Pioneer SX-255R Service Manual - Page 10

MOTHER, TRANS, POWER, SX-205, oecD6, b2cboot.

Page 10 highlights

SX-255R, SX-205 • MOTHER Assy (2/2), SP SW. AND HP. Assy, TRANS Assy, REG Assy and POWER SW. ASsy (for SX-205) To MOTHER assy (1/2) To VOL. assy J2 O PLA' r O REC • O PLAY ,T 9m REC .2 PHONO O PHONIC) - REC o. O F PLAY REC PLAY LD 330 R209 01_ --1 I (H.SCH- 3) \ ; 83 (4.SCH-5) / O 5. . ] -40 G0 a 00O R2 05 yyµµ k R203 N .6 14-1 2 . 2V(.. R201 4223 44231 0 10/50 PHONO EO 0213 4,' „7/50 NJI•455330-0 Pf_214 IC201 c2., 2. 2/50 315025 4 R233 19, At T ITCOR231 Flo i 'J 9 M Jg 13200P 24001, MI_ _ -m 51p 312,24 [2K,32 330 10/50 R202 iM 0 R232 R234 C210 JVJ N' 470 2. 01216 10-0.01 4.7/50 R204 PrO R206 I-12.7V( BUFFER 0221 2.2/50 • M• NSP5 OV 0225+ 1..X50 tc203 N01.59110-0 . . fE.F KELL' 9s !! 444 4~ d s 9 ►444 P C227 Op 2.2/ 0 0222 41/50 0226 ,1„. 8 R208 R210 \ 5. MTZJ POWER AMP 6347 1,.L 0 A KPE9 305 220 03j1 RAA •2.2/50 2502078-T W3. R1301 220 11395 100 1/4 1412 2Vr" R Few 0301 2SC 705-T 3.9 0305 25A114S-T 035A1 :4,1, 0, YO' 2 11 6,2,9255 27 2 35 50P/ 1/ 0307 2502705-7 0 ® 6t1 R363 r 1/4W L 0 A, 0369 O ACN-1 39 A *6/2 R165 ,288.1 4.7 A 9 1, •MTZ03 . 3B MTZJ3. 38 *6351-354 YPW ONLY C) ate 4 R 0 Lt 1/4W R350 4 7 /4'VW A 220 R1304 01302 250207 ▪ry r,o5 IU1121/214 R1306 WK 1 R304 2W 2.2/50 o- - *0401. 1, 2102 ACH7018 AcH1255 ACH7013 AW20086 16/1-263,49,39, AWZBOBB 1.50-216.1901 AWZ51007 23313,P.1 AWZ80,39 (23-205/30/ 40545702 C301 R396 100 1/4W A 0308 C310 2502705-T 525/V00 16 03. Ex 2561145-T 6334 $ 3.9 0 2.7 2552705FT 0302 15 TO 2521145-T 0305 A . • R354 0 N 47 (i) ffi /414 Reg( 6365 14 7 1/4W ,aL tto SAI943 *04 ,, R370 o O ACN-139 2 * ':'C6.200 R~354 31352 4. 7 VI l it 1/4W 14/ 7491 O it 2s2g4 ®A 3411 4.7 O CD R212 05o N KU. KC. SD 01 2505200 02 2505200 03 2561943 04 2641943 6D A R301 2k 1/4 TOW 2905198 2505190 2561941 25.91941 2502 0301 SCH-4 'YFIr."14. mark means to use for SX - 255RZYPWXJ models. "KL.r.'l

  • 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

SX-255R,
SX-205
MOTHER
Assy
(2/2),
SP
SW.
AND
HP.
Assy,
TRANS
Assy,
REG
Assy
and
POWER
SW.
ASsy
(for
SX-205)
To
MOTHER
assy
(1/2)
To
VOL.
assy
J2
13
PLA'
r
REC
PLAY
,T
9
m
REC
.2
-
0
es
2
O
Li
I
U
(f)
Z
A
<
L(1
IL
2
F-
PHONO
PHONIC)
REC
o.
F
PLAY
O
330
R209
01_
O
O
R
yy
2
μμ
05
k
R203
N.
6
R201
--
1
(H.SCH
-
3)
;
8
3
I
(4.SCH-5)
\
/
\
BUFFER
O
5
. .
]
—40
G
0
a
0
0
O
KPE9
POWER
AMP
11395
100
1/4
305
14-1
2
.
2V(
..
4223
44231
PHONO
EO
NJI•455330-0
IC201
O
31
2,24
[2K,32
-
330
10/50
0
10/50
31
5
0
25
4
Flo
0213
4,
„7/50
Pf_
214
c2.,
2.
2/50
R233
19,
At
T
ITC
O
R231
i
J
'
9
M
Jg
13200P
24001
,
MI_
_
—m
51p
O
REC
PLAY
R202
R204
PrO
R206
0
iM
R232
R234
C210
JVJ
N'
470
2.
1
0216
1
0--
0.01
fE.F
KELL'
0221
2.2/50
M
NSP5
OV
0225+
1..X50
tc203
N01.59110-0
9s
!!
444
4~
d
s
9
►444
P
4.7/50
C227
Op
.
.
2502078-T
W3.
R1301
220
220
03j1
•2.2/50
RAA
1412
2Vr"
R
:4,1,
0,
11
62
,
9
,
255
YO'
2
MTZJ
5.
0305
25A114S-T
0
3
A
51
0301
Few
2SC
705-T
27
I
-12.7V(
R208
R210
LD
CD
//
TU.OND
56.6
1
1
FM.COMP
TUNED
OP
ATT
TU.MUTE
FUNC
DA
FUNC
CK
PUNE
ST
STEREO
PLL
CE
PLL
DA
PLL
CK
0.0ND
A.MLITE
s
s
O
R212
05o
2.2/
0
0222
41/50
0226
,1
„.
8
0
0
a
a
O
0
SX-255R/XU
I
X0.
KCXJ,
VPWXJ
ONLY
r
SR
OUT
02203
PM.
004-
220
R1304
01302
250207
R1306
R304
K
W
1
2W
2.2/50
o
- -
*0401.
1,
2102
ACH7018
AW20086
16/1-263,49,39,
AWZBOBB
1.50-216.1901
AWZ51007
23313,P.1
AWZ80,39
(23-205/30/
AcH1255
ACH7013
9
1,
ry
r,o5
IU11
2
1/214
16
40545702
C301
R396
100
1/4W
A
2
3.9
50P/
35
1/
0307
2502705-7
0
6347
1,.L
0
A
®
6t1
R363
r
1/4W
L
0
A,
0369
O
ACN-1
39
A
*6/2
R165
,288.1
4.7
A
4
R
0
Lt
1/4W
N
01
02
03
04
KU.
KC.
SD
2505200
2505200
2561943
2641943
TOW
2905198
2505190
2561941
25.91941
MTZ03
.
3B
MTZJ3.
38
C310
52
5
/V00
03.
2561145-T
6334
$
3.9
0
2.7
*6351-354
YPW
ONLY
C)
ate
0308
2502705-T
Ex
R350
4
7
/4W
'V
A
.
R354
0
N
47
(i)
ffi
/414
Reg(
6365
14
7
1/4W
,,
,,
SAI
943
,L
atto
*04
R370
6D
A
2
k
R301
1/4
R3B3
2
k
1/4W
O
2502
0301
*0317.
0518
YPW
ONLY
0.1
TY
a
rc
SCH-4
'YFIr."14
.
mark means
to
use for
SX
-
255RZYPWXJ models.
"KL.r.'l<C'.
'50"."$"mark means to use for
SX
-
2SSR/KUXJ, KCXJ and
SX-20SZKUXJ,SDXJ models.
OV
K
g
a/
-
DC
DETECT
0403
25017405-T
-55.
3V
040
501740
6
3
04
B4
2.
21,
00F
Off.
2552705FT
0302
15
TO
2521145-T
0305
A
2
o
O
ACN-139
*
''
:C6.20
0
R~354
31
352
1
/
4
4
7
91
4.
7
VI
l
it
1/4W
O
it
2s2g4
®A
3411
4.7
31332
1..mw
O
Lt
a2
4
%V4
/
RC.
vw.
7
71
1
W
ONLY
owl
2.2/50
0404
2902240
RELAY
DRIVE
2.7K
8405
2V
"As
31
406
5
2
,
2.
3
a
P3
D409
KI.O7,16.
OA
•---•
D406
g
MT2
JB
.
2A
1
,.;
D418
Rt
,-
Z.M.
2A
a
F
U
2419
ZJO.24
104OR01
(ANZ03
[R7017LAT
5191
REC)
ASSY
I
NJI.478.12PAS
iI
0
/50
/SO
0420
K1
-
1024
402
39-2.1-3a
04
J9i
KPE3
CN9
,TRANS
ASSY
(AWZ8
097
SX-255R/KUX0.
KCX0
I
5X-2Ds/KUXJ)
(AWZ21378
,
SX-255R/VP1.0
I
—521,2D5/_5127(JL
_ _
_
_
2352
8952
LJ2L
.
SX-2551rPhXd
04_V
t
L
1901
II.
1
XT1
085
-
J1
01
,
712-300-2651-10
402
ER.
136
'
TBA20
(6)
2
poWER+
GNO
411
VNF-091
6
2
PCWER-
23.
BV
D402
siks)
0403
1
11
o
0404
IL',
0405
931
,
ONLY.1W
2403
G406
1/2W
114
.
,2
2
ov
REG
63I0
REG.G
U4
FL
#3,
1 -
L
,tm
(ATS7
"14
,
5X-255R/0106J
5X-205/KUXJ)
I
(ATS7
.16
90-2550/00)(0)
(ATS71:20.
SX-2552/7PWXJ)
CATS]
'17.5X-205/S6RM
PO
T1
WER
TRANSFORMER
PRIMARY
ASSY
I
I
IALLE1369(
50-26516.1CUXJ.
KCXJ
5X-205/KUX.N
(4620901
SX-206/SOXJ)
MWZ840
2
t
SX-255R/YPW)(0)
CN901
AKE7021
1
Noted'
1
.Resistors
Indicated
in
ohm.
1/6W.
tolerance
.±5%
unless
otherwise
noted It(k
ohm.
luhM
ohm
Non
f I
ammabl
type
(PD1/YPNIP***..
1
)
O
,
Non
flammable qui
ok
open
type
CR
FA1
/*P5***1)
2.Capaci tors
Ind
l
sated
in
Captic
i
ty
(uF)
/
Vol
cage
(V)
unless
otherwise
noted
p
pF
Indication
without
voltage
is
50V
(
CKCYX
TX.
CFTXA
M
:
COMA
TY:
CFTYA
NP
CEANP
3.Di odes
Other
diodes (not noted) are
1
SS
2
S
2—TP
MOTHER
ASSY
(2/2)
(AWZ8086
SX-255R/KUXJ,KGXJ)
(AWZ8087
SX-255R/YPWXJ)
(AWZ8088
SX-205/KUX,I)
(AWZ8089
SX-205/SDXJ)
0
CNG
KP010
P
540
54-
549
.126
08220E90
o
SPEAKERS
Rah
O
0,
0
320
00520000
J27
OB8205B0
J26
08920EB0
J24
0B4
2.B0
c9516A90
for
xu.Kc
29016950
for
VFW
f7rKLL
KC
99213:910
for
YPW
22
D3119990
for
5!)
--r
-
321
123
O
5X-205/0204
ONLY
SX-2550/KUX0.
KCXJ
r
_
YPV/X0
ONL
,
I
1
A&1
0
.:
'2
30-1
Z04.70
R408
2412
FtW
2.7k
01
RY401
RELAY
DRIVE
6501044-
R00
AM
1..7
ro
1
k
1
5
0401
01014195
-T
AM
95117
5402
ASH1
021-
SX-205/SOX.,
ONLY
SC
H
4
31
423
1
0407
52
.
1
52'
'57
'
52'
V
1
52'
.
CN4
MATT
r
2
W
%
o
I
31
416
ma
I
%
,
7
I,
3
3k
2
Li
;
a_
E.
C.
To
MOTHER
assy
(1/2)
:sx
-2
.
5
Rlaidgv
,
(.0.SCH-3)
-----
MOTHER
ASSY
(2/2),
REG
ASSY,
SP
SW.
AND
HP.
ASSY,
POWER
SW.
ASSY
(for
SX-2O5)
7V
R409
120
R4
27
/2
2415
556680
A
4
,
T401
;
11
E'
ea
oecD6
-
)eq
,
.)()(b(2)cboot.-
1
5
L
t' (-255R/KUXJ,
KCX,J,
YPWXJ
ONLY
O
°
0
J23
2082
EDO
-122
A•hi,
ul
5X
25931/01.010.
2000
So
-2552/YPWXJ
Alit
223
ATT1
193
To
FL
AND
UCOM
assy
J4(WSCH-6)
YJ
r
CAI
41,1060
L
------------------
EXCEPT
50-2550/(P1S9L1
412
VN5-091
0
0
A
DYY1
0-
00-2651-5G
\,
(masons)
50-2250
KUXJ
11
054
(AVIZe0.7)
so
-259R
VPWAJ
(0e/Zsomm
se
-208
KUXJ
(AWZ000%
SX-2
05
5DXJ
FUJ
REK1
0B5
122,9.
24
AEK1
056
TS.
SA
L2609
001,1095
1
26VS
.
SA
REK1
081
ISSN/S.16A
FU2
REK10,31
1
26V3
.19A
Fu3
REK1
075
1
26V1
OA
AEK1
053
TBOOrnAL290V
REX,
075
1
261/1
.
OA
REK1
075
1253
,
1
.
OA
F04
REK1
075
AEK1
053
REK1U75
REK1
075
1251
.0.4
*Bo
oweL2500
1
25V1
.
OA
1
25V1
.
OA
S1
AKX
-
507
-
VOLTAGE
SELECTOR
1
SX-205/2001
ONLYI
1
767ER
ASST
(AWZ13095
J34
-10
,
35/35
o
1
t;
5
POWER
I
0435/35
122
35
5X-205/KUX,1
5610.1
ONLY
Pi
NOTE
FOR
FUSE
REPLACEMENT
CAUTION
FOR
CONTINUED
PROTECTION
AGAINST
RISK
OF
FIRE.
REPLACE
ONLY
WITH
SAME
TYPE
AND
RATINGS
ONLY.
BROWN
A
BLUE
I
..4
^
'''
7
:A..-2.4
I
:',:gr,111.T.
Tot
,
!
IX-2,05/KUXJ
ScO(J
ONLY
;
sx-25sAiRiika
-
ktRU
'
90-205/%18(.1
ONLY
SIGNAL
MUTE
toe
c„.>:AM
SIGNAL
ROUTE
,
FM
SIGNAL
ROUTE
ligh
,
AUDIO
SIGNAL
ROUTE
=
LIVE
50-2550/KUX.I.
sox.)
SX-205/04X/
*0
129*
6060
J
=
NEUTRAL
SX-259R/YPIOW
04
AC2400
5011.
AC
POWER
CORO
(P051015(SX-255RALUXJ.KO(J
51-205/KUXJ)
(.00811119.5X-259R/Yle10(J)
(AO01187
,
.-205/5DXJ)
SX-205/SoXJ
/C100/120
-127/230/240V
50/50Hz
AKT1
083-
C4
E'
S702
AEG,
017-
5701
ASM
026-
4701
30
A
4,
..
CN7OI
AKR7
001-
S
P
SW.
AND
HP.
ASSY
(Awzoo9G)
MOTHER
ASSY
(2/2),
REG
ASSY,
SP
SW.
AND
HP.
ASSY,
POWER
SW.
ASSY
(for
SX-2O5)
SC
H
4