Technics SU-V4A E Service Manual

PANA-01943
Service Manual
* The cabinet, front panel and knob are available in
black color and silver types.
The black type model is provided with (K) in the
Service Manual.
stereo Integrated DC Amplifier
SU V 4A
, [XGH],
SU. VAAtK
E], [EG], [XGH], [EB]
Areas
* [E] and [EG] are availabie in Scandinavia and European
except Belgium and Holland.
* [XGH] is available in Holland.
* [EB] is available in Belgium.
m@ CONTENTS
Page Page
LOCATION OF CONTROLS.............00.0200% 3,4 VARIABLE RESISTORS .................+020004 11
DISASSEMBLY INSTRUCTIONS ..............4.. 4,5 PRINTED CIRCUIT BOARD WIRING VIEW, ........ 12~15
ADJUSTING INSTRUCTIONS {ENGLISH)............ 5,6 TERMINAL GUIDE OF TRANSISTORS AND IC''S........ 15
EINSTELLUNGSANWEISUNGEN (DEUTSCH)........... 7 SCHEMATIC DIAGRAM ...............00e0% 16~ 20
INSTRUCTIONS DE REGLAGE (FRANCAIS) ......... 7,8 EXPLODED VIEWS: 253i he oe ik Sank on GS es 21,22
REPLACEMENT PARTS LIST (Electrical Parts). ........2.. 8 REPLACEMENT PARTS LIST
BLOCK DIAGRAM OF IC'S .............2 0080 9, 20 (Cabinet, Chassis and Packing Parts). ...........-..0.. 23
BLOCK DIAGRAM. ............... Sk a af doh! ek eat 10 REPLACEMENT PARTS LIST (Resistors and Capacitors) . .23, 24
TECHNICAL SPECIFICATIONS
(DIN 45 500)
AMPLIFIER SECTION
20 Hz~20 kHz continuous power output
both channels driven
Specifications are subject to change without notice for further improvement.
—26 dB power at 1 kHz
50 mW power at 1 kHz
intermodulation distortion
rated power at 250 Hz: 8 kHz=4:1, 40
rated power at 60 Hz: 7 kHz=4:1, SMPTE, 80
Power bandwidth
both channels driven, —3 dB
(THD 0.03%) 5 Hz~30 kHz (40)
(THD 0.02%) 5 Hz~30 kHz (8Q)
Residual hum and noise (straight DC) 0.65 mV
Damping factor 25 (4Q), 50 (8)
Input sensitivity and impedance
PHONO MM
MC
TUNER, AUX
TAPE 1 REC/PLAY
TAPE 2
PHONO maximum input voltage (1 kHz, RMS)
MM
MC
0.12% (40)
0.2% (42)
2 x BOW (4)
2 x 55W (80)
0.03%
;
0.02%
40 Hz~16 kHz continuous power output
both channels driven 2 x BOW (40)
2 x S5W (8)
1 kHz continuous power output
both channels driven
2 x 75W (4Q)
2 x BOW (82)
Totai harmonic distortion
rated power at 20 Hz~20 kHz 0.03% (4Q)
0.02% (80)
0.03% (40)
0.02% (802)
0.02% (40)
0.02% (80)
0.015% (80)
0.005% (82)
2.5 MV/47kQ
170 pV/47
150 mV/27kQ
180 mV/33kNQ
150 mV/27kQ
rated power at 40 Hz~16 kHz
rated power at 1 kHz
half power at 20 Hz~20 kHz
half power at 1 kHz
150 mV
10 mV
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan
ORDER NO. $D8007-1770
'Technics