Panasonic SA-PT550GCP Service Manual page 29

Case 3 B: FX65/FX66 + FX85 + Wireless Subwoofer (for PTX7, PT1050)
· In this configuration, all audio source for the Type 1 subwoofer and Type 1 first room receiver (FX65/FX66) through streams AB
via Ch 2 and Type 2 second room receiver (FX85) comes from transmitter B through streams CD via Ch 1. For this
configuration, the user must perform ID setting for FX85 if it is sold as an accessory, but for bundled type, it already is paired
with the transmitter.
B
CH2/AB
TX
A
CH2/AB
RX
1
RX
CH2/AB
RX
1
RX
CH2/AB
1
RX
Multi-room + Multi source
CH1-CD
RX
1
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1
SA-PT550GCP