Yamaha O2R96 Service Manual page 49

30. LCDCOM (CNT+INV) Circuit Board and LCD
(Time required: About 15 minutes each)
30-1. Remove the LCD assembly. (See procedure 29.)
30-2. Remove the four (4) screws marked [180B]. The LCD
bracket can then be removed. (Fig.11)
30-3. Remove the six (6) screws marked [120C] and the
five (5) screws marked [125]. The rear LCD case
can then be removed. (Fig.11)
30-4. Remove the two (2) screws marked [60] and the four
(4) screws marked [80A]. The LCD shield panel can
then be removed with the LCDCOM (CNT+INV)
circuit board. (Fig.12)
30-5. LCDCOM (CNT+INV) Circuit Board:
Remove the four (4) screws marked [100]. The
LCDCOM (CNT+INV) circuit board can then be
removed from the LCD shield panel. (Fig.12)
The CNT and INV circuit boards are joined by
soldering.
Note: The INV circuit board must be handled
carefully since it produces high voltages.
30-6. LCD:
Remove the four (4) screws marked [40]. The LCD
can then be removed. (Fig.12)
Disassembling the MB02R96
31. Rear Panel
(Time required: About 10 minutes)
31-1. Remove the MB02R96. (See procedure 2.)
31-2. Remove the two (2) screws marked [D]. The meter
angle L can then be removed from the MB02R96.
(Photo.7)
The meter angle R can be removed in the same
manner.
31-3. Remove the twenty-two (22) screws marked [140B].
The rear panel can then be removed from the front
panel. (Fig.13)
32. DC Circuit Board
(Time required: About 15 minutes)
32-1. Remove the rear panel. (See procedure 31.)
32-2. Remove the six (6) screws marked [80B]. The DC
circuit board can then be removed. (Fig.14)
33. PN1 and PN2 Circuit Boards
(Time required: About 15 minutes each)
33-1. Remove the rear panel. (See procedure 31.)
33-2. PN1 Circuit Board:
Remove the eight (8) screws marked [50A]. The PN1
circuit board can then be removed. (Fig.14)
33-3. PN2 Circuit Board:
Remove the seven (7) screws marked [50B]. The
PN2 circuit board can then be removed. (Fig.14)
02R96
49