KD-43/49X8301C (FW-43/49X8370C), 8305C, 8307C, 8308C, 8309C
123
TROUBLE SHOOTING
3-5-16. NO PICTURE: MHL (BMX)
No Picture
Check voltage at
CD_SENSE_0,
R5509
Spec:High:2.0~5.3V
Low:0.8~2.0V
High
Low
NG
Check Source equipment
by Reference TV set
(For example, Samsung TV(UN46ES7000),
Toshiba TV(42WL863), RB1, RB2)
Check TMDS(D0+/D0-) lines
at connector side
NG (No communications)
Replace
RB5211
Check the settings of
Source equipment
Low (< 2V)
OK
Check DDCCLK,
at CL5256
Check RB5219 (47k )
Replace
RB5219
Change
MHL cable
OK
High
Check HDMI picture
in this input
NG
Check “NO PICTURE
– HDMI” flow
Replace IC1000 (SoC).
Check HDMI_0_HPD_CBUS
at connector side
NG (No communications)
OK
OK
Check D5205, D5206
Replace
D5205, D5206
NG (Open)
NG (Open)
Replace IC5212(HDMI EQ).
OK