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MX5000D REPAIR CHART
Tuner no
output
Check to Tuner BD
power supply
Yes
Check to Input BD
CN 11, data line
pin 1, 2, 3, 4
Possible
No
IC 83
bad cause
Possible Tuner
Modual bad cause
Audio output
No sound
No
Check Digital BD
Repair/ Replace
BN42, SPDIF
DVD Main BD
No
Check Digital BD
Check
BN41, Pin 1,3,5,7,9,11
IC83
Analog signal
Check Input BD
BN51, Pin 1,3,5,7,9,11
Analog signal
Check Connent BD
BN51, Pin 1,3,5,7,9,11
Analog signal
See the page 9-2
Voltage Table
2-1
A
DVD Audio
No output
pin 2
Ye
s
Yes
No
Check
Yes
Volume/ IC 19
Q179
C=OV?
Yes
Check Main BD
IC 28
All Channel
No output
Check the power
and connect boards
input function DVD/
SAT-OPT?
input function
Analog?
Yes
No
Yes
IC28 bad cause
Check
IC 28
No
Possible
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