Sony GY-2120WD Maintenance Manual page 304

6-2. Description of Commands
Command Title
SV19 S Reel Brake Solenoid Check
SV1A T Reel Brake Solenoid Check
SV1B Cleaning Roller Solenoid Check
SV1C Reel/Capstan Motor & FG Check
*1
SV1D SAT Function Check
*4
SV1E Manual PG Adjustment
SV1F Servo NV-RAM Check
*1: This command requires alignment tape YR5-1.
*2: This command requires a recording tape.
*3: This command requires alignment tape YR2-1.
*4: This command requires alignment tape YR2-1 and an oscilloscope.
6-80
Description
Checks the function of a S reel brake solenoid.
Checks the function of a T reel brake solenoid.
Checks the function of a cleaning roller solenoid.
Check the followings automatically and continuously.
. Reel FG and reel motor operations (on supply and take-up sides)
. Capstan FG and capstan motor operations
. Reel offset and friction (on supply and take-up sides)
. Reel motor torque (on supply and take-up sides)
Checks the function of an automatic tracking circuit.
Adjusts the PG manually.
Checks the NV-RAM for servo system.
GY-2120WD/WS