Sony HCD-C990 Service Manual - Page 77
Ic701, Ba6956an, Ic203, Br9040f-d-e2, Ic215, Sn74alvch16841dggr
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Page 77 highlights
R/B VCC - RELAY Board - IC701, 711, 721 BA6956AN TSD CONTROL LOGIC 1 2 3 4 5 6 7 8 9 VREF OUT2 RNF OUT1 VM VCC FIN GND RIN - DVD Board - IC203 BR9040F-D-E2 GND WC 8 7 6 5 4096bit EEPROM ARRAY 16bit 8bit ADDRESS DECODER R/W HIGH VOLTAGE AMP GENERATOR 16bit 8bit ADDRESS DATA BUFFER REGISTER COMMAND REGISTER WRITE DISABLE POWER SUPPLY VOLTAGE DETECTOR COMMAND DECODE CONTROL CLOCK GENERATION 1 2 34 DO CS DI SK HCD-C770/C990 IC215 SN74ALVCH16841DGGR 1OE 1 1D1 2 1D2 3 GND 4 1D3 5 1D4 6 VCC 7 1D5 8 1D6 9 GND 10 1D7 11 1D8 12 1D9 13 1D10 14 2D1 15 2D2 16 2D3 17 GND 18 2D4 19 2D5 20 2D6 21 VCC 22 2D7 23 2D8 24 GND 25 2D9 26 2D10 27 2OE 28 OE LE LATCH LATCH OE LE 56 1LE 55 1Q1 54 1Q2 53 GND 52 1Q3 51 1Q4 50 VCC 49 1Q5 48 1Q6 47 GND 46 1Q7 45 1Q8 44 1Q9 43 1Q10 42 2Q1 41 2Q2 40 2Q3 39 GND 38 2Q4 37 2Q5 36 2Q6 35 VCC 34 2Q7 33 2Q8 32 GND 31 2Q9 30 2Q10 29 2LE 77
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