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The Service Manual for Sansui AU-9500 was very helpfull, in complete and in good printable condition.
Document is original service document of sharp. I had a problem with the door contacts. Fuses where blown. With the manual in a few minuts is was clear what the problem was.
Manual was of great help.
With kind regards,
The scan is clear and well readable with very few weaker spots, usually on black background with white letters, but with enough zoom those spots can be read.
Printout is clear, the manual is complete and has all pages scanned.
I would give 5 stars, except that it is not in color, and the schematic and PCB pages are scanned on multiple pages. The document is locked (except printing) so the pages can not be extracted to compose them together for printing on the large plotter
It is worth the price tag.
let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
AUDIO SYSTEM ADJUSTMENTS
â¢ Adjust both Lch and Rch. [Connection]
Audio generator 600 â¦ Attenuator VCR Audiolevel meter or distortion meter 47 kâ¦
CH1 RF SWP
OK CH2 NG
AUDIO LINE IN Feed signal both channelssimultaneously.
AUDIO LINE OUT
2-4-1. Hi-Fi Audio System Adjustment â¢ Set switches and knobs to the following positions to make adjustment unless otherwise specified. INPUT SELECT switch ................... LINE AUDIO MONITOR .......................... STEREO [Adjustment Sequence] 1. AF Switching Position Adjustment 2. Frequency Responce Check 3. Overall Level Characteristic and Distortion Factor Check 4. Overall S/N Check 1. AF Switching Position Adjustment (MA-325 Board) Purpose: Adjust the interval between A CH and B CH of tape playback output. Improve the interchangeability with other tapes and sets. When it is out of order, noisy sound is increased and big noise is heard. Mode Signal Measurement point Measuring Instrument Specified Value PB Alignment tape SP mode color bar CH2: Pin 1 of CN341 CH1: Pin 3 of CN501 Oscilloscope Fig. 7-2-5 Signal
2. Frequency Responce Check Purpose: Confirm that the frequency characteristic is within the specification. Mode REC and PB (SP, EP, LP mode) 400 Hz, â7.5 dBs 20 Hz, â7.5 dBs 20 kHz, â7.5 dBs Audio output terminal Audio level meter 0 Â± 2 dB
Measurement point Measurement equipment Specified value
Note: Tape path adjustment must have been completed. Confirmation Method: 1) Supply a signal of 400 Hz, â7.5 dBs to both L and R channels of Audio Line Input. 2) Connect the audio level meter to the Audio Line Output. 3) Adjust the attenuator so that the audio level meter will indicate â7.5 dBs. 4) Make recording. 5) Set an audio line input signal to 20 Hz and make recording. 6) Set an audio line input signal to 20 kHz and make recording. 7) Playback a recorded portion, and measure output levels at 400 Hz and 20 Hz and 20 kHz. 8) Confirm that the 20 Hz and 20 kHz playback output level within a range of the 400 Hz playback output level 0 Â± 2 dB.
Adjusting Method: 1) Connect MA-325 board JS161 to the GND for about 1 second to activate the RF switching position adjustment mode. 2) Press the PAUSE button to activate the AF switching position adjustment mode. 3) Check appear âHFxxâ on FL display. 4) Using the PROGRAM + and â buttons, minimize a chipped portion. At this time, confirm that a noisy sound is not heard. 5) Press the PAUSE button. 6) Press the EJECT button.