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WM-10 WM-20
Defective Tape Transport IIJ
• Defective tape transport
* Noise
* Wow/flutter
• No shut-off
• Shuts off during tape transportation
* Defective button operation
• Tape winds around pinch roller during FVUD
* Tape is damaged during ejection
*
Defective tape transport
Cause
Defective Location
1) Capstan shaft and roller not parallel,
2) Cassette inserted position not good.
Stick transparent spacers (Luminer) at left or right: or both.
Luminer No. 3-315483-01 (
5
x
5
x
0
,
35
)
• Noise
Cause
Defective Location
1) Foreign object in gears.
2}
@ T red shaft bent,
3) 0 S reel table warped.
Replace parts.
Rotate T„ S reel tables and check that there is no noise or
catching.
* Wow/FI utter
Cause
Defective Location
1) Imperfection in (si) capstan bush.
2)
Not enough
oil
between
@i
capstan bush and (§j)
sleeve,
3) @ pinch roller dirty.
4) No ©■ flywheel thrust play.
1) Replace parts.
2) Lubricate, but
be
careful not to apply
too
much.
3) Cleaning. But be careful that the
shut-off
lever spring
under
pinch
roller does
not
come off.
4) Play is lost when mounting the capstan bush; pull the
flywheel gently to get ciearanee.
* No Shut-off
Cause
Defective Location
1) Defective positioning between ® shut off lever (pinch
roller) and @ shut-off gear C (sleeve ass'y),
2)
@ function plate ass'y lock plate release operation
heavy.
1) Move @i sleeve ass'y to the right as seen from the rear.
2)
Replace
function plate ass'y.
• Shuts off during tape transportation
Cause
Defective Location
1) Play lever and lock plate lock separates during FWD,
2) i^j) shut-off lever return spring comes off.
1) Replace ® function plate ass'y.
Check; With power off, lock FWD, then if button is
released when the pinch roller is pushed to the button
side, the lock is defective.
2) Replace @ shut-off lever return spring or @ shut-off
lever (pinch lever ass'y)
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15
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