Yaesu FT-901DM Maintenance Service Manual page 99
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Also See for FT-901DM:
- Maintenance service manual (199 pages) ,
- Instruction manual (54 pages) ,
- Survival manual (37 pages)
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SERVICING
(4)
Clarifier
(a)
(b)
(c)
(d)
Frequency jumps
with clarifier on
OFF and "0" condi-
tion do not coincide
in frequency
Frequency jumps
with clarifier off,
OK with clarifier on
Frequency jumps
regardless of clarifier
position
Defective
VRos,
Rs, R103,
S210,
Snios » RL2i02
Defective
VRzio.1,
Reioi,
Reto,
RL avo
Defective VR2101, Rzio1, Raio2 + Szios
Unstable 6V REG supply, check Qjs01
and VRiso1
Check VFO unit
* Check VCO unit
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