Sony KD-43X85K User Manual

29
SAFETY NOTES SELF DIAGNOSIS FUNCTION TROUBLESHOOTING SERVICE ADJUSTMENT DIAGRAM HANDLING GUIDE
1.3 No Power DDCON/LDO (DDCON Check)
TROUBLESHOOTING
Check item summary
Pleas refer page 27 for Ref number.
Check Enable pin
voltage
Is voltage >2.5V?
1.2 No Power U-Com Failure
or
Enable source
Change Fuse
no
no
START
yes
Change DDCON IC
Check fuse
F6xx/F8xx
Is fuse OK?
Check Vcc voltage
C4xx / C6xx/C8xx
Is voltage >12.0V?
no
yes
yes
1) Check POWER_ON
P-on u-com IC401 #pin10
(Refer 1.2 No Power U-Com Failure)
2) Check Power board
Board
Operation
IC Ref Voltage supply
BM5A
DC/DC IC414 5.0V_STBY_H
DC/DC IC600 5V_MAIN/5V_AUDIO
DC/DC IC607 3.3V_DDC_OUT
DC/DC IC804 0.8V_M5_CORE
DC/DC IC813 1.8V_M5
DC/DC IC812 1.0V_M5
DC/DC IC810 0.8V_M5_CPU
DC/DC IC811 0.8V_M5_GPU
SYSSET
2022/04/1901:21:05(GMT+09:00)

Sony KD-43X85K Specifications

General

Screen Size	43 inches
Resolution	3840 x 2160 (4K UHD)
Display Type	LCD
HDR	Yes
Refresh Rate	120 Hz
Smart TV	Yes
Operating System	Google TV
HDMI Ports	4
USB Ports	2
Wi-Fi	Yes
Bluetooth	Yes
HDMI 2.1	Yes
Ethernet Port	Yes
Processor	4K HDR Processor X1
HDR Format	Dolby Vision, HDR10, HLG
Weight	10.7 kg (with stand)