DOWNLOAD Sharp PG-C30XE (serv.man4) Service Manual ↓ Size: 997.63 KB | Pages: 43 in PDF or view online for FREE

Model
PG-C30XE (serv.man4)
Pages
43
Size
997.63 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Contents, Removing of major parts, Resetting the total lamp timer, The optical unit outline, Covergence and focus adjustment, Electrical adjustment, Adjusting hte PC interface, and Troubleshooting table - Page 1-43
File
pg-c30xe-sm4.pdf
Date
PREV: Sharp PG-C30XE (serv.man3) Service Manual

Sharp PG-C30XE (serv.man4) Service Manual ▷ View online

37
PG-C30XE
Lamp fails to light-up
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Turn on the power switch. Is
discharging sound heard from
the lamp?
Is the ballast cooling fan
running?
Is DC 360V voltage applied
between PL connector pins?
Is 2V or higher voltage applied
between pins (1) and (2) of
ballast's D connector?
Is D connector disconnected?
Check the power circuit.
Is the lamp out of socket?
Reconnect the
lamp into socket.
Replace the
lamp.
Reconnect the
connector into socket.
Check the
microcomputer circuit.
Replace the ballast.
TROUBLE SHOOTING TABLE 
(Continued)
38
PG-C30XE
Checking the clock circuit and its peripheral circuits
Yes
Yes
Yes
Yes
Yes
No
Is X8001 (6MHz) oscillating?
X8001 or its peripheral part faulty.
No
No
Is X8004 (22.165MHz) oscillating?
X8004 or its peripheral part faulty.
No
Is X8005 (16.25MHz) oscillating?
X8005 or its peripheral part faulty.
Is X8003 (1.84MHz) oscillating?
No
No
Yes
No
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Does pin (162) of IC8001 function?
X8003 or its peripheral part faulty.
IC8001 or its peripheral circuit faulty.
Are there signals at pins (100) and 
(101) of IC8606?
IC8004 or its peripheral parts 
defective.
Is there signal at TL8616?
IC8025 or its peripheral parts 
defective.
Is there signal at TL8615?
IC8609 or its peripheral parts 
defective.
Go to "Checking the Sync Signal 
Circuit and Its Peripherals."
Is the sync signal of split type?
Are there signals at TP8004 and 
TP8005?
Output PWB defective.
No
Is the sync signal of Sync On Green 
type?
Is there signal at TL8606?
IC8606 or its peripheral parts 
defective.
Does the input have a below-XGA 
resolution or is it video signal?
Are there signals at TL8023, 
TL8024 and TL8025?
Are there signals at TL8034 and 
TL8035?
IC8025 or its peripheral parts 
defective.
Are there signals at TL8043, TL8041 
and TL8042?
IC8020 or its peripheral parts 
defective.
E
E
Are there signals at TL8057 and 
TL8058?
IC8029 or its peripheral parts 
defective.
Are there signals at pins (19), (20), 
(21), (32), (36) and (40) of P8405?
IC8609 or its peripheral parts 
defective.
Go to "Checking the PLL Circuit and 
its Peripherals."
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-1
39
PG-C30XE
Checking the PLL circuit and its peripheral circuits
Yes
No
Are there signals at pin(111) of 
IC8606 and TL8606?
IC8025 or its peripheral circuit faulty.
Yes
No
Are there signals at pins (100) and 
(101) of IC8606?
IC8606 or its peripheral circuit faulty.
Check the video circuit and its 
peripheral circuits.
No
Is image as specified at resolution 
above XGA level?
Check the S-XGA video circuit and 
its peripheral circuits. 
Yes
No
Is image as specified at resolution 
below XGA level?
Check the VGA video circuit and its 
peripheral circuits. 
Yes
No
Hook up a video system. Is the 
display as specified?
Check the video system's video 
circuit and its peripheral circuits. 
Yes
A
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-2
40
PG-C30XE
Yes
Yes
No
No
Is there signal at pin (139) of IC8606?
Is there signal at pin (139) of IC8606?
output PWB faulty.
B
B
Yes
Yes
No
No
Are there signals at pins (21), (22), 
(24) thru (28) and (34) thru (41) of 
IC8606?
Are there signals at pins (21), (22), 
(24) thru (28) and (34) thru (41) of 
IC8606?
IC8606 or its peripheral circuit faulty.
Yes
Yes
Yes
Yes
Yes
No
No
Are there signals at TL8044 and 
TL8046?
Is there signal at TL8612?
Are there signals at pins (112) thru 
(119) of IC8020?
IC8025 or its peripheral circuit faulty.
No
Are there signals at pins (67) thru (73) 
and (189) thru (192) of IC8020?
IC8020 or its peripheral circuit faulty.
Are there signals at pins (1) thru (9) of 
IC8051?
CON4 (P8405), IC8051 or their 
peripheral parts faulty.
No
IC8609 or its peripheral circuit faulty.
output PWB faulty.
No
IC8029 or its peripheral circuit faulty.
Checking the S-
XGA's red video 
circuit and its 
peripheral circuits
Checking the VGA's 
red video circuit and 
its peripheral  
circuits
Yes
No
Is there signal at pin (27) of CON2 
(P8404) connector?
Check the video 
system's red video 
circuit and its 
peripheral circuits
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-3
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