25
25
Check P_ON_HL
CL810
or
P-on u-com #pin18 (IC800)
is >3.0V?
no
yes
yes
Check P_ON_#2
CL812
or
P-on u-com #pin13 (IC800)
is >3.0V?
no
Check ORESETB
CL811
or
P-on u-com #pin14 (IC800)
Is the voltage >3.0V?
no
yes
Check X_SYSTEM_RST
CL809
or
P-on u-com #pin20 (IC800)
Is the voltage >3.0V?
Change IC800
no
yes
Change IC800
Change IC800
Change IC800
Previous page
BM3J19 Board LCD and OLED Model
TV Business Division
Check X_LED_MUTE
R819
or
P-on u-com #pin8 (IC800)
Is the voltage >3.0V?
no
yes
Check “X_BE_RST” (from SOC Muffin).
*If X_BE_RST is >3.0, SOC BE(IC7000) problem.
Otherwise, SOC Muffin 3(IC1000) problem.
END
u-com IC800 is working OK
Check BL_ON
R831
or
P-on u-com #pin7 (IC800)
Is the voltage >3.0V?
Change IC800
no
yes
1.2 No Power u-com Failure
SYS SET
2019/04/19 01:55:00 (GMT+09:00)