JVC KV-V8 service manual FDP display model FDP display

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1.6 Emergency display function

This unit has a function for storing the history of the past two emergencies (EMG) and displaying them on each FDP (or OSD). With the status of the VCR and mechanism at the moment an emergency occurred can also be confirmed.

FDP display model [FDP display]

0 : 00 : 00 Normal display

E: * * : * *

EMG content display

 

 

 

(E:Latest:Previous)

 

 

 

 

 

 

 

*1: *2

: 34

EMG detail information <1>

 

 

 

EMG detail information <2>

*5: *6

: *7

OSD display model [OSD display]

EMG

 

 

EMG content display

 

 

 

 

(E:Latest:Previous)

E : * * : * *

 

 

 

 

 

 

*1: *2 : 34 EMG detail information <1>

*5: *6 : *7 EMG detail information <2>

Notes:

The EMG detail information <1><2> show the information on the latest EMG.

It becomes “ – – :– :–” when there is no latest EMG record.

When using the Jig RCU, set its custom code to match the custom code of the VCR.

Jig RCU

[Data transmitting method] Depress the “ ” ( 3 ) button after the data code is set.

CUSTOM CODE

 

 

 

 

 

 

 

INITIAL MODE

43: A CODE

 

 

 

 

 

 

 

 

53:B CODE DATA CODE

Fig. 1-6a Jig RCU [PTU94023B]

1.6.1Displaying the EMG information

(1)Transmit the code “59” from the Jig RCU.

The FDP shows the EMG content in the form of “E: * * : * * ”.

Example 1 E : 01 : 03

Previous EMG

Latest EMG

Example 2 E : – – : – – No EMG record

Notes:

For the OSD display model, all EMG information are showed by transmitting first code from the Jig RCU.

For the EMG content, see “1.6.3 EMG content descrip- tion”.

(2)Transmit the code “59” from the Jig RCU again.

The FDP shows the EMG detail information <1> in the form of “ * 1 : * 2 : 34 ”.

*1 : Deck operation mode at the moment of EMG

*2 : Mechanism operation mode at the moment of EMG

3– : Mechanism sensor information at the moment of

EMG

–4 : Mechanism mode position at the moment of EMG

Note:

For the EMG detail information <1> , see “1.6.4 EMG de- tail information <1> ”.

(3)Transmit the code “59” from the Jig RCU once again.

The FDP shows the EMG detail information <2> in the form of “ * 5 : * 6 : * 7 ”.

*5 : Type of the cassette tape in use <1> .

*6 : Winding position of the cassette tape in use

*7 : Type of the cassette tape in use <2> (Winding area)

Note:

For the EMG detail information <2> , see “1.6.5 EMG de- tail information <2>”.

(4)Transmit the code “59” from the Jig RCU once again to re- set the display.

1.6.2Clearing the EMG history

(1)Display the EMG history.

(2)Transmit the code “36” from the Jig RCU.

(3)Reset the EMG display.

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Contents KV-V8 Specificatios KV-V8J Disassembly/assembly method Disassembly flow chartHow to read the disassembly and assembly Adjustment information for installationFig. D1 Fig. D4 How to set the Mechanism service mode Service positionHow to set the Service position Mechanism service modeFDP display model FDP display FDP Content Cause EMG detail information Mechanism sensor information Common table of MN*, HD* and M3 Manually removing the cassette tape Before starting repair and adjustment PrecautionsJigs and tools required for adjustment Checking for proper mechanical operations5a Mechanism assembly top side Drive CleaningLubrication Tape4 A/C head How to remove Replacement of major parts Before starting disassemblingHow to set the Mechanism assembling mode Pinch roller arm assemblyControl bracket Lever assembly, sub deck assembly, capstan motorReel disk assembly take up Loading motorControl 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 Guide rail Rotor assembly How to removeStator assembly Upper drum assembly19a 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 Tension pole position Standard tracking presetRequired test equipments PrecautionRequired adjustment tools Switch settings and standard precautionsSlow tracking preset No.49625 KV-V8