Read Sony CDX-V60 Service Manual online
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7-1.
IC PIN FUNCTION DESCRIPTION
SECTION 7
DIAGRAMS
•
MAIN BOARD IC101 CXP81952-648Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
U REQ O
O
Request (request to send) signal output terminal “L”: request on
Not used in this set (open)
Not used in this set (open)
2
U CD
O
Command data control signal output terminal
“H”: command or status, “L”: data Not used in this set (open)
“H”: command or status, “L”: data Not used in this set (open)
3
U WRITE
O
Write control signal output terminal Not used in this set (open)
4
U READ
O
Read control signal output terminal Not used in this set (open)
5
U CS
O
Chip select signal output terminal Not used in this set (open)
6
U RESET
O
Reset signal output terminal “L”: reset Not used in this set (open)
7
UART7
I/O
8
UART6
I/O
9
UART5
I/O
10
UART4
I/O
Two-way data bus for MPEG audio/video decoder (IC201)
11
UART3
I/O
12
UART2
I/O
13
UART1
I/O
14
UART0
I/O
15
EXT PW
I
Extended unit start-up signal input terminal
“L”: turns the power on Not used in this set (open)
“L”: turns the power on Not used in this set (open)
16
NIL
I
Not used in this set (open)
17
BUSON
I
Inputs the bus on control signal from audio bus inter-face (IC702)
“L”: bus on (used also to reset standby)
“L”: bus on (used also to reset standby)
18
BUCK
I
Inputs the backup power detection signal (used also to reset standby)
19
EECLK
O
Outputs the clock signal to EEPROM (IC103)
20
EEDATA
I/O
Two-way data bus for EEPROM (IC103)
21
MAG. SW
I
Inputs the magazine sensor (SW501) detection signal
“H”: magazine is not present, "L": magazine is present (used also to reset standby)
“H”: magazine is not present, "L": magazine is present (used also to reset standby)
22
EJECTKEY
I
Inputs the eject switch (SW11) detection signal
“L” is input while the switch is pressed (used also to reset standby)
“L” is input while the switch is pressed (used also to reset standby)
23
APC
O
Outputs the laser diode on/off control signal to RF amplifier (IC11) “L”: on
24
SCLK
O
Outputs the SENS serial data reading clock for CXD2515Q (IC12)
25
VD R/W
O
Outputs the write/read selection signal to MPEG audio/video decoder (IC201)
“H”: read mode, “L”: write mode
“H”: read mode, “L”: write mode
26
AMUTE
O
Outputs the audio mute on/off control signal “H”: mute on
27
SUBQ
I
Inputs the subcode Q data signal from CXD2515Q (IC12)
28
PROGRAM
I
Not used in this set (fixed at “H”)
29
SINGLE
I
Input single disc/multiple discs mode setting signal
“L”: single disc mode (fixed at “H” in this set)
“L”: single disc mode (fixed at “H” in this set)
30
TRK
I
Inputs tracking servo on/off setting signal “L”: off (fixed at "H" in this set)
31
ELVR
O
Outputs the reverse direction control signal to elevator motor drive (IC18) “H”: active
32
ELVF
O
Outputs the forward direction control signal to elevator motor drive (IC18) “H”: active
33
CHKR
O
Outputs the reverse direction control signal to chucking motor drive (IC17) “H”: active
34
CHKF
O
Outputs the forward direction control signal to chucking motor drive (IC17) “H”: active
35
CDXLT
O
Outputs the serial latch signal to CXD2515Q (IC12)
36
CDDATA
O
Outputs the serial data signal to CXD2515Q (IC12)
37
CDCLK
O
Outputs the serial data transfer clock to CXD2515Q (IC12).
38
CDRST
O
Outputs the reset signal to CXD2515Q (IC12) “L”: reset
39
GND
—
Ground terminal
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