Sony MDS-PC3 M-crew Service Manual page 52

• IC300 M30805SGP (MAIN BOARD)
Pin No. Pin Name
1 DATA(FL)
2 CLK(FL)
3 A1-IN
4 SIRCS
5, 6 NC
7 LED
8 MUTE
9 A/D,D/A RESET
10 A/D, D/A LATCH
11 LD-LOW
12 LDIN
13 LDOUT
14 MOD
15 BYTE
16 CNVSS
17 XIN-T
18 XOUT-T
19 RESET
20 XOUT
21 VSS
22 XIN
23 VCC
24 NMI
25 DQSY
26 PDOWN
27 SQSY
28 K.B-CLK
29 LDON
30 LIMIT-IN
31 A1 OUT
32 XINIT
33 BEEP
34 LRCK1
35 WR PWR
36 IIC CLK
37 IIC DATA
38 SWDT
39 VCC
40 SRDT
41 VSS
42 SCLK
43 REC-SW
44 CLIP DATA
45 CLIP DATA
46 CLIP CLK
47 DIG-RST
48 SENS
49 PLAY-SW
50 XLATCH
51 OUT-SW
52 RDY
53 ALE/RAS
54 HOLD
55 HLDA/ALE
56 XBUSY (MNT2)
57 VSS
52
I/O
O Serial data signal output to the display driver
O Serial clock signal output to the display driver L: Active
I Fixed at H (Pull-up)
I Remote control input
— Not used
O LCD back light ON/lOFF signal output
O Mute signal output
O A/D, D/A (AK4524-TP) reset signal output
O A/D, D/A (AK4524-TP) chip sekect signal output
O Loading motor voltage control output L: High voltage H: Low voltage
I Loading motor control input H: IN
O Loading motor control output H: OUT
O Laser modulation switching signal output L: OFF H: ON
I Data bus changed input (Connected to ground)
— Ground
I Not used
O Not used
I System rest input L : reset
O Main clock output (10MHz)
— Ground
I Main clock input (10MHz)
— Power supply (+3.3V)
I Fixed at H (Pull-up)
I Digital in sync input
I Power down detection input L: Power down
I ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R (Playback system)
I Fixed at H (Pull-up)
O Laser ON/OFF control output H: Laser ON
I Detection input from the limit switch L: Sled limit-In H: Sled limit-Out
O Not used
I Interrupt status input from CXD2662R
O Not used
O Not used
O Write power ON/OFF output L: OFF H: ON
O IIC clock output
I/O IIC data input/output to the CONTROL-I
O Writing data signal output to the serial bus
— Power supply (+3.3V)
I Reading data signal input from the serial bus
— Ground
O Clock signal output to the serial bus
I Detection signal input from the recording position detection switch L: REC
O CLIP serial data output
I CLIP serial data input
O CLIP serial clock output (Not used)
O Digital rest signal output to the CXD2662R and motor driver L: Reset
I Internal status (SENSE) input from the CXD2662R
I Detection signal input from the playback position detection switch L: PLAY
O Latch signal output to the serial bus
I Detection signal input from the loading out detection switch
I Fixed at H (Pull-up)
O Microprocessor mode output (Not used)
I Fixed at H (Pull-up)
O Microprocessor mode output (Not used)
I In the state of executive command from the CXD2662R
— Ground
Function