Panasonic SC-AK48 Service Manual

●AMPLIFIER SECTION
PMPO
3000W
RMS power output
THD 10%, both channels driven
(HIGH) 40W per channel (6Ω)
(MID) 40W per channel (6Ω)
(LOW) 120W per channel (6Ω)
(TOTAL) 200W per channel (6Ω)
Input sensitivity
AUX
250mA
MIC
0.7mV
Input inpedance
AUX
13.9kΩ
MIC
680Ω
●FM TUNER SECTION
Frequency range
87.50 - 108.00MHz
(50kHz steps)
Sensitivity
2.5µV (IHF)
S/N 26dB
2.2µV
Antenna terminal (s)
75Ω (unbalanced)
●AM TUNER SECTION
Frequency range
552-1629kHz (9kHz steps)
Sensitivity
520-1630kHz (10kHz steps)
S/N 20dB (at 999kHz)
560µV/m
© 2000 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-AK48
Colour
(S) ................. Silver Type
Areas
(GC) .............. Asia, Latin America,
Middle East and Africa.
TAPE SECTION : AR2 MECHANISM SERIES
CD SECTION : RAE0152Z-M TRAVERSE DECK
SERIES
SYSTEM : SC-AK48
●CASSETTE DECK SECTION
Track system
4 track, 2 channel
Heads
Record/playback
Soild permalloy head
Erasure
Double gap ferrite head
Motor
DC servo motor
Recording system
AC bias 100kHz
Erasing system
AC erase 100kHz
Tape speed
4.8cm/s
Frequency response (+3, -6dB) at DECK OUT
NORMAL (TYPE I)
35Hz - 14kHz
HIGH (TYPE II)
35Hz - 14kHz
S/N
50dB (A weighted)
Wow and flutter
0.18% (WRMS)
Fast forward and rewind time
Approx. 120 seconds with
C-60 cassette tape
●CD SECTION
Sampling frequency
44.1kHz
Decoding
16 bit linear
Beam source/wave length
Semiconductor laser/
780nm
Number of channels
Stereo
Frequency response
20Hz - 20kHz (+1dB, -2dB)
Wow and flutter
Below measurable limit
Digital filter
8fs
CD Stereo System
Specifications
ORDER No.MD0004060C3

Panasonic SC-AK48 Specifications

Amplifier Section

RMS power output (HIGH)	40 W per channel (6 Ω)
RMS power output (MID)	40 W per channel (6 Ω)
RMS power output (LOW)	120 W per channel (6 Ω)
RMS power output (TOTAL)	200 W per channel (6 Ω)
Input sensitivity AUX	250 mV
Input impedance AUX	13.9 kΩ

FM Tuner Section

Frequency range	87.50 – 108.00 MHz (50 kHz steps)
Sensitivity	1.8 µV (IHF)
S/N 26 dB	1.5 µV
Antenna terminal(s)	75 Ω (unbalanced)

AM Tuner Section

Frequency range	522 – 1629 kHz (9 kHz steps)
Sensitivity S/N 20 dB at 999 kHz	560 µV/m

Cassette Deck Section

Track system	4 track, 2 channel
Tape speed	4.8 cm/s
Frequency response NORMAL (TYPE I)	35 Hz – 14 kHz
Frequency response HIGH (TYPE II)	35 Hz – 14 kHz
Wow and flutter	0.18% (WRMS)
Fast forward and rewind time	Approx. 120 seconds with C-60 cassette tape

CD Section

Sampling frequency	44.1 kHz
Frequency response	20 Hz – 20 kHz (+1 dB, –2 dB)
Beam source/wave length	Semiconductor laser/780 nm

Speaker Section

Type	4 way speaker system
Super woofer	17 cm cone type
Woofer	12 cm cone type
Tweeter	6 cm ring shaped dome type
Super tweeter	Piezo type
Input power HIGH	60 W (music)
Input power MID	60 W (music)
Input power LOW	200 W (music)
Output sound pressure level	87 dB/W (1.0 m)
Cross over frequency	150 Hz, 3.5 kHz
Frequency range	40 Hz – 50 kHz (–16 dB)
Speaker dimensions	250 x 348 x 292 mm
Speaker weight	5.1 kg

General

Power supply	AC 230 – 240 V, 50 Hz
Power consumption	210 W
Power consumption in standby mode Eco mode on	0.4 W
Power consumption in standby mode Eco mode off	14 W
Dimensions	270 x 331 x 338 mm
Weight	8.8 kg