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Apollo Repair instructions 1.0
1 VGC troubleshooting
1.1 BSE module troubleshooting.
1 VGC troubleshooting
The measuring points and the test LEDs on the individual PCBs are presented in the following.
Fig.1 Measuring points and test LEDs on ANALOG PCB (for component replacement see VGC).
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Fig.2 Measuring points and fuses on the VGC POWER PCB (for component replacement see VGC).
1.1 BSE module troubleshooting.
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Fig.3 BSE and loudspeaker (without headphone output socket)
Item Component
1 Loudspeaker.
2 BSE PCB.
3 LED A (lit during inspiration).
4 LED B (lit during communication).
5 LED 3V3 (lit when 3.3 V is present).
6 LED 5V (lit when 5 V is present).
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Fig.4 BSE and loudspeaker (with headphone output socket)
Item Component
1 Loudspeaker.
2 BSE PCB.
3 LED A (lit during inspiration).
4 LED B (lit during communication).
5 LED 3V3 (lit when 3.3 V is present).
6 LED 5V (lit when 5 V is present).
7 Jumper X13 (if no headphone output socket is
connected to the "Headphones" connector,
jumper X13 must be installed).
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