Marantz TT6200 - Page 5

(2) TROUBLESHOOTING
1. The tonearm will not automatically start. |
Check to see that turntable platter starts rotation when start/stop knob is
3 moved to start position.
BS See next step (2).
Yes: Check to see that drive gear will rotate.
i. Yes: Check to see that moving cap assy. moves connecting to
tonearm fixing plate.
Yes: Tonearm sensitivity on horizontal movement is not
enough.
No: Moving cap is removed or grease is adhered to the cap.
No: Move the start/stop knob to stop position. Check to see thai
drive gear rotates when turntable shaft is rotated by hand.
rTNo: Seesaw shaft is out of the groove in drive gear.
Yes: Check to see that drive gear is correctly mounted referring
to Adjustment 4.
Yes: Ratchet is not correctly mounted or ratchet is .
defective.
No: Moving plate is not correctly mounted or moving
plate is defective.
2. The turntable platter will not rotate even though start/stop knob is moved
to start position.
Check to see that turntable platter starts rotation when tonearm is moved
above the record by hand.
Yes: Check to see that the gap between operating plate and microswitch
is adequately adjusted.
Yes: Microswitch is defective.
No: Adjust the gap.
No: Check to see that thie voltage is supplied between (3) and oy termi-
nals in Power supply printed circuit board.
No: AC power supply cord is defectwe:
ae Yes: Check to see that the voltage is supplied to the primary
ee terminal of power transformer.
No: Fuse or microswitch is defective.
Yes: Check to see that the voltage is supplied between (16) and
(17) terminals. .
No: Power transformer is defective.
Yes: Check to see that the voltage is supplied between
— ay and (12) terminals.
Yes: Motor is defective.
No: The rectification circuit is defective.
3. The tonearm will not automatically return.
Check to see that the gap between turntable gear and ratchet is adequate
referring to Adjustment 4.
ae , Pe Adjust the gap.
Yes:
Check
to
see
that
tonearm
returns
when
tonearm
is
moved
to.
the
most inner position of turntable.
gear assy. is not laterally mounted.
Yes: Adjust return position referring to Adjustment 5.
No: Tonearm fixing plate assy. is not correctly mounted, or drive |
Moving plate Assy.
0.3~0.5mm
(OMRON)
0.7~1Imm
Adjusting pin (MATSUSHITA)
Stop switch
Fig. 12
17cm 30cm
lead-in adjusting pins
Fig. 13
VR(33.45rpm)
@1i0