XG-NV1E (serv.man5). Troubleshooting table - page 22-38 - Sharp Projector Service Manual (repair manual)

xg-nv1e (serv.man5) service manual
Model
XG-NV1E (serv.man5)
Pages
17
Size
60.94 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting table - page 22-38
File
xg-nv1e-sm5.pdf
Date
Next: Sharp XG-NV1E (serv.man6) Service Manual

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XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE 
(Continued)
22
Checking the PWB performance
Use specified cable.
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
RGB input in trouble
Feed test pattern signal from PC.
Is supply voltage as specified?
Does image appear?
Is the image proper?
Does G picture appear?
Does R picture appear?
Is specified cable connected between 
PC and projector?
Check control circuit (IC5001, IC5002, 
IC5003 and IC5010).
Are D/A outputs of IC1007, IC1008 
and IC1030 as specified?
Go to "Checking the B signal line of 
output PWB".
Through-output in trouble
Power circuit in trouble.
Go to "Checking the through-output 
circuit".
Are D/A outputs of IC1003, IC1004 
and IC1028 as  specified?
Go to "Checking the G signal line of 
output PWB".
Are D/A outputs of IC1005, IC1006 
and IC1029 as specified? 
Go to "Checking the R signal line of 
output PWB".
Go to "Checking the B signal line of 
signal processing PWB".
Go to "Checking the  remote control 
circuit".
Go to "Checking the G signal line of 
signal processing PWB".
Go to "Checking the R signal line of 
signal processing PWB".
Remote control in trouble
TROUBLE SHOOTING TABLE
XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE 
(Continued)
23
Yes
 Checking the G signal line of signal processing PWB
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
Go to "Checking synchronization".
Go to "Checking synchronization".
Check IC1002 and its peripheral parts.
IC1012, IC5002 or nearby circuit in 
trouble.
IC1009 or nearby circuit in trouble.
IC1201 or nearby circuit in trouble.
Is there signal input at pin (11) of 
IC1011?
Is there signal output at pin (35) of 
IC1011?
Is there signal input at pin (7) of 
IC1015?
Are there signal outputs at pins (197) 
thru (204) of IC1201?
Is there clock output at pin (233) of 
IC1001?
IC1003, IC1004, IC1028 or nearby 
circuit in trouble.
Is there sync signal input at pins (15), 
(216) or (217) of IC1201?
Are there signal inputs at pins (1), 
(2), (3), (5) thru (8), (127) thru (130), 
(132) thru (136), (138), (139), (145) 
thru (149), (151) thru (154), (156) 
thru (160) of IC1206?
Are there signal inputs at pins (143), 
(144), (146), (147), (148), (152) and 
(154) of IC1001?
Are there signal outputs at CH10 thru 
CH17, CH20 thru CH27, CH30 thru 
CH37, CH40 thru CH47, CH50 thru 
CH57, and CH60 thru CH67 of 
IC1001?
Check pin (4) line of connector TN.
Do voltages at pins (6), (18) and (19) 
of IC1012 change?
Is there HSYNC signal input at pin 
(23) of IC1011?
Is there clock input at pin (94) of 
IC1001?
IC1011 or nearby circuit in trouble.
IC1015 or nearby circuit in trouble.
Is there clock output at pin (14) of 
IC1201?
 IC1001 or nearby circuit in trouble.
IC1206 or nearby circuit in trouble.
Is there clock input at pin (49) of 
IC1201?
IC1001 or nearby circuit in trouble.
Are there clock inputs at pins (60), 
(103) and (143) of IC1206?
XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE 
(Continued)
24
Yes
Checking the R signal line of signal processing PWB
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
Go to "Checking synchronization".
Go to "Checking synchronization".
Check IC1002 and its peripheral parts.
IC1012, IC5002 or nearby circuit in 
trouble.
IC1009 or nearby circuit in trouble.
IC1201 or nearby circuit in trouble.
Is there signal input at pin (7) of 
IC1011?
Is there signal output at pin (40) of 
IC1011?
Is there signal input at pin (7) of 
IC1014?
Are there signal inputs at pins (189) 
thru (196) of IC1201?
Is there clock output at pin (233) of 
IC1001?
IC1003, IC1004, IC1028 or nearby 
circuit in trouble.
Is there sync signal input at pins (15), 
(216) or (217) of IC1201?
Are there signal outputs at pins (1), 
(2), (3), (5)  thru (8),  (127) thru 
(130), (132) thru (136), (138),   (139), 
(145) thru (149), (151) thru (154), 
(156) thru (160) of IC1206?
Are there signal outputs to pins 
(129), (131), (132), (133), (136), 
(137), (138) and (142) of IC1001?
Are there signal outputs at CH10 thru 
CH17, CH20 thru CH27, CH30 thru 
CH37, CH40 thru CH47, CH50 thru 
CH57, and CH60 thru CH67 of 
IC1001?
Check pin (4) line of connector TN.
Do voltages at pins (5), (18) and (19) 
of IC1012 change?
Is there HSYNC signal input at pin 
(23) of IC1011?
Is there clock input at pin (94) of 
IC1001?
IC1011 or nearby circuit in trouble.
IC1015 or nearby circuit in trouble.
Is there clock output at pin (14) of 
IC1201?
IC1001 or nearby circuit in trouble.
IC1206 or nearby circuit in trouble.
Is there clock input at pin (49) of 
IC1201?
IC1001 or nearby circuit in trouble.
Are there clock inputs at pins (60), 
(103) and (143) of IC1206?
XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE 
(Continued)
25
Yes
Checking the B signal line of signal processing PWB
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
Go to "Checking synchronization".
Go to "Checking synchronization".
Check IC1002 and its peripheral parts.
IC1012, IC5002 or nearby circuit in 
trouble.
IC1009 or nearby circuit in trouble.
IC1201 or nearby circuit in trouble.
Is there signal input at pin (15) of 
IC1011?
Is there signal output at pin (30) of 
IC1011?
Is there signal input at pin (7) of 
IC1016?
Are there signal outputs at pins (205) 
thru (208),  (212) thru (215) of IC1201?
Is there clock output at pin (233) of 
IC1001?
IC1003, IC1004, IC1028 or nearby 
circuit in trouble.
Is there sync signal input at pins (15), 
(216) or (217) of IC1201?
Are there signal outputs at pins (1), 
(2), (3), (5) thru (8), (127) thru (130), 
(132) thru (136), (138),  (139), (145) 
thru (149), (151) thru (154), (156) 
thru  (160) of IC1206?
Are there signal outputs at pins 
(156), (157), (158), (162), (163), 
(164), (166) and (167) of IC1001?
Are there signal outputs at CH10 thru 
CH17, CH20 thru  CH27, CH30 thru 
CH37, CH40 thru CH47, CH50 thru 
CH57,  and CH60 thru CH67 of 
IC1001?
Check pin (4) line of connector TN.
Do voltages at pins (7), (18) and (19) 
of IC1012 change?
Is there HSYNC signal input at pin 
(23) of IC1011?
Is there clock input at pin (94) of 
IC1001?
IC1011 or nearby circuit in trouble.
IC1015 or nearby circuit in trouble.
Is there clock output at pin (14) of 
IC1201?
IC1001 or nearby circuit in trouble.
IC1206 or nearby circuit in trouble.
Is there clock input at pin (49) of 
IC1201?
IC1001 or nearby circuit in trouble.
Are there clock inputs at pins (60), 
(103) and (143) of IC1206?
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