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SECTION 1 PRECAUTION This service manual does not describe PRECAUTION. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Head band Hanger cover (R) Ear pad (R) Hanger (R) Microphone (R) Speaker unit (R) Ear pad holder (R) Rch board Seal...
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Removing the housings(L)/(R) (1) Remove the ear pads(L)/(R) and ear pad holders(L)/(R). * When attaching the ear pad holders, be careful as the left and right parts are different. (2) Remove the eight screws A attaching the housings(L)/(R). Removing the Lch board / Rch board * Remove the housings(L)/(R).
SECTION 4 ADJUSTMENT Adjustment of volume (1) When replacing the "Lch board" or "Rch board", first, check if VR1 is in the "Medium" position as shown in the figure below. (2) If VR1 is not in the "Medium" position, adjust it to "Medium". Minimum Medium Rch board and Lch board...