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Appendix 4. Main PCB Circuit Diagram (313) 2 I 3 I 4 10 11 12 +SY 031 A +24,1 067316 A (0231103 IR24)103 hl NI J. .9 2 C* -0SF, VPPON [051 ($21 AN78012 OV 02 2501132 +24V 041 R27 183 25A10361C 1 IN OU 3 APP CO2-059 rein Z i RA19 222 "v° SOL na>FANCTL ii>ELCTL HEATON 29 3 , V< 19 0+54/ \ .1. RESETN C01-090 .0. IORDN .08> IOWRN -06. CSRSVN C. -GM DBINTN MA00 ;> MADO > /RESET 4> 621 5> /ION /IDWR .3)/CSDIEIG < /INTDBC I . -t9 .=, 90.00MH2 C36 100: < 5 031 101 Lg: LOCK 33 LOCK - DCLOCK 25 SIN 24 SOOT LED4÷LED4 C. -099 LEDS SOLI -THMSVI 55 OE -0.0 SOL2 34 FAN16V (. - 088) SOL3 36 SOL4 FAN EL ,- FAN24V Cm -800) +24VRE HCMPN -CAC, 843 IMb 6 TP>CHARGE DEVELOP 33 TRANSF in>TRANSR VCLN i >PMA E R20 > PMAB PM8 P4 OP I/F RESET OPCS , . HE AS < RESETN Cm -02p< XCSN -060) IORDN ItOiAW.R.N .07> MAC10:001 44i P6 I/ W 1P63 2 03 C42 f°, 5 49.09MHZ xO R37 000 3 BI VIN ISO TOUT HEATON 59 50 CHARGE DEVELOP TRANSF I 57 TRANSF2 TRANSR VCLN 54 ,SaS MODEL UMCSN 102 X19 TITTTT 1474 RI MTD2003 ------- PM86 0 4> flA0S / (P7) • (1+ - 01G) ESDN--,14 .-611N MIA PHA (. -10F) IN1 OLIT1 AA34((IS MA04 / A2(28 MA03 MA02 / IPPON R47 472 XSENN !n" XINTN REVI00 69 REYI01 1 REVIO2 REVIO3 PMAB pm 66 PHAB Cx -10F> PMB -10F) P880 67 PP1B9 C. -10F> DCMOT I 32 DCMOT2 R36 „ 680 SCLK2 SCLK2 (01-02D) +54/ 045 1 6 3'' MODEL UMCSN f5Y L 3. 2vc,--",,--1 PMAB PP18 PM90 103 040I1 +540 1c28 23 IN2 103 22 N4 OUT2 11 IS OUT3 OUT4 tR291 103 Z4 IF> VmmA 2: YmmB 27 Vref 3 R21 V: A 11 1°;5V\ 4 0+24V C30 39/2206 +24VRET D25 D24 fl"0 is OPIRO)------- KINTN Cm - F, SENTANF RESIST 41 EXVDD)g----- ... LEDR

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Appendix
4.
Main
PCB
Circuit
Diagram
(313)
2
I
3
I
4
10
11
12
A
-a
rein
Zi
C*
-0SF,
VPPON
RA19
222
"v° ,
<L
(t L
<:<
P3
CENTRO
ACK
10
BUSY
1
PE
12
SELECT
13
FLT
INPRIM><32
SELIN
14
ATFEED
STB)
1
DI
I
K2
DI2
3
0I3
DI4
6
MS
K
;
DI6
DI7
nI8
16
OV
:V
:;
24
:0
V
23
VI
/
25
26
OV
27
29
3
,
V<
19
2
(06101
-
6
114YK
76
151
000
000
151
151
4
',
717/
5
'
▪
11
,7
RA20
4
101
3
OV
(0231103
IR24)103
[051
25A10361C
+24
,
1
067316
031
hl
NI
($21
AN78012
1
IN
OU
3
J.
+SY
OV
APP
CO2-059
BUSENN
BUSENN
(01
-
000)
(0
-
06E)
FAN24V
(C25(
(0341
000
BUSDIR
160
BUSDIR
(01-000)
luF
(50V)
2
IC261
104
26
BB
0v0_
21
.
5
:
L
R
E
0
114
I1
00
tR
,DEN.
7
R
4
.,
y
,f
/
,_
1
0
R
,,,
D
o
N
.
,..
0
:
2
R35
000
T
.
MIMEO
CSROMOAN
124
i;
MODEL
CSROI1080
;,
c
129
Pl
till
o
D
o:
2
3
CoSERE
0o
Ho
I,
AN
127
1
,
3
5
:
T
E
G
S
T
T
o
C
o
L
D
K
E
E
C
.
S
0
R
,
S
o
V
5
,
1
"
*z
1
2
CSRSVN
-02
OV
THERM
.
-09E)
4-50
-
71
PMACtIPI
C5I3
XC
P
S
IN
N
158
XCSN
C.
-
01D
C44
R41
(03
7
HCMPI
C.
-
05C)
.9
041
OV
CDCCACKN
Cm
GM
BUSY
OE
-060>
PE
C.
0613,
SLCT
A
-
06M
'
P
74
P
M
IZI
P
N
I
IRASN
!!!
INITN
C.
-059
0
.
A.
--
,
c
PHBCMPN
XRASNG
''„_,
XRASNO
CO24.
FLTN
OE
-060
SELIN
.
-05D)
R92
F102. -08.
HCMP
HCMPI
XRASN1
''
'
XRASNI
CO2
i_
o
HLU
N
SY
0.
0._
0E
034
,
El
DBINTN
RSVINTN
C
A
S
N
M
1
i
,
-.
!!
'
-
'
HCMPN
)02
c
C
A
I
N
NO
i
:3Z
_,,,,,,
,
592_
_10
'
11
65
62
I
C.
OK
-
ND
HCMPN
OPINTN
CASN2
CASN2
(02
-
03A
T
151
CASN3
121
CASN3
CO2-03A0V
4
7,
5
7
P4
OP
I/F
RESET
RESETN
Cm
-02p<
MAC10:001
44i
OPCS
,
XCSN
-060)
P6
I/
W
.
IORDN
<504>
HE
AS
<
I
ti
O
A
W.R.N
.07>
flA0S
/
A3
(
IS
A4(
MA04
/
MA03
A2(
28
MA02
/
13
7
<24
D31
DB
D30
0+54/
RAIB
101
RB6
CSROMOA
CO2-05Mio
CIE
-069
FAN16V
IRASN
(02-0787
r>
<
R46
<I
F602
0131.101396161.1
131069151610
i
.
AVAH,EngErEirsE
<$1.0)
MAC10;001
C33
IIP51
\
MA00
.1.
RESETN
C01-090
.0.
IORDN
.08>
IOWRN
-06.
CSRSVN
C.
-GM
DBINTN
D29
04
523
D28
7
D27
D31
:I:
ZI
D26
D25
fl
"
0
is
D24
OPIRO)-------
KINTN
Cm
-
F
,
<102)
D(31
,001
SENTANF
RESIST
41
ED
BDN
.01>
0(31:007
.03>
EXVDD)g
----- ...
('
-.5F)
LEDR
°eV
<7;
sENsE>ll----xsENN
(6
-
05F)
+5V
6
+sv
E
C50
--/--0*5V
A.
-1101
THERM2
+5V
3
6
104
078
5
5
7::
0V
Is
F24
±
1
079
OV
Cm
-066)
THMSW
FI152
;>
MADO
>
/RESET
4
>
621
5
>
/ION
/IDWR
.3
)/CSDIEIG
<
/INTDBC
1P63
2
.01>
C.
-0SF>
Cm
-080
.07>
CO2-054)
Cm
-02.
.13>
C.
-0ED)
Cm
-10C)
D24
D25
D26
D27
028
D29
D30
(P7)
2
DA24
4
6
DA25
DA26
7
DA27
5
DA2B
3
DA29
DA30
DA3I
152
Dc
,
151
150
Dc2
DC3
149
Dc
,
4
140
147
Dc5
pc
.
146
Dc7
145
pc
.
Ot
-040
STBN
153
STBN
WEN
123
WEN
(02-01A)
o
oEt
FLTN
138
FLTN
Cx
-04C>
SLCT
::!
SLCT
-04C)
PE
-E,FHPE
OE
-04C)
CDCCACKN
COCCACHN
C*
-04.
BUSY
-
129
---eusr
c.
-040>
THMO
THM
I
C.
-04C)
INI
TN
15
03
.,,,
INITN
THM2
,
.
-04C)
SELIN
''''
SELIN
THP13
6";
.
-04C)
HBUSY
I
39
HBUSY
THM4
3
VDO
C.
-0161
RssisT
REGIST1
VON
65
C*
-100
SW
4.
RESIST2
s
AN
SW
SCoET_vKE
64
C.
-100)
PSENS
=
17
7.
EJECT
LED
1
''
4
„
LED
I
C.
-09D>
.
-MO
COVER
;:
COVER
LED2
LED2
Cm
-099
100
-109
TONER
60
TONER
LE.
43
LED3
C.
-099
I
.
-t9
LOCK
33
LOCK
90.00MH2
55
-
DCLOCK
LEDS
-THMSVI
OE
-0.0
LED4÷LED4
C.
-099
C36
.=,
031
SOLI
100:
<
101
Lg:
5
25
SIN
SOL2
34
FAN16V
(.
-
088)
SOL3
36
SOL4
FAN
-
FAN24V
Cm
-800)
24
SOOT
EL
,
81
R03
F273
R02
F102
RBI
F102
ale
BAI0393F
04
0
C74
6
10a
s
03
C42
xO
49.09MHZ
3
R37
000
f°,
5
HEATON
CHARGE
BI
VIN
DEVELOP
ISO
•
(1+
-
01G)
ESDN--,1
4
.-611N
(
C
43
/
(L2(
3.3UH
-016)
XSENN
XSENN
01
5,
010
XINTN
!n
040
"
XINTN
m
El1C)
XVDO
C4S
102
-0203
>IPPON
6
9
REYI01
1
REVIO2
R47
472
I
0
+5V
R84
YCC
F102
+112
NI
OUT1
• •
DUT2---
,
T
i
C73
OV
.0.
COI
-ILA)
Cm
-02G>
000..
-01F,
Cm
-07.
104
-01C)
EIDN
+24V
02
2501132
R27
183
R26
(008)
025
183
MODEL
UMCSN
DI
RD3
.910
D2
RD3.9PB
03
2601132
A
CRI91
B1.19,
74LSI4
74L514
0A4
+24YREP
59
50
TRANSF
I
57
TRANSF2
54
TOUT
TRANSR
SS
VCLN
,
a
MIA
PHA
(.
-10F)
PMAB
66
PHAB
Cx
-10F>
pm
PMB
-10F)
P880
67
PP1B9
C.
-10F>
DCMOT
I
32
REVI00
DCMOT2
R36
„
680
SCLK2
SCLK2
(01-02D)
REVIO3
+54/
ovo
2
+
RIO
5V
X24C04F
TEST
YCC
SCL
4
AG
Al
A2
VSS
A
2
6
Pr
.,EL
4
UMCSN
DIDG23>P_
2
1.
+24VRE
HCMPN
-CAC,
843
I
Mb
6
-05.
SW
fm
-05E)
COVER
CM
-016)
RESIST
-GM
PSENS
.
TONER
P2
ENGINE
FAN
.
-099
D4
125355
(8
-826)
THERM2
46
7
(FANSPEED
+5‘"
T
v
104
2206E
— —
8
+SY
24VRET
6.3V
1000U
6
(0V
vo__.__.__Lic4,<:
0
4
(
24V
+244
0
RI
103
24
3<
.
24v
„<*24VRET
—
(+24VRET
424VRETO
101X5
R17
R8
R12
RIO
RS
,03
,0,
223223
,02,02
4,
tt
2
lItI
o.sy
„
„
ES;2
<
>ii1S2
<
,
22
<
<
2
3
2
3
28
)V"
>LDON
5
<BD
6
>SCANCLK
c
<LOCK
i
>DRIVE
35
>
LED
I
,
R
>LED2
i:
,>LED3
„>LED4
',Z>SOL
na
>FANCTL
ii>ELCTL
THERM
>HEATON
>CHARGE
TP
DEVELOP
33
TRANSF
in
>TRANSR
VCLN
Cm
OS.
LOCK
-06E(
LEDI
R
32
CIE
06E>
LED2
1
,
\A
A/L—.3
Cm
NE)
LED3
513
OK
-06E)
LED4
R14
`
1
C.
-10.
FAN
-
07I.
THERM
04
101
MODEL
UMCSN
045
1
6
3''
MODEL
UMCSN
0A2
2
fi
+24VREIO
MODEL
UMCSN
54
2
FIC114Y.K
i
3
0+24VRET
L
102
X19
E
TITTTT
RI
MTD2003
<>
R20
1474
IN1
OLIT1
f5Y
PMAB
IN2
OUT2
PP18
23
103
OUT3
22
L
3. 2vc,--",,--1
PM90
N4
OUT4
Z
4
IF>
VmmA
<
>103
040I1
YmmB
+54
0
Vref
1c28
V
C
27
V
:
A
''VD
C26]_
C
V:
R
1332
OV
.03>
CO2-040
OE
—020
.04) (02,35.
Cm
—02E>
.09>CO2
-05A>
OE
—02E)
.09
C.
—01F>
OE
—aTo,
conn
,
CO2-05.
Cx
—02E>
.10)
02-040
C.
—02F>
.11)
CO2
-04G>
CO2
-10A>
.
.1.
C01-029
C.
—01F>
21
4
13
LG
+24VRE1
0
PG
NC
NC
NC
C78
T
1
"
NC
NC
0
+5V
Cid,/
11
IS
COVER
RESIST
PSENS
TONER
i
>PMA
>
PMAB
PM8
-------
PM86
2:
3
R21
11
1°;5V\
4
26
R22
1:
25
tR291
103
+24VREP
($191
C
74LSI4
0
4>
0+24V
C30
39/2206
+24VRET
A
<1.
CODE
UK3227000
NAME
B48K272CIR(3/3)
2
3
4
A
10
11
12
V
-
4