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This is exactly the thing you need to service this box. The manual is complete and the quality of the scan is good. I recommend this!
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The delivery of this manual was very fast, less than 8 hours. The manual is very clear and concise, and helped a great deal in the repair and final setup of the Hitachi HMA-G2 Amplifier.
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Great service. The manual was exactly what I was looking for: schematic + layout. I managed to fix the player. Highly recommended!
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At $5,00 certainly good bang for your buck. Includes electric schematics as well as exploded parts view + parts list for reordering. Unfortunately no details on the PCB contents or working, but then again, this is not overly complex. Best bonus: this manual does contain the heavily searched for LED error codes as well as descriptions for test operation. Haven't gotten around to fixing the machine yet, one thing the manual won't do for you is getting it out of the kitchen assembly :-(
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It`s not your fault tear down is rather incomplete. It doesn`t have complete instructions as to deconstruction for repair.
TROUBLESHOOTING
No power Power indicator does not light up.
Connect an AC adapter into the power jack.
Does the keyboard work? No
Yes
Check contact at battery springs. Measure voltage at pin 16 of IC AN8053N. Replace D101. Is the voltage +6.8 V? No Check contact of power switch. Check contact of the power jack. Clean the switch contacts. No Is it OK? Yes Yes
Replace the jack.
Check soldering at pins of the power jack.
Yes
Is it OK?
No
Check D102.
Solder the pins.
If D102 is defect, replace it.
�5�
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