ELTRA CS-800 - IR-Channels Test Points; Supply Voltages for IR Signal Processing Circuit; Outputs (Base Lines about 8 VDC. Less no Problem)

Service
104
TP 21: -12V
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5.4 55BIR-Channels test points
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Fig. 36: Mainboard (Detail) IR-cell – test points IR-channels
5.4.1
116BSupply voltages for IR signal processing circuit
TP 15: +5V reference
TP 20: Analog GND
5.4.2
117BOutputs (base lines about 8VDC. Less no problem)
TP 22: Output section [1]
TP 25: Output section [2]