Casio PA-2400U Service Manual And Parts List page 33

N o . Pin Name V o l t
60 V5D0 5V
61 V5A0 5V
62 VDD1 5V
63 V5D8 5V
64 V5D1 5V
65 V5D9 5V
66 V5BSYB 5V
67 VSS
68 VSS
69 V5WAITB 5V
70 V5D2 5V
71 V5INPACKB 5V
72 V5D10 5V
73 V5BVD2 5V
74 LEDONB 3V
75 PIRB 3V
76 V5BVD1 5V
77 V5IOIS16B 5V
78 IRTXD 3V
79 CD2B 3V
80 IRRXD 3V
81 VDD2 3V
82 VSS
83 DISPOFFB 3V
84 DISPCSB 3V
85 DISPRSTB 3V
86 DISPWTB 3V
87 IOPORT2 3V
88 PSW0 3V
89 PSW1 3V
90 PSW2 3V
91 PSW3 3V
92 PSW4 3V
93 FLSHRSTB 3V
94 PMUTE 3V
95 PRECB 3V
96 FUNKEYIN7 3V
97 FUNKEYIN6 3V
98 FUNKEYIN5 3V
99 FUNKEYIN4 3V
100 FUNKEYIN3 3V
101 FUNKEYIN2 3V
102 FUNKEYIN1 3V
103 NC
104 AVCC3 Analog
105 AUDIN Analog
106 AUDVRL Analog
107 AUDOUT Analog
108 AUDVRH Analog
109 AVCC2 Analog
110 AGND2 Analog
111 AGND1 Analog
112 AVCC1 Analog
113 TCPIN2 Analog
114 VDETADIN Analog
115 TCPVRL Analog
116 TCPVRH Analog
117 TCPIN1 Analog
118 NC
119 FUNKEYIN0 3V
120 KBOUT8 3V
I n / O u t
I/O Data bus
O Address bus
+5V source
I/O Data bus
I/O Data bus
I/O Data bus
I Busy/Ready signal for PCMCIA CARD
GND
GND
I Wait signal for PCMCIA CARD
I/O Data bus
I Input response
I/O Data bus
I Voltage detect for PCMCIA
O LED signal
O Voltage V5IRDA(3V) control
I Battery Detector
I Write protect
O Infrared output
I Card detect
I Infrared input
+3V source
GND
O LCD off signal
O CE signal for LCD driver
O Reset signal for LCD driner
I Wait signal from LCD driver
I/O Not used
O Touch panel control
O Touch panel control
O Touch panel control
O Touch panel control
O Touch panel control
O Reset signal for Flash
O Audio mute signal
O Power supply control for recording circuit
I Function input
I Function input
I Function input
I Function input
I Function input
I Function input
I Function input
Not used
I +3V source for D/A converter of audio
I Audio signal input for record
I Reference voltage for A/D,D/A converters
O Audio signal output for play
I Reference voltage for A/D,D/A converters
I +3V source for Touch panel
I Ground for Touch panel
I Analog ground
I +3V source for D/A converter of audio
I Analog signal input from Touch panel
I Power detecting signal
I Reference voltage for A/D converter of TP
I Reference voltage for A/D converter of TP
I Analog signal input from Touch panel
Not used
I Function input
O Key common signal
— 30 —
Function To/From
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD
PCMCIA CARD,SP
LCD unit
Q123(Power)
PCMCIA CARD
PCMCIA CARD
IrDA
PCMCIA CARD
IrDA
LCD unit
LCD unit
LCD unit
LCD unit
Touch panel
Touch panel
Touch panel
Touch panel
Touch panel
ROM board
Audio amp
LCD unit
Keyboard
Keyboard
Keyboard
Keyboard
Keyboard
Keyboard
Keyboard
+3V source
LCD unit
Audio amp
+3V source
GND
GND
+3V source
Touch panel
Power supply
Touch panel
Keyboard
Keyboard