Pioneer SX-750 Service Manual

Symbol
Dsscription
Part
No.
o1
02
o3
a4
o5
o6
o7
08
D1
D2
D3
o4
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Diode
Diode
Diode
Diode
25A798-F
2SA798-F
2SC1438-V
25C1
438-V
25D357-C
25D3s7-C
258527-C
258527-C
152473
152473
STV4H
STV4H
Parts
List
of
Power
Amplifier
Assembly
(AWH-046)
SEMICONDUCTORS
Symbol
Description
Part
No.
R34
R35
R36
R37
R38
VR1
vR2
Wire wound
0.5
5W
Carbon film
10
%V{
Carbon
film
10
%W
Carbon film
10
%W
Carbon f ilm
10
%W
Semi-f ixed
100-B
Semi-f ixed
100-B
RTsB
OR5K
RD%PSF
lOOJ
RD%PSF
lOOJ
RD%PS
lOOJ
RD%PS
.IOOJ
ACP-019
ACP-o19
RESISTORS
Symbol
Description
Part
No.
R1
R2
R3
R4
R5
R6
R7
R8
R9
Rl0
R11
R12
Rl3
R14
R15
R16
R't7
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
Carbon film
2.2k
Carbon film
56k
Carbon film
56k
Carbon film
56k
Carbon film
56k
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Metal
oxide
Metal
oxide
Carbon film
Carbon film
Carbon film
560 1W
560 1W
560k
560k
2.2k
2.0k
2.Ok
1.8k
%w
1.8k
%w
1.1k
Carbon film
1.1k
Carbon film
27k
Carbon film
27k
Carbon film
3.9k
Carbon film
3.9k
Carbon film
Carbon
film
Carbon film
Carbon film
Carbon film
100
100
150
150
150
Carbon film
150
Carbon film
1O
Carbon film
10
Carbon f
ilm 10
Carbon
film
10
Wire
wound
O.5
Wire wound
0.5
Wire wound
0.5
%w
%w
%w
%w
%w
%w
%w
%w
5W
5W
5W
RS1 P
561
K
RS1 P
561
K
RD%PS
56lU
RD%PS
564J
RD%PS
222J
RD%PS 222J
RDZnPS
563J
RD%PS 563J
RD74PS
563J
RDy.PS
563J
RD%PS
2O2J
RD%PS
2O2J
RD%PS 182J
RD%PS 182J
RD%PS
1 12J
RDz.PS
112J
RD74PS
273J
RD]4PS
273J
RD%PS
392J
RDI/.PS
392J
RDYIPS
101J
RD74PS
101J
RD%PSF
151J
RD%PSF 151J
RD%PSF
151J
RD%PSF
151J
RD%PSF 1O(U
RD%PSF lOOJ
RD%PSF lOOJ
RD%PSF
lOOJ
RTSB
OR5K
RTsB OR5K
RTsB ORSK
CAPACITORS
Symbol
Doscription
Part No.
c1
c2
c3
c4
c5
c6
c7
c8
c9
c10
c1
1
c12
c13
c't4
c1 5
c16
c17
c18
c19
c20
c21
c22
c23
c24
c25
Ef
ectrof
ytic
1
25V
Ef
ectrof
ytic
1
25V
Ceramic
56p 50V
Ceramic
56p sOV
Ceramic
12Op
sOV
Ceramic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Ceramic
Ceramic
Electrolytic
Electrolytic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
'l20p
50V
220
6V
220
6V
100
35V
100
35V
15p
50V
15p
50V
220
6V
220
6V
180p
50V
180p
180p
180p
0.04
0.04
50v
50v
50v
50v
50v
Ceramic
O.O47
50V
Ceramic
O.O47 50V
Ceramic
560p
50V
Ceramic
560p
50V
Metallized
mylar
1 100V
cszA
01 0M 25
cszA
010M 25
ccDsL 560K
50
ccDsL 560K
50
ccDsl 121K
50
ccDSL 121K
50
cEA221P
6
cEA221P
6
cEA 101P
35
cEA 101 P
35
ccDsL 150K
50
ccDsl 150K
50
cEA 221P
6
cEA221P
6
ccDsL
181 K 50
ccDsL 181 K
50
ccDSL 181 K
50
ccDs|- 181K
50
CKDYF
4032 50
CKDYF 4032 sO
CKDYF
473250
CKDYF 473250
CKDYB
561 K 50
CKDYB 561 K
50
ACE-008
OTHERS
Symbol
Description
Part No,
Heat
sink
AF
chock coil 2.21tH
Contact
strip
(3PL-type)
ANH-117
T63-009
AKM.O18
57

Pioneer SX-750 Specifications

General

Signal to Noise Ratio	75dB (MM), 90dB (line)
Tuning Range	FM, MW
Damping Factor	30
Power Output	50 watts per channel (8 ohms, 20Hz-20kHz)
Frequency Response	10Hz to 50kHz
Total Harmonic Distortion	0.3%
Input Sensitivity	2.5mV (MM), 150mV (line)
Output	150mV (line)
Speaker Load Impedance	4Ω to 16Ω