Power On Sequence

1. Plug In, Press Power On 2. Fan turns on - starts noisy (high speed) 3. "Hello" is displayed 4. Last Mode used is displayed (DVD, Aux, D-in, Am, FM, or IPod) 5. Micro checks "Top" & "Home" mech switches to ID tray 1 (SW3 & Q3 = 0Vdc = tray 1 loaded in the laser). 6. If tray 1 is not in the laser compartment (default), the mech will load tray 1 in: - Not tray 1 moves to stock (center) position. (Q1 UD sensor = 0Vdc to stop rear traverse motor) - Elevator moves laser assembly up to tray 1 level (SW 3 = 0Vdc at top level to stop the stock/elevator motor @ tray 1) - Tray 1 is pulled into the laser assembly - Mech clamps the disc 7. With Tray 1 in the laser compartment, Disc Detection occurs – Laser moves away from home, laser on, focus searches. Disc spins if a disc is found. 8. Tray 1 status (contents if any) is displayed.

5 Disc Mechanism - Operation

Default position = Tray 1 is loaded into the laser assembly at plug-in, power-on when the DVD function is selected. The remaining 4 trays are in the middle "stock" area.

Tray 5 selection – (button 5 is pressed)

a) Press 5 button – Display = "Disc 5" b) Laser unclamps and the tray returns to middle stock location (TRV motor). c) Display = "Change" d) Laser assembly lowers to tray 5 location (Stocker motor). e) TRV motor pulls tray 5 into the laser assembly. f) TRV motor clamps the disc if any. g) TRV motor moves the sled away from home position to begin disc readout for play.

All Trays out – (Close / Open button is pressed)

a) Laser drops down (unclamps) and tray returns to middle stock location (TRV motor). b) Stocker motor continues to turn to internally catch all 5 gears of the #328 "OC" gear. When the last gear is caught, all the trays are moved to the end of the stock area almost out of the mechanism (for disc insertion)