Yamaha MSR250 Service Manual

Also see for MSR250: Owner's manual Specifications Service manual Owner's manual

Contents

MSR25010Fig. 89. CONTROL circuit board(Time required: About 8 minutes)9-1 Remove the amplifier assembly. (See procedure 6.)9-2 Remove the MOTHER circuit board. (See procedure 7.)9-3 Remove the INPUT circuit board. (See procedure 8.)9-4 Disconnect the connector assembly connected to theconnector CN802 (3P) of the POWER-b circuit board.(Fig. 8)9-5 Remove the four (4) screws marked [80A]. The CON-TROL circuit board can then be removed. (Fig. 8)* The six (6) volume knobs marked [160] are notparts of the CONTROL circuit board. When re-placing the CONTROL circuit board, be sure toremove these parts and attach them to the newCONTROL circuit board.[80A][80A]CONTROLPOWER-bCN802Volume knob x 6[160]