Sony DNW-A220, Maintenance Manual, Page: 87 / 190

3-11
DNW-A220
DNW-A220P
A1 : RF ADJUST
This submode is used to adjust the RF system.
For more details, refer to maintenance manual part 2 volume 1.
Title Page Description
A11 : EQUALIZER — Automatically adjusts the PB head playing back level and PB equalizer
(for A1, A2, A3, B1, B2, and B3 channels).
A12 : REC CURRENT — Automatically adjusts the recording current.
A13 : PLAY PLL — Automatically adjusts the PB PLL circuit (in the PLAY mode).
A14 : FWD PLL — Automatically adjusts the PB PLL circuit (in the FORWARD mode).
A15 : REV PLL — Automatically adjusts the PB PLL circuit (in the REVERSE mode).
A16 : A/D GAIN — Automatically adjusts the gain when a PB RF signal is converted from analog to digital.
A17 : A11-A16 ALL ADJUST — Continuously executes the above automatic adjustment menus A11 to A16.
A1F : NV-RAM CONTROL — Saves the adjustment data in an RF system.
RF ADJUST MODE
A11:EQUALIZER
A12:REC CURRENT
A13:PLAY PLL
A14:FWD PLL
A15:REV PLL
A16:A/D GAIN
A17:A11-A16 ALL ADJUST
A1F:NV-RAM CONTROL
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3-2. TAPE Maintenance Mode (M0)
3-2-1. Overviews