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The manual was exact the thing that was promised. My old car stereo is working again thanks to the information supplied.
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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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You can fully trust on this one!
All the schematics are very crear an in one piece per page
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I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
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Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
Åsbjörn
5. Trouble Shooting Guide
-. Audio Part DHC-X200/X250
SOUND Abnormal
OPEN/CLOSE Abnormal
Check if the RY801 is OK.
No
Check if the FRONT CONTROL is OK.
No
Yes
Refer to F_RLY_CONTROL. Yes
Check if the PN402 is OK.
No
Refer to FRONT PCB. Check if the IC801 PIN(2)(4) waveform is OK. Yes No
Check if the IC801 PIN(1)(3) is OK. Yes Yes
No
Check if the CN706 is OK.
No
Check PN101E if is normally. No
Yes OK Check DSP PCB. Refer to POWER SUPPLY circuit. Yes
Check POWER SUPPLY circuit. Check if the ATAPI Cable if is normally.
Reconnect it.
No
Reconnect it. Yes
VIDEO OUT Abnormal
Check PN303 if is normally.
No
Reconnect it. Check if the VIDEO JACK is OK. Yes No
Refer to VIDEO JACK. Yes
Check if the PN303 PIN(3)(5) level is OK.
No
Check if the IC451 is OK.
No
Check if the PN303 PINS(1)(2) level is OK.(0V,5V)
No
Check if the IC451 PIN(7) is OK.
No
Yes
Yes
Replace DECK MECHA DVD. Refer to POWER SUPPLY circuit. Check if the IC102 PIN(14)(180) is OK.(MT1388)
Yes Yes Check if the IC451 PIN(2)(3) is OK.
No
No
Check if the PN101A PIN(3) to (18) waveform is OK.
No
Yes
Yes
Yes
Refer to DRIVER circuit of TROPEN and PWMOUT1.
Check MPEG PCB.
OK
Check FRONT PCB.
Replace DECK MECHA DVD.
Replace MPEG PCB.
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