Sony MXD-D5C Service Manual page 85

Pin No. Pin Name
31 NC
32 XINT
33 NC
34 XLET
35 WRPWR
36 I2CCLK
37 I2CDAT
38 SWDT
39 VCC
40 SRDT
41 VSS
42 SCLK
43 REC-SW
44 TX0
45 RX0
46 CLK0
47 DIG-RST
48 SENS
49 PLAY-SW
50 XLATCH
51 OUT-SW
52
NC
53
NC
54
NC
55 NC
56 MNT2 (XBUSY)
57 VSS
58 MNT1 (SHOCK)
59 VCC
60 EEP-WP
61 SDA
62
NC
63 OE
64
BHE
65 WE
66 SCL
67 REFLECT SW
68 PROTECT SW
69 CS0
70 CS1
71. 72 NC
73 A19
I/O
O Not used (open)
I Interrupt status input from the CXD2662R (IC151)
O Not used (open)
O Not used (open)
Laser power select signal output to the CXD2662R (IC151) and HF module switch circuit
O
"L": playback mode, "H": recording mode
Communication data reading clock signal output or transfer clock signal input with the CD
I/O
mechanism controller (IC800)
I/O
Communication data bus with the CD mechanism controller (IC800)
O
Writing data output to the CXD2662R (IC151)
— Power supply terminal (+3.5V)
I
Reading data input from the CXD2662R (IC151)
— Ground terminal
O
Serial clock signal output to the CXD2662R (IC151)
I Detection input from the recording position detect switch (S105) "L" active
O Serial data output terminal Not used (fixed at "L")
I Serial data input terminal Not used (fixed at "H")
O Serial clock signal output terminal Not used (open)
O
Reset signal output to the CXD2662R (IC151) and BH6511FS (IC152) "L": reset
I Internal status (SENSE) input from the CXD2662R (IC151)
I
Detection input from the playback position detect switch (S104) "L" active
O Serial data latch pulse signal output to the CXD2662R (IC151)
Detection input from the loading-out detect switch (S103)
I
"L" at a load-out position, others: "H"
O Not used (fixed at "H")
O Not used (open)
O Not used (fixed at "H")
O Not used (open)
I
Busy signal input from the CXD2662R (IC151)
— Ground terminal
I
Track jump detection signal input from the CXD2662R (IC151)
— Power supply terminal (+3.5V)
O
Writing protect signal output to the EEPROM (IC195)
I/O
Two-way data bus with the EEPROM (IC195)
O Not used (open)
O
Data reading strobe signal output to the flash ROM (IC802)
O Not used (open)
O
Writing enable signal output to the flash ROM (IC802) "L" active
O Clock signal output to the EEPROM (IC195)
Detection input from the disc reflection rate detect switch (S102-1)
I
"L": high reflection rate disc, "H": low reflection rate disc
I
Rec-proof claw detect input from the protect detect switch (S102-2) "H": write protect
O
Chip select signal output to the flash ROM (IC802)
O
Not used (open)
O Not used (open)
O
Address signal output to the flash ROM (IC802)
Description
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