Hdmi 1/2 Troubleshooting - Sony KLV-24R402A Service Manual

Troubleshooting

3-7-1. HDMI 1/2 Troubleshooting

HDMI1,
no picture no picture
HDMI2/MHL,
no picture
Check 5V on
OK
Check CN3601
CN3601
(pin1,3,4,6,7,9,10,12)
(pin18, 15, 16),
= 3 3V?
HPD(CL3601)
NG
Check input source, Check input source
Check RB3606, Ch
R3710, R3709, R3601
RB3607, RB3602,
, RB3601, R3740,
RB3603 connectivity
Q3602 and Q3603
connectivity
Check 5V on
OK
Check CN3600
CN3600
(pin1,3,4,6,7,9,10,12)
(pin18, 15 ,16)
= 3.3V?
HPD(JL5008) ( )
NG
Check input source,
Check RB3608,
R3711, R3712, R3699
RB3604, RB3609,
and D3603
RB3605 connectivity
connectivity.
OK
Short Circuit Check
RB3606,RB3607,
3.3V?
RB3602 RB3603 RB3602,RB3603
(Power Off)
NG
k RB3606 Check RB3606,RB3607, Ch k RB3606 RB3607
RB3602 and RB3603 all
pins condition
OK
Short Circuit Check
RB3608,RB3604,RB36
09,RB3605 (Power
NG
Check RB3608,
RB3604, RB3609,
RB3605 all pins
condition
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
OK
Change Board
NG
OK
Change Board
Off)
NG
ITC2 CHASSIS
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