Sharp SL-5500 Service Manual page 38

PC-UM10M
Attach so that the slanting rib of the LCD holder is
engaged with the notch of the boss cap.
Attach so that the pawl of the boss cap is
engaged with the notch of the inverter holder.
Pawl
Notch
Boss cap
2. Inverter Unit disassembly
Perform the following procedures:
a. Remove the Inverter FPC 1 from the Inverter FPC Connector 2.
b. Lift the Inverter Unit from A in the figure above, and remove it.
c. Remove the Cool CRT lead connector from the inverter.
* The lead wire must be treated within the printed
7
characters of the inverter PWB.
If not, it would be pinched by the lower cabinet.
Connecter
* The red lead wire is overlapped.
insertion
lock
White lead
2
1
3
Red lead
White
Connector insertion
5
Pass the lead wire
4
along R of the
Pink
A
Inverter Holder.
6
Inverter attachment reference
(Slit on the right upper corner)
* Note for assembly
(1) Put two lead wires of the Cool CRT 3 in the notch of the
Inverter Holder 4.
(2) Connect the lead wire of the Cool CRT 3 to the Inverter Unit 5.
(3) Separate the Separation Sheet of the Inverter Fixing Tape 6.
(4) First, engage the PWB edge of the Inverter Unit 5 on the right
upper section of the Inverter Holder 4. Then, put the opposite
side of the unit in the holder.
(5) Press and connect the upper section of the connector of the
Inverter Unit 5.
(6) Release locking of the connector of the Inverter FPC of the
Main PWB Unit.
(7) Insert the Inverter FPC completely into the connector and lock
it.
(8) Check the connection state.
Reference: Check that the FPC Support Plate can be seen by
about 2.0mm from the edge of the connecter lock.
Notch
Slanting rib
Do not press the
connector edge.
OK
NG
Lead wire
Do not bend the lead
wire at its root section.
Connector
Safety Process
SL-5500 DISASSEMBLY AND ASSEMBLY
(9) Fold the excessive lead wire of the Cool CRT 2 inside the
Inverter Holder 4.
(10)Process the lead wire of the Cool CRT 3 so that it does not
make contact with the Stylus Lock section of the Stylus Holder
7. If not, the Stylus would not be inserted or removed
smoothly.
(11)When separating the Separation Sheet of the Inverter Fixing
Tape 6, be careful to prevent the Duplex Tape from getting
entangled.
(Special note)
The Inverter Unit generates a high voltage which may generate
heat and smoke if treated improperly.
Therefore, the following notes should be strictly observed.
(1) When processing the lead wire of the Cool CRT, be careful not
to damage the coating cover.
• Never use a sharp cutter for processing of the lead wire.
• Never use the Cool CRT with damaged or broken coating
cover of lead wire.
• Never use an inverter unit that was dropped or damaged by a
strong shock.
(2) Since the PWB of the Inverter Unit 5 is fragile, be sure to hold
the connectors when connecting the lead wire of the Cool CRT
3.
3. Inverter Holder disassembly
Slide the Inverter Holder in the direction of B in the figure below,
and remove it.
* Note for assembly
(1) Insert the Pawls (x 2) on the back of the Inverter Holder 1 into
the hole the notch of the PWB. Then slide the holder to the left
in the direction of A and fix it.
(2) Before attaching the Inverter Holder, check that the Tablet Pin
2 is connected.
(3) When attaching, be careful not to damage the lead wire of the
Cool CRT.
– 37 –
1
A
2
B