Olivetti ECR 8220, Service Manual

Page: 113 / 122

7. CIRCUIT DIAGRAM
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
C
LOVE
R
Electronics Co., Ltd.
306-1 Akeno Obata Ise Mie Japan. Tel. 0596-37-5151 Fax. 0596-52-3825
of
REV.
TITLE. DRAWING.No.
PWB No.
DATE.
DESINR.
TRACR.
APPRO.
2009/05/29
EBC-1006 ECR8200/8220F
Main Board circuit
ECL-0991
a1
7 2
Ayako.K
Takebayashi
ROM_CS#
D6
D2
D1
D0
D4
D5
D3
D7
BUZZER
RD#
WR#
A15
A10
A5
A2
A1
A14
A18
A0
A17
A4
A6
A3 A10
A4
A2
A0
A11
A8
A1
A14
A7
A12
A3
A11
A17
A7
A13
A16
A16
A6
A9
A12
A[0..20]
A13
A9
A8
A15
A5
D4
D3
D6
D5
D7
D2
D1
D0
D[0..7]
C107
15pF
X1
C-002RX_32.768kHz
R160
0
C79
*0.01uF
C76
0.1uF
C78
*0.01uF
C108
15pF
C77
0.1uF
R117 10K
R
109
10K
VBB
VBB
D[0..7]
A[0..20]
nDATA
HCLK
HLATCH#
Note) * mark is un-mounted part.
HVPSW
SHVP
R_SHTH
nDATA
HCLK
HLATCH#
WIND_ON
C
85
100pF
C
87
100pF
C
82
100pF
C
84
100pF
C
86
100pF
C
81
100pF
C
80
100pF
C
83
100pF
SD_CK
SD_DI
BUZZER
HVPSW
RTS1#
RXD1
CTS1#
TXD1
LCD_CS#
VBB
RTS1#
RXD1
SHVP
CTS1#
TXD1
R_SHTH
SD_CK
STB2#
VSD
_
EN
CPU
S- RAM
Pr ogr am FLASH ROM
A18
A16
A2
A15
A0
A4
A8
A17
A9
A11
A6
A12
A1
A14
A7
A10
A13
A3
A5
C88 100pF
C92 100pF
C91 100pF
C89 100pF
C90 100pF
VFD_CS0#
VFD_TXD
VSD_EN
WIND_ON
VBB
C19
0.1uF
R144
*100K
P35/A13
81
P1
3
4
51
P34/A12
82
P5
7
/R
D
Y
52
P33/A11
83
P5
6
/A
L
E
53
P32/A10
84
P
5
5/
HOL
D
54
P31/A9
85
P
5
4/
HOL
DA
55
P124
86
P1
3
3
56
P123
87
Vs
s
57
P122
88
P1
3
2
58
P121
89
Vc
c
2
59
P120
90
P1
3
1
60
Vcc2
91
P1
3
0
61
P30/A8
92
P
5
3
/BCL
K
62
Vss
93
P5
2
/R
D
63
P27/A7
94
P5
1
/B
H
E
64
P26/A6
95
P5
0
/W
R
65
P25/A5
96
P1
2
7
66
P24/A4
97
P1
2
6
67
P23/A3
98
P1
2
5
68
P22/A2
99
P4
7
/C
S0
69
P21/A1
100
P4
6
/C
S1
70
P4
5
/C
S2
71
P4
4
/A
2
0
72
P43/A19
73
Vcc2
74
P42/A18
75
Vss
76
P41/A17
77
P40/A16
78
P37/A15
79
P36/A14
80
P76
31
P75
32
P74/TA2OUT
33
P73
34
P72
35
P71/RXD2
36
P
7
0/
T
XD2
37
P
6
7/
T
XD1
38
Vc
c
1
39
P6
6
/R
X
D
1
40
Vs
s
41
P6
5
/C
L
K
1
42
P6
4
43
P6
3
44
P6
2
45
P6
1
46
P6
0
47
P1
3
7
48
P1
3
6
49
P1
3
5
50
P96/TXD4
1
P95
2
P94/RTS4
3
P93/DA0
4
P92/TXD3
5
P91/RXD3
6
P90/CLK3
7
P146
8
P145
9
P144
10
P143
11
P143
12
P141
13
P140
14
BYTE
15
CNVcc
16
P87/XCIN
17
P86/XCOUT
18
RESET
19
XOUT
20
Vss
21
XIN
22
Vcc1
23
P85/NMI
24
P84
25
P83
26
P82/INT0
27
P81
28
P80/TA4OUT
29
P77
30
P20/A0
101
P17/D15
102
P16/D14
103
P15/D13
104
P14/D12
105
P13/D11
106
P12/D10
107
P11/D9
108
P1
0
/D
8
10
9
P0
7
/D
7
11
0
P0
6
/D
6
11
1
P0
5
/D
5
11
2
P0
4
/D
4
11
3
P1
1
4
11
4
P1
1
3
11
5
P1
1
2
11
6
P1
1
1
/I
SC
L
K
1
11
7
P1
1
0
/I
ST
X
D
1
11
8
P0
3
/D
3
11
9
P0
2
/D
2
12
0
P0
1
/D
1
12
1
P0
0
/D
0
12
2
P1
5
7
12
3
P1
5
6
12
4
P1
5
5
12
5
P1
5
4
12
6
P1
5
3
12
7
P1
5
2
12
8
P1
5
1
/I
SC
L
K
0
12
9
Vss
13
0
P1
5
0
/I
ST
X
D
0
13
1
Vc
c
1
13
2
P
1
0
7
/AN7
13
3
P
1
0
6
/AN6
13
4
P
1
0
5
/AN5
13
5
P
1
0
4
/AN4
13
6
P
1
0
3
/AN3
13
7
P
1
0
2
/AN2
13
8
P
1
0
1
/AN1
13
9
AV
ss
14
0
P
1
0
0
/AN0
14
1
VR
E
F
14
2
AV
c
c
14
3
P
9
7
/R
XD4
14
4
U1
M30842MC-054GP U0
RESET#
IO
2
G
IO
1
CR1
CSTCE9M83GXX-R0
C109
0.01uF
R5
8
3
3
R5
9
3
3
R6
0
3
3
R6
1
3
3
R6
2
3
3
R6
3
3
3
R6
4
3
3
R6
5
3
3
R
110
10K
R
111
10K
R
112
10K
R
113
10K
R
114
10K
R
115
10K
R
116
10K
SD_CARD
SD_WP
SD_CS#
KS8
KS9
KS10
KS11
KS12
KS7 KS1
4
KS1
3
R_HDUP
STB1#
CTL_RTN
KR3
KR2
KR1
KR0
R94 10K
R93 10K
A18
RD#
WR#
RAMCS#
C73
*100pF
PF#
LCD_RST#
BKL_ON
RTS2#
CTS2#
RXD2
TXD2
R
96
10K
R
97
10K
KS[0..14]
VFD_TXD
VFD_CLK
RESET#
DR
W_ON
PH4
PH3
PH2
PH1
PH4
PH3
PH2
PH1
DRW
_
O
N
R_PEND
R_PEND
SD_DO
C18
0.1uF
C16
0.1uF
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
3
A15
31
A16
2
CE
22
A17/CE2
30
WE
29
OE
24
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
VCC
32
GND
16
A18/A17
1
U3
BS62LV4006SCP-70
+
EC2
10uF_16V C
53
*1000pF
C5
4
0
.1
u
F
C113
*0.01uF
STB1# CTL_RTN
PF#
FRDY
C110
0.01uF
LCD_RST#
BKL_ON
RTS2#
CTS2#
RXD2
TXD2
SD_DO
SD_DI
STB2#
VFD_CLK
VFD_CS0#
VBB
KS6 KS5 KS4 KS3 KS2 KS1 KS0
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
CE
26
A17
17
WE
11
OE
28
D0
29
D1
31
D2
33
D3
35
D4
38
D5
40
D6
42
D7
44
VCC
37
VSS
46
D15/A-1
45
D8
30
D9
32
D10
34
D11
36
D12
39
D13
41
D14
43
VSS
27
RESET
12
RY/BY
15
BYTE
47
NC
13
NC
14
NC
9
NC
10
A18
16
U2
S29AL004D70TFI010
A19
A10
A0
A6
A3
A4
A2
A11
A8
A1
A14
A7
A12
A13
A16
A9
A15
A5
A17
A18
A19
WR#
RD#
ROM_CS#
RESET#
D6
D2
D1
D0
D4
D5
D3
D7
R92
10K
VBB
FRDY
R95
10K
C17
0.1uF
VBB
LCD_CS#
KS[0..14]
SD_CARD
SD_WP
SD_CS#
R_HDUP
C112
*0.01uF
C111
*0.01uF
C96 100pF
C95 100pF
C93 100pF
C94 100pF
C100 100pF
C99 100pF
C97 100pF
C98 100pF
C104 100pF
C103 100pF
C101 100pF
C102 100pF
C105 100pF
C106 100pF
C70
*100pF
TP1
BC
L
K
R161 *10K
R162 *10K
R163 *10K
R164 *10K
R147 *10K
+
EC4
10uF_16V
VBB
B
CR_
O
N
BC
R
_
O
N + EC3
10uF_16V
R
118
10K
R
119
10K
R
165
*10K
R
166
*10K
R
167
*10K
VBB
C
71
*
10
0p
f
C
72
*
10
0p
F
R
1
53
*1
0K
R
1
54
*1
0K
R146 *10K
R145 *10K
R
15
7
*10K
R1
5
8
*
1
0
K
KR4
KR5
KR[0..5]
KR[0..5]
R
15
6
*10K
R
15
5
*10K
VCC3
R148 *10K
WR#
RD#
TXD3
TXD3
RXD3
RXD3
CTS3#
CTS3#
RTS3#
RTS3#
IF_SEL
IF_SEL
Service Manual 113