厦华技改(Xoceco Technology).doc

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厦华技改(Xoceco Technology)

厦华技改(Xoceco Technology) Convert C336 to 1.5K/10W, C337 (160V/1UF) R331, a substitution to 0.33 euro /2W can be * * * filter capacitor which is connected with the push pipe collector for 10uF/250VC3371UF/160V capacitor best back welding machine: the XT3468T Xoceco * * * * Fault phenomenon: automatic shutdown. The protection circuit of this machine is mainly composed of VD360 (FOR1B), SCR and so on, respectively, to + B (125V) over-current, 27V, over-current, X ray protection. Among them, the VD361 is the X ray protection clamp diode, the VD362 is + B protection clamp diode, and the VD363 is the 27V protection clamp diode. To determine the location of the fault, one by one to disengage VD362 and VD363, the protection circuit is still acting, suspected of failure in the X ray protection this way. The cause of X ray protection is mostly caused by some reason that the anode pressure is too high. According to the maintenance experience, retrace capacitor failure probability of causing X ray protective circuit greatly to retrace capacitor C344, C352, C345 (see Figure 4) by substitution, contemporary change to C345, no fault. Resume VD362 and VD363 test machine for four hours, troubleshooting. *********** Xoceco for various types of bus access methods: A board and board No. 5: (such as 21A5T\2195T\A2929\A2921\297AT\299AT, TBA1238 movement) The movement has three adjustment modes: M-MODE (factory specific adjustment mode), D-MODE (design adjustment mode) and S-MODE (after factory simple maintenance test mode). The three adjustment modes have their own entry methods and scope of application, in which two modes of M-MODE and D-MODE require special factory remote control to enter for maintenance adjustment. W:, n#, P, C4, H0, P0 * P M-MODE mode: the way to enter and exit M-MODE is to use the factory remote control, press the M-MODE button, the top right corner of the screen shows M, which means entering the M-MODE mode. M-MODE is designed for convenient debugging and factory se

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