BDP-BX620, BDP-S6200 - Sony DVD Service Manual (repair manual). Page 43

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BDP-BX620/S6200
6-5
6-4. Video/HDMI Section Flowchart - HDMI out
Reproduced Video does not appear right
Power Check
Is Power Supply supplied at IC101?
To Power (System) Flowchart
IC101 (#G26 : +3.3V)
IC101 (#E26 : +1.2V)
Power Check
Is IC601 (#5 : +12V)?
To Power (System) Flowchart
Is Power Supply supplied at IC601?
IC60
01 (#4: +5V)
Is PCONT#1 at IC601 (#1: +3.3V)?
Check the writing from IC101 for PCONT#1 or IC101 is NG 
(Replace MB Board)
 IC601 is NG
Check HTPLG IC101 (#AD28): +5V
Check  the writing from IC101 for 
HTPLG IC101 (#AD28) or IC101 is NG 
(Replace MB Board)
 
 
Check  if CN601 (#15/16) 
have signal or not?
Check  R643/R 64
44 have 
signal
Check  R635/636 have signal
Is each Video system signal output?
Check  the writing from IC101 for 
HDMISCK
/ HDMISD 
or
 not?
or 
not?
HDMISCK: 
IC101
 
(#AB25)
  : +5V
HDMISD: IC101 (#AB 26) : +5V
Replace CN601 
R643/644 is NG
R635/636 is NG
Check TMDS signal output at
Check TMDS signal output at 
Is TMDS Signal output correctly from each
CN701 (#1,3,4,6,7,9,10 or 12)
R612/613/614/615/616/617/618/619
output?
IC101 (#D27/D28/E27/E28/F27/F28/G27/G28)
Change HDMI Cable or TV
Replace CN601
 
R612/613/614/615/616/617/618/619 
Note: TMDS Signal output normal value varies from +2.6V~+3.2V
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
or IC101 is NG (Replace MB Board)
(Replace MB Board)
Only CN601 and MB Board applies in Service part
(#AB25) 
(#AB26) 
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