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Perfect, complete manual, exactly what I needed. Recommended to everyone.
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Very usefull manual. From my point of view there are needs more clearables images.
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Once again owner-manual.com has saved the day for me, and come through with the manual I need. I looked other places too, and couldn't find it anywhere. Thank You owner-manual.com!!! You're the BEST!
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very good quality that can be magnified several times, and it remains readable.
For sure I will return next time the need for a service manual arise.
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The service manual is really great - thanks to it I was able to install the laser unit and thus "save" my CD-player, which seemed to be impossible before I had the manual.
XG-P25X
TROUBLE SHOOTING TABLE (Continued)
Checking the video system
Is the lamp on?
No
Yes
Go to "Lamp fails to light-up". Is specified voltage fed to EA connectors?
No
Yes
Check the power circuit and its parts. Are there signal inputs at pins (9), (19) and (21) of SC401?
No
Yes
Are there signals at pin (7) of IC5555? Are there signal outputs at pins (1),(12) and (14) of SC4303?
No No
Yes
Check SC4303,P4303 and their peripheral circuits. (Go to "Checking the output PWB unit".)
Check the IC5555 and its peripheral circuits.
Check IC4311, IC4502, IC4501and their peripheral circuits.
Checking the video unit circuit
Is there video signal output at P401 pin (9).
No
Yes
Check the IC5555 selector switch, terminal voltage and input circuit.
Is there video signal input at pins (76) and (88) of IC4502?
No
Check the low-pass and buffer circuits of Q4501,Q4502,and Q4508,Q4509.
Yes
Are there signal outputs at pins (83) and (84) of IC4502?
No
Yes
Check IC4502,IC4503 and their peripheral circuits (bias).
Check the buffer circuits of Q4503 thru Q4504. Is the signal as specified?
No
Yes
Check Q4503 thru Q4504 and their peripheral circuits.
Check IC4501,IC4311and their peripheral circuits. (Go to "Checking the output PWB unit".)
37
 $4.99 XG-P25X SHARP
Parts Catalog Parts Catalog only. It's available in PDF format. Useful, if Your equipment is broken and You need t…
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