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6-98
GY-2120WD/WS
For SV02 (S Reel FG Duty Adjust)
Check the following circuits.
.
S reel FG amplifier (DR-327 board)
.
S reel motor driver (DR-327 board)
For SV03 (T Reel FG Duty Adjust)
Check the following circuits.
.
T reel FG amplifier (DR-327 board)
.
T reel motor driver (DR-327 board)
For SV04 (Capstan FG Duty Adjust)
Check the following circuits.
.
Capstan FG amplifier (DR-327 board)
.
Capstan motor driver (DR-327 board)
For SV05 (S Reel offset/friction Adjust)
.
Readjust the S reel FG duty cycle (SV02).
.
Check the S reel motor driver circuit (DR-327 board).
For SV06 (T Reel offset/friction Adjust)
.
Readjust the T reel FG duty cycle (SV03).
.
Check the T reel motor driver circuit (DR-327 board).
For SV07 (S Reel Torque Adjust)
.
Readjust the S reel FG duty cycle (SV02).
.
Check the S reel motor driver circuit (DR-327 board).
For SV08 (T Reel Torque Adjust)
.
Readjust the T reel FG duty cycle (SV03).
.
Check the T reel motor driver circuit (DR-327 board).
For SV09 (S/T Tension offset Adjust)
Check the following circuits.
.
S tension detector circuit (IC40 on the DR-327 board)
.
T tension detector circuit (IC32 on the DR-327 board)
For SV0A (Free Speed Adjust)
.
Confirm that the playback tape is alignment tape YR2-1.
Check the following circuits.
.
Capstan FG amplifier (DR-327 board)
.
Capstan motor driver (DR-327 board)
.
CTL amplifier (DR-327 board)
If message “# Adjust Incomplete #” is displayed on the screen when servo adjustment commands (SV01 to SV0B) are
executed, check the following.
For SV0B (RF Switching Position Adjust)
Confirm that the playback tape is alignment tape YR2-1.
.
Readjust the free speed (SV0A).
Check the following circuits.
.
REC head PB circuit (EQ-66 board)
.
Automatic tracking control circuit
(Servo system on the EQ-66 board)
6-2. Description of Commands
Summary of Contents for GY-2120WD
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Page 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Page 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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