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25
1.3 No Power DDCON / LDO
Check Item Summary
P_ON_#1 : P-on u-com IC401 #pin12
P_ON_#2 : P-on u-com IC401 #pin13
Board
Operation
IC Ref
Voltage supply
Output ref.
Enable pin
Enable source
Fuse
Vcc ref.
BM5S
DC/DC
IC4800
1.8V_BE_DDC
C4805/JL4801
R4801(shorted)/CL4816
P_ON_#2
F4800
C4803
BM5S
DC/DC
IC4801
1.1V_BE
C4813/JL4803
R4907/CL4817
R4907(1.8V_BE_DDC)
F4801
C4812
BM5S
DC/DC
IC4802
0.9V_BE_DDC_1
C4820/JL4805
R4819(shorted)/CL4818
P_ON_#1
F4802
C4819
BM5S
DC/DC
IC4803
0.9V_BE_DDC_2
C4828/JL4807
R4827(shorted)/CL4819
P_ON_#1
F4803
C4827
BM5S
DC/DC
IC4809
0.8V_BE
C4860/JL4819
R4849(shorted)/CL4808
P_ON_#1
F4804
C4845
BM5S
DC/DC
IC4810
0.7V_BE
C4878/JL4821
R4865(shorted)/CL4811
P_ON_#1
F4805
C4863
T R O U B L E S H O O T I N G
SAFETY NOTES
SELF DIAGNOSTIC FUNCTION
TROUBLESHOOTING
SERVICE ADJUSTMENT
DIAGRAM
HANDLING GUIDE
25
SYS SET
2021/02/04 23:38:48 (GMT+09:00)