75 / 82 inches
•
CNL801
LED Connector
CNL801 (LED Connector)
1
1+
2
1-
3
2+
4
2-
5
4+
6
4-
7
3+
8
3-
9
6-
10
6+
11
5-
12
5+
Backlight Test :
Activate Backlights Test
1.
: Disconnect Lead Cable from Main to Power Supply.
Check TV Screen for active backlight LEDs.
9
If No Backlights
2.
Minus (Control) pins & Plus (Supply) pins voltages on the Panel Connector. (
9
with fine test probe on left side of
connector only for safety
)
If
•
no pin voltages replace
SMPS
.
If Backlights ON BUT PANEL SECTION(S) OFF
3.
The Supply Drive (
9
+
) pins and (
-
) pins. All should measure same.
If a Minus (-) pin measures low (near 0 volts), a string(s) of LEDs are likely open.
•
Replace
9
Panel
.
If a
•
(
+
) pin measures low voltage.
Defective
9
SMPS
4-9
4. Troubleshooting
