Sony MDS-JA20ES Service Manual page 71

Pin No. Pin Name
59 WR-PWR
60 MNT3 (SLOCK)
61 SDA
62 +3.3V
63
NC
64 GND
65 SCTX
66 SCL
67
MNT0 (FOK)
68 LIMIT-IN
69 MOD
70 XLATCH
71 REC/PB
72 TECONT
73 XTSL
74 OPEN
75 PLAY1
76 REC
77 PLAY2
78 LDIN
79 LDOUT
80 LD-LOW
81
NC
82 A1OUT
83 MUTE
84 STB
*1 Loading motor (M10) control
Mode
Terminal
LDIN (pin &•)
LDOUT (pin &ª)
I/O
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
O
"H": recording mode, "L": playback mode
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
I/O
Two-way data bus with the EEPROM (IC171)
— Power supply terminal (+3.3V)
I Not used (fixed at "L")
— Ground terminal
Recording data output enable signal output to the CXD2654R (IC121) and overwrite head
O
driver (IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
O Clock signal output to the EEPROM (IC171)
Focus OK signal input from the CXD2654R (IC121)
I
"H" is input when focus is on ("L": NG)
Detection input from the sled limit-in detect switch (S101)
I
The optical pick-up is inner position when "L"
Laser modulation select signal output to the HF module switch circuit
Playback power: "H", Stop: "L",
Recording power:
O
O Serial data latch pulse signal output to the CXD2654R (IC121)
I Not used (fixed at "L")
I Not used (fixed at "L")
I Not used (fixed at "L")
I
Detection input from the tray open detect switch (S10) "L": tray open
I
Detection input from the disc chucking-in detect switch (S11)
I
Detection input from the recording position detect switch (S12) "L" active
I Detection input from the play position detect switch (S13) "L" active
O
Motor control signal output to the loading motor driver (IC400) "L" active *1
O Motor control signal output to the loading motor driver (IC400) "L" active *1
Loading motor drive voltage control signal output for the loading motor driver (IC400)
O
"H" active
I Not used (fixed at "L")
O Sircs remote control signal output of the S-LINK CONTROL A1
O
Audio line muting on/off control signal output terminal "L": line muting on
O
Strobe signal output to the power supply circuit "H": power on, "L": standby mode
LOADING EJECT
"L" "H"
"H" "L"
Function
0.5 sec
2 sec
BRAKE RUN IDLE
"L"
"L"
– 85 –
"L" active
"H"
"H"