Troubleshooting Guide - Kenwood LZ-601 Mode D'emploi

Troubleshooting Guide

What might appear to be a malfunction in your unit may just be the result of
slight misoperation or miswiring. Before calling service, first check the
following table for possible problems.
PROBLEM
The power does not turn
on.
The screen is dark.
Specifications
Specifications subject to change without notice.
Monitor Unit
Screen size ..............................................................................................6.4 inches (Normal)
Display system..............................................................................Transparent TN LCD panel
Drive system ..................................................................................TFT active matrix system
Number of pixels ........................................................224,640 pixels (320 H x 234 V xRGB)
Effective pixels ..........................................................................................................99.99%
Pixel arrangement ..........................................................................RGB striped arrangement
Back lighting ..............................................................................................Cold cathode tube
Color System..........................................................................................................NTSC/PAL
Video Input Level................................................................................................1 Vp-p/ 75 Ω
General
Operating voltage ..............................................................................14.4 V DC (11 to 16 V)
Consumed Power ..........................................................9 W (6 W during normal operations)
Operational temperature range ......................................................................–10°C to +60°C
Storage temperature range............................................................................–30°C to +85°C
Size ..........................................................................................188(W) x 130(H) x 31(D) mm
Mass ..............................................................................................................460 g (1.0 LBS)
Although the effective pixels for the liquid crystal panel is given as 99.99% or more, 0.01% of
pixels may not light or may light incorrectly.
FCC WARNING
This equipment may generate or use radio frequency energy. Changes or modifications to this
equipment may cause harmful interference unless the modifications are expressly approved in the
instruction manual. The user could lose the authority to operate this equipment if an unauthorized
change or modification is made.
POSSIBLE CAUSE
The fuse has blown.
No ACC position on vehicle
ignition.
No video signal is input to the
Video input terminal.
The unit is in a location where
temperature is low.
SOLUTION
After checking for short circuits in the
wires, replace the fuse with one having
the same rating.
Connect the same wire to the ignition as
the battery wire.
Input the video signal.
If the temperature of the monitor unit
drops, the screen may appear darker when
power is first turned on due to the
characteristics of a liquid crystal panel.
Wait a while after turning power on for the
temperature to rise. Normal brightness will
return.
130.8(W) x 98(H) x 162.5(Diagonal) mm
5-3/16 (W) x 3-7/8 (H)x 6-7/16 (D) inch
7-3/8(W) x 5-1/8(H) x 1-1/4(D) inch
English - 5