Panasonic SJ-MR230DGH Manual de usuario

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ORDER No.AD0211148C3

Portable MD Recorder

SJ-MR230DGH / SJ-MR230DGK

Colours

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

(R)...................Red Type [(GK) area only.]

(A)...................Blue Type

SPECIFICATIONS

Specifications

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Audio

System:MiniDisc digital audio system

Laser:Semiconductor laser (=780 nm)

Sampling frequency:44.1 kHz

Coding:Adaptive Transform Acoustic Coding

(ATRAC / ATRAC3)

No. of channels:2 (left and right, stereo)

1 (monaural, playonly)

Frequencyresponse:20 Hz-20 kHz (+0 dB, -8dB)

Wowand flutter:Belowmeasurable limit

General

Input terminal

OPT/LINE IN jack

Impedance:22k

Input level:SENS H:178mV

SENS L:500mV

MIC jack

Impedance:600

Input level:SENS H:0.4mV

SENS L:2.5mV

Output terminal

Head phone Jack:3.0 mW+3.0 mW, 32

Speakers (Cradle):0.9 mW+0.9 mW, 8

Speakers

impedance:8

Power supply

Rechargeable battery:DC 1.2V

(included rechargeable battery)

Battery:DC 1.5V (One LR6, AA, UM-3 battery)

AC adaptor:DC 4.5V (included AC adaptor)

Dimensions (WxHxD)

Cabinet dimensions:78.2x71.6x17.9

incl.projecting parts:80.4x74.1x17.9

Weight:121 g (with

battery)

94 g (without battery)

Playtime

(When used in hold mode, at 25°C, on a flat, stable surface)

Batterytype:PlaytimeRecord time

Rechargeable

Normal:About 27 hoursAbout 13 hours

LP2:About 35 hoursAbout 18 hours

LP4:About 42 hoursAbout 23 hours

Panasonic alkaline

Normal:About 42 hoursAbout 8 hours

LP2:About 59 hoursAbout 13 hours

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LP4:About 70 hoursAbout 21 hours

Both together

NormalAbout 77 hoursAbout 35 hours

LP2:About 100 hoursAbout 50 hours

LP4:About 117 hoursAbout 62 hours

Notes:

- The playtime maybe less depending on the operating

conditions.

- Specifications are subject to charge without notice. Weight

and dimensions are approximate.

Unauthorized copying and distribution is a violation of law.

1. Accessories

- Rechargeable batteryass’y....................................1pc.

(RFKFFAZ01EM1)

- Rechargeable batt. case.........................................1pc.

(RFA0475-Q)

- External batterycase..............................................1pc.

(RFA1537-S2)

- Carrying case.........................................................1pc.

(RFC0069-H)

- Stereo earphones...................................................1pc.

(L0BAB0000174)

- Connection cable...................................................1pc.

(K2KA39B00001)

- Clip type headphones............................................1pc.

(L0BAE0000026)

- Optical fiber cable..................................................1pc.

(K7CXJCA00004)

- Wired remote control..............................................1pc.

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(N2QCBD000012)

For GH area

- Speaker ass’y.........................................................2pcs.

(RFKAJMR250-S)

- Cradle.....................................................................1pc.

(RFE0114A)

- AC adaptor.............................................................1pc.

(RFEA413H-W)

For GK area

- Speaker ass’y.........................................................2pcs.

(RFKAMR230GKS)

- Cradle.....................................................................1pc.

(RFE0114B)

- AC adaptor..............................................................1pc.

(RFEA413T-1W)

2. Precation of Laser Diode

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3. Operating Instructions

4. Handling Precautions for Optical Magnetism Head

Unit

The laser diode in the optical magnetism head unit maybreak down due to potential difference

caused bystatic electricityof clothes or human body.

So, be careful of electrostatic breakdown during repair of the optical magnetism head unit.

4.1. Handling the optical magnetism head unit

1. The optical magnetism head unit is an extremelyhigh-precision

construction and must not be subjected to impact, excessive

vibration, or other types of rough handling.

2. In order to prevent static electricitydamage to the laser diode,

use a short pin or similar tool to short the optical pickup’s flexible

circuit boards after theyhave been disconnected from the main

circuit board. (as shown in Fig. 1 )

3. Handle the flexible circuit boards with care; excessive force could

cause them to be broken.

4. Do not turn the pre-set variable resistor (for adjustment of the

laser power); it has been adjusted at the factory.

(as shown in Fig. 2 )

Fig. 1

Fig. 2

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4.2. Grounding for electrostatic breakdown prevention

1. Human bodygrounding

Use the anti-static wrist strap to discharge the static electricity

from your body. (as shown in Fig. 3 )

2. Work table grounding

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

the optical magnetism head unit is placed, and ground the sheet.

(as shown in Fig. 4 )

Caution

The static electricityof your clothes will not be grounded through

the wrist strap.

So, take care not to let your clothes touch the optical magnetism

head unit.

Fig. 3

Fig. 4

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5. Operation Checks and Component Replacement

Procedures

- This section describes procedures for checking the operation of

the major printed circuit boards and replacing the main

components.

- For reassemblyafter operation checks or replacement, reverse the

respective procedures. Special reassemblyprocedures are

described onlywhen required.

- After replacing the main components (optical pickup or traverse

motor, etc.) of mechanism unit block, change to the adjust mode,

and then perform the “ ROM/RAM auto-adjustment”.

5.1. Checking for the main P.C.B.

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- Check the main P.C.B. (Aside) as shown below.

5.2. Replacement for the intermediate cabinet

- Followthe (Step1)-(Step3) of item 5.1.

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5.3. Replacement for the open knob

- Followthe (Step1)-(Step3) of item 5.1.

- Followthe (Step1)-(Step4) of item 5.2.

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5.4. Replacement for the traverse motor

- Followthe (Step1)-(Step3) of item 5.1.

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