Casio UP-370 Service Manual page 19

1 2
A
VCC3 VCC
CN200
1
2
3
4
5
LTXD
6
LDTR#
7
LRXD
8
LDSR#
9
10
11
12
13
14
15
SA0
16
SA1
17
SA2
18
SA3
19
SA4
20
SA5
21
SA6
22
23
SD0
24
SD1
25
SD2
26
SD3
27
SD4
28
SD5
29
SD6
30
SD7
31
SD8
32
SD9
33
SD10
B 34 VCC3
SD11
35
SD12
36
SD13
37
SD14
38
SD15
39
40
TX24-40R-LT-H1E
VCC3
*L200
*C216 *C209
C
VCC3
+ C231
22uF/10V C210
10uF
D
1 2
3
*C205
*R207
*Y 201
*R200
*C206
*R209
*R300
VCC3A 1
VCC3A3
2
GND3A3
3
TPI+
4
TPI- SA5,FIFO_SEL
VCC18A 5
VCC18A
6
TPO+
7
TPO-
8
GND18A
VCC18 9
V18F
10
VCC3R3
11
*C207 *C212
GND3R3
12
TEST2
13
TEST1
14
I_LK/ACT
15
I_SPEED
16
I_FULL/COL
VCC3
*C208 *C213
*R205
TP
VCC3
*R204
VCC3
*R201
*C224
*R202
*U201
1
CS
2
SK
3
DI
*R206
4
DO
*C217 *C219
VCC18
*C218 *C220 *C221 *C222 *C223
VCC18
*L205
*C226 *C211 *C227 *C228 *C229
3
4 5
*U201
48 SA2
SA2
47 SA3
SA3
46 SA4
SA4 *R210 *R211 *R212 *R213
45 SA5
44 VCC3
VCC3IO
43 VCC18
VCCK
42 SD0
SD0
41 SD1
SD1
40 SD2
SD2
39 SD3
*C200 C201
SD3
38 SD4
0.1uF
SD4
37 SD5
SD5
36 SD6
SD6
35 SD7
SD7
34 SD8
SD8
33 SD9
SD9
VCC3
8
VCC
7
NC
*C225
*R203
6
NC
5
GND
U202
LTXD 11
T1IN T1OUT
LDTR# 10
T2IN T2OUT
LRXD 12
R1OUT R1IN
LDSR# 9
R2OUT R2IN
1
C1+ VCC
3
C1- V+
4
C2+ V-
5
C2- GND
MAX2332C PWR
* marks are unmounted parts.
CASIO COMPUTER CO.,LTD.
4 5
– 17 –
6 7
VCC3A
*M G200
1 16
+ +
2 15
CT NC
3 14
- -
4 13
NC1 NC3
5 12
NC2 NC4
6 11
+ +
7 10
CT CT
8 9
- -
*R214 *R215 *R216 *R217
*C231
*C214 *C230
*R208
*C215
14 L201 MPZ2012S 300A
7 L202 MPZ2012S 300A
13 L203 MPZ2012S 300A
8 L204 MPZ2012S 300A
16
VCC3
2
6 + EC200
10uF/16V
15 C200 *C201 *C202 *C203 C204
0.1uF
10 0p F
FB200
BLM31P G500S N1L
Model PWB No.
UP-370 EAL-0951B
6 7
8
A
*CN201
1
2
3
4
5
6
7
8
B
CN202
1
C
6
2
7
3
8
4
9
5
DB9MALE
D
PWB Name
Sub Board Circuit
8