Sharp 13VT-K100 Service Manual download pdf (Page 35)

13VT-K100/150

13VT-CK10

REPLACING THE UPPER AND LOWER DRUM

ASSEMBLY

• Replacement (Perform in the numerical order)

1Remove the motor as stated in Page 34 D.D. motor

replacement.

2Remove the drum earth brush 2.

3Remove the drum base 3 from the upper and lower

drum assembly 1.

[Cares when replacing the drum]

1. Be careful so that the drum earth brush is not lost.

2. Do not touch directly the drum surface.

3. Fit gently the screwdriver to the screws.

4. Since the drum assembly is an extremely precise

assembly, it must be handled with utmost care.

5. Make sure that the drum surface is free from dust, dirt

and foreign substances.

6. After replacing the drum be sure to perform the tape

running adjustment.

After that, perform also the electrical adjustment.

• Playback switching point adjustment

• X-position adjustment and check

7. After replacing the drum clean the drum.

Figure 1-39.

ASSEMBLING OF PHASE MATCHING

MECHANISM COMPONENTS

• Assemble the phase matching mechanism com-

ponents in the following order.

1. Assemble the pinch roller assembly and pinch drive

cam.

2. Mounting the shifter (on the back of the mechanism

chassis).

3. Mounting the master cam (on the back of the mecha-

nism chassis).

4. Assemble the connection gear, slow brake and load-

ing motor parts.

• Pinch drive cam and pinch roller

assembling method.

(Place the following parts in position in numerical

order.)

(1)Reverse drive lever 1

(2)Reverse guide spring 2

(3)Reverse guide lever ass’y 3

(4)Reverse guide height adjusting nut 4

(5)Pinch drive cam 5

(6)Pinch roller ass’y 6

(7)Open lever 7

Figure 1-40.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 89 90

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Sharp 13VT-K100 Service Manual Page 35

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