4. DOWNLOAD
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Only for training and service purposes
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START
No
Replace Main B/D
Yes
Yes
Check TP1(R1510)
Is it 26MHz?
Refer to Figure 4.1.1(a)
Is it 26MHz?
Refer to Figure 4.1.1(a)
XO circuit is Ok. See next page
to check RF signal path
XO circuit is Ok. See next page
to check RF signal path
Replace X1500 and then check TP1(R1510)
No
4. Trouble Shooting
Checking Flow
Start
XO circuit is Ok . See next page
.
YES
Check TP1(R1510)
Is it 26MHz?
Refer to Figure 4.1.1(a)
to check RF signal path
NO
Is it 26MHz?
R f t Fi
4 1 1( )
XO circuit is Ok . See next page
to check RF signal path
Replace X1500 and then check TP1(R1510)
NO
Replace Main B/D
Refer to Figure 4.1.1(a)
to check RF signal path .
YES
Waveform
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Figure 4.1.1 (a)
Figure4.1.1(a)