Музыкальный центр panasonic sa ak25 инструкция

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Руководства для Panasonic SA-AK25

• Руководство пользователя (User manual)
• Руководство по сервисному обслуживанию (Service manual)
• Руководство по ремонту (Repair manual)
• Перечень комплектующих (PartList)

• Руководства по ремонту
  
  1
  

• Инструкции по эксплуатации
  
  2
  

На NoDevice можно скачать инструкцию по эксплуатации для Panasonic SA-AK25. Руководство пользователя необходимо для ознакомления с правилами установки и эксплуатации Panasonic SA-AK25. Инструкции по использованию помогут правильно настроить Panasonic SA-AK25, исправить ошибки и выявить неполадки.

This is the 100 pages manual for panasonic sa ak25.
Read or download the pdf for free.
If you want to contribute, please mail your pdfs to info@audioservicemanuals.com.

Page 1

ORDER NO. MD9802027C2

Service Manual

*2

MASH

muIIIsIsga natal shanny
*3

an-

COMPACT

DIGITAL AUDIO

*: Made in MESA.
*2: MASH Is a trademark of MIT.

CD Stereo System

SA-AK25

SB-AK25

*3: Dolby noise reduction manufactured under license from

Dolby Laboratories Licensing Corporation.

Dolby and the double-D symbol DI] are trade marks of

Dolby Laboratories Licensing Corporation.

Tape Deck: AR-2 Mechanism Series
Traverse Deck: RAE01522 Mechanism Series

Specifications

AMPLIFIER SECTION
HMS power output
10% Total harmonic distortion
80 Hz — 12 kHz both channels driven
1% Total harmonic distortion
so Hz- 12 kHz both channels driven
Input sensitivity
AUX

Input impedance
AUX

FM TUNER SECTION
Frequency range
Sensitivity

SIN 26 dB
Antenna terminal(S)

AM TUNER SECTION
Frequency range
Sensitivity

SIN 20 dB

CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed

70 W per ch (6 Q)
50 W per ch (6 Q)
250 mV

10 k0

57.50 — 105.00 MHZ (50 kHz steps)

15 Irv
75 Q (unbalanced)

522 — 1629 kHz (9 kHz steps)

500 uV/m

4 track. 2 channel

Solid permalloy head
Double gap ferrite head
DC servo motor

AC bias 100 kHz

AC erase 100 kHz

4.13 cm/s

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

NORMAL (TYPE I)

ma: (TYPE II)
SIN

Dolby NR off

Dolby NR on
Wow and flutter

35 HZ- 14 kHz
35 Hz-14 kHz

50 dB (A weighted)
aoaa (corn)
0,13 7.. (WHMS)

Fast forward and rewind times Approx. 120 seconds with C~60 cassette tape

CD Stereo System

SA-AK25

SB-AK25
Colour
(K) ………. Black Type
Areas
(E) ………. Europe.
(EB) .. . Great Britain.
(EG) .. . Germany.
System: SC-AK25
CD stereo system SA-AK25
Speaker SB-AKZS *
CD SECTION
sampling frequency 44.1 kHz
Decoding 16 bit linear
Beam source/wave length Semiconductor laser/ 780 nm
Number of channels Stereo

Frequency response 20 Hz — 20 kHz (+1, -2 dB)
Wow and flutter Below measurable limit
Digital filter 8 ts

DIA converter MASH (1 bit DAG)
GENERAL t
Power supply
For (EB) area AC 230-240 V. 50 Hz
For (E) and (EG) areas A6230 V. 50Hz
Power consumption 156 W
Dimensions (W x H x D) 270 x 386 x 347 mm
Weight 7.1 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.

Before moving or shipping this system

Prepare the system as described below to prevent damage to the mechanism.

1. Removal all CDs.

2. Press CD.

3. Press I for 5 more seconds.
The display will change from WAIT» to ‘LOCKED» to «GOOD BYE and
finally «ZZZ». Then, the unit will be turned OFF automatically. (This will set
the su-called ‘shipping mode)

4. Unplug the stereo.

The shipping mode will turn OFF automatically when you turn the power ON
the next time.

AWARNING

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.

Panasonic®

© 1998 Matsushita Electric industrial Co.,Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law.

Page 2

SA:AK25 J
I Contents

Accessories
Before Repair
Protection Circuitry ………………………….
Handling Precaution for Traverse Deck
Precaution of Laser Diode ..
Caution for AC Main Lead ..
Connections ……………..
Placement of Speakers
Front Panel Controls
Demo Function …..
Setting the Time
Listening to Compact Discs
Before Recording (Deck 2 only)
Recording from Radio Broadcasts
Recording from Compact Discs
Tape-to-tape Recording …….. 19
Varying the Sound Quality with the Acoustic image (AI) Equalizer .
21~ 24

Using the Timer

I Accessories

0 AC power supply cord [for (EB) area]
(VJA0733) ………………………………………. 1

— AC power supply cord [for (E) and (EG) areas]
(RJAODl 9-2K) …………………………………. 1

— Antenna pulg adaptor [for (EB) area]
(SJP9009) ………………………….. 1

I Before Repair

0 AM loop antenna set
(RSA0022) …………

flea

— FM indoor antenna
(RSA0007) …………

…………………………… 1

…………………………… 1

Page
Self-Diagnostic Function ………………………………………………………….. 25
Operation Check and
Main Component Replacement Procedures
Schematic Diagram ……………
Printed Circuit Board Diagram
Wiring Connection Diagram
Type Illustration of lC’s, Transistors and Diodes
Terminal Function of IC’s ……
Measurement and Adjustments
Troubleshooting Guide
Block Diagram ………
Replacement Parts List
Cabinet Parts Location
Mechanism Parts Location .
Loading Unit Parts Location
Packaging ………………………

— Remote control transmitter
(EUR644853) …….

— Batteries for remote control transmitter
(RS/LEG. AA, UM-S) ……………………….. 2
Note: These are available on sales route.

9

(1 ) Turn off the powersupply. Using a 10 Q, 10 W resistor. connect both ends of power supply capacitors (0508) in order to discharge

the voltage.

(2) Before turning the power supply on, after completion of repair, slowly apply the primary voltage by using a power supply voltage
controller to make sure that the consumed current at 50 Hz in NO SIGNAL mode should be shown below with respect to supply

voltage 230 V.

Power supply voltage

Ac 230 v. so Hz

Consumed current

Less than 210 mA

I Protection Circuitry

The protection circuitry may have operated if either of the following conditions is noticed:

— No sound is heard when the power is switched ON.
0 Sound stops during a performance.

The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
shorted, or if speaker systems with an impedance less than the indicated rated impedance of this unit are used.

If this occurs, follow the procedure outlined below:
1. Switch OFF the power.

2. Determine the cause of the cause of the problem and correct it.

3. Switch ON the power once again.

Note:

When the protection circuitry functions, the unit will not operate unless the power is first switched OFF and then ON again.