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Sony TC-K222ESG Service Manual page 17

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TC-K222ESG/K850ES
4-6. SCHEMATIC
DIAGRAM
— MAIN SECTION —
1
2
3
4
5
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
TO MAIN (A} BOARD
FG COIL
00
Collector
24K
RI38
RI40
180
10K
|
G3)
3)
DI3!
ics01
Qlol 2SD2I44s)
S01 2sD2144s
rooiz | reo2e
Sn53z
\o/sov
RI
aoe
aan
\
ee,
PB EQ SWITCH
CAL SWITCH
10K
a7k
22k
a sieg
UJ
(NON-POLAR)
F47K
ms
Al ol
es
Q132
el eon
M50964-220SP
'
Q502 DTCII4ES
me
Ea
UP
a)
pos |e | 2,
ASTER
r
cza CN9SI(2P)
SWITCHING
:
HC131
+2
:
ai
:
we
RSI4 a7K
:
RI37
DI3I, 0231
T33/50V
Q8i4
Q80!-803
iC802 |
[Sole ARATOR]
'LBiov cane oe
cs
S.
pee:
(ar
hs
cae
ree Le
=
ee ap
als
|
-
\cos|
MANMEe
mec
NyM4580D-D
@/2)
TOK /|
Cy
REEL MOTOR
aaa
120K
os
REC EQ AMP
RV555_5K
cl67
86
a
| IC804 |
KBOARD
—8 46
a
cr
fies Das
DOLBY AMP
(r)
Wan
aie
®
t
LBI64!
C1053 0.1
Se eu
57
ROSSB
48 | po57
RVISI
\
O
R238
R240
ASIST MOTOR
aS\
.
47
IK
C169
ri7a\iox_[
]
a!
Lt
y+
Pha
023! |80
tok
J551-|
+345
16X78) (9110)
S31 lL
JyGls
10K
HRPSO! (2/2
crn
Ms
ae
10/50V
6.8K
aaa
pee
")
Ress
R150
SL"
518
(mw) M002
Jal 7
R9538/ b +{C953
Cy
*
7
rs
lens7a tox | 974
=
IK
LINE
ey)
feo]
MoroR = [SS
120K
= 100
4
ED
i.
aint — '| cee
=
tT
i
C806
.
°
or,
25V
L-CH "=
i
RI80
G6)
ave
ean
QI3!
2SD2144S
—- TOSHIELOING
(ouTPUT,
10K
0.1
He
C178
4.7K
0
irs
LINE MUTING
PATTERN
m0
[lac
| tas [ci0si torsov
:
180P
39K
Riz
0231
2
—_ US,
Canadian
1C803
:
:
a
€550
S.¢
in
Ea
RI78 56K
"
3.3K
_
> |
Collector (R-CH)
Q503
DTCi44ES
Sop
a
MODELS
mk.
BAG62I9B
O
O
aay
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oT 6
0
MONITOR SWITCHING — ©
Py
6 |
REEL MOTOR DRIVE
(wm) Mio
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el
ci66
a7) Boy _°85 WO/5OV
Bex
[eANe. (Cl [bONEL ID) ]
ve
Q816 2SAI3I7
ae {062
[OI
nen agoa
0.
;
i) 28!
BOARD 4 ABOARD(1/3)
!
| ta
9808 2SAl3i7
sree oaNtes
cl68E Tars0v
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(Op 07
QS as
ae
of
ic
IK
-
07
~ Chev)
Tons! Rist
J551~2
1SS132
:
|
MOTOR CONTROL
a
5 _| Rios! 390
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Nad] | aise esoziea
lovesv JES]
7260
o F
18S)
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ne
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||
Pete
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as
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2
=
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me
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ae
22k
aes
a
sk
| RRR
SWITCHING
x
5 ps Saar
ORES eS,
om
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rd |
72
>
CD DIRECT] 4
Wa:
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ed
LR
casseTTe
L]_
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neh
=|
OFF
R640 33K
it)
9
| | [ow
i
rT] | | [| 0806
resa7k
264) Ax
RBI
SRI
LAMP
Ist
ai,
deg
cngo2
F
=
;
:
r) 3
10k
9.1K
(SLF~325¢)
rtd
maar
a
Ts)
a
1) 3
amet Lea)
88
ro
:
RV803
<
eS
ee
ee
ORNAMENTAL PL.
CH
isms reac
peso |
(aa
need
(eae
oe 95)
Re6 470
i
a
a
:
a
|
J
-D
:
Ba
Di
A
cee
Q551 DTAII4es
IC562
d_ UT eure
it
Led
a
eer
Lt |
ae
sama
Note on Schematic Diagram
.
QI53~155
HO
eae
Reraror
wee
4
dso
RV552-1
=
INPUT
>
2
ee
eae ce
"
D805
, D806 ISSI32
|
PS Alle ccomets seamen Eta
|
$1002 (DOOR)
®
All
capacitors
are
in wF
unless
otherwise
noted.
pF: wuF
$
CALIBRATOR
x
=
7
.
.
:
ne £0 SELECT
©
Ge?
:
EAN
!
oa
oe
L
_
||
aon ee
50WV
or less are not indicated except for electrolytics
Riss
areas
o f f . . .
| B
:
x6
t
o— | toes
S
Bana
a
+}
et
Fy
sioot
id
e
All resistors are in 2 and 1/,W or less unless otherwise
REE OK
3
Lt ovsse_
ge ho
;
+:
ft
i eee
OI ENRODER
specified.
B+
RIS4
Bal
:
a
+
| ce "a shine
~
i.
=
NEE
TC
a
@
Components for right channel have same values as for left
a
a
R565 4.7K
:
=
as
=
\
Bote
338
[eias]
%
CH r,
6
[PANEL(A)BOARD(2/3)]
sig
pol Pir iag
[MD BOARD (2/2)]
channel,
Reference numbers are coded from 201
to 299.
2.2mH
:
f
<
-
Bt
°
4:
internal component.
i
(Ar)
-e7 {
PANEL(A) BOARD(3/3)]
sate
Peeenes
eNbesti/2!
aes eo erkene
ant
r7o!
+L¢701
0702
oe
:
:
C56!
cw)
i
Ro] z|
OFF
O
4.7K
47/50V >
J. ospl lig
(tol
Be
°
feed : nonflammable resistor.
1
}
>
0
5
+
0
ra)
F
i
CN562
PCI297CA
g
j
tal
{
-08S>
C702. ~25 REG
@
{~~}: fusible resistor.
PI
BRO
nos | Ste (Sp.
aor] 0568
ON
'
To PANEL (A)
|
100/50V
QI56_DTCII4ES
+O,
572
Q603 2SK246
ps
ate
:
:
sii
ces
ea chet
kHz]
BOARD (2
}
e-
carve
R914 [RIB
Note:
.
5
Note:
P
se
"
ee é
[satz]
BOARD (2/3)
D605 HZS6C3L
D606
1SSI32
an
cone
«|_|
=
0S 08
The components identi- | Les composants identifies par
108 -88
5K
Lips7! ea
oe
or
>
!
CAPSTAN MOTOR "GaK
g
fre. 6906
"
iiss bY Heat
of dots
une
meraue 7 sont critiques
ml O
.
;
=
Q809
m
'1
DRIVE
S
II6V
C307 |C909)
te
ine
with
mar
pour
ta securite.
[BIAS]
R574
[DOLBY NR]
ae
coop ter ils
HESO!
>
es
QTCHaES
(CALIBRATION)
Zh
CTT
(BouBY ne]
7
=
s
OTCIIES.
5/8
i
es
aaa
are critical for safety.
Ne les remplacer que par une
ee.
"4%
"84 Und) 0870
eqn
"
.
Pe
Ae
+
|
DETECTOR
4} | th
ead
joriey
Replace only with part | piéce portant le numéro spéci-
0561 9,
Slices
08
| ars
© a6o1} "°° |
a6o3
5
Iggit
a6!
D60!
a
135 50y
iE
bee ae
number specified.
fié.
°
oR
S
pay
-~
82K
1
47K
R569
. Ror?
ee
§|
3
+ 0608,
e
98
¢i
15 Pa Als
0602
Cy)
2
-88
CURREN
4.3K
:
22000
Fes
q
2,
$
wy,
T701 (2/2)
D707
3
Pe.
B+
Li
rys74s]
35V
S22
602
R6OI
A
D701 - 706
J
B +
+
ine
aE
'Potion dese
Pas eg
Lee
= ] = | |g 2608
:
+ h css
i
(OE2N
ERASE
047/50V
-8.8
(rs
Yee
0604
Q610
3300
IL
t
I
@
: B-
Line
CURRENT
tL c563
6.8K
(Ay)
(Ap)
-88
D526
9:
0
25V
D7IS HZSI26
D707
!
lo/50v
ay, ~88
ely,
"87
ISS132
D522
$523-2-1
1
Part)
6.4
hot
(A
Q610
nee
'
!
T701 (1/2)
HZS6C3L
: agen ee
Ste See
eee
71
:
:
'
320 OOH
¢
Wn
DT CIES
1 |] 4 'power
e
: adjustment for repair
28
88
azo
etl
ime
520,522 DTAII4ES
ts
foorov
#0605
#0606
DELAY SW
SiGe
hy
eas
D708 1SSI32
CALIBRATE SWITCHING
OFF.
FORMER
D709 l0E2N
'
Voltage and waveforms are dc with respect to ground
++
+
R530 47K
CN522 (~™3] NOSI7
H
Q60I 2SC2275
ba
pigs
(
!
d
ignal (det
d)
diti
2s
'
o
,
<
vsooi A
ne
nditions.
.
;
Q525 DTAII4ES aus sw
524 oTcii4es
U4
"
1)
qo? —_ REGULATOR
SS iDIane
yt
D7i2—714 ISSi32
under no signal
(detuned)
co
Q561,562
2SC945
Q570
2SCI8I5
Q565, 566, 567
Q526 DTCII4ES cal sw
CAL SW DET
Se
59.9
5
Q602
28D2144S
POWER SWITCHING
I
=
CNP701
no mark:
STOP
osc
REGULATOR
DTCII4ES
,
A)
REGULATOR
Lees
D708
1
TeEXCEPT E MODEL
"Er A |
- PLAY
BIAS SEL SW
Lt
R608
pa
0605 2SC2458
Reg
oa
ds
iPore eo
7
Acie
ues
):
PL
[C561
PIN ®-®
REC
B= |
D563~D566_
ISSI32
AMS
eee
rah
"94
cS
REGULATOR
2
Q705
2SC2458
.
E
!
«
»:
REC
=
=
35V
REGULATOR
=
!
CNP70!
j
i
Ww]
park Weades
0568569 DTCIa4ES
a I |
nsor
(ok
0604 DTCIM4ES
rs00 )\
ae
a
|
ie
Rata
e@
Voltages are taken with a VOM (Input impedance
10 MQ)
Q572 DTCI44ES
CALIBRATOR SWITCHING
C0609
&
i
yyy Sol
|
:
'
I
Voltage variations may
be noted due to normal produc-
BIAS SEL SWITCHING
>
=
2
ribs
pw
ey
3s z
,
fe =
oh.
2
Ilk
|
,
.
;
< 12 >
Q609 250985
Q608 2SAI409
Q606 2SAI3I7
Q607 2SK246
12 | J
EIS
cat
f
Q707 2$C2458
708 2SDI76!
~b-;------
see
EES COPEL PUE Dita
ae
i
HOT AQ Ier ees:
13
SPECULATORS
D60i~604
ozo}
bed LO Sod
D7H
=UZP8.2BB
REGULATOR
REGULATOR
en7orp
&
:
@
Signal path.
mS
=
os
_
500F 2
;
J! 2 3.4 5 de dr ds le
REC ~ OFF — PLAY
OFF ~ ON
a
:
>
PB
a a
,
Nt
a
es)
:
Cle TO MAIN (B) BOARD
|
BOARD
BOARD
y>>
: REC
TO PANEL(A)
OD Sis

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