Panasonic sa ak55 service manual

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Page 1

ORDER NO. MD9804091CS

Service Manual

@CDMFACT

MASH*I *2D

multl- stage nulteshiplnf,

DIGITAL AUDIO.

Remote SB-PSSS SB-PCSS SB-AK55 SA- AK55 SB-AK55

u_OLBY B NR

CD Stereo System

Colour
(8) .. Silver Type
Area
Suffix for
Model No. Area Colour

(GC) Asia, Latin America, Africa (S)
and Middle Near East

SB~P855
Control
Transmitter _
System Musrc Center Speaker Center Speaker Surround Speaker
MASH is a (rademark of NTT, SC-AK55 (GC) SA-AK55 (GO) SB-AK55 (GC) Sis-Poss (G01) SB-PSSS (601)
*2

TAPE SECTION : AR2 MECHANISM SERIES

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.

lDolby" and the double-D symbol are trade marks of Dolby
Laboratories Licensing Corporation.

CD SECTION : RAEO1522-M TRAVERSE DECK SERIES

I Specifications

I Amplifier Section
Front speaker power output
PMPO ZOOOW (652)
RMS power output

THD 10%, both channels driven
Power output in
Doldy Pro Logic mode

PMPO Total 2500W
HMS power output

THD 10% both channel driven

100W per channel (69)

Front 100W per channel (60)

Center 45W per channel (SQ)

Surround 22.5w per channel (49)
input sensitivity and impedance

AUX 250mV,10KQ

MIC 0.7mV, 6000

I Cassette Deck Section

Track system 4 track, 2 channel

Heads
Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase
Tape speed 4.8 cm/s

Frequency response (+3, -6 dB at DECK OUT)

NORMAL (TYPE I) 35 Hz - 14 kHZ

HIGH (TYPE II) 35 HZ - 14 kHz
SIN

Dolby NR off 50dB(A weighted)

Dolby NR on sweaters)
Wow and llutter 0.18 % (WFlMS)

Fast forward and rewind time
Approx. 120 seconds with 0-60 cassette tape

Panasonici

I FM Tuner Section
Frequency range 87.5 - 108.0 MHz (50 kHz steps)
Sensitivity

sm 26dB 1.5 uv

Antenna terminal(s)

I AM Tuner Section
Frequency range

75 Q (unbalanced)

522 - 1629 kHz (QKHUStep)
520 - 1630 kHZ (10kHz/Step)

Sensitivity

SIN 20 dB 500 uV/m
I CD Section
Sampling frequency 44.1 kHz
Decoding 16 bit linear
Beam source/wave length Semiconductor laser / 780 nm
Number at channels Stereo

Frequency response 20Hz - 20kHz (+1dB, -2dB)
Wow and flutter Below measurable limit
Digital filter a is
DIA converter MASH (1 bit DAC)

I General

Power consumption 156W
Power supply AC 110V/127V/220V/280 - 240V, 50/60 Hz
Dimensions (W x H x D) 270 x 336 x 347 mm
Weight 8.3 kg

Notes :

1 . Specifications are subject to change without notice.
Weight and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum
analyzer.