Sony Betacam SX DNW-A100 Maintenance Manual

A-5DNW-A100/A50P/A45DNW-A100P/A50P/A45PDrumPB B8PB A1PB A2PB B1PB B2DummyPB A3PB A4PB B3PB B4PB B7PB A8AT EraseATPB A7REC BREC AErasePB B6PB B5PB A6PB A5Full EraseCTLY-B C-BC-A Y-ADuring recording :PB A1 and PB B1 operate as the CONFIDENCE head.. DNW-A50/A50P/A45/A45P :8 heads (PB A2, PB A4, PB A6, PB A8and PB B2, PB B4, PB B6, PB B8)_1 to +1 Variable-speed playback :PB A2, PB A6, PB B2, and PB B6 operate.Variable-speed playback except described above :All heads operate.During recording :PB A2 and PB B2 operate as the CONFIDENCE head.CONFIDENCE heads: Heads that plays back the recorded tracks duringrecording by the recording heads. This head is usedto confirm the condition recorded at that time.There are four playback heads (two-channel Y/C heads aremounted in pairs at an angle of 180 degrees opposite toeach other) for the Betacam/Betacam SP format.A-3. Head ConfigurationFig. A-3-1. Configuration and Placement of Stationary Heads and Rotary Heads (DNW-A100/A100P)A-3. Head ConfigurationFig. A-3-1 shows the configuration of the stationary androtary heads in the DNW-A100/A100P, and its top view.However, the rotary heads can be actually viewed only theirtips from the side of the drum.There are two recording heads (A and B) on the rotary drumfor the Betacam SX format. The erase head is mounted in theheight ahead by 16 tracks than the recording head and erasesthe recording tracks of A and B channel collectively.There are 16 or 8 playback heads on the rotary dum for theBetacam SX format. (The data transfer at four times thenormal speed requires 16 playback heads.). DNW-A100/A100P : 16 heads (PB A1 to PB A8 andPB B1 to PB B8)_1 to +1 Variable-speed playback :PB A1, PB A5, PB B1, and PB B5 operate.Variable-speed playback except described aboveAll heads operate.http://getMANUAL.com