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There are currently no product reviews.
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everything was fine - fast, readable, worth the price
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I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
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very quick service and manual as described - would happily trade here again!
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Fast Download,all pages present,an excellent copy.THis enabled to find the origional part numbers and chase them up. The cartridge is proving difficult to find but at least I know the origional part number.Thanks to all.
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The manual was as described. Complete with parts list and technical information. Fast delivery.
DAC (IC1: 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 LSI6 UPD6379GR R OUT CLK SI Word clock LRCK WCKO Bit clock BCKI Data SO DSP LSI1 HG51B277FB Data SI Word clock WCKI Bit clock BCK LRCK SO SCK1 CPU LSI4 GT913F
FILTER BLOCK
Since the sound signals from the DAC are stepped waveforms, the filter block is added to smooth the waveforms.
AVCC
2.7 K
To main volume 15 V10 µ
8 � 6 5 +
C472(H)
L
7 4
2
10 K
10 K
10 K 10 µF
R154
Left From DAC
AG M5218APR (1/2) � 2 IC104 � + 2 3
C221B(A)
AG AVCC C472(H)
AG 2.2 K
15 V10 µ
R
1
2
10 K
10 K
C152(H)
10 K
100 K
To main volume
AG
10 µF
Right From DAC
AG
AG
�8�
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