Sony HCD-BC150 Service Manual page 54

HCD-BC150/BC250
Ver 1.3
• DMB07 BOARD IC901 CXP973064-243R (MECHANISM CONTROLLER)
Pin No. Pin Name
1 NO USE
2 SDEN
DOCTRL/
3
ISBTEST
4 XPST 2753
5 SDA EEP
6 MNT1
7 FCS JMP 1
8 FCS JMP 2
9 SENS CD
10 CDSP2
11 CDSP4
12 XCS DVD
13 VSS
14 to 21 D0 to D7
22 INIT0 DVD
23 INIT1 DVD
24 MSCK SAMBA
25 XRST 1882
26 SCOR
27 LAT CD
28 LD ON
29 MIRR
30 COUT CD
31 INLIM
32 CS ZIVA
33 SI ZIVA
34 SO ZIVA
35 SCK ZIVA
36 DRVIRQ
37 DRVRDY
38 RST
39 VSS
40 XTAL
41 EXTAL
42 VDD
43, 44 SLED A, SLED B
45 SCK DSD
46 SDOUT DSD
47 SDIN DSD
48 READY DSD
49 DATA CD
50 CLOK CD
51 XMSLAT
52 SQSO
54
I/O
O Not used
O Serial data enable signal output to DVD/CD RF amplifier
Digital out on/off control signal output to the digital signal processor
O
"L": digital out off, "H": digital out on
O Reset signal output for DSD decoder
I/O Two-way data bus with the EEPROM
I EEPROM ready signal input from the DVD decoder
O Focus jump 1 signal output to the motor/coil driver
O Focus jump 2 signal output to the motor/coil driver
I Internal status (SENSE) signal input from the digital signal processor
O Loading motor drive signal (loading in direction) output terminal
O Loading motor drive signal (loading out direction) output terminal
O Chip select signal output to the DVD decoder
— Ground terminal (digital system)
I/O Two-way data bus with the DVD decoder
I Interrupt signal input from the DVD decoder
I Interrupt signal input from the DVD decoder
O Serial data transfer clock signal output to the DSD decoder
O Reset signal output to the DVD decoder
I Subcode sync (S0+S1) detection signal input from the digital signal processor
O Serial data latch pulse signal output to the digital signal processor
Laser diode on/off control signal output to the DVD/CD RF amplifier
O
"L": laser diode off, "H": laser diode on
I Mirror signal input from the digital signal processor
I Numbers of track counted signal input from the digital signal processor
Detection signal input from limit in switch The optical pick-up is inner position
I
when "H"
O Chip select signal output to the DVD system processor
I Serial data input from the DVD system processor
O Serial data output to the DVD system processor
O Serial data transfer clock signal output to the DVD system processor
O Interrupt request signal output to the DVD system processor
O Ready signal output to the DVD system processor
I System reset signal input from the DVD system processor
— Ground terminal (digital system)
I System clock input terminal (20 MHz)
O System clock output terminal (20 MHz)
— Power supply terminal (+3.3V) (digital system)
O Sled motor drive signal output
O Output terminal for offset adjustment of APEO
O Serial data output to the DSD decoder
I Serial data input from the DSD decoder
I Ready signal input from the DSD decoder
O Serial data output to the digital signal processor
O Serial data transfer clock signal output to the digital signal processor
O Serial data latch pulse signal output to the DSD decoder
I Subcode Q data input from the digital signal processor
Description
"L": reset
"L": reset
"L": ready