Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A10
Error
symptom
Content
Error check by LED Indicator
B. Power error _No power
A10
1. LED Indicator blank in each abnormal condition (Repeat each 6sec)
2. Abnormal condition
1) Open LED Protection
2) Short LED Protection
3) DC/DC voltage level check
4) P-Dim1 error
5) Driver on signal error
6) Local dimming data error
7) Driver IC error or MCU error check
8) V-sync error
LED Indicator error condition (UHD Mid/High model only)
Abnormal condition
Error signal message
Remark
Applied
Normal Operation
LED blank 0 times
Normal Operation
Slim Direct
Driver IC & MCU Communication Check
LED blank 1 times
DRV_IC to MCU communication Error
Slim Direct
LED B+ output voltage Check
LED blank 2 times
LED B+ OVP/UVP check
Slim Direct
Open LED Protection
LED blank 3 times
Open level detect
Slim Direct
Short LED Protection
LED blank 4 times
Short level detect
Slim Direct
-
LED blank 5 times
-
-
-
LED blank 6 times
-
-
Local dimming data error
LED blank 7 times
Local data error (Checksum & Data Length)
Slim Direct
V-sync signal error
LED blank 8 times
V-sync signal is low
Slim Direct
CN101
Pin
map
LED Indicator
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Only for training and service purposes.
Summary of Contents for 65NANO863NA
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