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VB_EXT line fail
(0x0001)
YES
YES
Does also Hinku's VB_EXT
line fail (0x0001)
YES
YES
Propable cause:
Propable cause:
Poor soldering/faulty RETU
Poor soldering/faulty RETU
Other possible reasons:
Other possible reasons:
- Problem in VB_ext connection
-Problem in VB_EXT connection
between RF & BB
between RF & BB
- Poor soldering/faulty
- Poor soldering/faulty HINKU and
HINKU AND VINKU
VINKU
A-10
ST_CDSP_RF_SUPPLY_TEST,
ST_CDSP_RF_SUPPLY_TEST,
VINKU ERRORS, PAGE2
VINKU ERRORS, PAGE2
NO
NO
NO
NO
VXO supply fail
(0x0002)
YES
YES
Propable cause:
Propable cause:
Faulty Vinku /Test error
Faulty Vinku/Test error
NO
NO
(BB/IF tests have been
(BB/IF tests have been passed so
passed so VDIG has to be OK!
VDIG has to be OK! So the
So the problem is in the testmux )
problem is in the test mux)
Propable cause:
Propable cause:
Poor solder/faulty VINKU
Poor solder/Faulty VINKU
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NO
NO
VBAT1 OR VR1
VBAT2 OR VR2
(0x0004)
(0x0008)
YES
YES
VBAT1 (VBAT_ASIC)
VBAT2 (VBAT_ASIC)
OK?
OK?
YES
YES
VR1 (VREG1) OK?
NO
NO
VR2 (VREG2) OK?
YES
YES
Propable cause:
Propable cause:
Propable cause:
Test error
Test error
Propable cause:
Propable cause:
Poor solder/Faulty VINKU
Poor soldering/faulty RETU
Other possible reasons:
Other possible reasons:
Faulty capacitor connected
Faulty capacitor connected
to VR1
to VR1
Appendix A: RF Troubleshooting
Go to
Go to
NO
NO
ST_CDSP_RF_SUPP
ST_CDSP_RF_SUPPLY
_TEST VINKU ERRORS
LY
PAGE 3
_TEST VINKU
ERRORS PAGE 3
YES
YES
YES
YES
NO
NO
YES
YES
Propable cause:
Test error
Test error
Propable cause:
Propable cause:
Poor solder/faulty VINKU
Poor solder/Faulty VINKU
Other possible reasons:
Other possible reasons:
Faulty capacitor connected
Faulty capacitor connected
to VR2
to VR2
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