Troubleshooting; Specifi Cations - JVC AV-21B17 Instructions Manual

Troubleshooting

If a problem occurs when you are using the TV, check the below
troubleshooting guide before calling for repair.
Problem
No or poor picture • Turn OFF BLUE BACK if it is ON. (\ page 5)
• Adjust the COLOUR or BRIGHT setting. Refer to
"PICTURE SETTING". (\ page 5)
• Choose the appropriate colour system. (\ page 5)
Snowy picture • Check the aerial and TV connections. (\ page 3)
Stripes or coloured • Interference caused by electrical appliances or
patches appeared speakers. Move them away from the TV.
Double-picture (ghost- • Interference caused by signal reflecting from mountains
ing) or buildings. Adjust the aerial's direction or use another
antenna.
No or poor sound • Choose the appropriate sound system. (\ page 5)
White and bright still • Inevitable phenomenon due to the nature of the picture
image looks as if it is tube. This is not a malfunction.
coloured
Image from video input • The image was not properly recorded. This is not a
is distorted malfunction.
Cannot operate the • Replace the batteries. (\ page 2)
remote control • Operate it at less than 7 meters from the TV.
Cannot operate the • Exit and enter the MENU again.
MENU
Cannot operate the • Turn OFF CHILD LOCK if it is ON.
front panel buttons
Image takes a while to • Image requires time to stabilize before display.
be displayed This is not a malfunction.
TV emits crackling • Caused by a sudden change in temperature and it is not
sound a malfunction. Call a service technician for inspection.
Static shock when • Caused by static electricity of the picture tube and it will
touch the TV screen not harm the human body. This is not a malfunction.
© 2007 Victor Company of Japan, Limited
Cause / Solution
Specifi cations
TV RF systems AV-14U17 / AV-21B17 : B, G, I, D, K
Others models : B, G, I, D, K, M
Colour systems AV-14U17 / AV-21B17 : PAL, SECAM, NTSC 3.58 MHz /
NTSC 4.43 MHz (in VIDEO mode only)
Others models : PAL, SECAM, NTSC 3.58 MHz /
NTSC 4.43 MHz
Receiving VHF low channel (VL), VHF high channel (VH), UHF channel (U)
channels Receives cable channels in mid band, super band and hyper band.
Power requirements
For Malaysia AC 160 to 240 V, 50 Hz / 60 Hz
For others AC 110 to 240 V, 50 Hz / 60 Hz
External input / output
INPUT VIDEO input, AUDIO input
OUTPUT VIDEO output, AUDIO output
Headphone jack Stereo mini jack (3.5 mm diameter)
Design and specifi cations are subject to change without notice.
1206SCT-NF-MT