DOWNLOAD Sharp XG-XV2E (serv.man2) Service Manual ↓ Size: 659.12 KB | Pages: 47 in PDF or view online for FREE

Model
XG-XV2E (serv.man2)
Pages
47
Size
659.12 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Service manual part one
File
xg-xv2e-sm2.pdf
Date
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45
XG-XV2E/M/A
TROUBLE SHOOTING TABLE 
(Continued)
Yes
Checking the output PWB unit
Are there signal inputs at 
P1404, P1405 and SC1501? 
Are voltages applied to EA and 
EB connectors?
Yes
No
No
No
Check IC1109, IC1209, 
IC1309 and their peripheral 
circuits.
Are there signal outputs at pins 
(30) and (40) of  IC1109, 
IC1209 and IC1309?
Yes
No
Check the switching circuit of 
IC1104, IC1204, IC1304 and 
their peripheral circuits, as well 
as the amplifier circuit of 
IC1102, IC1202 and IC1302 
and their peripheral circuits.
Are there signal inputs at pin 
(16) of IC1111, IC1110, 
IC1210, IC1211, IC1310 and 
IC1311?
Yes
No
Check the input and output 
signals at IC1106, IC1206 and 
IC1306. Check also IC1110, 
IC1111, IC1210, IC1211, 
IC1310, IC1311, and their 
peripheral circuits.
Are there signal outputs at pins 
(23), (25), (27), (33), (35) and 
(37) of IC1110, IC1111, 
IC1210, IC1211, IC1310 and 
IC1311?
Yes
Yes
No
If there is no signal input at 
pins (15) and (30) of  
SC1101, SC1102 and 
SC1103, check IC5509, 
IC5514, and their 
peripheral circuits.
No
If there is no signal input at 
pins (1) and (31) of  SC1101, 
SC1102 and SC1103, check 
the switching circuit and 
amplifier circuit of IC1112, 
IC1113, IC1212, IC1213 and 
IC1313, and their peripheral 
circuits.
Are there signal inputs at 
SC1101, SC1201 and 
SC1301?
Check IC1406, IC1407, 
IC1408 and their 
peripheral circuits.
Check the R, G and B panels.
Check the power unit circuit. 
Go to "Checking the clock 
circuit and its peripheral 
circuits".
Go to "Checking the PWB 
performance".
46
XG-XV2E/M/A
TROUBLE SHOOTING TABLE 
(Continued)
No audio output
Yes
No
Check the input, the switching circuit 
of IC6001 and IC6002, and their 
peripheral circuits.
Are there audio signal outputs at pins 
(5) and (27) of SC6001?
Yes
No
Check the amplifier of IC301 and 
IC302 and their peripheral circuits, 
the IC303 control voltage, the P1501 
connectors, etc.
Are there audio signal outputs at pins 
(1) and (2) of P1403?
Yes
No
Check IC7301 and its peripheral 
circuits.
Are there audio signal outputs at pins 
(4) and (6) of IC7301?
If the voltage at pin (7) of IC7301 is 
not as specified, check Q5501, 
Q5502 and their peripheral circuits.
Check IC7301 and its peripheral 
circuits, and the SP connectors and 
speakers.
47
XG-XV2E/M/A
TROUBLE SHOOTING TABLE 
(Continued)
Lamp does not light up
No
Yes
Replace the lamp. Does the new 
lamp light up?
Lamp was defective. 
Yes
Yes
Yes
No
No
Is voltage of over 200V supplied 
across C1701?
Is F701 blown out?
Yes
No
Is voltage of over 12V supplied 
across C722?
Replace F701, take out JW lead 
and turn on the power. Does the 
LED lights up in green?
Yes
Replace F1701. 
Is F1701 open? 
Q1701 or Q1702 defective. 
Replace it.
No
Check IC2001. 
Yes
Is voltage of over 3V supplied to 
pins (1) thru (4) of EB connector?
Power unit in trouble. Check the 
output pins of EA, EB and EC 
connectors for short-circuit or 
voltage drop.
No
Q1707 or PC1702 defective. 
Replace it.
Yes
Is voltage of over 1V supplied to 
pins (4) thru (7) of CN101?
Q701 defective. Replace it. 
Replace the sub PWB or check its 
internal elements.
No
No
Checking the throughout circuit 
Yes
No
Digital output not acceptable.
Yes
No
Are LCP and monitor interconnected 
with an appropriate  cable?
Use an appropriate cable.
Yes
No
Are LCP and monitor in sync? 
IC3003, IC3004 or IC3005 or their 
peripheral circuits in  trouble.
IC3001 or its peripheral circuits in 
trouble.
Is analog output coming from PC?
47
XG-XV2E/M/A
TROUBLE SHOOTING TABLE 
(Continued)
Lamp does not light up
No
Yes
Replace the lamp. Does the new 
lamp light up?
Lamp was defective. 
Yes
Yes
Yes
No
No
Is voltage of over 200V supplied 
across C1701?
Is F701 blown out?
Yes
No
Is voltage of over 12V supplied 
across C722?
Replace F701, take out JW lead 
and turn on the power. Does the 
LED lights up in green?
Yes
Replace F1701. 
Is F1701 open? 
Q1701 or Q1702 defective. 
Replace it.
No
Check IC2001. 
Yes
Is voltage of over 3V supplied to 
pins (1) thru (4) of EB connector?
Power unit in trouble. Check the 
output pins of EA, EB and EC 
connectors for short-circuit or 
voltage drop.
No
Q1707 or PC1702 defective. 
Replace it.
Yes
Is voltage of over 1V supplied to 
pins (4) thru (7) of CN101?
Q701 defective. Replace it. 
Replace the sub PWB or check its 
internal elements.
No
No
Checking the throughout circuit 
Yes
No
Digital output not acceptable.
Yes
No
Are LCP and monitor interconnected 
with an appropriate  cable?
Use an appropriate cable.
Yes
No
Are LCP and monitor in sync? 
IC3003, IC3004 or IC3005 or their 
peripheral circuits in  trouble.
IC3001 or its peripheral circuits in 
trouble.
Is analog output coming from PC?
Page of 47
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