Sony MDS-JB930 Service Manual page 60

Pin No. Pin Name
78 LDIN
79 LDOUT
80 LD-LOW
81
NC
82
A1OUT
83 MUTE
84 STB
85 COAX/XOPT
86 OPT2/XOPT1
87 DALATCH
88 DARST
89
LED0
90 LED1
91
TIMER
92
SOURCE
93
KEY3
94
KEY2
95
KEY1
96 AVSS
97
KEY0
98 VREF
99 +3.3V
100
MONO/ST
*1 Loading motor (M103) control
Mode
Terminal
LDIN (pin &•)
LDOUT (pin &ª)
60
I/O
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 CONTROL A1 II
O Audio line muting on/off control signal output terminal "L": line muting on
O
Strobe signal output to the power supply circuit "L": standby mode, "H": power on
Optical in 1/2 or coaxial in selection signal output to the digital input selector (IC300)
O
"L": OPT 1/2, "H": COAXIAL
Optical in 1 or optical in 2 selection signal output to the digital input selector (IC300)
O
"L": OPT 1, "H": OPT 2
O Serial data latch pulse signal output to the D/A converter (IC200)
O
Reset signal output to the A/D converter (IC100) and D/A converter (IC200) "L": reset
O LED drive signal output terminal Not used (pull down)
O
LED drive signal output terminal Not used (pull down)
TIMER switch (S751) input terminal (A/D input)
I
"L": PLAY, "H": REC (OFF: center voltage)
I INPUT switch (S741) input terminal (A/D input)
I Key input terminal (A/D input) S731 (PITCH CONTROL key input)
Key input terminal (A/D input) S721 to S724, S732 and S733 (DISPLAY/CHAR, SCROLL,
I
PLAY MODE, I/u, FILTER, TIME keys input)
Key input terminal (A/D input) S711 to S714 and S716 (MENU/NO, YES, PUSH ENTER,
I
EJECT § keys input)
— Ground terminal
I Key input terminal (A/D input) S701 to S706 (REC r, p, ), 0, P, · keys input)
I Reference voltage (+3.3V) input terminal (for A/D converter)
— Power supply terminal (+3.3V) (for analog system )
I
REC MODE switch (S746) input terminal "L": MONO, "H": STEREO
LOADING EJECT
"L" "H"
"H" "L"
Description
BRAKE RUN IDLE
"L" "H"
"L" "H"