4. TROUBLE SHOOTING
U503
MIC5255-2.85BM5
5
4
3
1
2
OUT
BY P
EN
IN
GND
RF 2.85V
RF_LDO
C535
22n
VBAT
C529
4.7n
(1608)
C536
4.7u
CLKON
AFC
4.2.3 Check VCTCXO Circuit
Figure 4-3 VCTCXO Circuit
13Mhz Right?
2.75v Right?
Check U101
VCTCXO Circuit
no problem, check
below, or software
Replace X501
Y
Y
N
N
Chec Pin3
Figure 4-3
Check Pin 4
Figure 4-3
C539
2.2u
C528
100p
X500
26MHz
4
3
2
1
VCC
OUT
GND
VCONT
2V75_VVCXO
R515
10K
C540
0.1u
R510
100
9
Summary of Contents for C3600
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