Kenwood DV-605, Руководство по обслуживанию

Страница: 7 / 24

DV-605/DVF-R5060-S
7
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Pin Description
192
PIO0(6) SLIDER SENSOR
I/O Detection port of slider sensor for DVD mechanism.
OPEN/CLOSE (DRAWER POSITION )
193
PIO0(7) SLIDER IN
I/O Control port of slider (IN) for DVD mechanism.
(DRAWER CCW/CTRL)
194 PIO1(0) SDA I/O SSCO Data (MTSR out / MRST in)
195 PIO1(1) SCL I/O SSCO Clock
196
PIO1(2) SLIDER OUT
I/O Control port of slider (OUT) for DVD mechanism.
(DRAWER CW CTRL)
197 PIO1(3) TXD(JIG) I/O UART2 TXD
200 PIO1(4) RXD(JIG) I/O UART2 RXD
201 PIO1(5) FRONT TXDI I/O UART1 TXD
202 TRIGGER IN I/O Trigger input from JIG.
203 TRIGGER OUT I/O Trigger output from JIG.
204 PIO2(0) VIDEO MUTE I/O Video mute control.
205 PIO2(1) FRONT RXD I/O UART1 RXD
206 PIO2(2) AUDIO MUTE O Audio mute control.
207 PIO2(3) DAC LAT12S OUT O DAC latch output.
208 PIO2(4) DAC SCKDSD OUT O DAC system clock output.
Power supply
4,47,81,107
VDD3 3 - 3.3V Power supply.
136,159,184
14,37,64,94
119,149,171 VDD2 5 - 2.5V Power supply.
198
5,15,38,50,65
83,96,108,121
VSS - GND
137,150,160
172,185,199
Pin No. Pin Name I/O Description
1 VDD3 - Positive supply voltage (+3.3V) for pad ring.
2~8 VIB9~VIB3 I Connected to digital ground.
9~11 GND - Digital ground for core.
12~14 VIB2~VIB0 I Connected to digital ground.
15,16 DOS1, DOS0 I Connected to digital ground.
17~19 TEST2~TEST1 I Connected to digital ground.
20 VDD3 - Positive supply voltage (+3.3V) for pad ring.
21 VDD2 - Digital positive supply voltage (+2.5V) for core.
22 AGND - Analog ground for D/A converter.
23 DAO Y O Y analog output.
24 AVDD2 - Positive supply voltage (+2.5V) for D/A converter.
25 DAO B O Cb analog output.
26 AGND - Analog ground for D/A converter.
27 DAO R O Cr analog output.
28 AVDD2 - Positive supply voltage (+2.5V) for D/A converter.
29 VREF I Reference voltage input for 3DACs.
30 FSADJ I/O Current source for full scale adjustment of 3DACs.
31 AVDD2 - Positive supply voltage (+2.5V) for D/A converter.
32 VG O Compensation pin for gate voltage of DAC current cells.
33 AGND - Analog ground for D/A converter.
34 CLMP O Unused.
35 SPR7/V09 O Unused.
2. Pin Description of IC's
2-1 Progressive Convert DAC : PM0026A (Main, IC11)