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The Side Jack panel has a Composite Video and SVHS input. There is a left and right channel audio
input. When there is a connector in the SVHS input, the Composite input is muted. A switching circuit
signals the Microprocessor when there is something plugged into the SVHS or Headphone
connectors.
Composite Inputs
Figure 9
The Composite inputs are located on the SSM. There are two Composite or SVHS inputs. A
connector in the SVHS inputs will mute the Composite inputs. A connector in the SVHS inputs will
cause a voltage change on the SEL-SVHS-RR_STATUS2 line. This will signal the Microprocessor
that something is connected to that input.
Diodes 6018, 6020, 6021, and 6023 clamp the input signal levels to prevent an excessive voltage
from being applied to the inputs.
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