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Very good quality original datasheet!I like this amazing website!!!!!!
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Excellent just what I needed to replace the electrolytic caps and make this old gem a beauty again. Was as scan of the original photocopied service manual.
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It was helpful to get schematic with waveforms in important points and lot of service information. Manual is good quality, fast delivered. Of course it is hardcopy of paper one with all its disadvantages.
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I want to give you a real heads-up for your desire to enable such people as I to acquire the information I need to maintain the older types of equipment such as this Akai HXA351W. You do a swell job with all the processes you have to perform so I can have a legible, thus usable
document which does not send me crazy trying to figure out the blurry text of a bad copy.
Very well done, Thomas.
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This manual is very well presented and after printing out looks about as close to an original as I think you can get. The quality is second to none.
The content of the manual is comprehensive and I think it would be well suited to an audio repair professional which I'm not but I did find it very informative and helpful.
The cost of the manual is more than covered by the money I'll save when I change the keep memory battery now I have the relavant info.
Very pleased with my purchase and can recommend it wholeheartedly as I can other manuals I've downloaded from this site.
Regards
Limey Alex
STR-DB870/DB1070
Pin No. 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131
Pin Name HACN1 XRST1 PM1 ADC : RST DACINT DA1LAT (PG3) DACCLK (PG4) DACDI (PG5) 2EXLOCK VCC VSS EEPROM SDA EEPROM SCL VSS HCLK HDIN HDOUT2 CLK DATA LAT DAIDO SOTI SIN1 CLK DIN LAT CLR VOL IC LAT SYSTEM MUTE AC MUTE PROTECTOR DA2LAT CD DIRECT ANALOG DIGITAL VCC A. DIRECT NC NC DAVS DAVC AVCC AVRH AVRL AVSS
I/O I O O O O O O O O � � I/O O � O O I O O O I O I O O O O O O O I O O O � O � � � � � � � �
Description Host acknowledge signal input from the audio DSP1(IC1501) Reset signal output to the audio DSP1 (IC1501) PLL initialize signal output to the audio DSP1 (IC1501) Reset signal output to the A/D converter (IC1101) Reset signal output to the D/A converter (IC1201) Serial data latch pulse output to the D/A converter (IC1201) Serial data transfer clock signal output to the D/A converter (IC1201, 1202) Serial date output to the D/A converter (IC1201, 1202) Extarnal lock signal output to the audio DSP (IC1601) Power supply terminal (+3.3V) Ground terminal Two-way data bus with the EEPROM (IC1701) Serial data transfer clock signal output to the EEPROM (IC1701) Ground terminal Host clock signal output to the audio DSP (IC1501, 1601) Host serial data output to the audio DSP (IC1501, 1601) Host serial data input from the audio DSP (IC1601) OSD serial data transfer clock signal output to the select switch (IC307) OSD serial data output to the select switch (IC307) OSD serial data latch pulse output to the select switch (IC307) Serial data input from the D/A converter (IC1201) UART signal output terminal Not used (fixed at �L�) UART signal input terminal Not used (fixed at �L�) Serial data transfer clock signal output to the FL display driver (IC1601) Serial data output to the FL display driver (IC1601) Serial data latch pulse output to the FL display driver (IC1601) Clear signal output to the FL display driver (IC1601) Serial data latch pulse output to the electrical volume (IC401, 501, 601, 701) System muting control signal output terminal Audio muting control signal output to the poweramp (IC403, 503, 603) Over load detection signal input from the protect circuit �L�: protect detect Serial data latch pulse output to the A/D, D/A converter (IC1202) CD direct relay drive signal output terminal �H�: relay on Analog/digital select signal output to the TC7WH157FU (IC1407) �L�: analog, �H�: digital Power supply terminal (+3.3V) MULT/2CH DIRECT select signal output terminal Not used (open) Not used (open) Not used (open) Ground terminal (for digital) Power supply terminal (+3.3V) (for digital) Power supply terminal (+3.3V) (for analog) Reference voltage input (+3.3V) terminal (for analog) Connect to ground (for analog) Ground terminal (for terminal)
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