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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
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Perfect source of information for replacing the HDD and performing general diagnostics.
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Perfect source of information for replacing the HDD and performing general diagnostics.
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Very good scanned copies. Quick response and reasonable price. Thanks for service!
DAC (LSI6: UPD6379GR)
The DAC receives 16-bit serial data output from the DSP. The data contains digital sound data of the melody, chord, bass, and percussion for the right and left channels. The DAC converts the data into analog waveforms and output them to each channel separately.
Synch signal SINC L OUT DAC IC6 UPD6379GR R OUT SI Word clock LRCK WCKO Bit clock CLK
2.2K 0.01 µF
SCK1 Data SO CPU LSI1 UPD913GF-3BA
Data SO DSP LSI2 HG51B277FB SI
Word clock WCKI LRCK Bit clock BCKI BCK
FILTER BLOCK
Since the sound signals from the DAC are stepped waveforms, the filter block is added to smooth the waveforms.
AVDD Q107 2SC1740SQ.R
AVDD
22 �
Q110 2SC1740SQ.R 10K 150PF 270PF 10K
+
10 V22 µ 22K 1K 6.3V 1000 µ
10K 560PF
From DAC
AG
To main volume
AG AG
AG 18K 10K AG
AG
�9�
 $4.99 CTK601 CASIO
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…  $4.99 CTK-601 CASIO
User Guide It's a complete guide ( also known as operating manual or owner's manual), and it's in PDF format. A…
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