It has all the information you will need to fix it. The main circuit diagram is only A4 but being a PDF, you can print it to any size - I did it on two sheets of A3 and it didnt lose any detail - just made it readable when pinned up above the bench. I've found the fault, just need to buy some obscure bits to get it going again!
I cant fault the process, I paid for the manual in the morning and it was ready to download by lunch time.
A manual hard to find. It was very helpful to restore my device.
Text excerpt from page 5 (click to view)
Alignment and Adjustment
a. ACE HEAD HEIGHT ADJUSTMENT 1) Run the alignment tape (Color bar) in the playback mode. 2) Observe surface of the audio head using a dental mirror. 3) Turn screw (C) clockwise or counterclockwise until the gap of lower tape edge and the lower edge of the control head is about 0.25mm. (Refer to Fig. 5-6 and 5-7)
b. ACE HEAD TILT ADJUSTMENT 1) Playback a blank tape and observe the position of the tape at the lower flange of tape guide. 2) Confirm that there is no curl or wrinkle at the lower flange of tape guide as shown in Fig. 5-8 (B). 3) If a curl or wrinkle of the tape occurrs, slightly turn the screw (A) tilt adjust on the ACE head ass�y. 4) Reconfirm the ACE head height.
(A) (B)
Fig. 5-8 Tape Guide Check c. AUDIO AZIMUTH ADJUSTMENT
AUDIO HEAD VIDEO HEAD
0 ~ 0 .25 mm CONTROL HEAD
1) Load alignment tape (Mono scope) and playback the 6KHz signal. 2) Connect channel-1 scope probe to audio output test point (TP302). 3) Adjust screw (B) to achieve maximum audio level. (See Fig. 5-6) d. ACE HEAD POSITION (X-POINT) ADJUSTMENT
Fig. 5-7 ACE Head Height Adjustment
1) Playback the alignment tape (Color bar). 2) Press the �SW703� button on Main PCB to set the adjustment mode. (See Fig. 5-2) 3) Press the �5� button of remote control then adjustment is operated automatically. (See Fig. 5-1) 4) Connect the CH-1 probe to TP303 (Envelope) the CH-2 probe to TP601 (H�D switching pulse) and then trigger to CH-1. 5) Insert the (-) driver into the X-Point adjustment hole and adjust it so that envelope waveform is maximum. 6) Turn the Power off.
