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9-3
BDP-BX2/S360
Audio section flowchart
Audio does not sound right
Audio is output properly.
Yes
To Video section flowchart
Yes
Is the fluorescent tube/LED display correct?
Yes
Is the drive operating properly?
Yes
Is each power supply supplied to the AUDIO
Block?
No
To Power Supply (System) flowchart
CN801 pin 1: +12V
CN801 pin 3: +6V
CN801 pin 5: -9V
CN203 pin 21: +5V
Yes
Check the input of each power supply.
No
Replace IC link
Q807 (Emitter): -8V
Q808 (Emitter): +12V
IC809 pin 5: +6V
When Q807 is defective: Replace PS804
When Q808 is defective: Replace PS802
When IC809 is defective: Replace PS803
Yes
Check the output of each power supply.
No
When IC804 is defective, check the output of
IC304.
No
To Power Supply (System) flowchart
Yes
Is an audio system digital signal input to
IC804?
No
IC804 pin 1: MCLK
IC804 pin 2: BCLK
IC804 pin 3: DATA
IC804 pin 4: LRCK
Yes
Are control signals input to IC804?
No
IC804 pin 6: CSN
IC804 pin 7: CCLK
IC804 pin 8: CDTI
CN804 pin 1: XAMUTE
CN804 pin 9: Reset
Yes
Is a digital output (HDMI/Coax/Opt) signal
output from each of the Audio output
connectors?
No
If faulty, replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
If faulty, replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
If faulty, replace the MB board.
To Drive flowchart
BU Adjustment Flow [yy] ~ After BU/MB
Replacement ~
IC304 pin 4: +5V
Q807 (Collector): -8V
Q808 (Collector): +12V
IC804 pin 14: +5V
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