4. DOWNLOAD
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Only for training and service purposes
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START
Replace Main B/D
Check
TP1(R1510)
Is it 26MHz?
Refer to Figure 4.1.1(a)
Is
it 26MHz?
Refer to Figure 4.1.1(a)
XO circulit Ko. see next page
to check RF signal path.
XO circulit Ko. see next page
to check RF signal path.
Replace X1500 and then check TP1(R1510)
YES
YES
NO
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)
Figure 4.1.1 (a)