Yamaha O2R96 Service Manual page 41

Rear Assembly U Section
16. PC Support
(Time required: About 15 minutes)
16-1. Remove the SP02R96. (See procedure 1.)
16-2. Remove the MB02R96. (See procedure 2.)
16-3. Fasten the control panel assembly. (See procedure 3.)
16-4. Remove the eleven (11) screws marked [260A], the
twenty-four (24) nuts marked [270], the four (4) nuts
marked [280] and the twenty-seven (27) knobs
marked [300]. The PC support can then be removed
from the rear assembly U. (Fig.6)
17. ANI1 Circuit Board
(Time required: About 20 minutes)
17-1. Remove the SP02R96. (See procedure 1.)
17-2. Remove the MB02R96. (See procedure 2.)
17-3. Fasten the control panel assembly. (See procedure 3.)
17-4. Remove the PC support. (See procedure 16.)
17-5. Remove the three (3) screws marked [200A] and
disconnect the connector from the AD1 circuit board
or the ADA circuit board. The ANI circuit board can
then be removed. (Fig.6)
There is a total of sixteen (16) ANI1 circuit
boards, and they can all be removed in this way.
18. ANI2 and LED Circuit Boards
(Time required: About 20 minutes)
18-1. Remove the SP02R96. (See procedure 1.)
18-2. Remove the MB02R96. (See procedure 2.)
18-3. Fasten the control panel assembly. (See procedure 3.)
18-4. Remove the PC support. (See procedure 16.)
18-5. Remove the screw marked [200A] and disconnect
the connector from the ADA circuit board. The ANI2
assembly can then be removed. (Fig.6)
There is a total of four (4) ANI2 assembly, and
they can all be removed in this way.
18-6. Remove the LED circuit board from the connector
and the locking card spacer on the ANI2 circuit board.
The ANI2 circuit board and the LED circuit board
can then be divided. (Fig.6)
02R96
41