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— a hand—held microphone. The system receives audio signals from : — COM 1 installation (if installed) — refer to 23-12-00, — COM 2 installation (if installed) — refer to 23-13-00, — the Marker system (if installed) — refer to 34-31-00, — the NAV 1 installation (if installed) — refer to 34-51-00, — the NAV 2 installation (if installed) — refer to 34-52-00, — the automatic direction finder system (if installed) — refer to 34-54-00, — the DME installation (if installed) — refer to 34-55-00. The system receives unmuted audio signals or warning tones from : — the global positioning system (GPS) (if installed) — refer to 34-57-00, — the altitude / vertical speed selector (if installed) — refer to 22-12-00, — the aural warning unit (landing gear—stall) only for aircraft equipped with retractable landing gear — refer to 31-50-00. The A50 audio control box is electrically supplied by "BUS 1" and "BUS 3" bars. mz 1—z Do 50 w2 ccr= ro¢ 1_ 0., w (,) 0 wz Ex ...(2 < cc u j cc 1.11 fx 0 -- 0 cz 2 EL CC / 0 ELI CC 0- 1.Z L-z 0 0 CC CC I-- WO < 0_ nc zcn< o a I__ c_.) u.„ > Lu occ 1— I¬< < Z CCCC WW I— 1— _1 -.I \ < /1—/` Z CC CC UJ UJ I < WZ Do 111 1—Z 0c) 0""c OW cc 0— U— W \mZ oZ 0 w DO CC Cc w., ow 0., ncr ow Luz a_ VHF capability — Electrical schematic Figure 1 AEAE Validity : KMA 24H — 50 / 52 23-11-00Page 2 (BQ) DEC 99 2. LOCATION (Figures 2 and 3) COMPONENT QTY AREA ACCESS DOOR REFERENCE A50 audio control box 1 251C / 23-10-00 Cabin loudspeaker 1 240 / 23-11-00 Pilot connection jacks / 236 / 23-11-00 R.H. front station connection jacks / 236 / 23-11-00 Rear passenger connection jacks / 236 / 23-11-00 Hand—held microphone 1 236 / 23-11-00 Circuit breaker : — "AUDIO" 2 230 232L WM 3. OPERATION A — A50 audio control box ® |
