Sony KD-55XD9305 Service Manual page 23
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Also See for KD-55XD9305:
- Reference manual (516 pages) ,
- Setup manual (2 pages) ,
- Reference manual (508 pages)
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1-2-1. NO POWER U-COM FAILURE
from the previous page
Check P_ON_#2
no
IC9017 #pin14
Is the voltage >3.0V?
yes
Check ORESETB
no
IC9017 #pin12
Is the voltage >3.0V?
yes
Check X_SYSTEM_RST
no
IC9017 #pin16
Is the voltage >3.0V?
yes
If PANEL_PWER_ON
(R9172) is 0V
no
Check XRST
IC9017 #pin17
Is the voltage >3.0V?
yes
If BL_MUTE
(R9090) is 0V
no
Check BL_ON
IC9017 #pin18
Is the voltage >3.0V?
yes
KD-55/65XD9305
Change IC9017
Change IC9017
Change IC9017
Change IC9017
Change IC9017
END
( IC9017 is working OK )
1-2-2. NO POWER DC_OFF_DET CHECK
START
Check DC_OFF_DET
no
R9035
Is voltage < 3V?
yes
no
Check Vdd
C9024
Is voltage < 5V?
yes
END
( IC9000 is working OK )
TROUBLE SHOOTING
END
( IC9000 is working OK )
Change IC9000
23
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