Sony HCD-PX5 Service Manual page 91

QQ
3 7 63 1515 0
Pin No. Pin Name
51
TRAYSENS2
52 OUT-SW
53 IN-SW
54 LOD-POS
55 LOD-NEG
56 CLP POS
57
CLP NEG
58 BVDD
59 BVSS
60 to 72
NC
73
FUN
74 AVDD
75 AVSS
76
AVREF
77 to 80
KEY0 to KEY3
81 to 83 SEL0 to SEL2
84
TEL
TE
L 13942296513
85
SEL3
86 DISC-SENS
87 MECHA-JIGU
88
ADJ
89
I2CHELP
90
I2CHELP
91 SCOR
92
NC
93
AC-CUT
94, 95
JOG0, JOG1
96 NC
97
LEDLAT
98
DRVCS
99
DRVRST
100 GND
*1 Loading motor (M721) control
Terminal
LOD NEG (pin tg)
LOD POS (pin tf)
www
.
http://www.xiaoyu163.com
I/O
Detection input from the disc tray 2 height sensor (IC732)
I
"H": disc tray 2 position is chucking position
I
Detection input from the OUT switch (S742) "L": when sub tray is chucking position
Detection input from the IN switch (S741)
I
"L": when sub tray slides out of the chucking position
CD loading motor (M721) control signal output to the motor driver IC (IC701)
O
"L" active *1
CD loading motor (M721) control signal output to the motor driver IC (IC701)
O
"L" active *1
O Motor control signal output to the motor driver IC "L" active Not used (open)
O
Motor control signal output to the motor driver IC "L" active Not used (open)
— Power supply terminal (+5V) (for digital system)
— Ground terminal (for digital system)
O
Not used (open)
O
Fun motor on/off control signal output terminal "H": fun motor on Not used (open)
— Power supply terminal (+5V)
— Ground terminal
I Reference voltage (+5V) input terminal
I Key input terminal (A/D input) Not used (fixed at "H")
I Model destination setting terminal (A/D input)
I Tracking error level detection input terminal Not used (open)
I Model (CD mechanism deck) destination setting terminal (A/D input)
I
Detection input from the disc in detect sensor (IC751) (A/D input) "H": disc in
I Not used (open)
I Setting terminal for the CD test mode "L": CD test mode Normally: fixed at "H"
I
Busy signal input for the IIC bus
I
Busy signal input for the IIC bus
I Subcode sync (S0+S1) detection signal input from the CD block
O Not used (open)
I
Power down detection signal input from the system controller (IC501)
I
Rotary encoder jog dial pulse input terminal Not used (fixed at "L")
O Not used (open)
O Serial data latch pulse output to a FL driver Not used (open)
I
Chip select signal output to a FL driver Not used (open)
I
Reset signal output to a FL driver "L": reset Not used (open)
— Ground terminal
Mode
LOADING
"L"
"H"
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3 6 7 1 3 1 5
EJECT BRAKE
"H" "L"
"L" "L"
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
RUN IDLE
"H"
"H"
m
9 9
9 9
91