Panasonic sa ak 750 e service manual

Page 2

SA-AK750E I SA-AK150EB l SA-AK150EG

(3) MP3
MPEG-1 Layer 3, MPEG-2 Layer 3

Bit rate

MP3 32 kbps to 320 kbps
Sampling frequency

MP3 32 kHz, 44.1 kHz, 48 kHz
CD-DA 44.1 kHz
Decoding 16 bit linear
Digital filter 8 fs
D/A converter MASH (1 bit DAC)
Pick up

Wavelength 780 nm

Beam Source Semiconductor laser
Audio output (Disc)

Number of channels

n USB SECTION

Playable USB Storage Media

1) HDD

2) USB MP3 Player/Digital audio player
3) USB Thumbdrives

Supported audio file formal

MP3 bit rate

USB memory port

2 (Stereo) (FL,FR)

Maximum current 500 mA
Bit rate

MP3 32 kbps to 320 kbps
Sampling frequency

MP3 32 kHz, 44.1 kHz, 48 kHz

Audio output (MP3)

S/N Ratio

USB unit out

n GENERAL
Power supply

For E/EG only

For EB only

Power consumption

Power
mod e

consumption in standby

Dimensions (W x H x D)
Mass

Operating temperature range
Operating humidity range

It SYSTEM

SC-AK750 (E)

SC-AK750 (EB)

SC-AK750 (EG)

85 dB

AC 230 V, SOHZ

AC 230 to 240 V, SOHZ
139 W

0.5 W

250 x 330 x 323 mm

7.1 kg

+5 to +35°C

5 to 90% RH (no condensation)

Music center: SA-AK750 (E)
Speaker: SB-AK750 (P)
Subwoofer: SB-WAK750 (P)
Music center: SA-AK75O (EB)
Speaker: SB-AK750 (P)
Subwoofer: SB-WAK750 (P
Music center: SA-AK750 (EG
Speaker: SB-AK750 (P

)
)
)
Subwoofer: SB-WAK750 (P)

For information on speaker system, please refer to the original
Service Manual (Order No. MDO703011CE) for SB-AK750P/PC-K
and (Order No. MDO703012CE) for SB-WAK750P/PC-K.

Notes:

1.Specifications are subject to change without notice. Mass and

dimensions are approximate.

2.Total harmonic distortion is measured by the digital spectrum

Number of channels 2 channels analyzer.
Frequency response (MP3) 20 Hz to 20 kHz (0+/-1.0 dB)
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 Safety Precautions ------
1.1. General Guidelines -------------------------------------------------------- 4
1.2. Caution for AC Mains Lead

1.3. Before repair and adjustment

1.4. Protection Circuitry ...............

1.5. Safety Part Information -------------------------------------------------- 5

2 Prevention of Electra Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ................................. 7
3 Handling Precautions For Traverse Deck ............................... 3
4 Precaution of Laser Diode ---------------------------------------------------- 1o
5 Warning ...................................................................... 11
5.1. Service caution based on legal restrictions .................... 11
6 Accessories -------------------------------------------------------------------------- 12

7 Operating Procedures ..............

7.2. Remote Control Key Buttons Operations

8 New Features -
8.1. Using the Music Port

Page

--------------------------------------------- 13
7.1. Main Unit Key Buttons Operations

8.2. Connecting and Playing a USB Mass Storage Class

Device ------------------------------------------------------------------------- 16

9 Self diagnosis and special mode setting .............................. 17
9.1. Service Mode Summary Table -------------------------------------- 17

9.2. Special Mode Table 1 .......................................... 17
9.3. Reliability Test Mode (CRS1 Mechanism) ...................... 20
9.4. Error code Table Display .............................................. 21

10 Assembling and Disassembling ........................................... 25