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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.
(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 Serviceman 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
SCREEN
Figure 28. Purity Check Field Mode.
Helpful Hints
IMPORTANT NOTE:
Always Exit the Serviceman
Mode Following Adjustments.
- 25 -
RED
WHITE
SCREEN
SCREEN
) FA2 (TP3) A-Board.
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