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Excellant, finally this is want I need and searching for The service manual is fantastic and thank you to owner-manuals.com and its service. Price is reasonable. It's a bit slow on my end in downloading but manage to receive the whole manual without a break. once again, thanks.
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Very good scanning quality. All schematics are very legible. Worth every cent !
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Excellent quality, very quick download turnaround, will definately use again.
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This is a awesome quality scan of the original Service Manual for Technics 8099.
Contains the circuit diagram, PCB layout, adjust/tune instructions as well.
Since this is my first buy here, i'm really glad! This site do works as intended/described, it's definitely not scam!
Мои рекомендации! Все мануалы настоящие!
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Good Quality of the File.
You get the normal manual is incudet.
Pin No. 50 58 60 61 62, 66, 70, 74, 78 63, 67, 71, 75, 79 64, 65, 68, 69, 72, 73, 76, 77
Terminal VSS3 EA13 EWEB EA14 VSS2 VDD2 PA0 ~ PA7
In/Out In Out Out Out In In Out Ground (0 V) source
Function Not used Write enable signal output for the effect RAM Not used Ground source +5 V source LED segment signal output
DAC (IC102: 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 IC102 UPD6379GR R OUT SI Word clock LRCK WCKO Bit clock CLK Data SO DSP LSI101 HG51B227FB Data 1K SI Word clock WCKI LRCK Bit clock BCKI 47K 22K BCK SO SCK1 CPU LSI105 UPD912GF-3BA
FILTER BLOCK
Since the sound signals from the DAC are stepped waveforms, the filter block is added to smooth the waveforms.
AVDD AVDD 2SC1740SQ 2SC1740SQ 1K 1K 1K 50V0.22µ
C332(H)
From the DAC
To main volume
10V22µ 470 C333(H) AG AG AG
AG
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