SONY STRDB870
Manual de Servicio

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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