Philips DVDR985 Technical Training Manual page 98

Figure 53 - Digital Input and Output Jacks on the Analog Board
Digital Output
The unit provides two Digital Audio output con-
nections. One uses a coax output connector, and
the other uses a fiberoptic connection. The
Digital Audio output signal is gated by 7470 and
transformer coupled to connector 1945.
The optical output device, receives the same sig-
nal as the coaxial output circuit. It is buffererd
and is output via, 1943.
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