Panasonic CT-27G6UE 서비스 매뉴얼 - 페이지 18

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Panasonic CT-27G6UE에 대해서도 마찬가지입니다: 서비스 매뉴얼 (12 페이지)

페이지 인쇄

To Check Purity:

When Receiver is in Service Mode (red "CHK" is displayed), place a jumper in the AG connector between the

terminals (shorting FB signal to ground). Press the Recall Button on the Remote Control to enter the White Purity

Field Check Mode. Remove the jumper from the AG connector and press Recall repeatedly to toggle the Receiver

into the Red/Green/Blue Purity Field Check Modes.

Note: if jumper is not removed, colors will be displayed at high luminosity.

In Aging Mode (factory mode, yellow "CHK" is displayed), place a jumper in the AG connector between the

terminals. Press Recall on the Remote Control to enter the Purity Field Check Mode.

Helpful Hints

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).

Always Exit the Service Mode

Following Adjustments.

Other Adjustment

AFCT

AFCB

AFCC

CLOCK

Press Recall again to select desired field.

BLUE

GRN.

SCREEN

Figure 15. Purity Check Field Mode.

IMPORTANT

Default Level

(Without FM)

128

TO B ITEMS

NORMAL

SCREEN

RED

WHITE

SCREEN

) FA2 (TP3) A-Board.

Note: Only applicable settings for

the Receiver serviced will be

available.

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Default

Level

(With FM)

128