El manual esta muy detallado, los numeros de partes y los esquemas de despiece son correctísimos y muy claros, tanto para los técnicos experimentados como para los novatos.
Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
Text excerpt from page 1 (click to view)
DR-Q131M/Q131SN4
SERVICE MANUAL
Ver 1.0 2004.02
US Model
� Since this model is impossible to repair, it is supplied as a set only. There is no supply of the repair part.
EAR SET
9-877-566-01
2004B05-1 C 2004.02
Sony Corporation
Personal Audio Company Published by Sony Engineering Corporation