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6-109
GY-2120WD/WS
In case of NG:
For SV11 (S Reel Motor Check)
When the S reel table operation is defective:
.
Check the S reel motor drive circuit (DR-327 board or MS-54 board).
.
Check the S reel motor.
When the S reel table does not rotate at a constant speed (about 1 r.p.s.):
.
Readjust the S reel FG duty cycle (SV07).
.
Check the FG output from an S reel table rotation sensor.
.
Check the S reel FG amplifier circuit (DR-327 board or MS-54 board).
For SV12 (T Reel Motor Check)
When the T reel table operation is defective:
.
Check the T reel motor drive circuit (DR-327 board or MS-54 board).
.
Check the T reel motor.
When the T reel table does not rotate at a constant speed (about 1 r.p.s.):
.
Readjust the T reel FG duty cycle (SV08).
.
Check the FG output from a T reel table rotation sensor.
.
Check the T reel FG amplifier circuit (DR-327 board or MS-54 board).
6-2. Description of Commands
< Upper-side view>
S reel table rotation sensor
T reel table rotation sensor
S reel table
T reel table
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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