LG KG200 Service Manual - Page 44
Vctcxo U603
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4. Troubleshooting VCTCXO (U603) Test point part Function U603, pin1 VCONTROL U603, pin3 OSCOUT U603, pin4 VCC Typical value 1.38V 26MHz 2.8V Description Automatic frequency control voltage (AFC) Reference frequency output Power supply - 45 -
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4. Troubleshooting
- 45 -
VCTCXO (U603)
Test point part
Function
Typical value
Description
U603, pin1
VCONTROL
1.38V
Automatic frequency control voltage (AFC)
U603, pin3
OSCOUT
26MHz
Reference frequency output
U603, pin4
VCC
2.8V
Power supply