Main Assy (2/2) - Pioneer SX-20-K Service Manual

5
C601L
R285L
47
10/50
R456
2K2
C304L
220P-500V
C302L
R304L
R370L
47 10/50 220
R305L
33K(1%)
R214
2K2
1R
R285R
47
0
R284
C304R
2K2 220P-500V
C302R
R370R R304R
47 220
10/50
R305R
R361 R352R 33K(1%)
2K2
0
Q314R
INC2001AC1
R120
560K
R122
C118 2K2(1/4)
2.2/50
J306
JUMPER
R143
33K
5
6
MAIN ASSY
A
1/2
(7028072771010-IL)
C311L
100P-500V C
R307L
R317L
B
470K
100(1)
E
C305L
33P-500V R324L
3K6
Q303L
R308L
R314L
33K(1%)
3K
Q305L
R312L
E
47K
R319L
B Q307L
Q304L
2SB1560Y
KTC3206Y
100(1)
C
C711 NM(EB)
C712 NM(EB)
C311R
R307R
100P-500V
C
470K R317R
100(1) B
E
C305R
R324R
33P-500V
3K6
Q303R
R308R
R314R
33K(1%)
3K
Q305R
R312R
Q307R
2SB1560Y
E
Q304R
47K
KTC3206Y
R319R
B
100(1)
C
R360 R359 R358
1K8(1)
1K8(1) 1K8(1)
Q501
KTA1273Y
R510
150
J392
JUMPER
6
R343L
330(1)
R343R
330(1)
Q308L
Q320
KTC3206Y
KRC107M
L301L
0.5UH
R328L
10(1)
R327R
2K2
Q308R
KTC3206Y
L301R
0.5UH
R328R
10(1)
R203 22K
C202 1N
Q405
2N5401S
R426
22K
R371
22K
LIMIT OPTION
R365 R366 R367
560-F 240-F 51-F
R532 51K
R531 51K
R533 51K
6800/80(30*60)
D525
C509
1N5408
D526
1N5408
D527
1N5408
D528
C510 1N5408
6800/80(30*60)
D506 NM
D502
OUT
IN
1N4007
KIA7815API
IC502
D505
1N4007
R537
27K
D507 NM
NM
C523
IC503
KIA7915PI
OUT
C530
1000/35(12.5*20)
220/25
DZ502
MTZJ5.6B
D524 NM
IC301
R306
IL1117-3.3
3K3
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS
LIST" or "PCB PARTS LIST".
GND104
The mark found on some component parts indicates the importance of the safety
factor of the part. Therefore, when replacing, be sure to use parts of identical
designation.
: The power supply is shown with the marked box.
SX-20-K
7
CP301
(HP)
RLY303
G5PA-28
RLY301
G5PA-28 C315L
47N(EB)-100V 22N(EB)-100V
C318L
C315R
22N(EB)-100V
J330A
NM
RLY302
C316L
G5PA-28
22N(EB)-100V
C316R
22N(EB)-100V
R271
8K2
R211
1K
R540 0R22(1)
R501
2K2
C502
R541 0R22(1)
47/50(6.3*11)
47N(EB)-100V
47N(EB)-100V
C514 4N7
RLY501
C535
IN
47N(EB)-100V
C536
Q502
D523 1SS133T
KRC107M
D515 1SS133T
D516 1N4007
F101
D518
1N4007
T3.15AL/250V
D517 1N4007
C501
100N(EB)-100V
D519
1N4007
7
8
A
L+
L-
R-
R+
B
L+
L-
R-
R+
C
D
1
2 CN502
3
4
5
AC2P
B
CP401
E
AC2P
F
A
1/2
51
8