Sony XBR-55X930D Service Manual page 25
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Also See for XBR-55X930D:
- Operating instructions manual (56 pages) ,
- Instruction manual (114 pages) ,
- Reference manual (56 pages)
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1-3. NO POWER DDCON/LDO
DDCON check
START
Check IC9001 Vcc voltage
C9033
Is voltage >12V?
yes
Check Vcc voltage
C9061
Is voltage >4V?
yes
Check Enable
IC9010 #pin1
Is voltage >2.5V?
yes
Change DDCON
IC9009
XBR-55/65X930D, 65X935D/937D, 75X940D
no
Check Vcc voltage
C9061
Is voltage >3V?
yes
no
Check
D9001
Is diode ?
yes
no
Change IC9010
no
Check
D9000
Is diode ?
yes
no
Change D9001
Check +5V_MAIN DDCON (IC9001)
TROUBLE SHOOTING
no
Change D9000
Check +3.3V_STBY.
G board or IC408 on DPS
25
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