Tx Dc Test Points - Nokia 6088 Rf Description And Troubleshooting

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Tx DC Test Points

7
8
5
6
4
1
Table 3 shows the Tx DC test points shown in Figure 7.
Test
Description
Point
1 VREG_MSMP,C861
2 VPH_PWR,C854
3 VREG_MSMC,C860 1.91V
4 VREG_MSMA,C858 2.62V
5 VEXT_DC,R840
6 VREG_TCXO,C857
7 VREG_RFRX,R855
8 VREG_RFTX,C856
Table 3: Tx DC Test Points and RF Supply Line Resistance to Ground
*Note: Always measure resistance with the phone powered off
Issue 1 10/2006
Figure 7: Bottom side Tx DC test points
Value
2.96V
3.2~4.2V >550kΩ to ground
3.2~5.7V ~9.3kΩ to ground
2.82V
2.66V
2.64V
© 2006 Nokia Corporation
RF Description and Troubleshooting
RF Supply Lines Resistance to Ground
>11kΩ to ground
>45kΩ to ground
>120kΩ to ground
>450kΩ to ground
>350kΩ to ground
>450kΩ to ground
Company Confidential
6088 (RM-218)
3
U632,U631,U629,U1
U632,U7
U632,U625
U632,U625
Q400
U632
U632,U631,U629
U632,U631,U629
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