Sony BDP-BX620 / BDP-S6200 Service Manual ▷ View online
BDP-BX620/S6200
6-3
6-2. Power (System) Flow
AC IN
Check the output voltages from the power
supply block.
supply block.
CN301 pin 1: +12V (UNSW12V)
CN301 pin 2: +12V (UNSW12V)
CN301 pin 3: +12V (FE_UNSW12V)
CN301 pin 2: +12V (UNSW12V)
CN301 pin 3: +12V (FE_UNSW12V)
No
Yes
Check the fuses
Have any of the below fuses blown?
Have any of the below fuses blown?
No
MB board: PS301,
PS302
Yes
Check the following power control signals
while the power is ON
while the power is ON
PCONT1#
: MB board
Is PCONT1# : 3.3V ?
R327, R343,R388
Yes
Check Voltage lines that are not output
are shorted to GND
No
Failure of power supply IC ->
Replace the MB board .
Replace the MB board .
Check that the harness has been inserted
properly. If there is no problem, replace the
power supply block.
properly. If there is no problem, replace the
power supply block.
Blown fuses ->
Replace the MB board
No
Failure of Reset IC. Replace MB Board.
BDP-BX620/S6200
6-4
6-3. Audio Section Flowchart
Audio does not sound right?
No
Video is output properly?
No
To Video section flowchart
To Main flowchart
Yes
Is the drive operating properly?
No
To Drive flowchart
Is there AUDIO digital signal (SPDIF) input
to the SPDIF circuit?
to the SPDIF circuit?
No
Yes
No
Yes
Yes
Is there HDMI output?
No
Replace the MB board
To main flowchart
Resistors/Capasitors
NG
Yes
IC 101(CXD900011G-BB) : C26 SPDIF
Yes
Replace the MB board
Check SPDIF (Coaxial) output resistors/
capasitors OK?
capasitors OK?
R690/R691/R692/C690/C691/C692
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?
Is Power Supply supplied at IC101?
To Power (System) Flowchart
IC101 (#G26 : +3.3V)
IC101 (#E26 : +1.2V)
IC101 (#E26 : +1.2V)
Power Check
Is IC601 (#5 : +12V)?
To Power (System) Flowchart
Is Power Supply supplied at IC601?
IC60
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
HTPLG IC101 (#AD28) or IC101 is NG
(Replace MB Board)
Check if CN601 (#15/16)
have signal or not?
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
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)
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)
BDP-BX620/S6200
6-6
6-5. FR-1304 Board Flowchart
Power key can’t
Function
Any pulse appear if bu on press
at pin 12 ND701
FR board is NG
Any CLK signal at pin 12 CN701
To main fl
owchart
Any high (3.3V) to low (0V) signal
at pin 14 CN701
To main flowchart
Any signal at pin 14 CN701 when
power bƵƩon being pressed?
power bƵƩon being pressed?
FR board is NG
To main flowchart
Yes
Yes
Yes
Yes
No
No
No
No
Open/Close Key Can’t Function
Any pulse appear if button
press at pin 11 ND701
Any CLK signal at
pin 12 CN701
pin 12 CN701
Any Signal at pin 14 CN701
when Open/Close Button being
pressed?
Any High (3.3V) to
Low (0V) Signal at pin 14
CN701
To Main Flowchart
To Main Flowchart
To Main Flowchart
FR Board is NG
FR Board is NG
No
No
No
No
Yes
Yes
Yes
Yes
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