Removing the power supply board (See Fig.15 and 16)
Prior to performing the following procedure, remove the top cover and the front panel. 1. Remove the one nut attaching the headphone jack of the power supply board on the front side of the body. 2. Disconnect the harness connected to connector CN201,CN203,CN241 on the power supply board (If necessary, cut off the band fixing the harness on the side of the base chassis). 3. Disconnect the relay board to connector CN291 on the power supply board. 4. Remove the three screws P attaching the power supply board and pull out the power supply board from the front bracket backward. 5. Unsolder the three harnesses connected to the power supply board.
Power supply board
Headphone jack Nut
Fig.15
CN201 Headphone jack
P P
CN241
CN203 CN291 Hook
Solder points
P
Tie band Solder points
Removing the system control board / power switch board (See Fig.17 to 19)
Prior to performing the following procedure, remove the top cover and the front panel assembly. 1. Pull out the volume knob on the front side of the front panel and remove the nut attaching the system control board. 2. Remove the two screws Q switch board. attaching the power Fig.16
Operation switch panel Nut
Front panel assembly
3. Disconnect the harness from connector CN714 on the power switch board. 4. Remove the six screws R attaching the system control board on the back of the front panel. 5. On the back of the front panel, release the eight joints by pushing the joint tabs inward. Remove the operation switch panel toward the front. 6. Release the two hook attaching the system control board.
System control board
