Sharp MD-MT80W(S), Service Manual

Page: 46 / 56

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MD-MT80W/90W/90/90C
Pin No. Terminal Name
Function
1 Vcc Power supply (2.6V)
2 I/O1 Data input/data output
3 I/O2 Data input/data output
4 WE Write enable
5 RAS Low address strobe
6* NC Not connected
7 A10 Address input
8-11 A0-A3 Address input
12 Vcc Power supply (2.6V)
13 GND Ground (0V)
14-19 A4-A9 Address input
20 OE Output enable
21 CAS Column address strobe
22 I/O3 Data input/data output
23 I/O4 Data input/data output
24 GND Ground (0V)
IC202 RH-iX2735AFZZ: 16M Bit D-RAM (IX2735AF)
IC601 VHi-1 :PWM Driver (LV8018W) (2/2)
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
1
2
3
4
5
6
7
8
9
10
11
12
35
34
33
32
31
30
29
28
27
26
25
VGOFF
36 IN4R
CP4
CP3
CP2
CP1
VCC2
GND
S/S
VBATT
VBATT/2MON
IN2R
LV8018W
MUTE
IN3+
NC
NC
NC
VG
VCC1
IN3–
NC
NC
NC
MUTE1
47 48 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23
IN1R
IN1F
PGND1
OUT1R
BAT1
OUT1F
PGND2
OUT2R
BAT2
OUT2F
PGND3
24
IN2F
PGND6 IN4F OUT4F BAT4 OUT4R PGND5 OUT3F BAT3 OUT3R PGND4 NC NC