Tektronix PSC1125, Instruction Manual

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Table of Contents
PSC 1125 Digital Television Parallel-to-Serial Converter Instruction Manual
iii
List of Figures
Figure 1–1: Block diagram 1–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–1: PSC 1125 front panel 2–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: PSC 1125 rear panel 2–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: Parallel input connector (Y, PB/PR) 3–2 . . . . . . . . . . . . . . . . .
Figure 3–2: Data-to-clock relation (parallel input) 3–3 . . . . . . . . . . . . . . .
Figure 4–1: Performance check initial hookup 4–5 . . . . . . . . . . . . . . . . . .
Figure 4–2: Eye pattern test initial hookup 4–8 . . . . . . . . . . . . . . . . . . . . .
Figure 4–3: Example of eye pattern for an acceptable output
signal 4–10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–1: Location of J400 5–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–2: Jumper configuration for selecting sound packets
(J300149 – J310100) 5–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–3: Jumper configuration for selecting sound packets
(J310101 and above) 5–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–1: A10 board view and test points 6–2 . . . . . . . . . . . . . . . . . . . . .
Figure 6–2: Power supply board view and VR1 6–2 . . . . . . . . . . . . . . . . . .
Figure 7–1: Top cover and shield cover removal 7–10 . . . . . . . . . . . . . . . . .
Figure 7–2: Removal of power indicator module holder
attachment 7–11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7–3: Removal of power indicator module LED and holder 7–11 . .
Figure 7–4: Power indicator assembly interconnect cable removal 7–12 . .
Figure 7–5: Noise filter and power supply module removal 7–13 . . . . . . . .
Figure 7–6: Fan module removal 7–14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7–7: A10 module removal 7–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7–8: Input and output connector removal 7–17 . . . . . . . . . . . . . . . .
Figure 7–9: Front panel and bottom cover removal 7–18 . . . . . . . . . . . . . .
Figure 8–1: Main chassis and circuit boards 8–5 . . . . . . . . . . . . . . . . . . . .
Figure 8–2: Front panel and power indicator 8–7 . . . . . . . . . . . . . . . . . . . .
Figure 8–3: Rear panel and grounding 8–9 . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9–1: Interconnections 9–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9–2: Block diagram 9–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .