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There are currently no product reviews.
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It was helpful to get schematic with waveforms in important points and lot of service information. Manual is good quality, fast delivered. Of course it is hardcopy of paper one with all its disadvantages.
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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.
LC-22GA3H/M/X
No sound
Is there the audio output in any input mode (TV, AV and J2401 thru pins (2) and (4) of IC2401. Check the following. COMPONENT)? NO 3 No audio output AV 2 input ... Check Is there the audio output speakers? 1 Go to "No Audio from Speakers". 4 No audio output from COMPONENT 3 Release the mute mode. input ... Check J3406 thru pins (47) and
NO 2 No audio output from AV 1 input ... Check
Is connected correctly? J2403 thru pins (9) and (11) of IC2401. 2 Connect the monitor output correctly.
speakers No sound from monitor output Check the following. 1 No audio output from TV ... Check the peripheral circuits of Q3204 Q3205 and TU3402.
3 Is the mute mode released?
YES YES (48) of IC3201. NO Is there the audio signal output at pins (38)(Rch) and
Check the peripheral circuits of IC3201. (37)(Lch) of IC3201?
YES
2 Is sound volume loud enough? Check the peripheral circuits of IC2001. Is pin (43) of IC2001 "L"?
Recheck the following. Check the following. 1 Is the monitor output in AV3 IN/OUT setting "Audio NO 1 Set the monitor output to "Audio fixed". fixed"? 2 Increase the sound volume. NO 3 Release the mute mode. 3 Is the mute mode released? 4 Unplug the headphones. 4 Are the headphones unplugged? YES Check pin (43) of IC2001 thru Q3406. Check the following. YES Is signal from the Q3406 collector "H"?
YES NO
NO +8V system ...Check the peripheral circuits of Is the power supply voltage at each circuit normal?
+5V system ...Check B5V1A line DC-DC pins (4) (Lch) and (2) (Rch) of J2404. Pins (11), (12), (13), (65) and (66) of IC3201 Approx.+5V conversion circuit output which consists of IC702, Q713, L703, YES etc. thru each +5V input pin of IC3201. Q3709 pin (39) IC3201. Pin (39) of IC3201 Approx.+8V Check pins (38)(Rch) and (37)(Lch) of IC3201 thru
TROUBLE SHOOTING TABLE (Continued)
24
Check (29) and (30) of IC2001 thru pins (2) and (3) of IC3201.
Is there the control signal input at each pin of IC3201? NO Pin (2) of IC3201 SCL1 Pin (3) of IC3201 SDA1
YES NO
Are the oscillation waves from pins (71) and (72) of Check the peripheral circuits of X3201. IC3201 normal?
YES NO
Is there the audio signal output at pins (27)(Rch) and Check the peripheral circuits of IC3201. (28)(Lch) of IC3201?
YES
Check pins (27)(Rch) and (28)(Lch) of IC3201 thru pins (7)(Rch) (1)(Lch) of IC3301, and the peripheral circuits of IC3301 and IC4405.
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