Troubleshooting Guide; Specifications; Monitor Unit - Kenwood LZ-612IR Instruction Manual

Troubleshooting Guide

What might seem to be a malfunction in your unit
may just be the result of slight miss operation or
miss wiring. Before calling service, first check the
following table for possible problems.
The power does not turn on.
!
The fuse has blown.
 After checking for short circuits in the wires,
replace the fuse with one having the same
rating.
!
No ACC position on vehicle ignition.
 Connect the same wire to the ignition as the
battery wire.
Nothing happens when the buttons are pressed.
!
The computer chip in the unit is not functioning
normally.
 Press the reset button on the unit (page 2).
The screen is dark.
!
The unit is in a location where temperature is low.
 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.
No sound from wireless headphones.
!
The frequency setting is not set correctly.
 Select the transmitter frequency according to
your headphones.
!
The headphones power is off.
 The headphones power switch is turned on.
!
The headphones batteries are exhausted.
 Replace the headphones batteries with fresh
ones.

Specifications

Monitor Unit

Screen size
: 6.1 inches wide
1 36.1 (W) × 72.0 (H) × 154.0 (Diagonal) mm
5-6/16 (W) × 2-13/16 (H) inches
Display system
: Transparent TN LCD panel
Drive system
: TFT active matrix system
Number of pixels
: 336,960 pixels (480 H × 234 V × RGB)
Effective pixels
: 99.99 %
Pixel arrangement
: RGB striped arrangement
Back lighting
: LED
IR Transmitter Output
: (1-ch) L ch: 2.3 MHz/R ch: 2.8 MHz
: (2-ch) L ch: 3.2 MHz/R ch: 3.8 MHz
Hideaway Unit
Colour system
: NTSC/PAL
External video input level (RCA jacks)
: 1 ± 0.1 Vp-p/75 Ω
External audio input level (RCA jacks)
: 2 V/10 KΩ
Video output level (RCA jacks)
: 1 ± 0.1 Vp-p/75 Ω
Audio output level (RCA jacks)
: 1.2 V/10 KΩ
General
Operating voltage
: 14.4 V DC (11 - 16 V)
Current consumption
: 1.5 A
Consumed Power
: 14 W
Operational temperature range
: –10 °C to +60 °C
Storage temperature range
: –30 °C to +85 °C
Dimensions (W × H × D)
Monitor unit : 1 77 × 122 × 34 mm
7 × 4-7/8 × 1-5/16 inch
Hideaway unit : 1 41.5 × 88.5 × 32.5 mm
5-9/16 × 3-8/16 × 1-4/16 inch
Weight
Monitor unit : 375 g (0.83 lbs)
Hideaway unit : 145 g (0.32 lbs)
•
Specifications subject to change without notice.
•
A lthough the effective pixels for the liquid crystal panel is
given as 99.99% or more, 0.01% of the pixels may not light
or may light incorrectly.
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