Loewe Connect 22 SL - Troubleshooting; No Backlight Problem

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Troubleshooting
1. No Backlight Problem
Problem: If TV is working, led is normal (GREEN) and there is no picture and backlight on
the panel.
Possible couses: Backlight pin, dimming pin, backlight supply, stby on/off pin
BACKLIGHT_ON/OFF pin should be HIGH when the backlight is ON. R185 must
be low when the backlight is OFF. If it is a problem, please check Q131 and the
panel cables.
DIMMING pin should be HIGH or square wave in open position. If it is LOW,
please check S32 for BRCM side and panel or power cables, connectors.
STBY_ON/OFF_NOT should be HIGH for standby condition, please check R203.
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20. Troubleshooting
A. No Backlight Problem
Problem: If TV is working, led is normal (GREEN) and there is no picture and backlight on
the panel.
Possible couses: Backlight pin, dimming pin, backlight supply, stby on/off pin
BACKLIGHT_ON/OFF pin should be HIGH when the backlight is ON. R185 must be low
when the backlight is OFF. If it is a problem, please check Q131 and the panel cables.