Record Player Adjustment; How To Engage Dial String; 0022 Eee - JVC MF-33L Service Manual

3 in 1 hi-fi music system
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MF-33L/ML
|
Record Player Adjustment
Confirmation of Normal Operation of Auto return
Mechanism
When
you bring pickup head part to the position of boss
(A) while
keeping the Lower Trip Pawl pushed inward
(Arrow
B) by hand,
if pickup
does
not move
forward,
operation of auto return mechanism is normal. (Fig. 10)
Adjustment Screw
Fig. 11
Speed adjustment of turntable
Adjust two semi-fixed resistor on the motor control circuit
board for each speed.
45 rpm : (A)
33 rpm : (B) in Fig. 12
Fig. 10
Lead-out adjustment
After replacing cartridge or lead-out mechanism parts, make
sure of normal operation of lead-out.
® Confirmation & Adjustment.
1) Lead-out
should
be made
when
playing JVC test
record RG-652 (pitch 3mm).
1f not, turn the adjusting screw (Fig. 11) counter-
clockwise.
2) Lead-out
should
not
be
made
when
playing
the
record RG-653 (Reverse side of RG-652).
If it is made, turn the adjusting screw clockwise.
Repeat above 1) & 2), and fix the adjusting screw at the
correct position for normal lead-out.
Fig. 12
How to Engage Dial String
1. Set the variable capacitor on maximum.
2. String dial cord in numerical order as shown in the arrow marks.
3. Overall length of cord is 655cm.
Fig. 13
No. 7020

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