Resetting The Adjustments; Changing The Dome Light Bulbs; Troubleshooting Guide; Specifications - Kenwood LZH-70W Instruction Manual

Resetting the adjustments

You can reset all of the Picture Quality and Screen Mode
adjustments to their factory settings:
Press the MENU button until "RESET" appears on the screen.
• Press the VOLUME + button to reset the adjustments to their
factory settings.
• Press the MENU button to retain the adjustments you have
made.

Troubleshooting Guide

What might appear to be a malfunction in your unit may just be the result of misoperation or miswiring. Before calling for service, first check
the following for possible problems.
PROBLEM
The console does not power up
Buttons do not operate, or operate
erroneously
No video picture
The video image is dark
No sound from wireless headphones

Specifications

Screen Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.0" (diagonal)
LCD Display Aspect Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16:9
LCD Display Total Resolution . . . . . . . . . . . . . . . . . . . . . . .336,960 pixels*
Viewing Angle . . . . . . . . . . . . . . . . .+30°/-60° (vertical), 120° (horizontal)
Minimum Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>= 350 cd/m
Typical Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400 cd/m
Video Input (Composite Signal) . . . . . . . . . . . . . . . . . . . . . 1 Vp-p/75 ohms
Audio Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,2 VRMS
LZH-70W Instruction Manual

Changing the Dome Light Bulbs

1. Use a flat blade screwdriver to pry the dome light cover off.
2. Remove the burned-out bulb.
3. Replace the bulb with a 5-Watt (12V) Type 158 T10 Wedge
bulb.
4. Snap the dome light cover back on.
CAUSE
The fuse has blown
The vehicle's ignition lacks an ACC position
The microprocessor is malfunctioning
Improper connection(s) to video source(s)
The screen is cold
The headphone's power is off
The headphone's batteries are
exhausted
Video Output (Composite Signal) . . . . . . . . . . . . . . . . . . . . .1 Vp-p/75 ohms
Audio Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.2 VRMS
Headphone Output . . . . . . . . . . . . . . . . . . . . . . . . .0.1 W/16 ohms (stereo)
Dimensions . . . . . . . . . . . . . . . . . .305 mm (L) x 208 mm (W) x 46 mm (H)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.25 kg
2
Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DC 11 V ~16 V
2
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.97 A ~ 1.15 A
Operating Temperature . . . . . . . . . . . . . . . .14°F – 140°F (-10°C – 60°C)
* Although the effective pixels for the liquid crystal panel is given as 99.999% or more,
0.001% of the pixels may not light or may light incorrectly.
SOLUTION
Replace the fuse with one of the same
rating
Connect the console's ignition wire and
battery wire together
Reset the microprocessor (see 'Resetting
The Microprocessor' on page 3)
Verify that the video sources are
properly connected
Liquid Crystal Display screens may appear
darker when they are cold. Once you turn
the console's power on and the screen's
temperature rises, its normal brightness
will return.
Make sure the headphones' power
switch is turned on
Replace the headphone batteries with
new ones
7