Sony XBR-55X805C Service Manual page 123

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
XBR-55/65X800C,805C,807C,809C,810C
Off
"MHL Charge During STBY"
(UI) Status?
Change MHL Cable
NG (Open)
Check RB5219 (47k )
Replace
OK
RB5219
Check D5205, D5206 NG (Open)
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)
123