JVC HM-DH30000U manual 70 EN, Troubleshooting

70 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 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.
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. 56).
		● The child lock function is activated.	Press and hold POWER on the
			Remote for more than seven seconds
			to release the child lock function
			(☞Ê pg. 78).
3.	The Remote will not function.	● The batteries are discharged.	Replace the dead batteries with new
			ones.
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	● The TV receiver is set to the wrong	Select the AV mode on the TV.
	will not appear.	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. Consult
	interrupted, even though TV		your JVC dealer.
	broadcasts are clear.
4.	The Hi-Fi sound cannot be heard.	● Audio Monitor setting is incorrect.	Set Audio Monitor to “HI-FI”
			(☞ pg. 23).
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
		record safety tab removed.	hole 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”,	Select the appropriate channel on the
	properly.	“L-2”, “F-1” or “I-1 etc.” input mode	VCR.
		by mistake.
3.	Tape-to-tape editing will not work.	● The components have been	Connect the components correctly
		incorrectly connected, or correct	(☞ pg. 62, 64) or check “REAR AUX
		video connector (S VIDEO, VIDEO	L-1 (or L-2)” and “FRONT AUX F-1”
		or DV) is not selected.	setting (☞ pg. 55).
		● The power to one or more of the	Make sure the power to all units is on.
		units has not been turned on.
		● The recording VCR’s input mode has	Select the appropriate input mode on
		been set incorrectly.	the recording VCR.