Panasonic SLSV-550 Service manual

Service Manual

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AD0302029C1

A6

Portable CD Player

l

SL-SV550P
SL-SV550PC

Colour

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

© 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

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7.1 How to display automatic adjustment
results

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1.Set power source voltage to 4.5 V DC. (AC adaptor IN)

2.Load the test disc (SZZP1054C).

3.Press the VOL- and S-XBS buttons simultaneously and hold them, and additionally press the

(PLAY/PAUSE) button.

4.Press the

(STOP/OPR OFF) button once.

5.An automatic adjustment result is displayed on the LCD.

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7.2 Display of automatic adjustment results
(Self-Check Function)

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<Example>

Follow the below steps when E-1 is displayed.

(Cause: Focus balance (FBC) is set beyond the limit.)

l Check if

1.the waveform or voltage of the focus servo circuit is correct, and

2.the optical pick-up returns to the normal state by exchanging the traverse deck.

Follow the below steps when E-4 is displayed.

(Cause: Focus gain (FGC) is set beyond the limit.)

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Check if

1.the waveform or voltage of the focus servo circuit is correct,

2.the focus coil of the optical pick-up is correct (around 8 ohms), and

3.the optical pick-up returns to the normal state by exchanging the traverse deck.

Follow the below steps when E-F is displayed.

(Cause: All adjustments (TGC, FGC, TBC, FBC) are set beyond the limit.)

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Check if

1.the optical pick-up returns to the normal state by exchanging the traverse deck, and

2.the waveform or voltage of the servo ICs are correct.

Note:

It is not always necessary to exchange the traverse deck when an error message is displayed.

Be sure to check if the circuit is defective or not before exchanging the traverse deck.

Note:

If any other disc than the test disc (SZZP1054C) is used, an error message may be displayed.

This is not a malfunction.

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