Fostex FD-4 Service Manual page 49

DISPLAY, ROOT (1/3)
C1
10/16
C3
10/35
R1
W1 (F10 JUMPER)
1 /ATN1
2 RxD1
3 TxD1
4 SCK1
To MAIN 5 /ATN2
6 /RST_DISP
7 DGND
8 D+5
9 A-12
BOADIN 9P
DGND
D+5
C2
0.1
Non_10/16
C4 C5 C6
GND W3 DGND
0.1 Non_JUMPER
0.1A
2 3
Vin -5V
0 Non_0.1
U2 Non_79L05A (-12V)
Vlcd
> R2 100 /ATN1
< R3 100
>
>
<
> R7 100
JOG1
JOG0
C7
R41 R42
10k 10k
470p
DGND
DGND DGND
1
2
3
C10
D+5 4
5
X1
33p R8
6
1M 7
8
C11
8MHz
DGND 9
10
33p
SCAN0 11
SCAN1 12
SCAN2 13
SCAN3 14
SCAN4 15
16
C8
470p
DGND
E101
TP
R4 100
R5 100
R6 100 /ATN2
C9
D+5
470p
DGND
48
PB1/AN1 P21/RXD
47
PB0/AN0 P20/SCK3
46
AVSS P87
45
TEST P86/FTID
U1 44
X_OUT P85/FTIC
43
X_IN P84/FTIB
HD6433642H 42
VSS P83/FTIA
41
OSC_IN P82/FTOB
40
OSC_OUT P81/FTOA
39
/RESET P80/FTCI
38
P90 P77
37
P91 P76/TMOV
36
P92 P75/TMCIV
35
P93 P74/TMRIV
34
P94 P73
33
IRQ0 VCC
LCD
R42_LCD.SCH
DB[0..7]
DB[0..7] DB[0..7]
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
E
E E
R/W
R/W R/W
RS
RS RS
D+5
D+5 D+5
DGND DGND
Vlcd Vlcd
D+5
DGND Vlcd
C12
KEY & LED
0.1 D+5 R42_KEY.sch
D+5 D+5
DGND
DGND DGND
DGND
LED_A0 LED_A0
LED_A1 LED_A1
KEY[0..7]
KEY[0..7] KEY[0..7]
LED_K[0..7]
LED_K[0..7] LED_K[0..7]
SCAN[0..4]
SCAN[0..4] SCAN[0..4]
JOG0 JOG0
JOG1 JOG1