4. DOWNLOAD
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Only for training and service purposes
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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
- 6 -
Figure 4.1.1 (a)
No
No
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)
Replace Main B/D
Replace X1500 and then check TP1(R1510)
XO circuit is Ok. See next page.
to check RF signal path .
XO circuit is Ok. See next page.
to check RF signal path.
START