Service manual

92
HCD-FR10W
DMB08 BOARD IC301 CXP973064-245R (MECHANISH CONTROLLER)
Pin No. Pin Name I/O Description
1 EEP SO O Not used
2 SDEN O Serial data enable signal output to DVD/CD RF amplifier
3 DOCTRL/ISBTEST O
Digital out on/off control signal output to the digital signal processor
“L”: digital out off, “H”: digital out on
4 XRST DSD O Reset signal output to the DSD decoder “L”: reset
5 EEP SI I/O Two-way data bus with the EEPROM
6 EEP RDY I EEPROM ready signal input from the DVD decoder
7 FCS JMP 1 O Focus jump 1 signal output to the motor/coil driver
8 FCS JMP 2 O Focus jump 2 signal output to the motor/coil driver
9 SENS CD I Internal status (SENSE) signal input from the digital signal processor
10 CDSP2 O Clock selection signal output to the digital signal processor
11 CDSP4 — Not used
12 XCS DVD O Chip select signal output to the DVD decoder
13 VSS — Ground terminal (digital system)
14 to 21 D0 to D7 I/O Two-way data bus with the DVD decoder
22 INIT0 DVD I Interrupt signal input from the DVD decoder
23 INIT1 DVD I Interrupt signal input from the DVD decoder
24 SCK DSD O Serial data transfer clock signal output to the DSD decoder
25 XRST DVD O Reset signal output to the DVD decoder “L”: reset
26 SCOR I Subcode sync (S0+S1) detection signal input from the digital signal processor
27 LAT CD O Serial data latch pulse signal output to the digital signal processor
28 LD ON O
Laser diode on/off control signal output to the DVD/CD RF amplifier
“L”: laser diode off, “H”: laser diode on
29 MIRR I Mirror signal input from the digital signal processor
30 COUT CD I Numbers of track counted signal input from the digital signal processor
31 INLIM I
Detection signal input from limit in switch The optical pick-up is inner position
when “H”
32 CS ZIVA O Chip select signal output to the DVD system processor
33 SI ZIVA I Serial data input from the DVD system processor
34 SO ZIVA O Serial data output to the DVD system processor
35 SCK ZIVA O Serial data transfer clock signal output to the DVD system processor
36 DRVIRQ O Interrupt request signal output to the DVD system processor
37 DRVRDY O Ready signal output to the DVD system processor
38 RST I System reset signal input from the DVD system processor “L”: reset
39 VSS — Ground terminal (digital system)
40 XTAL I System clock input terminal (20 MHz)
41 EXTAL O System clock output terminal (20 MHz)
42 VDD — Power supply terminal (+3.3V) (digital system)
43, 44 SLED A, SLED B O Sled motor drive signal output
45 JIT OFFSET O Output terminal for offset adjustment of APEO (<z/. pin of DVD decoder)
46 SDOUT DSD O Serial data output to the DSD decoder
47 SDIN DSD I Serial data input from the DSD decoder
48 READY DSD I Ready signal input from the DSD decoder “L”: ready
49 DATA CD O Serial data output to the digital signal processor
50 CLOK CD O Serial data transfer clock signal output to the digital signal processor
51 XMSLAT O Serial data latch pulse signal output to the DSD decoder
52 SQSO I Subcode Q data input from the digital signal processor
http://www.xiaoyu163.com
http://www.xiaoyu163.com