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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.
3. The base and handset cannot be connected.
Check whether the base is able to set in the test mode. OK Check the TX POWER and the TX FREQUENCY on the base unit. OK Press and hold PAGE key twice, check whether the TXD is output from Pin 48 of IC3. OK Check whether the TXD is output from MOD POINT (See page 24). OK Check whether the handset is able to set in the test mode. OK Check the TX POWER and the TX FREQUENCY on the handset unit. OK Press "3" key, check whether TXD is output from Pin 40 of IC601. OK Check whether the TXD is output from MOD POINT (See page 25). OK Place the handset on the base to charge about 5 seconds, then try connecting again. NG Check R620 and the handset RF unit. NG Check IC601 and its peripheral circuit. NG Check the handset RF unit. NG Check IC604 and its peripheral circuit. NG Check R7, R21 and the base RF unit. NG Check IC3 and its peripheral circuit. NG Check the base RF unit. NG Check IC5 and its peripheral circuit.
� 14 �
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