Panasonic SA-DT300E Bedienungsanleitung

AD0203066C2

AV Control Receiver

SA-DT300E

SA-DT300EB

SA-DT300EG

Colour

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

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1 Before Repairs

1. Turn off the power supply. Using a 10 Ω, 10 W resistor, connect both ends of power supply capacitors (C730,

C750) 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 respectto supply voltage 230/240 V.

Power supply voltage

AC 230 V

AC 240 V

Consumed current 50 Hz

80 - 270 mA

75 - 265 mA

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2 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.

Sound stops during a performance.

The functions 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 procedures outlined below.

1. Switch OFF the power.

2. Determine 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.

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3 Accessories

AC mains lead for SA-DT300E, SA-DT300EG

(RJA0019-2X)................................1 pc.

AC mains lead for SA-DT300EB

(RJA0053-3X)................................1 pc.

AM loop antenna

(REK0063).....................................1 pc.

FM indoor antenna

(RSA0007).....................................1 pc.

Video cable

(RJL1P019B15)............................1 pc.

Speaker cables

(REX1129).....................................2 pcs.

Remote control transmitter

(N2QAJB000049)...........................1 pc.

Remote control batteries

(R6/LR6, “AA”, UM-3).....................2 pcs.

Note: These are available on sales route.

Antenna plug adaptor for SA-DT300EB only

(SJP9009)......................................1 pc.

RCAJ adaptor

(VFA0151-2)...................................1 pc.

Cleaning cloth for main unit

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(RFE0088-1)..................................1 pc.

Sheet of speaker-cord stickers

(RQCA0950)...................................1 pc.

Sheet of speaker feet*1

(small, 25 feet).................................1 pc.

Sheet of speaker feet*1

(large, 10 feet)...................................1 pc.

Spikes*1............................................4 pcs.

Sheet of speaker pads*1

(8 pads).........................................1 pc.

Note:

The accessories (indicated *1) are packed with SB-DT300.

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4 Caution for AC Mains Lead

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6 Self-Diagnostic Function

This unit is equipped with a self-diagnostic function which, in the event of a malfunction, automatically displays a code

indicating the nature of the malfunction.

Use this self-diagnostic function when servicing the unit.

6.1 To display the malfunction code

U70 DVD:

Automatically displays on the AV control receiver when a malfunction occurs. Refer to Fig. 6-1.

F61:

Automatically displays on the AV control receiver when a malfunction occurs. Refer to Fig. 6-1.

Fig. 6-1.

6.2 To return to the normal display

1. For U70 DVD

Press some operation buttons on the AV control receiver.

To re-display the code, switch the power off (Standby/on button), and then switch power back on

again.

2. For F61

If F61 is displayed, the power will automatically be switched off and the standby indicator will light

up.

F61 will be displayed for 3 seconds, and then the clock will be displayed.

To re-display the code, switch the power on. F61 will be re-displayed, and then after 3 seconds the

clock will be displayed and the power will automatically switch off.

6.3 Display contents

6.3.1 U70 DVD

Problem or condition

A bus-line communications error has occurred as a result of the flat cable being inserted incorrectly, thus

preventing the system from operating.

If U70 is displayed on the AV control receiver, DVD/CD player cannot be operated by remote

control.

Correction Procedure

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1. To check for correct insertion of flat cable.

Insert connector until you hear a click.

Make sure the white side of the cable is on your right side. Refer to Fig. 6-2.

Fig. 6-2.

2. Breakage of flat cable. (Check and replace.)

3. If the problem is not corrected by items 1 and 2 above, this indicates a faulty IC.

SA-DT300:

IC941 (C2CBHG000095)

SL-DT300:

IC402 (C2BBFD000350)

Check these ICs and replace.

6.3.2 F61

Problem or condition

When the Standby/on switch is switched on, it automatically switches back off, making it impossible to switch

power on.

Correction procedure

Faulty AV control receiver (SA-DT300) power supply line or when a DC voltage is applied to speaker terminals.

(Check and replace.)

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7 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 reassembly after operation checks or replacement, reverse the respective procedures. Special

reassembly procedures are described only when required.

7.1 Checking for the digital amp P.C.B.

Check the digital amp P.C.B. (A side) as shown below.

Check the digital amp P.C.B. (B side) as shown below.

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