Sony KD-55X9000A (serv.man2) Service Manual ▷ View online
#4
Replace Harness
Between B* and CX*
Harness NG
Symptom
improvement
improvement
Replace CX* board
CX* board NG
Symptom
improvement
improvement
NG
NG
HDMI_EQCX
B* board NG
(around backend system IC and parts.)
1) 3 times blinking (SC_OUTERR/SC_ERR/FRCD_I2C/HDMI_EQCX)
KD-55/65 X9000A, X9004A(PA)
113
TROUBLE SHOOTING
4-time blinking
Check JL9112
(BACKLIGHT_MON)
on the B* Board
B* Board
LED driver
Between 0.98V to 1.23V
2) 4 times blinking (LED Voltage Error)
KD-55/65 X9000A, X9004A(PA)
114
TROUBLE SHOOTING
5-time blinking
Check PANEL_VCC
12.5V at pin 47-51 of
CN8001 on
on the B* Board
G* Board
Replace the Harness
Between G* and Panel
Replace the Harness
Between CN3802 and Tcon
(41pin)
Panel (T-con)
change
B* Board
Harness
VBO Harness
Panel (T-con)
About 12.5V
NG
OK
NG
Symptom
improvement
improvement
Symptom
improvement
improvement
Symptom
improvement
improvement
NG
NG
Confirm Tcon12V.
3) 5 times blinking (T-Con Error)
KD-55/65 X9000A, X9004A(PA)
115
TROUBLE SHOOTING
6-time blinking
Check BL_ERR
(JL9112) at
Pin 18 of CN9101
on the B* Board
B* Board
Low
G* board
NG
High
Symptom
improvement
improvement
Change G* Board
Panel
116
4) 6 times blinking (Backlight Error)
TROUBLE SHOOTING
KD-55/65 X9000A, X9004A(PA)
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