Sharp UP-3500 (serv.man29) Service Manual ▷ View online
UP-3500 (V)
DISASSEMBLY AND ASSEMBLY
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CHAPTER 6. DISASSEMBLY AND ASSEMBLY
1. CPU PWB disassembly
1) Remove the two screws. Disengage the four pawls and remove the
rear cover unit.
Clamping: 5.0±0.2kgf.cm
Clamping: 5.0±0.2kgf.cm
2) Remove the four screws. Disengage the five pawls, and open the
front cabinet unit.
Clamping: 10.0±0.2kgf.cm
3) Disconnect the four connectors, and remove the front cabinet unit.
*Note for installation
Insert the connectors and pass the cables in the following sequences:
1, 2, and 3 as shown in the illustration below.
1, 2, and 3 as shown in the illustration below.
DC jack
When removing the DC plug
from the DC jack, be sure to
release the lock and use a
great care not to touch the
peripheral ribs with your
fingers.
from the DC jack, be sure to
release the lock and use a
great care not to touch the
peripheral ribs with your
fingers.
*
Pass Cable (thin)
over Cable (medium)
and connect it with
CON1.
over Cable (medium)
and connect it with
CON1.
3.
Connect Cable
(thick) with CN14.
(thick) with CN14.
1.
Connect Cable
(medium) with CN2.
(medium) with CN2.
2.
UP-3500 (V)
DISASSEMBLY AND ASSEMBLY
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4) Remove the battery cover.
5) Disconnect one connector, and remove the battery unit.
6) Remove the four screws. Disconnect the direct-connector, and
remove the CPU PWB.
Clamping: 5.0±0.2kgf.cm
2. Sub PWB disassembly
1) Disconnect the two connectors. Remove the earth line. Remove the
ten screws. Remove the sub PWB unit.
*Attach in the horizontal direction so that the caulked section of the
earth wire
E is not in contact with the other cables.
A: Clamping: 5.0±0.5kgf.cm
B: Clamping: 4.0±0.5kgf.cm
C: Clamping: 10.0±0.5kgf.cm
D: Clamping: 3.5±0.5kgf.cm
B: Clamping: 4.0±0.5kgf.cm
C: Clamping: 10.0±0.5kgf.cm
D: Clamping: 3.5±0.5kgf.cm
2) Remove the eight hex screws. Remove the angle from the sub
PWB.
*The terminal cover
A comes off. Be careful not to lose it.
Clamping: 5.0±0.5kgf.cm
E
A
A
B
A
B
C
B
B
A
B
B
D
C
C
D
A
UP-3500 (V)
DISASSEMBLY AND ASSEMBLY
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3. DC jack, switch disassembly
1) Remove the two screws, and remove the angle. Remove the DC
Jack from the angle.
Clamping: 5.0±0.2kgf.cm
Clamping: 5.0±0.2kgf.cm
2) Remove the two screws, and remove the switch.
Clamping: 5.0±0.2kgf.cm
Caution: When reassembling, be careful of the direction.
4. Clerk PWB disassembly
1) Remove four screws
A and two screws B, and remove the hinge
angle.
*When removing the hinge angle, the earth plate
C will come off. Be
careful not to lose it.
A: Clamping: 10.0±0.5kgf.cm
B: Clamping: 4.0±0.2kgf.cm
B: Clamping: 4.0±0.2kgf.cm
2) Remove two screws, and remove the clerk PWB unit.
Clamping: 6.0±0.2kgf.cm
3) Turn the cap counterclockwise to remove it. Remove two screws,
and remove the clerk angle from the clerk PWB unit.
Clamping: 4.0±0.2kgf.cm
Clamping: 4.0±0.2kgf.cm
RED
BLUE
BLACK
RED
C
A
A
B
B
A
UP-3500 (V)
DISASSEMBLY AND ASSEMBLY
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5. Touch panel PWB disassembly
1) Cut the snap band at two positions with nippers, and remove the
main unit upper cabinet from the LCD unit.
Clamping: 10.0±0.5kgf.cm
Clamping: 10.0±0.5kgf.cm
2) Remove one screw, release the four pawls, and remove the rear
cabinet A.
Clamping: 4.0±0.2kgf.cm
Clamping: 4.0±0.2kgf.cm
3) Remove the two screws. Disengage the six pawls, and remove the
rear cabinet B.
Clamping: 5.5±0.5kgf.cm
4) Disconnect the five connectors. Remove the two screws, and
remove the touch panel PWB.
Clamping: 5.0±0.5kgf.cm
*Note for installation
Attach the tie band as shown below when installing the unit.
pawl
pawl
pawl
pawl
pawl
pawl
pawl
pawl
20mm from the
lower edge of the
plate
lower edge of the
plate
Bind the cables as
shown.
shown.
thin
medium
thick
Top
Bottom
1. Tie band Attach
here.
20mm from the
outlet of the cables.
outlet of the cables.
thin
medium
thick
Top
Bottom
Bind the cables as
shown.
shown.
2. Tie band Attach
here.
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