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I want to give you a real heads-up for your desire to enable such people as I to acquire the information I need to maintain the older types of equipment such as this Akai HXA351W. You do a swell job with all the processes you have to perform so I can have a legible, thus usable
document which does not send me crazy trying to figure out the blurry text of a bad copy.
Very well done, Thomas.
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This manual is very well presented and after printing out looks about as close to an original as I think you can get. The quality is second to none.
The content of the manual is comprehensive and I think it would be well suited to an audio repair professional which I'm not but I did find it very informative and helpful.
The cost of the manual is more than covered by the money I'll save when I change the keep memory battery now I have the relavant info.
Very pleased with my purchase and can recommend it wholeheartedly as I can other manuals I've downloaded from this site.
Regards
Limey Alex
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Complete manual including mechanical part in good pdf quality. Shaded greys of the pcb due to pdf not perfect but usable.
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Nice pdf file of the manual sent promptly. Thanks.
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Complete MFG Service Manual at a good price FAST !
AV-25LS AV-25LX
5DIFFERENCE CONVERGENCE ADJUSTMENTS (Page 35)
STATIC CONVERGENCE ADJUSTMENT
(Same as AV-24LS and AV-25LX.) 1. Input a crosshatch signal. 2. Using 4-pole convergence magnets, overlap the red and blue lines in the centre of the screen (Fig. 4) and turn them to magenta (red/blue). 3. Using 6-pole convergence magnets, overlap the magenta(red/blue) and green lines in the centre of the screen and turn them to white.
(FRONT VIEW) (FRONT VIEW)
Fig. 4
4. Repeat 2 and 3 above, and make best convergence.
TOP
DYNAMIC CONVERGENCE ADJUSTMENT
(Procedure is changed from AV-25LS and AV-25LX.) 1. Move the deflection yoke up and down to adjust the pin cushion distortion in the screen top and bottom. (Fig. 5) 2. Move the deflection yoke left to right to overlap the lines in the periphery, and match the Yv. (Fig. 6) 3. Using the VR on the deflection yoke, match the YH (CROSS). (Fig. 7 and 9) 4. Repeat the steps 1 and 3 and obtain an optimum convergence. 5. Differential coil ADJUSTMENT. In case where the horizontal lines of red and blue around the centre of both sides of the picture as shown in Fig. 8, adjust the XV difference by using the differential coil on the top of the deflection yoke (Fig. 9) so as to minimize the XV difference.
YV Fig. 6 (FRONT VIEW) RED YH GREEN BLUE BLUE GREEN RED (FRONT VIEW) RED GREEN BLUE YV BLUE GREEN RED RED GREEN BLUE BOTTOM Fig. 5
� After adjustment, fix the wedge at the original position.
Fasten the retainer screw of the deflection yoke. Fix the PC magnet with glue.
BLUE
RED GREEN BLUE BLUE GREEN YH RED
VR
GREEN RED
FRONT XV coil
Fig. 7 (FRONT VIEW)
Fig. 9
Xv
GREEN
Fig. 8
2
No. 51848C
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