Nokia 2608 Service Manual page 61

RM-376
RF Troubleshooting
# Description
1 VREG_MSMP,
2 VPH_PWR,
3 VREG_MSMC,
4 VREG_MSMA,
5 VREG_TCXO,
6 VREG_RFRX,
7 VREG_RFTX,
Table 2 Bottom side TX vo
*Note: Always measure resistance m
Issue1
Test Point Value
C608.1 2.6V
C514.1 3.4~4.2
C622.1 1.2V
C615.1 2.6V
C602.1 2.85V
C803.1 2.65V
C808.1 2.65V
ltage checking test
easure resistance with the phone powered o
Figure 2 Bottom side TX voltage checking test point
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RF Supply Lines Resistance to Ground
>290kΩ to ground
V >200kΩ to ground
>18kΩ to ground
>37kΩ to ground
~500kΩ to ground
>274kΩ to ground
~276kΩ to ground
points and RF Supply Line Resistance to Ground
ff
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