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Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
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I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
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A very well written and easy to understand manual.
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There was no problem at all.After paying i had to wait only a few hours,than i could
download the manual in best pdf-quality.
Thank You !
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I found this service manual to be complete in every detail except for troubleshooting charts. It would be helpful if it had a set of troubleshooting charts; however it is a very good manual otherwise and for the price it is very well worth it.
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3. Board detection
A
If the board connection from Main Ass�y to Amp&Primary Ass�y is interrupted, the BOARD_DET port becomes �H�. If the �H� is detected, the microprocessor will perform as following flow chart. In the case of simultaneous detection with the overload protection circuit, Board detection is performed preferentially to DC-abnormality detection and Overload detection. When an boad error is detected, A.MUTE* is turned on, speaker relay is turned off, then "BOAD ERR" flashes on the display. � The abnormality continues for 2 seconds. � Continues. The power is shut off. � Recovery The power is shut off even if the unit recovers.
B
4. Fan stop detection operation flow in the DC abnormality detection
C
If the fan is forcibly stopped, the 'DC PROT' port becomes "L". Then an abnormality of fan is detected. When an abnormality of fan is detected, A.MUTE* is turned on, speaker relay is turned off, the "AMP_ERR" flashes on the display. � The abnormality continues for 3 seconds. � Continues. � Recovery The program restarts.
*A.MUTE : Audio mute command
D
The power is shut off. � The power key is disabled.
However, when the following keys are pushed so that the key input of a line and the service can be carried out, power can be on. 1 TESTMODE ON (A55F+A55F) 2 When power off, push FRONT ENTER key + ADVANCED SURROUND key continuously 2sec. (Effective, only when power-off is carried out by DC detection)
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VSX-815-K
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