Pioneer SX-750 Service Manual

SEIJIICONDUCTORS
Symbol
Description
Part
No,
o1
a2
o3
o4
Tra nsisto
r
Tra
nsistor
Transistor
Tra ns isto
r
25D
388-R
25B 541-R
25D
388.R
2SB
541-R
six-75'cl
12.2 MISCELLANEOUS
PARTS
47
CAPACITORS
Symbol
Description
Part
No.
c1
c2
UJ
c4
Electrolytic
15,OO0
sOV
Electrolytic
15,000
50V
Ceramic
O.01
150V
(DC1.4kV)
Ceramic
0.Ol 150V
(DC1.4kV)
ACH-057
ACH-057
ACG-003
ACG-001
SWITCHES
Symbol
Description
Part
No.
S1
Rotary
switch
ASA.O39
LAMPS
Symbol
Description
Part
No.
PLl
PL2
PL3
PL4
PL5
PL6
PL7
PL8
PL9
Lamp
assembly
(BV,
0.34)
Lamp
assembly
(8V,
O.34)
Lamp
assembly
(8V,
0.3A)
Lamp
with
leads
(8V,
SOmA)
Lamp
with
leads
(8V,
50mA)
Lamp
with leads
(8V,
5OmA)
Lamp
with leads
(8V,
50mA)
[-amp
with leads
(8V,
50mA)
Lamp
with leads
(BV,
50mA)
AE
L.O60
AEL-O6O
AE
L-O6O
AE L-064
AEL.O68
AE
L-066
AE
L-067
AE L.069
AE L-069
FUSES
Symbol
Description
Part
No.
FUl
FU2
FU3
FU4
FU5
Fuse
1.5A
Fuse
0.5A
Fuse
0.8A
Fuse
0.8A
Fuse
44
AEK-104
AEK-107
AEK.1
11
AEK-1
11
AEK-1OO
COILS.
TRANSFOMER
T1
|
Power
transformer
(KU
model)
Power
transformer (KC
modell
L1
|
Ferrite
bar
antenna
L2
|
Chock
coil
RESISTOR
Symbol
Description
Part
No.
R1
Carbon film
2.2M
%W RD%PS
225J

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