Sony XES-Z50 Service Manual page 53

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Pin No. Pin Name
40 NCO
41 NCO
42 NCO
43 NCO
44 NCO
45 KEY ILL
46 XTEST
47 COLOR
48 ANT REM
49 TUNER ON
50 MECHA ON
51 INDASH
52 TESEMOD
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54 PNL SW4
55 PNL SW3
56 PNL SW2
57 PNL SW1
58 PNL M–
59 PNL M+
60 RESET
61 SIRCS
62 BU IN
63 ACC IN
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64 NOSE SW
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I/O
O
O
O Not used (open)
O
O
Output of power on/off control signal for the rotary commander illumination power supply
O
"H": power on
Detection input of the personal computer connection
I "H": When display panel is attached at front panel position
"L": When personal computer communication accessory is attached
O
Selection output of the illumination color Not used (open)
Antenna remote control signal output terminal
O
At the reception with tuner, "H" is output when power antenna starts
O Output of power on/off control signal for the tuner power supply "H": tuner on
Power on/off control signal output of the front panel attach/remove mechanism circuit
O
"H" is output during front panel attachment or removal operation
Input of main unit install position detection
I
"L": Installed in dash board, "H": Installed under seat, etc.
Input terminal for setting test mode
I
This terminal is read at the reset, and if "L", the test mode is forcibly activated
Input of front panel attach/remove operation detection During attach/remove operation, pulses
FG I
of constant interval are input, or in stop status, "L" or "H" is always input
Detection input of the front panel attach/remove detect switches (S1 and S2)
There are two detection switches, and if both are off, "H" is input
I Or, if either one is on, "L" is input
"L": When front panel is attached, "H": When front panel attachment or removal is
completed
Detection input of the front panel position detect switch (S23)
I
"L": When front panel is completely pulled in (completion of attachment)
Detection input of the front panel position detect switch (S22)
I
"L": When front panel is half pulled in
Detection input of the front panel position detect switch (S21)
I
"H": When front panel is at the position where it can be attached or removed
O
Output of control for front panel attach/remove mechanism drive motor (M1) *1
O
Output of control for front panel attach/remove mechanism drive motor (M1) *1
System reset signal input from the reset signal generator (IC504) and reset switch (S51) (or
(S42) when using connector box and display holder)
I
msec. after the power supply rises, "L" is input, then it changes to "H"
Also, when the reset switch (S51) is pressed, "L" is input
I
Sircs signal input from the remote control receiver in display unit
I
Backup power supply detect signal input from the bus interface (IC503) (for SONY bus)
I
Accessory power supply detect signal input terminal "L": accessory on
Signal input from the front panel attach/remove detect switches (S1 and S2) when the front
panel is attached to the control unit
There are two detection switches, and if both are off, "H" is input
I Or, if either one is on, "L" is input
"L": When front panel is attached, "H": When front panel attachment or removal is completed
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Signal is input from the nose detection switch (S41) when connector box and display holder
are used "L" is input when the front panel is attached
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" L " : reset For several hundreds
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