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Very helpfull information and I highly recommend this source for needed information about your products.
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More than pleased with my prurchase, very good product for the price.
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This is a good quality scan of the service manual which includes an assembly diagram, block diagram, schematic, and parts list. Exactly what is needed to repair my KR-V55R receiver.
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Excellent concise manual. All needed information was included. Typeface and diagrams were clear. Very fair price considering what others are charging. Many thanks
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Response is a little slow- I had to wait 12 hours to receive download link but it says that it may take up to 24hrs.
Manual is old and was not produced in PDF- scanned copy is exellent.
Overall- value for money- I recommend
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No sound from the speakers (2/2)
A
A
No sound from the sub-woofer No
Is it sound for every function that doesn't come out? No
Is sound muting set? No
Yes
Cancel muting then check again.
Is a signal output from IC8002?
B
Yes
B
Check around IC8002 and No check the communications between IC8002 and the microcomputer.
Is the volume set to 0? No Are the headphones connected? No Is a signal output from IC8003? (3), (13)
Yes
Raise the volume then check again.
Yes
Has the signal arrived at TP8668 and TP8667?
No Check around IC8003 and check the buffer circuits.
Disconnect the headphones then check again.
45 46
Yes Has the signal arrived at TP9301 and TP9303?
B
Check the flexible cables No between the AV BOARD Assy and MR MAIN BOARD Assy
No Check around IC8003 and
34 35
Yes
B
No
check each input signal.
47 48
Yes Has the symptom been settled when the system cable is replaced? Yes
B
No
and between the MR MAIN BOARD Assy and MDR Assy.
Is a signal output from IC8008? (7), (10) Yes
36 37
B
No
Check around IC8008.
C
The panel is defective.
Is a signal output from IC8007? (1), (7)
Check around IC8007.
38 39
Yes
B
No
Finishing troubleshooting
Has the signal arrived at TP7710?
Check around Q7761.
49
Yes
B
Check around the jack.
D
E
F
134
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PDP-R04E
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