Sony DNW-A220 - Page 89

3-13
DNW-A220
DNW-A220P
BETACAM PB ADJUST MODE
A30:EQ VR
A32:DM VR 1
A33:DM VR 2
A34:DM VR 3
A35:DM VR 4
A36:DM VR 5
A37:TBC VR
A3F:NV-RAM CONTROL
*
A3 : BETACAM PB ADJUST
This submode is used to adjust the PB system based on a Betacam/Betacam SP format.
This submode is displayed only for player.
For more details, refer to maintenance manual part 2 volume 1.
Title Page Description
A30 : EQ VR — Adjusts the gain of an analog Betacam PB RF amplifier (EQ-72 board).
A32 : DM VR 1 — Adjusts the frequency characteristics of a primary cosine equalizer
(DM-114/114P board).
A33 : DM VR 2 — Adjusts the frequency characteristics of a secondary cosine equalizer
(main) (DM-114/114P board).
A34 : DM VR 3 — Adjusts the frequency characteristics of a secondary cosine equalizer
(sub) (DM-114/114P board).
A35 : DM VR 4 — Adjusts the guard band width and sets the DC offset level of an over-
modulation compensation circuit.
A36 : DM VR 5 — Adjusts the threshold level of a dropout and sets the threshold level of
an RF envelope.
A37 : TBC VR — Sets the read clock timing on the DM-114/114P board and the data of a
PB VISC phase detection circuit.
A3F : NV-RAM CONTROL — Saves the adjustment data in an analog Betacam PB system.
A4 : MECHANISM ADJUST
This submode is used to adjust the mechanism part.
For more details, refer to maintenance manual part 2 volume 1.
Title Page Description
A40 : PATH MODE SEL _ Sets the tape PB mode (Used for transport adjustment).
3-2. TAPE Maintenance Mode (M0)
3-2-1. Overviews
MECHANISM ADJUST
A40:PATH MODE SEL
*