Panasonic SA-AK78 Service Manual

Specification
Amplifier Section
Front speaker power output
Power output
PMPO
RMS power output
THD 10%, both channels driven
Total
LOW 100 Hz
MID 1 kHz
HIGH 10 kHz
Power output in
Dolby Pro Logic mode
PMPO Total
RMS power output
THD 10%
Total
Front LOW 100 Hz
Front HIGH 1 kHz
Center 1 kHz
Surround 1 kHz
Input sensitivity
AUX 1, AUX 2
MIC
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3400 W
200 W per channel (6Ω)
120 W per channel (6Ω)
40 W per channel (6Ω)
40 W per channel (6Ω)
4000 W
500 W
120 W per channel (6Ω)
40 W per channel (6Ω)
90 W per channel (8Ω)
45 W per channel (8Ω)
250 mV
0.7 mV
CD Stereo System
SA-AK78
Colour
(S)... Silver Type
Area
(GC)... Asia, Latin America, Africa and Middle Near
East
TAPE SECTION
AR2 MECHANISM SERIES
CD SECTION
RAE0152Z-3 TRAVERSE DECK SERIES
Input impedance
AUX 1, AUX 2
MIC
FM Tuner Section
Frequency range
Sensitivity
S/N 26 dB
Antenna terminal(s)
AM Tuner Section
Frequency range
Sensitivity
S/N 20 dB
Cassette Deck Section
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
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violation of law.
ORDER NO. MD0005090C3
10 kΩ
600 Ω
87.50-108.00 MHz (50 kHz step)
1.8µV (IHF)
1.5µV
75 Ω unbalanced
522-1629 kHz (9kHz step)
520-1630 kHz (10kHz step)
500 µV/m
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100kHz
AC erase 100kHz
4.8 cm/s