Sony DPP-MS300 Service Manual page 61

Pin No. Pin Name
102 MD1/BOOT
103 MD0
104 PLL VCC
105 PLL CAP
106 PLL VSS
107 CK
108 XRES
109 G1
110 BUZZER
111 IO/XMEM
112 VCC
113
SW (V/C)
114
FALT
115
SELECT
116
PERR
117 VSS
118 KEY0
119 KEY1
120 KEY2
121 HEADTMP
122 PPEDG
123 JDET
124 AVSS
125 RMARK0
126 RMARK1
127 AVREF
128 AVCC
129 VSS
130 TIMER RXD
131 TIMER TXD
132 TIMER SCK
133 RA2
134 DA
135 VCC
136 NC
137 BUSY
138 STP1
139 STP2
140 STP3
141 VSS
142 STP4
143 RAS-CNT
144 C-BUSY
I/O
I
Setting terminal for the CPU operational mode (fixed at "H" in this set)
I
Setting terminal for the CPU operational mode (fixed at "L" in this set)
—
Power supply terminal (+5V) (PLL system)
I
Connected to capacitor for the PLL
—
Ground terminal (PLL system)
O System clock signal output to the A/D, D/A converter (IC407) (for INT SG)
System reset signal input from the reset signal generator (IC501) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Card selection signal output for the PC card interface
O
Buzzer drive signal output terminal
O
Card selection signal output for the PC card interface
— Power supply terminal (+5V)
INPUT SELECT switch (S1719) input terminal
I
"L": MEMORY STICK/PC CARD, "H": VIDEO MOTION or VIDEO STILL
O
Data 0 and data 4 output to the centronics parallel port
O
Data 1 and data 5 output to the centronics parallel port
O
Data 2 and data 6 output to the centronics parallel port
— Ground terminal
Key input terminal (A/D input) S1706, 1714, 1715, 1718 (PRINT, SAVE VIDEO ( CARD,
I
MENU, CLEAR ALL C keys input)
Key input terminal (A/D input) S1707, 1708, 1710 to 1713, 1717 (CAPTURE, PICTURE, ÷,
I
¿, ≥, ˘, ENTER keys input)
I Rotary switch (S1701) input for the function select
I
Temperature detect input from the thermal-head (HEAD901)
I
Paper edge detection sensor (PH901) input terminal
I
Paper jamming detection sensor (PH1861) input terminal
— Ground terminal (for A/D converter)
I
Ribbon mark (0) detection sensor (PH902) input terminal
I
Ribbon mark (1) detection sensor (PH903) input terminal
I
Reference voltage (+5V) input terminal (for A/D converter)
—
Power supply terminal (+5V) (for A/D converter)
—
Ground terminal
I
Serial receive data input from the timer (IC1700)
O Serial transmit data output to the timer (IC1700)
O
Serial data transfer clock signal output to the timer (IC1700)
I
Serial receive data input from the external port (normally: pull up)
O
Serial transmit data output to the external port (normally: pull up)
— Power supply terminal (+5V)
—
Not used (open)
O
Data 3 and data 7 output to the centronics parallel port
O
Stepping pulse (1) output for the platen motor (M904)
O
Stepping pulse (2) output for the platen motor (M904)
O
Stepping pulse (3) output for the platen motor (M904)
—
Ground terminal
O Stepping pulse (4) output for the platen motor (M904)
O
Selection signal output of the row address strobe signal
I
Busy signal input from the centronics parallel port
Description
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