Panasonic RX-D27E User manual

TD0404025C2

Portable Stereo CD System

RX-D27E

RX-D27EG

RX-D27EB

Traverse Deck: RAE0240Z-M Mechanism Series

Colour

(S)............Silver Type

SPECIFICATIONS

Specifications

RADIO

Frequency Range

FM 87.50~108.00 MHz (50

kHz steps)

AM 522~1629 kHz (9 kHz

steps)

TAPE RECORDER

Track System 4 track, 2 channel, stereo

Monitor system Variable sound monitor

Recording system AC bias

Erasing system Multi Pole magnet

Frequency range

Normal position 50 ~ 12000 Hz

CD PLAYER

Sampling frequency 44.1 kHz

Decoding 16 bit linear

Beam source Semiconductor laser

(wavelength 780 nm)

No. of channels 2 channel, stereo

Wow and flutter Less than possible

measurement data

D/A converter 1 bit DAC

GENERAL

Jacks

Output Phones : 3.5 mm stereo

(32 )

Power output (RMS) 2.0W + 2.0W (MAX)

Power Requirement

AC 230-240 V, 50 Hz

Power Consumption 13 W

Battery 9 V (six R14/LR14, C, UM-

2 batteries)

Do not use rechargeable type batteries.

Memory back-up 4.5 V (three R6/LR6, AA,

UM-3 batteries)

Do not use rechargeable type batteries.

Speakers

Full range 8 cm 4 x 2

Dimensions (W x H x D) 408 x 163 x 273 mm

Mass 3.3 kg without batteries

Notes:

1. Specifications are subject to change without notice.

2. Mass and dimensions are approximate.

1. Before Repair and Adjustment

Disconnect AC power, discharge Power Supply Capacitors C116, C216, C317 through a

10 , 5 W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver

blade, for instance), as this may destroy solid state devices.

After repairs are completed, restore power gradually using a variac, to avoid over

current.

Current consumption at AC 230 V, 240 V, 50 Hz in NO SIGNAL mode should be ~45 mA

respectively.

2. Protection Circuitry

The protection circuitry may have operated if either of the following conditions are

noticed:

- No sound is heard when the power is turned on.

- 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 the amplifier are used.

If this occurs, follow the procedure outlines below:

1. Turn off the power.

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

3. Turn on the power once again after one minute.

Note:

When the protection circuitry functions, the unit will not operate unless the power is

first turned off and then on again.

3. Accessories

- AC Main Lead (EB)......1 pc

- AC Main Lead (E/EG)......1 pc

- Remote control transmitter......1 pc

4. Handling Precautions For Traverse Deck

The laser diode in the traverse deck (optical pickup) may break down due to potential

difference caused by static electricity of clothes or human body. So, be careful of

electrostatic breakdown during repair of the traverse deck (optical pickup).

- Handling of traverse deck (optical pickup)

1. Do not subject the traverse deck (optical pickup) to static electricity as it is

extremely sensitive to electrical shock.

2. To prevent the breakdown of the laser diode, an antistatic shorting pin is inserted

into the flexible board (FFC board).

3. Take care not to apply excessive stress to the flexible board (FFC board). When

removing or connecting the short pin, finish the job in as short time as possible.

4. Do not turn the variable resistor (laser power adjustment). It has already been

adjusted.

- Grounding for electrostatic breakdown prevention

1. Human body grounding

Use the anti-static wrist strap to discharge the static electricity from your body.

2. Work table grounding.

Put a conductive material (sheet) or steel sheet on the area where the traverse deck

(optical pickup) is place, and ground the sheet.

Caution:

The static electricity of your clothes will not be grounded through the wrist strap. So,

take care not to let your clothes touch the traverse deck (optical pickup).

on when replacing the Traverse Deck

The traverse deck has a short point shorted with solder to protect the laser diode

against electrostatics breakdown. Be sure to remove the solder from the short point

before making connections.

5. Precaution of Laser Diode

CAUTION:

This product utilizes a laser diode with the unit truned “ON”, invisible laser radiation is

emitted from the pick up lens.

Wavelength : 780 nm

Maximum output radiation power from pick up : 100 W/VDE

Laserradiation from pick up unit is safety level, but be sure the followings:

1. Do not disassemble the optical pick up unit, since radiation from exposed laser diode

is dangerous.

2. Do not adjust the variable resistor on the pick up unit. It was already adjusted.

3. Do not look at the focus lens using optical instruments.

4. Recommend not to look at pick up lens for a long time.

ACHTUNG:

Dieses Produkt enthält eine Laserdiode. Im enigeschalteten Zustand wird unsichtbare

Laserstrahlung von der Lasereinheit abgestrahlt.

Wellenlänge : 780nm

Maximale Strahlungsleistung der Lasereinheit : 100 W/VDE

DieStrahlung an der Lasereinheit ist ungefährlich, wenn folgende Punkte beachtet

werden:

1. Die Lasereinheit nicht zerlegen, da die Strahlung an der freigelegten Laserdiode

gefährlich ist.

2. Den werkseitig justierten Einstellregler der Lasereinhit nicht verstellen.

3. Nicht mit optischen Instrumenten in die Fokussierlinse blicken.

4. Nicht über längere Zeit in die Fokussierlinse blicken.

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