Good manual. It is complete and of high quality, both text and graphics. The schematics are with the original big size, so it can be viewed or printed without any loss of resulution and sharpness.
All ok. I pay 5 $ and now i have 92 pages of good scaned service manual for my oooooold akai. Now i will try to repair it.
Text excerpt from page 21 (click to view)
4. Playback the playback gain adjustment portion(315Hz, 0dB) of test tape(QZZCFM). Check if level difference between forward and reverse direction is within 1.5dB. 5. After the adjustment, apply screwlock to the azimuth adjusting screw.
Fig. 1
Fig. 2
Fig. 3
9.1.2. Tape Speed Adjustment
1. Connect the measuring instrument as shown in Fig. 4. 2. Playback the middle portion of the test tape (QZZCWAT). 3. Adjust motor VR for the output value shown below. (Refer to Fig. 5) [Adjustment target : 3000 ± 40Hz]
Fig. 4