Sharp XG-C50XE (serv.man24) Service Manual ▷ View online
11
XG-C50X
Connection Pin Assignments
RS-232C Terminal: 9-pin Mini DIN female connector
Pin No.
Signal
Name
I/O
Reference
1
VCC
+3.3V (Reserved)
Output
Not connected
2
RD
Receive Data
Input
Connected to internal circuit
3
SD
Send Data
Output
Connected to internal circuit
4
EXIR
Detector of Option Unit
Input
Not connected
(Reserved)
5
SG
Signal Ground
Connected to internal circuit
6
ERX
IR Receive Signal from
Input
Not connected
IR Amplifier (Reserved)
7
RS
Request to Send
Output
Not connected
8
CS
Clear to Send
Input
Not connected
9
ETX
IR Transmit Signal
Output
Not connected
(Reserved)
9-pin D-sub male connector of the DIN-D-sub RS-232C adaptor
Pin No.
Signal
Name
I/O
Reference
1
CD
N
ot connected
2
RD
Receive Data
Input
Connected to internal circuit
3
SD
Send Data
Output
Connected to internal circuit
4
ER
N
ot connected
5
SG
Signal Ground
Connected to internal circuit
6
DR
Data Set Ready
Not connected
7
RS
Request to Send
Output
Connected to internal circuit
8
CS
Clear to Send
Input
Connected to internal circuit
9
CI
N
ot connected
RS-232C Cable recommended connection: 9-pin D-sub female connector
Pin No.
Signal
Pin No.
Signal
1
CD
1
CD
2
RD
2
RD
3
SD
3
SD
4
ER
4
ER
5
SG
5
SG
6
DR
6
DR
7
RS
7
RS
8
CS
8
CS
9
CI
9
CI
Note
Depending on the system layout, it is necessary to connect Pin 4 and Pin 6 on the controlling device (e.g. PC).
USB Port: 4 pin B-type USB connector
Pin No.
Signal
Name
1
•
VCC
USB power
2
USB–
USB data–
3
USB+
USB data+
4
SG
Signal Ground
INPUT 1/2 RGB and OUTPUT Signal Terminal: 15-pin Mini D-sub female connector
RGB Input
1. Video input (red)
2. Video input (green/sync on green)
3. Video input (blue)
4. Reserve input 1
5. Composite sync
6. Earth (red)
7. Earth (green/sync on green)
8. Earth (blue)
9. Not connected
2. Video input (green/sync on green)
3. Video input (blue)
4. Reserve input 1
5. Composite sync
6. Earth (red)
7. Earth (green/sync on green)
8. Earth (blue)
9. Not connected
10. GND
11. GND
12. Bi-directional data
13. Horizontal sync signal
14. Vertical sync signal
15. Data clock
11. GND
12. Bi-directional data
13. Horizontal sync signal
14. Vertical sync signal
15. Data clock
Component Input
1. P
R
(C
R
)
2. Y
3. P
3. P
B
(C
B
)
4. Not connected
5. Not connected
6. Earth (P
5. Not connected
6. Earth (P
R
)
7. Earth (Y)
8. Earth (P
8. Earth (P
B
)
9. Not connected
10. Not connected
11. Not connected
12. Not connected
13. Not connected
14. Not connected
15. Not connected
11. Not connected
12. Not connected
13. Not connected
14. Not connected
15. Not connected
Projector
Pin No.
4
5
6
5
6
PC
Pin No.
4
5
6
5
6
5
10
15
15
1
6
11
6
11
8
9
6
5
2
1
4
3
7
1
5
6
9
5
1
9
6
1
2
4
3
12
XG-C50X
Dimensions
Side View
Side View
Top View
Rear View
Front View
Bottom View
3
15
/
16
(100.5)
9
1
/
2
(241.5)
15
3
/
8
(390)
5 (126.5)
1
/
16
(1.5)
1
/
16
(1.5)
3
1
/
8
(80)
ø 67.5
4
3
/
8
(111.75)
2
15
/
16
(75)
M4
M4
M4
M4
2
11
/
16
(67.5)
4
15
/
16
(124.5)
5
/
16
(7.5)
3
7
/
8
(99)
8
7
/
16
(213.3)
11
9
/
16
(294)
3
/
16
(5.2)
1
/
8
(4)
9
/
16
(15)
2
1
/
8
(54.5)
1
3
/
4
(44.5)
4
1
/
8
(104)
Units: inches (mm)
13
XG-C50X
REMOVING OF MAJOR PARTS
1. Removal of the bottom filter cover and lamp unit cover
1-1. Detach the bottom filter cover.
1-2. Loosen the lock screw from the lamp unit cover, and detach the lamp unit cover.
1-3. Pull out the carrying handle.
1-4. Press the
1-2. Loosen the lock screw from the lamp unit cover, and detach the lamp unit cover.
1-3. Pull out the carrying handle.
1-4. Press the
~
-marked spot of the upper half of the lens cover to unhook the claw, and detach the upper lens
cover.
1-5. Detach the lower half of the lens cover.
2. Removal of the top panel and rear panel
2-1. Remove the six lock screws (black) and one lock screw (yellow) from the top panel.
2-2. Remove the eight lock screws from the rear panel and detach the rear panel.
2-3. Slowly lift the top panel and disconnect the connector from the key PWB. Remove another screw and detach
2-2. Remove the eight lock screws from the rear panel and detach the rear panel.
2-3. Slowly lift the top panel and disconnect the connector from the key PWB. Remove another screw and detach
the top panel.
1-2
1-1
Lamp unit cover
Bottom filter cover
Upper half of the lens cover
Carrying handle
Lower half of the lens cover
1-3
1-5
1-4
2-1
2-2
2-3
Top panel
Rear panel
(Black)
(Yellow)
2-1
14
XG-C50X
3. Removal of the PWBs
3-1. Remove the two lock screws from the lamp socket angle. Detach the lamp socket angle.
3-2. Lift the ballast unit. Disconnect the connector and detach the ballast unit.
3-3. Remove the lock screw from the PWB unit cover and detach the cover.
3-4. Remove the three lock screws from the PWB assembly, disconnect the connector and detach the PWB
3-2. Lift the ballast unit. Disconnect the connector and detach the ballast unit.
3-3. Remove the lock screw from the PWB unit cover and detach the cover.
3-4. Remove the three lock screws from the PWB assembly, disconnect the connector and detach the PWB
assembly.
3-5. Remove the two lock screws from the cooling fan, disconnect the connector and detach the cooling fan.
3-6. Remove the lock screw from the grounding terminal, disconnect the connector and detach the AC inlet PWB.
3-6. Remove the lock screw from the grounding terminal, disconnect the connector and detach the AC inlet PWB.
4. Removal of the optical mechanism, fan PWB, power PWB and R/C receiver PWB
4-1. Remove the seven lock screws from the optical mechanism, and take out the optical mechanism.
4-2. Remove the lock screw from the cooling fan, and detach the cooling fan and fan PWB.
4-3. Remove the four lock screws from the power PWB, and detach the power PWB.
4-4. Take out the R/C receiver PWB.
4-2. Remove the lock screw from the cooling fan, and detach the cooling fan and fan PWB.
4-3. Remove the four lock screws from the power PWB, and detach the power PWB.
4-4. Take out the R/C receiver PWB.
3-1
3-2
3-5
3-4
3-6
3-3
3-4
PWB Ass'y
AC Inlet PWB
PWB Ass'y cover
Ballast Unit
Cooling Fan
4-1
4-2
4-1
Power PWB
R/C Receiver PWB
Fan PWB
Cooling Fan
4-3
4-3
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