Kenwood DV-502, Руководство по обслуживанию

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DV-502/503/DVF-3050/3550
5
CIRCUIT DESCRIPTION
Note: Port list sorted by function for MPEG IC
Port No. Port Name I/O
Main Alternate function
Function Input Output
Audio DAC
51 DAC SCLK O Over sampling clock EXT AUD CLOCK
52 DAC PCMOUT0 O PCM out 0 EXT AUD DATA
53 DAC PCMOUT1 - PCM out 1 (unused) EXT AUD REQ
54 DAC PCMOUT2 - PCM out 2 (unused)
55 DAC PCMCLK I/O PCM clock
56 DAC LRCLK O Left/Right clock EXT AUD WCLK
57 SPDIF OUT O SPDIF out
48 VDD PCM - VDD(+3V3)
49 VSS PCM - GND
Clock & Reset
124 RESET I Chip reset
122 VDD PLL - VDD PLL
123 VSS PLL - GND
120 PIX CLK I 27MHz main clock
PIOs and communication
186 PIO0(0) T STROBE I/O PIO0(0) UART0 data
187 PIO0(1) MOD SW I/O PIO0(1) ATAPI RD
188 PIO0(2) VFD STB I/O PIO0(2) ATAPI WR
189 PIO0(3) VFD CLK I/O PIO0(3)
190 PIO0(4) VFD DATA OUT I/O PIO0(4)
191 PIO0(5) VFD DATA IN I/O PIO0(5)
PIO0(6) SLIDER SENSOR
192 OPEN/CLOSE I/O PIO0(6)
(DRAWER POSITION)
193
PIO0(7) SLIDER IN
(DRAWER CCW/CTRL)
I/O PIO0(7)
194 PIO1(0) SDA I/O PIO1(0) SSC0 data (MTSR out/MRST in)
195 PIO1(1) SCL I/O PIO1(1) SSC0 clock
196
PIO1(2) SLIDER OUT
(DRAWER CW CTRL)
I/O PIO1(2) PARA DVALID
197 PIO1(3) TXD(JIG) I/O PIO1(3) UART2 TXD
200 PIO1(4) RXD(JIG) I/O PIO1(4) UART2 RXD
201 PIO1(5) FRONT TXDI I/O PIO1(5) PARA SYNC UART1 RXD
202 TRIGGER IN I/O Trigger in for DCU
203 TRIGGER OUT I/O Trigger out for DCU
204 PIO2(0) H/P IND I/O Unused
205 PIO2(1) FRONT RXD I/O Unused
206 PIO2(2) MIC IN - Unused
207 PIO3(8) MIC OUT - Unused
208 PIO2(4) AUDIO MUTE I/O Audio mute
1 PIO2(5) RGB SEL(BLANK) I/O RGB sel.(blank)
2 PIO2(6) VIDEO MUTE I/O Video mute
3 PIO2(7) 16: 9 INDICATOR I/O 16 : 9 indicator
6 PIO3(0) SCART H(TV/AUX) I/O PIO3(0) PARA DATA(0)
7 PIO3(1) POWER CTL I/O PIO3(1) PARA DATA(1)
8 PIO3(2) I/O Unused PARA DATA(2)
9 PIO3(3) I/O Unused PARA DATA(3)/CAPTURE IN0
10 PIO3(4) IR REMOCON I/O PIO3(4) PARA DATA(4)/CAPTURE IN1 UART1 RTS(RTS1)
11 PIO3(5) I/O Unused PARA DATA(5)/CAPTURE IN2 UART2 RTS(RTS2)
12 PIO3(6) I/O Unused
PARA DATA(6)/UART1 CTS
(CTS1)
COMP OUT1
1. MPEG: STI5519