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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.
;
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 !
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5.4 ERROR AND WARNING MESSAGE
A
Error by backup failure
SYS B ac kUpERR
The system microcomputer abnormality with backup data (EEPROM)
The following conditions are some possibilities: 1. Communication line to the EEPROM (or flash ROM) could either be disconnected or short. 2. The EEPROM (or flash ROM) IC itself could be faulty.
Power related warning
Protect Protect
B
E W
Error due to Power abnormality (through Protect circuit) Warning due to Power abnormality (through Protect circuit)
1. Abnormality due to short or exceeding threshold of V+10, V+5, V+3R3, VFDP 2. Somewhere toward System micro-p, VDET line get grounded, shorted, or broke
DVD Protect
DVD related Power Abnormality error
1. Abnormality due to short or exceeding threshold of V+6R8, V+5V, V+3 2. Somewhere toward System micro-p, VDET line get grounded, shorted, or broke
Amplifier related warning
OC
C
Er
ror1
Over current surge detect error
� On the next normal power up, and OC Error1 don�t happened again, then probably it is due to shorted of speakers terminal. � IF OC Error occurred again, probabe cause may be following: 1. Out of the 3 digital Amp IC (TAS5142DKD) in AMP Assy, some of them may be faulty. 2. Somewhere along the lines from above mentioned IC to speakers Terminals, lines get shorted. 3. Somewhere along the lines from above mentioned IC to Amp Micro-p, XSD line get shorted to GND, or broke. 4. VS+12 voltage is below (below 10 V) 5. (symptom not appearing again) Due to customer setting, the 2 end of the SP cable got shorted, and volume got raised. 6. (symptom not appearing again) due to customer setting, SP cable conducting part touches the player chasis.
OC Er ror2
Over current surge detect error
D
� On the next normal power up, and OC Error2 don�t happened again, then probably it is due to over volume while playing. � IF OC Error occurred again, probabe cause may be following: 1. Somewhere along the lines from power sensing circuit to Amp micro-p, PCONFIG line get shorted to power line or broke.
Over T em p
High temperature error
� On the next normal power up, and Overtemp don�t happened again, then there is no abnormality. (Possible to be just temporary rise of temperature, so lower the volume and try playing again.) � If Overtemp occurred again, possible symptom are as follow: 1. Out of the 3 digital Amp IC (TAS5142DKD) in AMP Assy, some of them may be faulty. 2. Somewhere along the lines from the above mentioned IC to Amp micro-p, XOTW line get shorted to GND. 3. Heat Sink is not installed properly (screw loss, forget to apply silicon grease, etc )
E
USB related warning
USB Er ror *blink no timeout
USB over current detect error
iPod related warning
iPod Er ror *blink no timeout
iPod over current detect error
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