Read Sharp WQ-CD60H (serv.man2) Service Manual online
WQ-CD60H
FUNCTION TABLE OF IC
IC201 9BW03301042Q23 (CXP1042):Microcomputer
Pin No.
Function
Terminal Name Port Name Input/Output
E
– 25 –
1
PY0
XLT
Output
Latch output
2
PY1
MODE
Output
Setting scan ouput signal for microcomputer operation mode
3
PY2
FOK
Input
Inputs focus condition
4
PY3
SCOR
Input
SCOR input
5
PX0
SQCK/CLK
Output
SUB-Q reading clock output; 8-bit data clock output
6
PX1
DATA
Output
8-bit data output
7
PX2
SENSE
Input
Sense input (monitor for different systems)
8
PX3
SUBQ
Input
SUB-Q code input port
9
PD0
GFS
Input
Monitors disc state
10*
PD1
SYNC IN
Input
Used to start the CD synchronously with external equipment (cassette deck, etc).
Starts at falling edge
Starts at falling edge
11*
PD2
Disc IN/
Input
Switch to "L" when tray enters unit in deck mode, or when lid is closed in portable
OPEN
mode
12*
PD3
Disc OUT/
Input
Switch to "L" when tray is open in deck mode, and when there are no batteries in
Batt-E
portable mode
13-16
PC0-PC3
KI0-KI3
Input
Key-scan input port; reads the remote control custom code on reset or startup
and setting state of the microcomputer operation mede
and setting state of the microcomputer operation mede
17
PB0
MUTG
Output
Turns mute on when mute signal is "H"; turned on when unit is opened or stopped
18*
PB1
MUT2
Output
Turns mute on when "L", turned on when unit is opened, stopped, paused or
accessed
accessed
19*
PB2
UNILOAD/
Input/
In deck mode, output to tray loading motor; in portable mode, ouput to battery
Batt-W
Output
warning display
20
PB3
LOAD
Input/
In deck mode, indicates tray loading motor operation; on "L" detection immediately
/DECK-PT
Output
after reset, performs portable mode branching
21-24
PA0-PA3
KS0-KS3
Output
Key scan output signal
(22*,24*)
25
VSS
VSS
—
Connect to GND
26
N.C.
NC
—
Do not connect to anything
27*-30*
PE3-0
RS3-0
Output
RMC customer code scan signal
31*
SEG19
—
Unused (do not connect to anything)
32-50
SEG18-0
SEG18-0
Output
Connect to LCD (refer to LCD example)
(32*, 35*
37*~45*)
37*~45*)
51-54
COM3-0
COM3-0
Output
Connect to LCD (refer to LCD example)
55-57
VLC1-3
—
LCD bias power supply
58
VDD
VDD
—
VDD
59
VL
Output
LCD bias power supply
60
XTAL
XTAL
—
Connect to a 2MHz oscllator
61
EXTAL
EXTAL
Input
Connect to a 2MHz oscllator
62
RST
Reset
Input/Output
Connect reset
63*
WP
Input
Not used (connect to VSS or VDD)
64*
INT1
RMC
Input
Connect to remote control input and remote control module
(Mentioned here after with Pin No/Function code)
The expansion port o the CXD2507A/2508A is used to detect the LD on/off output, limit switch input and tray open/close input.
The expansion port o the CXD2507A/2508A is used to detect the LD on/off output, limit switch input and tray open/close input.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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