JVC SR-9090U Optional SA-K97U RS-232C Interface Board, Troubleshooting, No Error Indication

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8 TROUBLESHOOTING

8-2 No Error Indication

9 OPTIONAL SA-K97U RS-232C INTERFACE BOARD

Functions that can be controlled with front panel buttons and switches can also be controlled from a personal computer when the optional SA-K97U RS-232C interface board is installed. Operation status can also be monitored on the computer.

Symptoms

Causes

Remedies

 

No power is supplied.

q Is the power cord disconnected?

q Connect the power cord to an AC outlet.

 

 

q Is the [TIMER] indication shown?

q Press the [TIMER] button so that the

 

 

q Is the Operation Lock mode

[TIMER] indication goes out.

 

 

engaged?

q Release the Operation Lock mode.

 

 

 

 

 

Operation buttons have no effect

Is the Operation Lock mode

Release the Operation Lock mode.

 

during recording and playback.

engaged?

 

 

 

 

 

 

 

No picture is shown during

q Is the monitor connected correctly?

q Connect the monitor correctly.

 

playback.

q Is the [TIMER] indication lit?

q Press the [TIMER] button to clear the

 

 

 

[TIMER] indication.

 

 

 

 

 

Noise appears in the picture in

This is not a malfunction.

 

 

the Shuttle Search mode, Still

 

 

mode and Field Advance mode.

 

 

 

Noise appears in part of the

Is the tracking adjusted properly?

Adjust the tracking with the [TRACKNG

 

playback picture.

 

+/–] button.

 

 

 

 

 

When the cassette is played

Dust may have accumulated on the

Clean the heads with a commercially-

 

back, the picture becomes

video heads.

available head cleaning tape. If the picture

 

rough or disappears.

 

quality is still unsatisfactory, consult your

 

 

 

local JVC dealer.

 

 

 

 

 

No sound is heard during

q Are you recording in a timelapse

Use a tape on which sound is recorded.

 

playback.

mode? If so, sound is not recorded.

 

 

 

q During alarm scan, no sound is

 

 

 

output.

 

 

 

 

 

 

Recording is impossible.

Has the cassette safety tab been

Paste a piece of cellophane tape over

 

 

removed?

the hole.

 

Timer recording is not working.

q Is the clock set correctly? Is the

q Check again.

 

 

timer properly programmed?

 

 

 

q Is the [TIMER] indication lit?

q Check it again.

 

 

 

 

 

The clock cannot be set.

Is the [TIMER] indication lit?

Press the [TIMER] button so that the

 

 

 

[TIMER] indication goes out.

 

 

 

 

 

Tape running sound is heard in

During recording and playback, the

If you feel it is too noisy, install the VCR

 

the Record, Play, FF and REW

VCR’s motor and rotary heads are

in a rack.

 

modes.

running. The sound this generates is

 

 

 

normal and not a malfunction.

 

 

 

 

 

 

The time/date is not shown.

q Is the clock set?

q Set the clock.

 

 

q Is the <ON SCREEN MODE>

q Set the <ON SCREEN MODE> menu

 

 

menu switch set to “OFF”?

switch to “ON”.

 

Auto REW and repeat recording

Is the <TAPE END MODE> menu

Set the <TAPE END MODE> menu

 

9-1 Installation of the SA-K97U

Rear panel

 

 

AC~IN

 

 

AC120V~50/60Hz

 

AUDIO

VIDEO Y/C

 

IN

 

REMOTE

MIC

 

 

OUT

 

 

SA-K97U installation section

1. Top cover

 

2.

 

 

Plate

 

Screws

4.

3.

 

Screws

 

Wire (not used)

 

 

 

 

SA-K97U

The procedure is shown below. However, to avoid electric shock or injury, contact your local JVC service center for details.

Note:

To avoid electric shock, be sure to unplug the power cord from the AC outlet before installing the SA-K97U.

1.Detach the top cover.

Note:

Be careful when removing the top cover. The edges of the cover could injure you if handled improperly.

Remove the 4 screws securing the top cover and lift it off.

2.Detach the plate in the VCR.

Remove the 2 screws on the rear panel. Detach the plate from the inside of the VCR.

3.Detach the SA-K97U’s wire.

*The SA-K97U’s wire is not used.

4.Install the SA-K97U in the VCR.

Hold the board as shown in the illustration and secure it using the screws removed previously in step 2.

5.Connect the VCR’s wire to the SA-K97U’s connector.

Check the direction of the connector and connect it.

Press both ends of the connector to firmly connect it.

6.Replace the top cover on the VCR and secure it with the four screws previously removed in step 1.

are not possible during

switch in <ALARM/SENSOR

switch to “OFF”.

recording.

MODE> set to “STOP”?

 

 

 

 

Camera image is not switched.

Is the <CAMERA SW> menu switch

When setting the camera switching timing on

 

in <IN/OUT> set to “OFF”?

this unit, set the menu switch to “1 FIELD” or

 

 

“2 FIELD”.

External recording is not

Is the <REPEAT REC> menu switch

To perform repeat recording using external

possible.

in the <VTR MODE> menu set to

recording activation, set <REPEAT REC>

 

“ON”?

to “OFF” and <AUTO REW> to “ON”.

Connector 5.

Wire

SA-K97U

AC~IN

AC120V~50/60Hz

AUDIO

VIDEO

Y/C

IN

REMOTE MIC

OUT

54

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Contents Thank you for purchasing this JVC product Before operating this unit, please read Is made from 100%Instructions carefully to ensure Recycled paper Best possible performanceSafety Precautions Operation LockInformation RemarqueContents Major Features Periodical MaintenancePrecautions IntroductionControls and Connectors Front PanelDaily Inspection Video cassetteControls and Connectors DisplayRear Panel Connections Connecting to a Camera System Using Sequential SwitcherConnections ON-SCREEN/MENU Switches Connecting the Rear Panel Input/Output Terminal ConnectionsTime Mode On-Screen DisplayON-SCREEN/MENU Switches Date and Time SettingContents of the main menu items Main Menu DisplayHour Meter Display Alarm Input/Power Loss Data Display1Standard time Menu Switch Setting Contents of Menu SwitchesVideo Mode Pulse OFF VTR ModeAlarm SRI/EXTPreparation Cassette Loading/UnloadingLoading UnloadingRecording/Playback Speed Mode Selection Switch Setting During RecordingRecording PreparationRecording Timer RecordingRecording Basic Operation 3 0 0 7STARTHoliday Timer Recording Setting On ScreenStart time blinks and set minute to 00 with the SET + Set the dayCanceling/Changing Timer Recording Program 1To modify timer programsAlarm Recording Series Recording Sensor RecordingConnections Repeat Recording Non-stop continuous series recordingRecording with External VCR Activation Signal How to Restore Recording After Power FailureExternal Timer Recording Alarm search/date and time searchPlayback and SPECIAL-EFFECTS Playback Playback and SPECIAL-EFFECTS PlaybackPreparation PlaybackAlarm search Alarm Search/Date and Time SearchShuttle search reverse and fast-forward playback Alarm scan Repeat PlaybackCounter Memory Function Auto rewindTroubleshooting Error IndicationsTracking/V. Lock Adjustment V. PulseTroubleshooting No Error IndicationInstallation of the SA-K97U Optional SA-K97U RS-232C Interface BoardSA-K97U RS-232C Protocol & Commands SA-K97U SpecificationsOptional SA-K97U RS-232C Interface Board Command description This section provides technical data for programmersVCR control commands VCR setting commandsCommands for VCR status verification 1st/2nd byte3rd byte 5th byte 4th byte 6th byteOthers Input data correction/Error cancellation Commands reference chartContents of 5th byte BIT 0/1/2/3 Speed Code 4th byteAppendixes Tape Reel Counter/Tape Remaining Time TableAppendixes Rear Panel’s Inputs/OutputsSpecifications