JVC KV-V8 service manual Control plate, Slide plate, Sub brake assembly take up, control cam

Page 16

Reel disk assembly (take up)

Fig.2-2-9b

2.2.10Control plate

(1)Take out the slit washer, disengage the 2 hooks while lifting the control cam side of the control plate, and re- move the control plate.

Notes:

•After removing the control plate, be careful not to turn the main deck assembly upside down. Otherwise, parts such as the idler lever and clutch unit (take up) may slip out.

•After removing the control plate, the parts shown in the

following figure can be removed. The numbers [ * ] in- dicate the removal sequence.

Control plate

Slit washer

Claw

Control cam

 

(a)

Sub brake assembly (take up)

(a)

Hook Spring

Fig.2-2-11a

2.2.12Slide plate

(1)Disengage the 7 claws on the back side of the mecha- nism assembly by following the order from the claw on one end to that on the opposite end, then remove the slide plate.

Note:

•After removing the slide plate, it is possible to remove the main brake assembly (take up) and the change arm assembly.

< Back side of mechanism assembly >

Hook

Hook

 

 

[1]

 

Idler lever

Slit washer

[4] Slit disk

(take up)

[3] Clutch unit

Remove the claws in order of arrow.

Claw Claw

Claw

Belt

[2] Ider arm assembly

Fig.2-2-10a

(take up)

Fig.2-2-12a

2.2.11Sub brake assembly (take up), control cam

(1)Disengage the spring (a) of the sub-brake assembly (take up) and, while pushing the hook in the direction of the arrow, remove the sub brake assembly (take up) upward.

(2)While pushing the claw in the disengaging direction, re- move the control cam.

Change arm assembly

Main brake assembly (take up)

Slide plate

Fig.2-2-12b

2-6

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Contents KV-V8 Specificatios KV-V8J Disassembly flow chart How to read the disassembly and assemblyAdjustment information for installation Disassembly/assembly methodFig. D1 Fig. D4 Service position How to set the Service positionMechanism service mode How to set the Mechanism service modeFDP display model FDP display FDP Content Cause EMG detail information Mechanism sensor information Common table of MN*, HD* and M3 Before starting repair and adjustment Precautions Jigs and tools required for adjustmentChecking for proper mechanical operations Manually removing the cassette tape5a Mechanism assembly top side Cleaning LubricationTape DriveReplacement of major parts Before starting disassembling How to set the Mechanism assembling modePinch roller arm assembly 4 A/C head How to removeLever assembly, sub deck assembly, capstan motor Reel disk assembly take upLoading motor Control bracketControl plate Sub brake assembly take up, control camSlide plate Take up head, tension arm lever Change lever assembly, rotary encoderRemove the take up head and tension arm lever Rotor assembly How to remove Stator assemblyUpper drum assembly Guide rail19a Loading arm assemblies supply, take up Rotary encoder, change lever assembly, control camAttach the surrounding parts of the guide rail Mechanism timing chart Repeat steps 1 to 10 by using the alignment tape A2 Compatibility adjustment NotesFM waveform linearity Height and tilt of the A/C head 3 A/C head phase X-valuePlay back the alignment tape a Standard tracking preset Tension pole positionPrecaution Required adjustment toolsSwitch settings and standard precautions Required test equipmentsSlow tracking preset KV-V8 No.49625
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