Panasonic SJ-MR220 Bedienungsanleitung

ORDER No.AD0109126C8

Portable MD Recorder

SJ-MR220

MD unit: RAE1640Z-M Mechanism Series

Colour

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

(W)..................White Type [(GH) area only.]

Areas

EB...................Great Britain.

EG...................Europe.

GCS................Singapore, Malaysia.

GH...................Hong Kong.

SPECIFICATIONS

Specifications

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)

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

Output Jack: Phones, 22

Power output: 3.5 mW+3.5 mW

Power supply

Rechargeable battery: DC 1.2V

(included rechargeable battery)

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

AC adaptor: DC 1.8V (included AC adaptor)

Dimensions (WxHxD)

Cabinet dimensions: 78.2x71.6x16.0

incl.projecting parts: 80.4x74.1x18.3

Weight: 115 g (with

battery)

88 g (without battery)

Playtime

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

Batterytype:PlaytimeRecord time

Rechargeable

Normal: About 11.5 hoursAbout 5.5 hours

LP2: About 15 hoursAbout 8 hours

LP4: About 17 hoursAbout 9.5 hours

Panasonic alkaline

Normal: About 42 hoursAbout 19 hours

LP2: About 54 hoursAbout 26 hours

LP4: About 62 hoursAbout 34 hours

Both together

Normal About 54 hoursAbout 25 hours

LP2: About 71 hoursAbout 34 hours

LP4: About 82 hoursAbout 44 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 battery................................ .............1pc.

(RP-BP62EYD)

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

(RFA1537-S2)

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

(RFC0069-H)

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

(L0BAB0000162)

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

(K2KA39B00001)

For EB area

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

(RFEA003B-S)

For EG, GCS areas

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

(N0JCAD000001)

For GH area

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

(RFEA004H-S)

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

(N2QCBD000012)

For EB, EG, GCS areas

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

(N2QCBD000013)

2. Precation of Laser Diode

3. Operating Instructions

4. Handling Precautions for Traverse Deck

The laser diode in the traverse deck (optical pickup) maybreak down due to potential difference

caused bystatic electricityof clothes or human body.

So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).

4.1. Handling the traverse deck (optical pickup)

1. The traverse deck (optical pickup) 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

4.2. Grounding for electrostatic breakdown prevention

1. Human bodygrounding

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

your body. (as shown in Fig. 3)

2. Work table grounding

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

the traverse deck (optical pickup) 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 traverse deck (optical

pickup).

Fig. 3

Fig. 4

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.

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

[Checking for the main P.C.B. (B side)]

- Each parts on main P.C.B. (B side) can not be checkesd directly,

however, for the checking of main component parts on P.C.B., refer

to the “Checking procedures of main components parts on the main

P.C.B. (B side).

5.2. Replacement for the intermediate cabinet

- Followthe (Step 1) - (Step 3) of item 5.1.

5.3. Replacement for the open knob and lock unit

- Followthe (Step 1) - (Step 3) of item 5.1.

- Followthe (Step 1) - (Step 3) of item 5.2.

5.4. Replacement for the traverse motor

- Followthe (Step 1) - (Step 3) of item 5.1.

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