Circuit Diagram; Mcu Pwb - Sharp AR-168N Service Manual

[14]CIRCUIT DIAGRAM

1. MCU PWB

MCU PWB (CPU section)
When IC1 is,
R4(*3)
R3(*1)
4
R7(*4)
R2(*2)
C3(*5)
C1(*6)
*R2,R3,C1, and C3 are tentative
3
(8-A2) /ES_PAGE
(13-B2) MSU_ST1
2
Reset IC
VCC3
VCC3
C24
0.1u
R18
11kF
IC4
1
NC NC
2
IN VCC
3
NC OUT
4
GND
R20
10kF
M51957BFP
1
A
mounted NOT mounted
OPEN 0J
OPEN 680J
22J OPEN
0J OPEN
22pF 15pF
22pF 15pF
(13-B2)
VCC3
(5-E3) RTH
(4-D4) (SIN1)
(4-D4) (SIN2)
(4-D4) (SIN3)
(4-D4) (KEYIN)
(2-D2) /SCANSP
(2-E3) /SCANST
(2-E3) /TRANSST
(5-B2) PMCLK
(4-C2) SPFMT3
(4-C3) SPFMT2/MIRCNT
(4-C3) SPFMT1
(4-C3) SPFMT0
(4-C3) PSL
/CS3
/CS2
/CS1
/CS0
VCC3
R19
3.3kJ
8
7
6
5
Cd
C22 C23
0.1u OPEN
R21 33J
RESETOUT1
R22 C25
10kJ 47p
A
AR-168N/168L CIRCUIT DIAGRAM 14 - 1
B
VCC3
Spreading Range :
+/- 1.25%
R1
OPEN IC1
R2
8 1
7 VDD Xin
2
VCC3 6 SR0 Xout
3
5 MODOUT FS0
4
SSon Vss
C2
0.1u
P2010/PLL701-01
R5 R6
0J 0J
/PRINTST
/PRINTST
(2-E3)
R8
RD
(3-A2) (2-C1) /RD
R9
HWR
(3-A2) (4-A2) /HWR
R10
LWR
(2-C1) /LWR
(4-C2) SELIN3
SELIN2
(4-C2)
(4-C2) SELIN1
ESS_TS
(8-A3) ESS_TS
ES_CMD
(8-A3) ES_CMD
/ESS_RDY
(8-A2) /ESS_RDY
/ESC_RDY
(8-A2) /ESC_RDY
IC2
103
104
105
106
107
108
109
110
111
C386 112
OPEN 113
R337 114
/SCANSP 33J 115
/SCANST 116
/TRANSST 117
118
SPFMT3 119
SPFMT2 120
SPFMT1 121
SPFMT0 122
123
124
125
126
127
128
BR110
5 4 /CS3#
6 3 /CS2#
7 2 /CS1#
8 1 /CS0#
33J
/RESET0 (2-C4)
(8-A1) (9-B2)
/ASIC_RST (2-D1)
B
C1
*6
*2 R3 *1
X1
HC-49U/S
19.6608MHz
R4 *3
C3 *5
R7 *4
C4
12p
33J
33J
100J
AVcc
Vref
P40/AN0
P41/AN1
P42/AN2
P43/AN3
P44/AN4
P45/AN5
P46/AN6/DA0
P47/AN7/DA1
AVss
Vss
P17/PO15/TIOCB2/TCLKD
HD6412321VF25(H8S/2321)
P16/PO14/TIOCA2
P15/PO13/TIOCB1/TCLKC
P14/PO12/TIOCA1
P13/PO11/TIOCD0/TCLKB
P12/PO10/TIOCC0/TCLKA
P11/PO9/TIOCB0/DACK1
P10/PO8/TIOCA0/DACK0
MD0
MD1
MD2
PG0/CAS
PG1/CS3
PG2/CS2
C
P35/
P34/
P33/
P32/
P31
P30/
PD7
PD6
PD5
PD4
PD
PD2
PD
PD
PE
PE
PE
PE
PE
PE
P
PE
C