Sony FW-43BZ35F Service Manual page 65

2023/11/28 11:28:19 (GMT+09:00)
4.5 NO PICTURE HDMI
Check impedance of
resistor at SCL&SDA during AC OFF
HDMI1: R3664 & R3665 (I
HDMI2: R3658 & R3659 (I
HDMI3 : R3660 & R3661 (I
HDMI4 : R3662 & R3663 (I
[OK] Impedance = 100Ω
Check voltage of SCL&SDA line
HDMI Connector – Pin15&16
[OK] V = 3.5 ~ 5.5V
I2C
Check voltage of TMDS line
HDMI Connector – Pin1,3,4,6,7,9,
[OK] V = 2.6 ~ 3.5V
TMDS
Replace B-board & re-verify
Escalate this issue to Authorize
Service Centre(ASC)
Continue..
series
[NG] Impedance
C)
2
C)
2
C)
2
C)
2
[NG] V
I2C
[NG] V
TMDS
10,12
END
≠ 100Ω
Series Resistor Broken.
Replace → Re-verify
[NG] No picture
≠ 3.5 ~ 5.5V Go to
"I2C Failure
Page
≠ 2.6 ~ 3.5V
Go to
"TMDS Failure
Checking condition:
- TV ON & HDMI Source ON except if the flow mentioned is AC
OFF.
- TV HDMI input connected to HDMI source (Player etc.)
- TV Input Selection: HDMI
[OK] Picture recovered
Analysis"
Analysis"
Page
END
65
SYS SET