LG KG245 Service Manual page 30

3.6.3 Auxiliary Section
1. This section includes an Automatic Frequency Control(AFC) DAC, voltage reference buffers, an
Auxiliary ADC, and light controllers.
• AFC DAC: 13 bits
2. This section also contains AUX ADC and Voltage Reference
• IDAC: 10 bits
• The Auxiliary ADC provides :
- Two differential inputs for temperature sensing.
- A differential input for the battery charger current sensor
Figure 3-13. AD6537B AUXILIARY SECTION
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3. TECHNICAL BRIEF