Panasonic CT-27D10UB 서비스 매뉴얼 - 페이지 20

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To Check Purity:

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

Purity Field Check Mode.

Entering Serviceman 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.

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

Receiver Control Panel.

The Receiver enters the Serviceman Mode.

The letter in "CHK" turn red.

(The Volume Up/Down will adjust normally).

(All customer controls are set to nominal level).

Press Recall again to select desired field.

BLUE

GRN.

SCREEN

Figure 15. Purity Check Field Mode.

(The Volume Up/Down will adjust rapidly).

IMPORTANT NOTE:

Always Exit the Serviceman

Mode Following Adjustments.

NORMAL

SCREEN

RED

WHITE

SCREEN

) FA2 (TP3) A-Board.

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