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This SM is quiet scarce and hard to find it is an excellent Service manual, very clear to read and to print schematics and diagrams, Hi quality, Complete manual with no pages missing. I am very pleased with the manual and the fast service I have received. Great place to shop.
Good luck finding you manual...
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Quick delivery, the document was usefull, although the copy was i little bit unclear in the details.
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A complete and well done copy of the manual, at a not expansive price!
The delivery of the manual is very fast.
Thank you for all
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Perfect quality. Was able to fix speed drifting on my Sansui Turntable using the service manual instructions for PLL adjustment.
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I am very happy regarding the online purchase of this manual from Owner-Manuals.com as with this I could set right my Denon CD player and Amplifier.
I once again sincerely thank them for the prompt service which was rendered to me.
N. Shanker
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A
[5] MAIN ASSY
Flowchart of Failure Analysis for The MAIN Assy
Failure analysis for the MAIN Assy => MA1
The STB LED does not light although STB 3.4 V power is supplied.
Does the POWER switch on?
B
No
Turn the POWER switch on.
Yes Is resetting of the IF microcomputer canceled? Yes Is the voltage at Pin 3 of the M11 connector High? Yes Is the M11 connector securely connected? Yes Is the cable that is connected to the M11 connector broken? No No problem with the MAIN Assy. Check the LED Assy. Yes No Securely connect the M11 connector. No Replace the MAIN Assy.
Failure in the line between the IF microcomputer and M11 connector
No
Replace the MAIN Assy.
Failure in the RST IC (IC8302) output or its peripheral circuits
C
Replace the cable (J116).
Failure analysis for the MAIN Assy => MA2
The RELAY port does not work. The power is not turned on.
D
Is the voltage at Pin 50 of the M4 connector 3.4 V? Yes
No
Replace the MAIN Assy.
Relay control is unable unless it supplies a power supply to the module microcompute.
Are the voltages (1.5 V/2.5 V/3.4 V) No supplied to the main microcomputer? Yes Is voltage at REQ_IF on the MAIN Assy High (3.3 V)? Yes
E
Replace the MAIN Assy.
No
Can the unit be turned on, using the remote control unit? Yes
No
Replace the cable (J117) that connects between the IR and MAIN Assys.
NG Replace the IR Assy. NG Replace the MAIN Assy.
Can the unit be turned on, using the Power switch on the unit? Yes
No
Replace the cable (J116) that connects between the SIDE KEY and MAIN Assys.
NG Replace the SIDE KEY Assy. NG Replace the MAIN Assy.
Can the unit be turned on, using RS-232C commands? Replace the MAIN Assy.
F
No
Replace the 50P cable (J213) that NG Replace the IO Assy. connects between the IO and MAIN Assys. NG Replace the MAIN Assy.
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PDP-LX6090
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