Nokia RH-17 Series Troubleshooting - Bb page 45

CCS Technical Documentation
Display
faults 2
Are the Keyboard
LED's turned on
when phone is
turned on or when
making a phone
call?
Yes
Display
faults 3
Issue 1 04/2003
No
Measure VBATT
voltage at C313.
Is it OK?
Set phone in LOCAL mode.
Use Phoenix "Message Sender"
and navigate down as follows:
DEV_HOST --> DEV_PC -->
PN_LIGHT -->
OBJ_ROUTING_REQ -->
OBJ_PC --> UTID -->
LIGHT_CONTROL_REQ -->
LIGHT_CONTROL_TARGER_K
BD. Select
"LIGHT_STATE_BLINK" and
click "Send'
Measure the driver
signal at C314
Is the signal OK?
Nokia Corporation
Troubleshooting — BB
Check VBATT line
No
and C311, C312,
C313, C314, and
Yes
Check D300 for
orientation. If ok re-
flow it and if it does
not work, remove
No
With D300
removed, resend
command and
measure UEM
signal at pin A7 of
D300 if signal not ok
change UEM.
Yes
Check V304, V305
and V306.
Confidential
RH-17
R300.
D300.
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