Display Phoenix Interface; Keypad Backlight; How The Keypad Backlight Works - Nokia 6235 Baseband Description And Troubleshooting

6235/6235i/6236i (RM-60)
Baseband Description and Troubleshooting

Display Phoenix Interface

Run the Display Test and Display Tune in Phoenix to check the display.

Keypad Backlight

How the Keypad Backlight Works

Klight coming out of UEMEK controls the keypad backlight LED's. Dlight enables the LED
driver, which is a constant current supply for all the keypad LED in parallel. The current is
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Figure 23: Phoenix Display Test option
Figure 24: Phoenix Display Tune option
©2005 Nokia Corporation
Company Confidential Issue 1 04/2005