Audio Section - Sony PS-X9 Service Manual

CARTRIDGE XL-55 PRO
Type:
Output Voltage:
Frequency Response:
Channel Separation:
Channel Balance:
DC Resistance:
impedance:
Load Impedance:
Compliance:
Tracking Force:
Type of Stylus:
Weight:
AUDIO SECTION
System:
Moving-coil
0.2mV (1kHz, 5cm/sec, 45°)
10—50,000 Hz
More than 30 dB (1 kHz)
Less than 1.0dB (1 kHz)
402
402 (1 kHz)
More than 402
15 x 107° cm/dyne
1.5—2.5g (recommended value 2.0g)}
Elliptical (0.3 x 0.8 mil)
Nude diamond
22g (including the shell)
Head amplifier
first stage LEC transistor differential
amplifier
Equalizer amplifier ;
first stage direct-coupled dual-FET
differential amplifier, NF type
final stage SEPP
Outputs: PHONO
LINE OUT
voltage 150mV (max. 14V)
impedance 6002
HEAD AMPLIFIER + EQUALIZER AMPLIFIER
S/N Ratio:
Harmonic Distortion:
Voltage Gain:
Input Impedance:
Maximum Input
Capability:
EQUALIZER AMPLIFIER
S/N Ratio:
Harmonic Distortion:
RIAA Curve Deviation:
Voltage Gain:
Input Impedance:
(selectable)
Maximum Input
Capability:
80 dB (A weighting network, 0.2 mV)
Less than 0.005% at'1V output
(20—20,000 Hz)
63 dB (1 kHz)
1002
10mvV
87 dB (A weighting network, 2.5mV}
Less than 0.005% at 1V output
{20—20,000 Hz}
20—20,000 Hz + 0.2 dB
36 dB (1 kHz)
Load resistance 25k, 50k2, 100k2
Load capacitance 100pF, 200pF, 400pF
240 mV (1 kHz)
SERVICING NOTE
CAUTION
When replacing Q1503—1506 in the pulse power-
supply circuit, use those which have the same hFE
rank.
AFE rank.