Vctcxo - Pantech G310 Service Manual

G310 Service Manual

6.5.4 VCTCXO

Test
Step Typical Value
point
V801
4-1 0.5V ~ 2.5V
Pin#1
V801
4-2 2.8V
Pin#4
STEP 4-1
Condition
2, 3, 4, 5
2, 3, 4, 5
STEP 4-2
Fig.6-8. VCTCXO Check Point Circuit
STEP 4-2
4
1
Fig.6-9. VCTCXO Check Point on the PCB Layout
PANTECH
Reaction to Abnormality
Check route connection : AFC
Check route connection : VTCXO
STEP 4-1
3
2
50
R&D CONFIDENTIAL