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sb908.doc
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1990-10-14
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678b
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27 lines
SB-908
TS-940S PLL Unlock 4-8-86
Reports of a PLL unlock on the lower frequencies may be due to low VCO
levels. The following change will increase the VCO level and should
prevent reoccurrance of this symptom.
Part Required
C168 change to 15 pF 50v (CC45SL1H150J)
Procedure:
1. On the RF Unit (X44-1660-00) change C168 from a 33 pF capacitor to a
15pf 50v capacitor.
2. Readjust the VCO BPF (RF unit L74-76) according to the instructions
contained in the TS-940S Service Manual.
This change is applicable to serial numbers prior to 606XXXX.
Time required for this modification is 1 hour or less.
(c) 121589TKC