Sony TC-WR645S - Page 16

TC-WR645S
5-4.
SCHEMATIC
DIAGRAM
(MAIN
SECTION)
:
,
1
2
3
4
s)
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
sas
een:
me
MEE
a
TS
st
ST
enn
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en
ee ee ne | A | LT |
ee
]
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>
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OSC
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AMP
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R.BUT & R-CH
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Note
:
M -7.5v ooTER i Z x ll 2 BOARD (2/2)
H | sss Papa pea ok ae J - All capacitors are in u F unless otherwise noted. pF: » wy F
ent i ac 50WV or less are not indicated except for electrolytics and
aa a 1
Ss BAZ beak: “pat IN tantalums.
AQ CONT 0 = \ H : 7 A
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1
A
*
All
resistors
are
in
Q
and
14W
or
less
unless
otherwise
Sas , a ao cont 1 © g |S SV FT UL-72 B ReG Pret aie specified
p7-4
Q841,
842
4
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TR
A
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.
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GNa | pir : q { O © ! I .
ie R-cH REC) NAST can i | | L = era arene 5 Fee 8 * A: internal component.
AUBIO BOARD ‘ : | S.REEL @) O.1e j rer $801 H AEP, G MOBEL H
RELAY Ve ~\ : | vc fou | : i i t : :
Weck 3) te }_17-*” ee @ pial ee ero) REEL _B? | pie ee ee ) PER po | * [WWF : fusible resistor.
- Sie 3s DIRECTION SW t | C807 ! CONT 1 @) a) xa v2 | xe ¥3 | SYSTEM CONTROL 1.8) : OFF ON UK, Austration MO@EL
8e age ; 4 1 1
NC i Regi} | | eennn-- ; O:KEY 4.2 9 1:KEY 34 { | - a 1 it ' Note : Note :
| BIAS CALIBRATION 4 a(esy Wh ok Sot tenner peed rates eee Mae boua : . ay
eee, aren wie! | | x 2:HALF AB 3:METER LR 1c80! nsos ingison Gy || ha , The components identi- | Les composants identifiés par
TYPE i : I | i eo hTERT : J Gupezzenorss . ee eee 4802 . aaa aa a ac fied by mark or dot- une marque sont critiques
0 a ; ef e yi a | 2G X01 TONHz ri) . | 0802 1N4148N 2803399 ae a pee e*
ae Lead ie eal A801 INSI4EH gl |r VFA ARIVE t ges ted line with mark pour la sécurite.
:
Bane
IN|
are
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for
safety.
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les
remplacer
que
par
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€
A
Replace
only
with
part
piéce
portant
le
numéro
spéci-
uate rr 4 ames 1 vseot number specified. fié.
fess 27k
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27k
ie
H
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P aa accra od om es mt :B— Line
R848 62k 20V
res7 zoe {| fond thie pei pop pia II SB BIR OBS sl sf asa] al & 1 ° | _}| } adjustment for repair.
Ras 15 ‘ : ‘
ie
;
5
GG
ROAR
POET
CEN
EA
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Be
ent
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Ae
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}
¢
Voltage
and
waveforms
are
de
with
respect
to
ground
under
. = . aus
a]
<
3
no-signal
conditions,
2s
=|
>
no
mark
:
STOP
Poche 0 . aay; a
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STOP
gw
:
-
ro
;
Pe
HH
——
¢
Voltages
are
taken
with
a
VOM
(
Input
impedance
10M
Q
),
To
as
)
=e
ee
|
fd
706
Gi
Voltage
variations
may
be
noted
due
to
normal
production
SW-B
BOARA
®
ae
ees
fr
iteiy
JU
TT
|
—
+5V
GYS)
tolerances.
.
(CNP81) ae { i as Be \ ¢ Waveforms are taken with a oscilloscope.
<See Page 32> 45V es ine Voltage variations may be noted due to normal production
R RELAY ORIVE
S.REEL ; tolerances.
see * Circled numbers refer to waveforms.
GNO MOTER) ; e Signal path.
; = ql c> oFM 3> :PB(DECKA)
= a gc rh is — — —— Be ee ene eens, eS re ee ee pe ee ey ee ee en oo oe $y : REC ( DECK B)
S
|
Pee
S
RAGE
Reece
cass
ate
See
Se
ROR
ST
SRA
ES
[>
:PB(DECKB)
< wo
°G: German
AUS : Australian
SWITCH BOARD To
{CN802) PANEL BOARS
<See Page 3|> (CNP804)
<See Page 3I>
—
23
—
~
4
— —
25
—
—
26
—
—
27
—