Pioneer DV-353-K Service Manual - Page 82
Pioneer DV-353-K Manual
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No. Signal name 105 LFEON 106 TP107 VDD_3V3 108 VSS 109 TRST 110 TMS 111 TDTO 112 TDTI 113 TCK 114 ROTDRV 115 B_F_ROM 116 LOAD_DRV 117 CPU_OE 118 CPU_SDCK 119 VDD_2V5 120 CLK27M 121 VSS 122 VDD_PLL 123 VSS_PLL 124 RESET 125 DISC_SNS 126 FP_XRDY 127 FE_INT 128 SD_DQML 129 SD_DQMU 130 SD_RXW 131 CPU_WAIT 132 CE3 133 − 134 − 135 SD_XRAS 136 VDD_3V3 137 VSS 138 − 139 SD_XCAS 140 SD_XCS Dir. OUT OUT − − OUT IN OUT OUT OUT − IN IN IN IN IN OUT OUT OUT OUT OUT OUT OUT − − OUT OUT OUT Reserved for high-quality audio model's LFE control. Not use. Pin Functions 3.3 V Power supply Ground Diagnostic Controle Unit interface Diagnostic Controle Unit interface Diagnostic Controle Unit interface Diagnostic Controle Unit interface Diagnostic Controle Unit interface Carousel 5 disc changer model Tray rotation drive PWM output. Boot select 'L' : Boot from DCU. 'H' : Boot form ROM. Tray Open/Close drive PWM output (SINGL & CAROUSEL) 8M / 16M bits FLASH memory for firmware. 64M bits SDRAM for debugging firmware . 2.5 V Power supply Master 27MHz system clock input. Ground Clock PLL circuit 2.5 V Power supply Clock PLL circuit Ground Power ON system RESET signal 'L' input. 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. Front Panel interface. Hand-shake(request) input. Front-End L6315 Interrupt request input. Flash memory write enable 'L'. Debug SDRAM Lower DQM. Debug SDRAM Upper DQM Debug SDRAM Read/~Write CPU wait 'H' input Flash memory Chip Eenable 'L' TP-x TP-x Debug SDRAM RAS 'L' 3.3V Vdd GND TP-x Debug SDRAM CAS 'L' Debug SDRAM Chip Select 'L' 82 DV-353-K