Service Manual - Renault System
C. Diagnosis and Repair.
1. Connect the open control module to the test kit.
2. Connect the 12.5 V power supplies to the test kit.
3. Compare the symptoms observed under A. Initial Inspection and Test with the symptoms
listed below to locate the components likely to be faulty and effect the necessary repairs.
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Media device such Check for <1 V at IC1 If OK go to next line Replace IC1.
as DVD or TV pin11,12
missing from OSD Power OFF supply for Repower system and recheck fault.
Menu 5 Seconds
Media Device Check for <0.5 V If OK go to next line Check TR3, D1, IC1, C3, C26,
Switching OFF/ON TR3 collector C36, C37 in turn. Replace faulty
continuously, components.
video signal IC11 defective Replace IC 11.
present
Audio Fault Check Audio route in If OK go to next line Replace faulty components.
No sound both logical manner
left and right IC7/19 > IC1 >
IC2/5 > IC3/4
Video OK? Check as No Colour / poor /no image - NO audio OSD OK
- See "Image Faults" below.
If OK go to next line.
Check IC1, IC3, IC4.defect - Replace defective components.
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PowerPowerPowerPower Fa Fa Fa Faultsultsultsults
No Power / No Check 12 V on F1 If OK go to next line F1 Defect - check for S/C on
LCD output. Replace defective
components.
Check 5 V/12 V IC If OK go to next line IC 17/D3 Defective or S/C on
17 output. Replace defective
components.
Check IR sig. on If OK go to next line Check IC12/13/14. Replace
IC11 pin 8 defective components.
Check Xtal sig. on IC If OK go to next line XTAL or IC11 Defect. Replace
11pin 6, 7 defective components.
Check < 0.6 V IC If OK go to next line TR6 defect IC11 Defect. Replace
11tPin 2 defective components.
Check 5 V IC 16 Pin If OK go to next line TR6 defect, IC16. Replace
2 defective components.
Check for PCB damaged pins . Replace defective components.
30-900-00015 Issued 2002-11-28 Page 4 of 19 ? Copyright Visteon 2002 |
ACEC
