Panasonic sa ak52

Page 2

I CD SECTION
Sampling frequency
Decoding

Beam source/wave length
Number of channels
Frequency response
Wow and flutter

0-60 cassette tape

44.1 kHz

16 bit linear

Semiconductor laser/780 nm
Stereo

20 H2 - 20 kHz (+1, -2 dB)
Below measurable limit

Power consumption in standby mode

Dimensions (W x H x D)
Mass

I SYSTEM
SC-AK52(GC)

Notes:

0.8 W
250 x 332 x 316 mm
9.0 kg

Music Center: SA-AK52(GC)
Speaker: SB-AK52(GC)

Digital filter 8 ts
D/A converter MASH (1 bit DAC)
I GENERAL

Power supply AC 110 V/127 V/220 V/230-240V,

1.8pecifiacations are subject to change without notice. Weight and
dimensions are approximate.

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

50/60 Hz 3- The labels High" and Low" on the rear of the speakers refer to
Power consumption 180 W High frequency and Low lrequency_
A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

1 Before Use .............................
2 Before Repair and Adjustmen

3 Protection Circuitry ................

4 Accessories ---------------------------------------------------------------------------- 3
5 Handling Precautions For Traverse Deck ............................... 4
6 PrecaUtion of Laser Diode ...................................................... 5

7 Operation Procedures ...................................................... e

8 Operation Checks and Main Component Replacement

Procedures -----

9 Sell-Diagnostic Function --
10 Description 01 Error Code

11 CD Test Mode Function ---------
12 Measurements and Adjustments-

13 Illustration of lC's, Transistors and D des

14 Terminal Function of Ics .............................................. 25
15 Block Diagram ---------------------------------------------------------------------- 23
16 Schematic Diagram ............................................................... 34
17 Printed Circuit Board ............................................................ 43
18 Wiring Connection Diagram .................................................. 53
19 Troubleshooting Guide ................................................ 59
20 Parts Location and Replacement Parts List ......................... 60