Pioneer XV-DV303, Руководство по обслуживанию

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XV-DV303
No. Pin Name I/O Pin Function
105 LFEON OUT
Reserved
for high-quality audio model's LFE control.
106 TP- OUT Not use.
107 VDD_3V3
−
3.3 V Power supply
108 VSS
−
Ground
109 TRST Diagnostic Controle Unit interface
110 TMS Diagnostic Controle Unit interface
111 TDTO Diagnostic Controle Unit interface
112 TDTI Diagnostic Controle Unit interface
113 TCK Diagnostic Controle Unit interface
114 ROTDRV OUT Carousel 5 disc changer model Tray rotation drive PWM output.
115 B_F_ROM IN
Boot select
'L' : Boot from DCU. 'H' : Boot form ROM.
116 LOAD_DRV OUT Tray Open/Close drive PWM output (SINGL & CAROUSEL)
117 CPU_OE OUT 8M / 16M bits FLASH memory for firmware.
118 CPU_SDCK OUT 64M bits SDRAM for debugging firmware .
119 VDD_2V5
−
2.5 V Power supply
120 CLK27M IN Master 27MHz system clock input.
121 VSS
−
Ground
122 VDD_PLL
−
Clock PLL circuit 2.5 V Power supply
123 VSS_PLL
−
Clock PLL circuit Ground
124 RESET IN Power ON system RESET signal 'L' input.
125 DISC_SNS IN
In case of NOT carusel 5 disc changer,
this port is N.C.(input).
Carousel 5 disc changer model
Disc sense input.
Pull up resistor is in another changer board.
126 FP_XRDY IN Front Panel interface. Hand-shake(request) input.
127 FE_INT IN
Front-End L6315
Interrupt request input.
128 SD_DQML OUT
Flash memory write enable
'L'. Debug SDRAM Lower DQM.
129 SD_DQMU OUT Debug SDRAM Upper DQM
130 SD_RXW Debug SDRAM Read/~Write
131 CPU_WAIT OUT CPU wait 'H' input
132 CE3 OUT Flash memory Chip Eenable 'L'
133
−
OUT TP-x
134
−
OUT TP-x
135 SD_XRAS OUT Debug SDRAM RAS 'L'
136 VDD_3V3
−
3.3V Vdd
137 VSS
−
GND
138
−
OUT TP-x
139 SD_XCAS OUT Debug SDRAM CAS 'L'
140 SD_XCS OUT Debug SDRAM Chip Select 'L'