Denon DN-C680, Руководство по обслуживанию

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8
8 DN-C680
SEMICONDUCTORS
Only major semiconductors are shown, general semiconductors etc. are omitted to list.
主な半導体を記載しています。汎用の半導体は記載を省略しています。
1. IC’s
Note : Abbreviation ahead of IC No. indicates the name of P.W.B., etc.
注 ) : IC No. の前の記号は、基板の名称を表します。
MA : Main P.W.B.
DK : Display/Key P.W.B.
MN102H60KDA (MA: IC137)
MN102H60KDA Terminal Function
Pin
No.
Port Name Symbol I/O DET Ext Res Ini Note
1 P60,WAIT,SBT2 CDMUTE O Lv Pu H H DSP(MN662724) control signal:Mute 'H':Mute
2 -RE -RE O - Pu H - Read signal
3 -WEL,P62 -WE O - Pu H - Write signal
4 -WE,P63 -SMRDY I Lv Pu H - ACD27(SMPTE option unit) control signal:Ready
5 -CS0 -CS0 O - Pu H L Chip select signal(CS0:Flash ROM)
6 -CS1,P51,TMI30B -CS1 O - Pu H - Chip select signal(CS1:IO Expander port0-3)
7 -CS2,P52,TMI40A -CS2 O - Pu H - Chip select signal(CS2:IO Expander port4-7)
8 -CS3,P53,TMI40B -CS3 O - Pu H - Chip select signal(CS3:ACD27(SMPTE option unit))
9 P54,-BREQ ROMCLK O - Pu H - EEPROM(S24C04) control signal:Clock
10 P55,-BRACK ROMDAT I/O - Pu H - EEPROM(S24C04) control signal:Data
11 P56,-BSTRE,TMI51A P56 - - - - - Not used. Open
12 -WORD -WORD IN - H H H Data bit bus width select 'H':8bit
13 A0 A0 O - - Unfix - Address bus
14 A1 A1 O - - Unfix - Address bus
15 A2 A2 O - - Unfix - Address bus
16 A3 A3 O - - Unfix - Address bus
17 Vdd VDD - - - - - Power 3.3V)
18 fosc,PB0,BIBT1,BIBT2 TRCK O - - fosc - DIT(YM3437C) control signal:Clock
19 Vss Vss - - - - - GND(0V)
20 XI,PB1 TRDAT O - Pu H - DIT(YM3437C) control signal:Data
21 XO XO - - - - - Not used. Open
22 Vdd Vdd - - - - - Power 3.3V)
23 OSCI OSCI I - - - - X'tal input(12.288MHz)
24 OSCO OSCO O - - - - X'tal output(12.288MHz)
25 MODE MODE I - L L L Mode select 'L':Processor mode
26 A4 A4 O - - Unfix - Address bus
27 A5 A5 O - - Unfix - Address bus
28 A6 A6 O - - Unfix - Address bus
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