User Guide

6255/6255i/6256/6256i (RM-19)
RF Description and Troubleshooting Nokia Customer Care
Page 78 ©2005 Nokia Corporation Company Confidential Issue 2 05/2005
Bluetooth DC and RF Test Points
Figure 63 shows the bluetooth DC and RF test points on the bottom side of the main
PWB.
Figure 63: Bluetooth DC and RF test points on the bottom side of the main PWB
Table 23 shows the values associated with the bluetooth test points in Figure 63.
Table 23: Bluetooth DC and RF Test Point Values
Test
Point
Description Value
1 XTAL_IN 19MHz, 450mVp-p/1.3V
2 VDD_VCO 1.8V
3 VDD_ANA 1.8V
4 VREG_IN 2.8V
Voltage regulator
Digital
inverter
3
4
2
1