A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2A3/4
Main PCB
8
/
9
3-7-24
SELMCP2_
SELMCP1_
PVSYNC_
1
19
2
4
6
8
11
13
15
17
PHSYNC_
RA5
IC16
CN3
–
A11
CN3
–
A9
CN3
–
A10
CN3
–
A1
PVSYNC M2
PHSYNC M2
_MCPSEL M2
L78
_1G
_2G
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
18
R14
R128
R16
L80
L96
L82
L222
L223
L224
L221
16
14
12
9
7
5
3
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
19
1
2
3
4
5
6
7
8
9
IC46
S
_DE
T_R
A7
A6
A5
A4
A3
A2
A1
A0
18
17
16
15
14
13
12
11
AD7S
AD6S
AD5S
AD4S
AD3S
AD2S
AD1S
AD0S
D7S
D6S
D5S
D4S
D3S
D2S
D1S
D0S
R321
R310
R302
R303
L163
XT4
VDD OUT
ST
GND
C187
C188
R320
R319
R318
R317
R316
R315
R314
B7
B6
B5
B4
B3
B2
B1
B0
1
2
3
4
5
6
7
8
VDD
A0
A1
A2
A3
VSS
A4
A5
75
74
73
72
71
70
69
68
VDD
VSS
_PVDBO
_PVPAO
VSS
_PHSYNC
VDD
AMC
9
10
11
12
13
14
15
16
_VTCCS
_IORD
_IOWR
IC47
VDD
D0
D1
D2
VSS
67
66
65
64
63
62
61
60
_PVSYNC
PVSYNC
VSS
_SEL0
_SEL1
VDD
_SEL2
_SEL3
17
18
19
20
21
22
23
24
SMC
SIN
SOT
VSS
D3
D4
VSS
SCK
59
58
57
56
55
54
53
52
_SEL4
_SEL5
_SEL6
VSS
P2
P1
P0
FLDON
25
VDD
26
27
28
29
30
31
32
33
VSS
D5
D6
D7
D5S
D6S
D7S
VSS
VDD
PPST
_LDON
34
35
36
37
38
39
40
41
_LDEN
N.C
XI
XO
VSS
CLK
VSS
42
43
44
_BD
_MSYNC
45
46
47
48
49
MSYNC
PMCLK
VDD
_BD
_FLDEN
_ADJUST
VSS
_LDOUTB
_LDOUT
A
50
VSS
51
VDD
100
99
98
97
96
95
94
93
VSS
TEST3
TEST2
TEST1
VSS
TEST0
P7
VDD
92
91
90
89
88
87
86
85
P6
P5
P4
P3
VSS
_RESET
VSS
_NSCLE
84
83
82
81
80
79
78
77
_SCLE
_NSCDE
_SCDE
VDD
N.C
LSUOUT
VSS
PVCLK
76
VSS
24
23
22
21
16
15
14
13
IC36
VCC
18
L139
C156
C155
R253
GND
D0
D1
D2
D3
D4
D5
D6
D7
19
8
17
5
20
6
1
2
3
4
9
10
11
12
RCK
WCK
Q0
Q1
_RE
_WE
_RRES
_WRES
Q2
Q3
Q4
Q5
Q6
Q7
MCPCLK M2
CN3
–
A12
L76
MCPMREW M2
CN3
–
A14
L73
MCPIDA M2
CN3
–
A16
L71
MCPIDB M2
CN2
–
A11
L187
MCPCLK M1
CN2
–
A12
L185
MCPMREW M1
CN2
–
A14
L182
MCPIDA M1
CN2
–
A16
L180
MCPIDB M1
5 6 7 8
4
4 3
1
1
4
4
3
1
1
4
2
3
2
2
3
2
3
2
1
5
6
7
8
4 3 2 1
8 7 6 5
1 2 3 4
RA65
RA4
RA37
RA38
RA36
1
19
2
4
6
8
11
13
15
17
IC48
CN2
–
A9
CN2
–
A10
CN2
–
A1
PVSYNC M1
PHSYNC M1
_MCPSEL M1
_1G
_2G
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
18
R398
R406
R40
L189
L220
L192
L170
L171
L172
L169
16
14
12
9
7
5
3
G
S
G
S
G
S
G
S
G
R306
R305
G
S
G
S
G
S
4
3
1
2
G
S
5
3
4
1
2B
2C
2
6
1B
1C
2E
1E
TR8
5
3
4
11
10
9
13
12
11
11
10 13
12
8
13
12
IC6
IC5
IC6
IC22
IC2
IC2
SLEEP
F.C SW
_MSYNC
_MSYNC
_BD
_BD
L34
CN7
–
9
CN7
–
7
CN7
–
11
_ADJUST2
_EN
_ADJUST1
L36
L29
CN7
–
4
CN7
–
3
_VD1
–
L30
CN7
–
5
_VD1
+
L12
CN9
–
3
CN7
–
12
L37
CN7
–
10
L35
CN7
–
8
L33
CN7
–
6
L31
CN7
–
1
CN7
–
13
CN1
–
70
CN8
–
5
L26
L19
TR3
CN9
–
2
L11
D1
R106
R107
R108
C90
IC1
C86
C87
R101
R100
L20
IC4
CN9
–
4
L13
R105
R99
R102
R103
G
S
D
START
LSU5 V
READY
CN8
–
3
L18
BD_
+
CN8
–
2
L17
BD_
–
CN8
–
4
CN8
–
1
L16
_VD2
+
L28
CN7
–
2
_VD2
–
L27
L32
R98
C84
C85
L22
1
2B
2C
2
6
1B
1C
2E
1E
TR7
L10
CN9
–
1
CLOCK
G
S
G
S
G
S
G
S
G
S
3
5
6
2
1
7
G
S
G
S
G
S
G
S
S
S
S
G
RA39
RA64
_RES VTC
_RES VTC
R304
R31
1
R312
C190
C183
C184
R294
C185
C186
R300
R307
R301
R308
R309
R298
R297
L161
R299
C189
R313
C191
C192
L159
A0S
A1S
A2S
A3S
D0S
D1S
D2S
D3S
L162
[A0S
–
A5S]
PPST
_LDON
_LDEN
SLEEP_
_RES VTC
[AD0S
–
AD7S]
D4S
A4S
_VTC
_RD S
_RD S
_VTC
_WR S
A5S
RA63
RA35
4 3
1 2
L160
R295
PHSYNC_
PVSYNC_
SELMCP2_
SELMCP1_
R296
R251
R250
S
G
S
1
4
2
3
G
S
G
S
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
1
2
3
4
8
7
6
5
RA40
5 6 7 8
4 3 2 1
4
12
1
7
9
15
16
8
EN
EN
DI1
DI2
DI3
DI4
VCC
GND
2
3
6
5
10
11
14
13
DO1
+
DO1
–
DO2
+
DO2
–
DO3
+
DO3
–
DO4
+
DO4
–
1
2
3
4
Vcc
RC
DI
GND
8
7
6
5
RI
_RI
DO
_DO
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...