55
DM2000
31.
LCDCOM (CNT+INV) Circuit Board and LCD
(Time required: About 15 minutes each)
31-1. Remove the LCD assembly. (See procedure 30.)
31-2. Remove the four (4) screws marked [180D]. The LCD
bracket can then be removed. (Fig.12)
31-3. Remove the six (6) screws marked [120] and the
five (5) screws marked [125]. The rear LCD case
can then be removed. (Fig.12)
31-4. Remove the two (2) screws marked [60F] and the
four (4) screws marked [80C]. The LCD shield panel
can then be removed with the LCDCOM (CNT+INV)
circuit board. (Fig.13)
31-5. 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.13)
The CNT and INV circuit boards are joined by
soldering.
Note: The INV circuit board must be handled
carefully since it produces high voltages.
31-6. LCD:
Remove the four (4) screws marked [40]. The LCD
can then be removed. (Fig.13)
Disassembling the MB2000
32. Rear Panel
(Time required: About 10 minutes)
32-1. Remove the MB2000. (See procedure 2.)
32-2. Remove the two (2) screws marked [G]. The meter
angle L can then be removed from the MB2000.
(Photo.9)
The meter angle R can be removed in the same
manner.
32-3. Remove the twenty-four (24) screws marked [160G].
The rear panel can then be removed from the front
panel. (Fig.14)
33. DC Circuit Board
(Time required: About 15 minutes)
33-1. Remove the rear panel. (See procedure 32.)
33-2. Remove the six (6) screws marked [90]. The DC
circuit board can then be removed. (Fig.15)
34. PN1 and PN2 Circuit Boards
(Time required: About 15 minutes each)
34-1. Remove the rear panel. (See procedure 32.)
34-2. PN1 Circuit Board:
Remove the nine (9) screws marked [60G]. The PN1
circuit board can then be removed. (Fig.15)
34-3. PN2 Circuit Board:
Remove the nine (9) screws marked [60H]. The PN2
circuit board can then be removed. (Fig.15)
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