Nokia 6150 Service & Repair Hints page 6

N501 / N502 short circuit
•
If there is a short circuit on VBATT, lift L560 and check again
•
If the current is OK one of the two PA are faulty
•
Assemble L560 back and lift L654 and pin 12 and 13 from N502
•
If the current are OK N502 are faulty, if not N501 are faulty
•
If the PCB is burnt, swap the phone
C680; C682 / short circuit
•
Lift the capacitor and check again
Figure 2: Block diagram of switching on routine
VBATT
R103 / R104
VCHAR
BTEMP
VCXO
13 MHz
C213
G600
R213
version 1.0 / 19.10.1999
CONFIDENTIAL
BB Regulator VBB 2.8V
12, 16, ...
60
CCONT
63
N100
25 VXO 2.8V
24
GENSIO
SLEEPX
113
2.8V
MAD2
D200
93
55
46
47
29
48 54
32 KHz
PURX
square
124
122
2.8V
Service & Analysis Center Europe
Training Team
B100
32 KHz
Crystal
R118
Pwr OnX
from
UI module
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