electrolytics
and
1
MOTOR
BRIVE
OPEN
tantalums.
1C801
SP+
.
*
.
BABZBEN
|
ep
9
-
All
resistors
are
in
Q
and
1/10W
or
less
unless
otherwise
EC
vf
Miot
specified.
ome
SPINOLE
E3
@®
Mnarar
LOABIN
!
g
:
Note:
Note
:
!
LOABOUT
ipeheccatad
The
components
identi-
|
Les
composants
identifiés
par
ie
(Page
39)
map
fied
by
mark
ordot-
|
une
marque
/f\
sont
critiques
ted
line
with
mark
pour
la
sécurité.
are
critical
for
safety.
Ne
les
remplacer
que
par
une
——_
!
I
Replace
only
with
part
piéce
portant
le
numéro
spéci-
FOCUS/TRACKING
COIL
BRIVE
ifi
i
RANG
co
number
specified.
fié.
MOTOR
BRIVE
.
[B+
|
:
B+
Line
.
C_]
:
adjustment
for
repair.
{MOTOR
(TURN)
BOARD)
a
eae
[SENSOR
BOARD
]
2
54641
|
BH,
©
!
1C701
oP
2
iy
=
8
-
Voltage
and
waveforms
are
dc
with
respect
to
ground
under
Bsizeez
as
:
ae
R701
ic702,
MOTOR
RIVE
I
no-signal
(CD)
conditions.
R702
(1C703]
e20
RPI1391
A
ee
is
a
|
1
PODPODOD,
|
[CONNECTOR
BOARD]
|
etnaiee
ERY
(eb)
;
[r
;
SENEOR
>
>
©
i]
:
1
T
0
po
—
es
caves
I
*
Voltages
are
taken
with
a
VOM
(
Input
impedance
10M
).
ois
TaN
oro
|
Byer
ee
s
ae
fap
BAz:!
1
Voltage
variations
may
be
noted
due
to
normal
production
CLLLILRLIZIZA
x
2
°
+7V
2
Y
o
|
|
c702
lo
Lo
foetal
TBLR
tolerances.
!
cN705
cN706
Wy
°
TBLL
+
Waveforms
are
taken
with
a
oscilloscope.
1C702
rk
gE
aside
i
-
MGN
F
LA
i
I]
HY
|
me
iB
Voltage
variations
may
be
noted
due
to
normal
production
4.8
ay
|
Sar
EsPeNeoe
Lo
|
|
I
rl
TBLSENS
MAIN
BOARD
tolerances.
a
I
ml
CI
Pa
ee
CN202,
*
Circled
numbers
refer
to
waveforms.
eal
1
mal
at
cay
oF
[oy]
BISCSENS
(Page
40)
+
Signal
path.
4
4
1
8 8
02
2S
=
ea
70s
i)
|
a8
wp
:CD
INVERTER
—
90
—
coat
ie