Nokia RH-128 Service Manual
Also see for 1506: User guideService manualUser guide
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Contents
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RH-128Baseband Description and Troubleshootingdifferent battery sizes. The resistors are connected to the BSI pin inside the battery connector.BSI= BATIDCharging Circuitry Display and KeypadThe mobile terminal uses light-emitting diodes (LEDs) for liquid crystal display (LCD) and keypadillumination. There are two white LEDs for the LCD and six LEDs for the keypad. KEYPAD_LED isthe signal used to drive keypad LEDs. LCD_BL_EN is the signal used to drive LCD LEDs. Themobile terminal uses a color LCD. The interface uses a parallel bus to transfer the Command/ Databetween CBP and LCD.COMPANY CONFIDENTIALCopyright © 2009 Nokia. All rights reserved.Issue 1Page 5-12 |
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