Tx Dc Test Points - Nokia 1265 Description And Troubleshooting

1265 (RH-103)
RF Description and Troubleshooting

Tx DC Test Points

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Table 3 shows the Tx DC test points shown in Figure 8.
Test
Description
Point
1 VREG_MSMP,c250 2.6V
2 VPH_PWR,r214
3 VREG_MSMC,c244 1.2V
4 VREG_MSMA,c265 2.6V
5 VEXT_DC,L208
6 VREG_TCXO,L732
7 VREG_RFRX,c278
8 VREG_RFTX,c252
Table 3: Tx DC Test Points and RF Supply Line Resistance to Ground
*Note: Always measure resistance measure resistance with the phone powered off
Page 10 © 2007 Nokia Corporation
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Figure 8: Bottom side Tx DC test points
Value RF Supply Lines Resistance to Ground
>320kΩ to ground
3.2~4.2V >500kΩ to ground
>9.6kΩ to ground
>23kΩ to ground
3.2~5.7V ~9.2kΩ to ground
2.85V ~26kΩ to ground
2.6V >320kΩ to ground
2.6V ~1.3kΩ to ground
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U6010
U6010,U700
U6010
U6010
Q209
U6010,U700
U6010
U6010
Company Confidential
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Issue 1 04/2007