Sony RDR-HX510, Руководство по обслуживанию

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RDR-HX510
4-4
4-3
W
A
VEFORMS
A
V
-089/ER-036/RD-053
(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
.
•
All resistors are in ohms
, 1/4
W (Chip resistors :
1 /10
W) un-less
otherwise specified. 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.
•
All v
a
riab
le and adjustab
le resistors ha
v
e
character
istic cur
v
e
B
,
unless otherwise noted.
•
2
: non flammab
le resistor
•
5
: fusib
le resistor
•
C
: panel designation
•
f
: inter
nal component.
•
C
: adjustment f
or repair
.
•
U
: B+ Line
•
V
: B– Line
•
Circled numbers ref
er to w
a
v
e
fo
rm
s
.
•
V
oltages are dc betw
een measurement point.
•
Readings are tak
en with a color-bar signals on D
VD ref
erence
disc.
•
Readings are tak
en with a digital m
ultimeter (DC 10MW).
•
V
oltage v
a
riations ma
y be noted due to nor
mal production toler-
ances
.
THIS NO
TE IS COMMON FOR SCHEMA
TIC DIA
GRAMS
(In addition to this,
the necessar
y note is printed in eac
h b
loc
k)
When indicating par
ts b
y
ref
erence n
umber
, please include
the board name
.
4-2.
SCHEMA
TIC DIA
GRAMS
W
A
VEFORMS
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.
AV-089
BOARD
30.5 us
1.6 Vp-p
1
IC604
0
100 ns
4.2 Vp-p
2
IC604
qs
ER-036
BOARD
H
1.9 Vp-p
1
IC103
ql
H
0.8 Vp-p
2
IC104
qg
H
1.6 Vp-p
3
IC104
ql
54.3 ns
3.7 Vp-p
4
IC301
6
RD-053
BOARD
30 us
1.7 Vp-p
1
IC104
@
(JL128)
37 us
4.4 Vp-p
2
IC1001
4678
37 us
3.8 Vp-p
3
IC1001
qs
40.8 us
4.4 Vp-p
4
IC1001
qfqg
40.8 ns
5.1 Vp-p
5
IC1001
qkql
81.3 ns
4.6 Vp-p
6
IC1001
w;
A2