Panasonic AP380 Manuale di servizio - Pagina 18

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To Check Purity:

Press the Recall Button on the Remote Control when in Service Mode (red "CHK" is displayed) to enter the Purity

Field Check Mode.

Entering Service Mode (Back-Open Method)

1. While the Receiver is ON and operating in Normal Mode, momentarily

short test point FA1 (TP8) to Cold Ground (

The Receiver enters the Aging Mode .

Yellow letters "CHK" appear in the upper left corner of the CRT.

(The Volume Up/Down will adjust rapidly).

2. Simultaneously press the Action and the Volume Up buttons on the

Receiver Control Panel.

The Receiver enters the Service Mode.

The letter in "CHK" turn red.

(The Volume Up/Down will adjust normally).

(All customer controls are set to nominal level).

NORMAL

SCREEN

Press Recall again to select desired field.

BLUE

GRN.

SCREEN

Figure 15. Purity Check Field Mode.

IMPORTANT NOTE:

Always Exit the Service Mode

Following Adjustments.

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RED

WHITE

SCREEN

) FA2 (TP3) A-Board.