Sony KD-43X8301C Service Manual page 124

3-5-17. NO CHARGE: MHL (BMX)
No Charge
STBY
The TV Power Status?
TV On
5V
CN5202 #18 pin
0V
High
Check voltage at
CD_SENSE_0,
R5509
Low (< 2V)
Low (< 2V)
Check DDCCLK,
at CL5256
High
Change
MHL cable
KD-43/49X8301C (FW-43/49X8370C), 8305C, 8307C, 8308C, 8309C
Off
"MHL Charge During STBY"
(UI) Status?
Change MHL Cable
NG (Open)
Check RB5219 (47k )
Replace
OK
RB5219
NG (Open)
Check D5205, D5206
Replace
OK
D5205, D5206
Replace IC1000 (SoC).
Change "MHL Charge During STBY" (UI) to "On"
0V
Check IC5208 #6 Check IC5208 #3
(VBUS IC, Out) (VBUS IC, EN)
TROUBLE SHOOTING
0V
Replace IC1000 (SoC).
5V
Replace IC5208 (VBUS IC)
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