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SHARP XL45H
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SHARP XL45H Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 39 (click to view)
XL-45H
⢠HF error.
Is output (tracking error signal) obtained at the pins 33 (TE) and 37 (TRCRS) of IC801 the CD TEST MODE "STEP 4" is changed to "STEP 5"? Yes
test mode "step 4" test mode "step 5"

No

Is output obtained at the pins 2 and 5 of CNS802 No Yes Check the periphery of IC802. Check the PWB pattern between pin 20 (TEOUT) of IC802 and pins 33 and 37 of IC801. Is it normal ? Yes

Optical pickup failure.

IC801 is faulty. No

TE TRCRS

Check the PWB pattern between pin 33 (TE) of IC801 and pin 19 of IC804. Check the periphery of IC804 and CNW801/CNS801. If OK. Optical pickup failure. Is output (HF signal) obtained at the pin 44 (ARF) of IC801 when the CD TEST MODE "STEP 4" is changed to "STEP 5"? Yes
test mode "step 4" ARF test mode "step 5"

No

Is output obtained at the pins 1 and 3, 4 of CNS802. No Yes

Optical pickup failure.

Check the periphery of IC801. Check the PWB pattern pin 44 (ARF) of IC801. If OK. IC802 is faulty

Is output (HF signal) obtained at the pin 38 (/RFDET) of IC801 when the CD TEST MODE "STEP 4" is changed to "STEP 5"? Yes
test mode "step 4" test mode "step 5"

No

Check the periphery of IC801. Check the PWB pattern pin38 (/RFDET) of IC801. If OK. IC802 is faulty.

/RFDET

Is the following wave output to the pin 10 (VIN2) of IC804 when the CD TEST MODE "STEP 4" or "STEP 5"? Yes
VO2 test mode "step 4" test mode "step 5"

No

Check the periphery pins 52~53 of IC801. If OK. IC801 failure.

Normal.

⢠No sound.
No sound from both L and R-ch? No Yes No Is signal of pins 73 and 75 of IC801 output? Yes Check the peripheral parts of IC801. If OK, IC801 is faulty. Check the interval between the pins 73 or 75 of IC801 and the pins 1 or 3 IC601.

The main PWB is faulty.

â 39 â

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XL-45H SHARP
Owner's Manual

Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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