HS8/HS7/HS5127. TR Circuit Board, Power Transformer(Time required: About 8 minutes)7-1 Remove the four (4) screws marked [310]. The TR circuitboard can then be removed together with the powertransformer. (HS8, HS7: Fig. 9-1)(HS5: Fig. 9-2)* When installing the TR circuit board and powertransformer, first tighten the two (2) priority screwsin order as shown in Fig. 9.7-2 Unsolder the leads of the power transformer. TheTR circuit board and power transformer can then beseparated. (Fig. 10)Priority screw (1st)Priority screw (1st)[310] x 4[310]Power transformerRear view[310] x 4Power transformerTRPriority screw (2nd)Priority screw (1st)Priority screw (2nd)Priority screw (2nd)AMP assemblyAMP assembly[310]Priority screw (1st)Priority screw (2nd)TRFig. 9-1Fig. 9-2