Sony HAP-S1 Service Manual page 33

4-4. LCD/Others
Procedure:
1. Enter the service DIAG mode.
(Refer to "1. Entering Method of The Service DIAG Mode" on
page 31)
2. Rotate the [PUSH ENTER] knob to select the "4. LCD/Others".
3. Press the [PUSH ENTER] knob to enter the "4. LCD/Others"
mode.
4.LCD/Others
1. LCD Color Bar
2. LCD Back light Check
3. RTC Check
4. FAN Control Check
5. Back to Main Menu
4-4-1. LCD Color Bar
It can check the liquid crystal display.
Procedure:
1. Enter the "4. LCD/Others" mode.
(Refer to "4-4. LCD/Others")
2. Rotate the [PUSH ENTER] knob to select the "1. LCD Color
Bar".
3. Press the [PUSH ENTER] knob to enter the "1. LCD Color
Bar" mode.
4. The color bar is displayed on the liquid crystal display.
4-4-2. LCD Back light Check
It can check the liquid crystal display back light.
Procedure:
1. Enter the "4. LCD/Others" mode.
(Refer to "4-4. LCD/Others")
2. Rotate the [PUSH ENTER] knob to select the "2. LCD Back
light Check".
3. Press the [PUSH ENTER] knob to enter the "2. LCD Back
light Check.
4. The back light continues changing on the white screen as fol-
lows.
4-4-3. RTC Check
It can check the real time clock.
Procedure:
1. Enter the "4. LCD/Others" mode.
(Refer to "4-4. LCD/Others")
2. Rotate the [PUSH ENTER] knob to select the "3. RTC Check".
3. Press the [PUSH ENTER] knob to enter the "3. RTC Check"
mode.
4. The result of real time clock check "OK" or "NG" is displayed
on the liquid crystal display.
4-3.RTC Check
Back to LCD/Others Menu
HAP-S1
OK
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