Kenwood LZ-7500 instruction manual Troubleshooting Guide, Specifications, Monitor unit

PROBLEM

POSSIBLE CAUSE

SOLUTION

The power does not turn on.

The fuse has blown.

After checking for short circuits in the cables,

replace the fuse with one having the same rating.

No ACC position on vehicle ignition.

Connect the same cable to the ignition as the

battery cable.

No video picture appears.

The unit is not connected to the

Make proper connections according to

parking brake detection switch.

”Connection“.

The parking brake is not engaged.

For safety reasons no video picture are displayed

while the vehicle is moving. Engaging the parking

brake will cause picture to be displayed.

Screen size

6.95 inches wide

154.1(W) x 86.6(H) x 176.7(Diagonal) mm

6-1/16(W) x 3-7/16(H) inches

Display system

Transparent TN LCD panel

Drive system

TFT active matrix system

Number of pixels

336,960 pixels (480 H x 234 V x RGB)

Effective pixels

99.99%

Pixel arrangement

RGB striped arrangement

Back lighting

Cold cathode tube

Speaker power

1 W (40 Ø x 1)

Colour system

NTSC/PAL

External video input level (RCA jacks)

1 ± 0.1

Vp-p/ 75 Ω

External audio input level (RCA jacks)

1 V/ 22 KΩ

Video output level (RCA jacks)

1 ± 0.1

Vp-p/ 75 Ω

Audio output level (RCA jacks)

500 mV/ 1 KΩ

Analog RGB input

0.7

Vp-p/ 75 Ω

Operating voltage

14.4 V DC (11 - 16 V)

Consumed Power

14 W

Operational temperature range

–10°C to +60°C

Storage temperature range

–30°C to +80°C

Size

(Monitor unit)

189(W) x 131(H) x 37(D) mm

7-7/16(W) x 5-3/16(H) x 1-7/16(D) inches

(Video box unit)

167(W) x 38(H) x 152(D) mm

Mass

6-9/16(W) x 1-1/2(H) x 6(D) inches

(Monitor unit)

580 g(1.28 LBS)

(Video box unit)

620 g(1.37 LBS)