Sony MDS-PC1 Service Manual page 68

Pin No. Pin Name
63 NC
64 GND
65 SENS
NMT1 (SHOCK)
66
67 DIG-RST
68 MNT2 (XBUSY)
69 LDON
70 REFLECT
71 XLATCH
72 PROTECT
73 MOD
74 LIMIT-IN
75 WR PWR
76 MNT3 (SLOCK)
77 MNT0 (FOK)
78 SDA
79 SCL
80 SCTX
81 CLOCKSET0
82 CLOCKSET1
83 LED0 (POWER)
84 LED1 (NC)
85 NC
OPT SEL
86
87 CONTROL A1 OUT
88 NC (BEEP SW)
89 SOURCE SW
90 NC
91 TIMER SW
92 NC
93 NC (KEY3)
94,95 KEY 2, KEY 1
96 AVSS
97 KEY0
VREF
98
99 AVCC
100 MONO/ST
I/O
O Not used
— Ground
I Internal status (SENSE) input from the CXD2652AR
I Track jump signal input from the CXD2652AR
O Digital rest signal output to the CXD2652AR and motor driver Reset: "L"
I In the state of executive command from the CXD2652AR
O Laser ON/OFF control output "H": Laser ON
Disk reflection rate detection input from the reflect detection switch
I
Disk with low reflection rate: "H"
O Latch signal output to the serial bus
Recording-protection claw detection input from the protection detection switch
I
Protect: "H"
O Laser modulation switching signal output
Detection input from the limit switch
I
Sled limit-In: "L"
O Write power ON/OFF output
I In the state of spindle srvo lock from the CXD2562AR
Focus OK signal input from the CXD2652AR
I
"H" is input when focus is on
I/O Data signal input/output pin with the backup memory
O Clock signal output to the backup memory
Writing data transmission timing output to the CXD2652AR
O
Shared with the magnetic head ON/OFF output
I Clock destination select pin US, Canadian: "L", Except US, Canadian : "H"
I Clock destination select pin US, Canadian: "H", Except US, Canadian : "L"
O LED control signal output for POWER ON/STANDBY indicator
O
Not used
O
O
Digital input select signal output
O Control signal output to CONTROL A1 OUT terminal
O Not used
I Input source change input (A/D input)
O Not used
I Timer mode change input (A/D input)
O
Not used
O
I Key input pin (A/D input)
— Ground (Analog)
I Key input pin (A/D input)
—
A/D reference voltage (Fixed at "H")
— +3.3V power supply
I Monaural, stereo change input Monaural: "H"
– 83 –
Function