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Following on from the previous post on ZX81 composite video modifications, the same can also be done on the Timex Sinclair 1000. The TS1000 is basically a ZX81 with a bit more shielding and a different TV modulator.
composite video buffer amplifier PCB from TFW8B and poked them through the appropriate holes. The new PCB has no connections on the back, so will just sit on top of these.
|Audio in||Aduio out|
|Video in||Video out|
I've updated the label on the back to show this is a multiregion TS1000/ZX81. With the switch set to NTSC, the output is NTSC composite video.