Sony RMT-V259M, Руководство по обслуживанию

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SL
V
-SE850/SF900/SF950/SF990
(For printed wiring boar
ds)
•
b
: P
atter
n from the side which enab
les seeing.
(The other la
y
ers' patter
ns are not indicated.)
•
Through hole is omitted.
•
Circled numbers ref
er to w
a
v
e
fo
rm
s
.
•
There are f
e
w cases that the par
t pr
inted on diag
ram
isn’t mounted in this model.
•
Chip par
ts
.
(For sc
hematic dia
grams)
•
All capacitors are in
µ
F unless otherwise noted.
pF :
µµ
F.
50V or less are not indicated e
xcept f
or electrolytics and
tantalums
.
•
Chip resistors are 1/10W unless otherwise noted. k
Ω
=1000
Ω
, M
Ω
=1000k
Ω
.
•
Caution when replacing chip par
ts
.
Ne
w par
ts m
ust be attached after remo
v
al of chip
.
Be careful not to heat the minus side of tantalum capacitor
, Be-
cause it is damaged b
y
the heat.
•
Some chip par
t will be indicated as f
ollo
ws
.
Example
C541
L452
22U
10UH
T
A
A
2520
•
Constants of resistors
, capacitors
, ICs and etc with XX indicate
that the
y are not used.
In such cases
, the un
used circuits ma
y be indicated.
•
P
ar
ts with
★
diff
er according to the model/destination.
Ref
er to the mount tab
le f
or each function.
•
All v
a
riab
le and adjustab
le resistors ha
v
e
character
istic cur
v
e
B
,
unless otherwise noted.
•
Signal name XEDIT
→
EDIT
PB/XREC
→
PB/REC
•
2
: non flammab
le resistor
•
1
: fusib
le resistor
•
C
: panel designation
•
: inter
nal component.
•
U
: B+ Line
.
•
V
: B– Line
.
•
Circled numbers ref
er to w
a
v
e
fo
rm
s
.
•
Readings are tak
en with a color-bar signal input.
•
V
oltage are dc betw
een g
round and measurement points
.
•
Readings are tak
en with a digital m
ultimeter (DC10M
Ω
).
•
V
oltage v
a
riations ma
y be noted due to nor
mal production
toler
ances
.
•
C
: adjustment f
or repair
.
•
Circled numbers ref
er to w
a
v
e
fo
rm
s
.
THIS NO
TE IS COMMON FOR PRINTED
WIRING
BO
ARDS AND SCHEMA
TIC DIA
GRAMS.
(In addition to this,
the necessary note is
printed in eac
h b
loc
k.)
C
BE
5
64
2
13
5
46
2
31
45
2
31
12
4
53
3
21
3
21
3
21
T
ransistor
Diode
Kinds of capacitor
T
emper
ature char
acter
istics
Exter
nal dimensions (mm)
When indicating par
ts b
y
ref
erence
n
umber
, please include the board name
.
Note :
The components identified b
y
mar
k
0
or dotted
line with mar
k
0
are cr
itical f
or saf
ety
.
Replace only with par
t number specified.
4-3
4-4
3
IC260
7
PB
1
IC260
4
REC
4
IC260
9
REC
0.5Vp-p
2V
3.6Vp-p
140mVp-p
0.1
µ
sec/div
40msec
5
IC260
0
REC
280mVp-p
2
IC260
5
REC/PB
3.6Vp-p
H
H
5.5Vp-p
450msec
es
IC160
uj
T REEL TAPE TOP PLAY SP MODE
ed
IC500
7
REC LINE IN
1.0Vp-p
H
eg
IC360
eh
REC
3.6Vp-p
1
µ
sec/div
1kHz
(1kHz 0dB TEST TAPE)
ef
IC360
qh
,
qj
PB
eh
IC360
ra
1.2Vp-p
40msec
1.8Vp-p
4.4Vp-p
5.0Vp-p
40msec
3.3msec
1.3msec
5.0Vp-p 5.0Vp-p
wh
IC160
rs
REC/PB
80msec
wj
IC160
rg
REC/PB
16MHz
wk
IC160
rh
REC/PB
25
µ
sec
wg
IC160
wg
REC/PB
4.5Vp-p
e;
IC160
yg
PB
wl
IC160
rj
REC/PB
e;
IC160
yg
REC
70mVp-p
5.6Vp-p
40msec
6.0Vp-p
1.4sec
ea
IC160
uh
S REEL TAPE TOP PLAY SP MODE
qk
IC001
4
REC/PB
ql
IC001
qk
REC
2.3Vp-p
H
ql
IC001
qk
PB
2.0Vp-p 2.2Vp-p
H
H
w;
IC001
w;
PB
440mVp-p
H
wa
IC661
qd
REC/PB
5.0Vp-p
V
ws
IC661
el
REC/PB
wd
IC661
th
REC/PB
5.4Vp-p 1.8Vp-p
H
17.73MHz
5.0Vp-p
wf
IC160
1
REC/PB
40msec
6
IC200
1
PB
8
IC200
5
REC
400mVp-p
20msec
470mVp-p
0.1
µ
sec/div
H
7
IC200
2
REC
280mVp-p
qd
IC200
wj
REC
2.4Vp-p
H
qs
IC200
wg
REC
qs
IC200
wg
PB
2.2Vp-p
H
H
2.2Vp-p
qa
IC200
ql
4.4Vp-p
H
q;
IC200
9
,
0
PB
540mVp-p
H
9
IC200
6
PB
V
q;
IC200
9
,
0
REC
440mVp-p
H
260mVp-p
9
IC200
6
REC
340mVp-p
V
qd
IC200
wj
PB
2.0Vp-p
H
qf
IC200
es
,
eh
REC
qg
IC200
ya
REC
1.0Vp-p
H
H
320mVp-p
qg
IC200
ya
PB
300mVp-p
H
qh
IC200
yd
REC
340mVp-p
H
qh
IC200
yd
PB
320mVp-p
H
qj
IC200
yl
REC
520mVp-p
4.43MHz
qj
IC200
yl
PB
440mVp-p
4.43MHz
MA-388
BOARD