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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
Really good and well scanned. File is complete the full service manual for 5$
TAPE ALIGNMENT CHART Step Item Reference Value Test Tape Adjust Point Test Point Note Be sure Wow & Flutter is within 0.35% Adjust Tape Speed of end position after adjustment at tape start position Be sure High speed after normal speed adjustment FIG.
Normal 1 Tape Speed Adjustment High 2 3 Azimuth Adjustment Recording Bias Oscillator Frequency Adjustment
Line Out L/R Channel
5,820~6,180Hz Maximum Level Phase:Within90Â° 80 KHzÂ±0.5
MTT-111N MTT-114N MTT-5511
-----Head Screw L601
Shorted TP601, TP602 Line Out L/R Channel CM617,GND
Adjust with frequency counter connected.
Adjust with Frequency Counter Connected Test Tape : MTT-111N(3kHz) MTT-5511(Blank) Set Output Level Measurement Point Forward Side Reverse Side Frequency Counter
FIG. 1 : Tape Speed & Record Bias Oscillator Frequency Adjust Circuit
FIG. 2 : Tape Azimuth Adjust Location (Record/Playback Head)
Test Tape MTT-114N (10kHz)
within 1 dB Output Level R-CH Peak within 1 dB
Output Level Measurement Point Screen Pattern
In Phase 45 Good
FIG. 3 : Tape Azimuth Adjust Head Screw & Waveform
FIG. 4 : Tape Azimuth Adjust Circuit & Waveform