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 Version  08.08.2022 

HW: 16 (V65) 

VL1-TOM 

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5.

 

FAQ – Trouble shooting Interface functions 

 
For any troubles which may occur, check the following table for a solution before requesting 
support from your vendor.

 

 

Symptom 

Reason 

Possible solution 

No picture/black 
picture (factory 
picture). 

Not all connectors have been 
reconnected to factory head-
unit or monitor after 
installation. 

Connect missing connectors. 

No power on CAN-bus box (all 
LED CAN-bus box are off). 

Check power supply of CAN-bus box. Check CAN-bus 
connection of CAN-bus box. 

CAN-bus box connected to 
CAN-bus in wrong place. 

Refer to the manual where to connected to the CAN-
bus. If not mentioned, try another place to connect to 
the CAN-bus. 

No power on video-interface 
(all LED video-interface are 
off). 

Check whether CAN-bus box de12V ACC on red 
wire output of 8pin to 6pin cable. If not cut wire and 
supply ACC +12V directly to video-interface. 

No picture/black 
picture/white picture 
(inserted picture) but 
factory picture is OK. 

No picture from video source.  Check on other monitor whether video source is OK. 

No video-source connected to 
the selected interface input. 

Check settings dips 1 to 3 of video interface which 
inputs are activated and switch to corresponding 
input(s). 

LVDS cables plugged in wrong 
place. 

Double-check whether order of LVDS cables is exactly 
connected according to manual. Plugging into head-
unit does not work when the manual says to plug into 
monitor and vice versa. 

Wrong monitor settings of 
video-interface. 

Try different combinations of dips 7 and 8 of video-
interface. Unplug 6pin power after each change. 

Inserted picture totally 
wrong size or position. 
Inserted picture double 
or 4 times on monitor. 

Inserted picture 
distorted, flickering or 
running vertically. 

Video sources output set to 
AUTO or MULTI which causes 
a conflict with the interfaces 
auto detection. 

Set video source output fixed to PAL or NTSC. It is best 
to set all video sources to the same standard. 

If error occurs only after 
source switching: Connected 
sources are not set to the 
same TV standard. 

Set all video sources to the same standard. 

Some interfaces can only 
handle NTSC input. 

Check manual whether there is a limitation to NTSC 
mentioned. If yes, set source fixed to NTSC output. 

Inserted picture b/w. 
Inserted picture qual. 
bad. 

Picture settings have not been 
adjusted. 

Use the 3 buttons and the interface's OSD to adjust the 
picture settings for the corresponding video input. 

Inserted picture size 
slightly wrong. 
Inserted picture 
position wrong. 

Camera input picture 
flickers. 

Camera is being tested under 
fluorescent light which shines 
directly into the camera. 

Test camera under natural light outside the garage. 

Camera input picture is 
bluish. 

Protection sticker not 
removed from camera lens. 

Remove protection sticker from lens. 

 
 

 

Содержание VL1-TOM

Страница 1: ...s rear view camera input Product features Video inserter for factory infotainment systems 1 CVBS Rear view camera video input 2 CVBS video inputs for after market devices e g USB Player DVB T2 tuner A...

Страница 2: ...Rear view camera setting dip 5 2 Installation 2 1 Place of installation 2 2 Connection schema 2 3 Connection 6pin interface cable 2 4 Installation daughter PCB 2 5 Connection video sources 2 6 Audio...

Страница 3: ...of the interface Up to one year after purchase we offer free software updates for our interfaces To receive a free update the interface has to be sent in at own cost Wages for de and reinstallation a...

Страница 4: ...or a FM modulator If 2 AV sources shall be connected the CAB FV AUDIO audio cable is optionally available for audio switching Factory rear view camera Automatically switching back from inserted video...

Страница 5: ...use the disabled inputs will be skipped while switching through the video interfaces inputs 1 4 1 2 Rear view camera setting dip 5 If set to OFF the interface switches to factory LVDS picture while th...

Страница 6: ...tion mode In case the sleep mode does not succeed the disconnection of the battery can be done with a resistor lead If the necessary stabilized power supply for the interface is not taken directly fro...

Страница 7: ...Version 08 08 2022 HW 16 V65 VL1 TOM Page 7 2 2 Connection schema...

Страница 8: ...of the 6pin interface cable to 12V ACC terminal 15 If desired the white wire of the 6pin interface cable can be used alternatively to the external button to switch the video sources 12V pulse for 2 3...

Страница 9: ...Version 08 08 2022 HW 16 V65 VL1 TOM Page 9 2 4 Installation daughter PCB...

Страница 10: ...Version 08 08 2022 HW 16 V65 VL1 TOM Page 10...

Страница 11: ...Version 08 08 2022 HW 16 V65 VL1 TOM Page 11...

Страница 12: ...the peripheral devices we recommend a test run to detect a incompatibility of vehicle and interface Due to changes in the production of the vehicle manufacturer there s always a possibility of incompa...

Страница 13: ...e shall be connected it is possible to connect the audio output of the AV source directly to the point of audio insertion e g to the factory AUX input Connection of 2 AV sources This interface has an...

Страница 14: ...nnect the audio RCA connectors of possibly existing AV sources 1 and 2 to the female RCAs of the audio cable s Audio 1 IN und Audio 2 IN Pin definition 7pin connector Audio pins Definition 1 2 Audio i...

Страница 15: ...rence a traditional open relay e g AC RW 1230 with wiring AC RS5 or filter e g AC PNF RVC is required Below schema shows the use of a relay normally open Connect the green switching input cable to the...

Страница 16: ...xternal keypad Connect the keypad s female 4pin connector to the video interface s male 4pin connector Note Even if the switching through several video sources by the keypad mightn t be required the i...

Страница 17: ...nges during or after the installation Picture settings must be done separately for AV1 and AV2 while the corresponding input is selected and visible on the monitor AV2 and CAM may share the same setti...

Страница 18: ...rom Video IN1 to Video IN2 the audio source will be switched too assuming the sources have also been connected to the audio cable 3 1 By white wire of the 6pin cable Alternatively or additionally to t...

Страница 19: ...der of LVDS cables is exactly connected according to manual Plugging into head unit does not work when the manual says to plug into monitor and vice versa Wrong monitor settings of video interface Try...

Страница 20: ...tton CAN bus interface does not support this function for vehicle Use external keypad or cut white wire of 6pin to 8pin cable and apply 12V impulses for AV switching Pressed too short For video source...

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