JVC HR-S7900U manual 56 EN, Troubleshooting

56 EN TROUBLESHOOTING

Before requesting service, use this chart and see if you can repair the trouble yourself. Small problems are often easily corrected, and this can save you from the trouble of sending your VCR off for repair.

POWER
	SYMPTOM	POSSIBLE CAUSE	CORRECTIVE ACTION
1.	The power will not come on.	● The AC power cord is disconnected.	Connect the AC power cord.
		● Child lock is on.	Turn off child lock function (☞ pg. 45).
2.	The clock works, but the VCR’s	● The VCR is in the timer recording	Press TIMER to disengage.
	power will not come on.	standby mode with “AUTO TIMER”
		set to “OFF” (☞ pg. 40).
		● The child lock function is activated.	Press and hold POWER for more than
			10 seconds to release the child lock
			function (☞ pg. 45).
3.	The Remote will not function.	● The batteries are discharged.	Replace batteries.
		● Timer is on.	Press TIMER button on the remote.
		● Remote control A/B code is wrong.	Reset A/B code (☞ pg. 55).
TAPE TRANSPORT
	SYMPTOM	POSSIBLE CAUSE	CORRECTIVE ACTION
1.	The cassette gets stuck partway	● The cassette was inserted incorrectly.	Make sure the cassette’s window is
	during loading, and is ejected.		facing up, the rear label side is facing
			you and the arrow on the front of the
			cassette is pointing towards the VCR.
			Then insert the cassette.
PLAYBACK
	SYMPTOM	POSSIBLE CAUSE	CORRECTIVE ACTION
1.	The tape is running but the picture	● If the RF connection (☞ pg. 7) is	Select channel 3 or 4 on the TV.
	will not appear.	used to view the picture, the
		channel on the TV is set incorrectly.	Select the AV mode on the TV.
		● If the AV connection (☞ pg. 7) is
		used to view the picture, the TV
		receiver is set to the wrong mode.
2.	Breaks are noticeable in Hi-Fi	● Automatic tracking is engaged.	Disengage auto tracking and adjust
	sound track.		the tracking manually (☞ pg. 23).
3.	The playback picture is blurred or	● The video heads may be dirty.	The heads must be cleaned. Use a
	interrupted, even though TV		dry cleaning cassette –TCL-2UX– or
	broadcasts are clear. Or “USE		consult your JVC dealer.
	CLEANING CASSETTE” appears on
	the screen.
4.	The Hi-Fi sound cannot be heard.	● Audio Monitor setting is incorrect.	Set Audio Monitor to “HI-FI”
			(☞ pg. 23 or 42).
RECORDING
	SYMPTOM	POSSIBLE CAUSE	CORRECTIVE ACTION
1.	Recording will not start.	● There is no cassette loaded.	Insert a cassette.
		● The loaded cassette has had its	Remove the cassette and cover the hole
		record safety tab removed.	with adhesive tape, or load a cassette
			on which the record safety tab is intact.
2.	TV broadcasts will not be recorded	● The VCR has been set to “L-1” or “F-	Select the appropriate channel on the
	properly.	1” input mode by mistake.	VCR.
3.	Tape-to-tape editing will not work.	● The components have been	Connect the components correctly
		incorrectly connected, or correct	(☞ pg. 46 – 51) or check “REAR AUX
		video connector (S VIDEO or	INPUT or “FRONT AUX INPUT”
		VIDEO) is not selected.	setting (☞Ê pg.Ê 43).
		● The power to one or more of the	Make sure the power to all units is on.
		units has not been turned on.	Select the appropriate input mode on
		● The recording VCR’s input mode has	the recording VCR.
		been set incorrectly.