Description
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizontal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images displayed with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
1.CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT



2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL


RGB AREA (YS) signal circuit
Vertical synchronizing (VP) signal circuitPreparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
Sealant and/or Lubricant
...
U1227 AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (DVD)
U1228 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
U1229 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
U1200 AV control unit
Description
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
system according to communication signals from the AV contro ...