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47
RQT7921
Troubleshooting guide
Unit display
Television display
Clean this unit with a soft, dry cloth.
≥Never use alcohol, paint thinner or benzine to clean this unit.
≥Before using chemically treated cloth, read the instructions that
came with the cloth carefully.
≥Do not use commercially available lens cleaners as they may
cause malfunction. (Cleaning of the lens is generally not necessary
although this depends on the operating environment.)
Cleaning the video heads
Dirt on the video heads can cause poor recording and play.
To clean the heads, insert and eject a tape 5 to 10 times in
succession.
If the picture does not improve, use an optional head-cleaning
cassette (part number NV-TCL30PT). If the problem persists, seek
advice from a qualified service person.
The unit’s display lights and
changes when the unit is turned
off.
≥Demo function is on. Press and hold [–DEMO] on the main unit to select “DEMO OFF”. 9
The unit’s display disappears or
fades once the unit is turned off.
≥The DISPLAY setting is set to “DIM” or “OFF” under OPTION from the VHS MENU. Select
“BRIGHT” if you want the display bright all the time.
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The tape counter isn’t changing. ≥The tape counter does not change while playing unrecorded parts.
≥The display also appears like this if the tape is dirty or damaged. Consult your dealer if this is
the case.
—
—
“NoPLAY” ≥You inserted a disc the unit cannot play; insert one it can.
≥You inserted a blank disc.
15
—
“NoDISC” ≥You haven’t inserted a disc; insert one.
≥You haven’t inserted the disc correctly; insert it correctly.
—
16
“F61” ≥Check and correct the speaker cord connections.
If this does not fix the problem, there is a power supply problem. Consult the dealer.
5, 7
“U11” ≥Disc is dirty. Wipe it clean. 15
“U15” ≥You inserted a DVD-R that has not been finalized. 15
“ERROR” ≥Incorrect operation performed. Read the instructions and try again. —
“REMOTE” ≥The remote control and main unit are using different codes. Change the code on the remote
control.
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“H∑∑”, “F∑∑”
∑∑ stands for a number.
≥Trouble may have occurred. The number following “H” or “F” depends on the status of the
unit. Turn the unit off and then back to ON. Alternatively, turn the unit off, disconnect both AC
power supply cords, and then reconnect them.
≥If the service numbers fail to clear, note the service number and contact a qualified service
person.
—
—
“[W]” is flashing.
(When using optional SH-FX50)
≥There is no link between the main unit and the receiver. Check that the receiver is turned on.
≥Ensure that the digital transmitter is fully inserted into the slot of the main unit.
≥This is normal when you set VHS audio type to mono sound mode.
—
—
9, 35
“W01” is flashing.
(When using optional SH-FX50)
≥Re-initialize the main unit: While stopped and “DVD/CD” is the source, press and hold [∫] on
the main unit and [S10] on the remote control until “Initialized” disappears from the television.
Turn the unit off and on again. If the problem persists, contact a qualified service person.
—
“”
≥The operation is prohibited by the unit or disc. —
“Cannot display group xx, content
xx”
≥You are trying to display incompatible contents. 23
“This disc may not be played in
your region”
≥You can only play DVD-Video if their region number is “1” or if the DVD-Video is marked
“ALL”.
Cover
No on-screen display. ≥Select “On” in “On-Screen Messages” in “Display” tab.
≥Select “ON” in “OSD” of “OPTION” setting in the VHS MENU.
27
38
The menu is displayed in a
different language.
≥Select the preferred language in “Menus” in “Disc” tab.
≥Select the preferred language in “LANGUAGE” in the VHS MENU.
26
36
Maintenance
Before moving the unit, ensure the disc trays are empty.
Failure to do so will risk severely damaging the discs and the unit.
RQT7921-P_ENG.book 47 ページ ２００５年２月４日 金曜日 午後４時５８分