Circuit_1.pdf part of Minolta Circuit 1 Circuit_1.pdf, Minolta Copiers Di450 SERVICE Circuit

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Electrical.fm Page 1 Thursday, September 7, 2000 11:08 AM

SYMBOL PART NAME LOCATION GRID SYMBOL PART NAME LOCATION GRID
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CNT1 Total Counter 7-H 6-D PC21 Toner Bottle Home Position Sensor 4~5-B 14-D

A
ELECTRICAL PARTS LAYOUT Suction Unit
PC1
CNT2

FL51
Key Counter (OPTION)

Exposure Lamp
--

17-F
6-D

4~5-H
PC23

PC24
Paper Size Detecting Sensor CDA1

Paper Size Detecting Sensor CDB1
26-F~G

26-G
3-D

3-D

H3 H1 Upper Fusing Roller Heater Lamp 2-A 10~13-J~L PC25 Paper Size Detecting Sensor CDA2 26-G 3-D

H2 Lower Fusing Roller Heater Lamp 2-B 10~13-K~L PC26 Paper Size Detecting Sensor CDB2 26-H 3-D

H3 PC Drum Heater (OPTION) 4~5-A 12~14-A~B PC27 Turnover/Exit Sensor 2-G 2~3-E

M51 Paper Dehumidifying Heater PC29 Upper Right Door Set Sensor 7-F 2-I
R2 H4 26-A 4~5-E
(OPTION)
PC55 M21
B PC54
M1
PWB-IA
HDD Hard Disk Drive (OPTION) 29~30-B~E 5~6-I PC51 Scanner Reference Position Sensor 13-B 6-C

PC Drum Charge/Developing Bias PC52 Original Cover Detecting Sensor 13-C 2-C
PWB-IC HV1
HV
4~5-F~G 5-J
S51 Original Size Detecting Sensor FD1
PC53 15-A 3-C
PC52 INV Inverter Board 17-E~F 4-H (1)
PC51 LA2 Main Erase Lamp 4~5-E 3~5-C~D PC54 Original Size Detecting Sensor FD2 15-A~B 3-C
M8 M9 Original Size Detecting Sensor FD3
M1 Developing Unit Drive Motor 4~5-C 4-C PC55 15-B 3-B~C
(2)
C M6
M2 Fusing Motor 2-C 5~6-I PC56 Original Size Detecting Sensor CD1 15-B~C 3~4-D
PC53 M4
PC23 M3 Polygon Motor 21-H -- Original Size Detecting Sensor CD2
S3 PC57 15-C 4-D
PC24 M5 (2)
PWB-I1 M7 S1 4002M006AC M4 1st Drawer Paper Take-Up Motor 26-A~B 4-C PU1 DC Power Supply Main 31~33-F~H 5~6-J~K
PWB-I2 M5 2nd Drawer Paper Take-Up Motor 26-B 4-C PU2 DC Power Supply Sub 34-H~I 2-D~E
PC21 Upper Vertical Transport/Manual
M6 7-B~C 4-C PWB-A Master Board 10~16-D~I 4~5-I~J
D S22
PC56 PC57
UN1 CNT1 PC12 M13
Feed Motor

PC25 M7 Lower Vertical Transport Motor 7-C 4-D PWB-B Image Processing Board 20~24-B~F 3~5-I
CNT2 PC10
PC9 S21
Main Hopper Unit M8 Transport Roller Motor 7-C 3-C PWB-C Power Supply Board 28~30-E~I 4~5-J~K
PC26
PC13
LA2 M9 Synchronizing Roller Motor 7-D 3~4-C PWB-G AIDC Sensor Board 4~5-D 10-H
PU2 M11 PC11
PC7 M10 Turnover Motor 2-I 6-I~J PWB-I1 Paper Size Detecting Board 1 26~27-H 2-D
PWB-S
E RY1
M11 1st Drawer Lift-Up Motor 26-B 6-E PWB-I2 Paper Size Detecting Board 2 26~27-I 2-D

SL1 M12 2nd Drawer Lift-Up Motor 26-C 6-E PWB-IA CCD Board 17~18-D~E 4-C
M12 Main Hopper Toner Replenishing PWB-IC SCP Board 10~12-A~B 2~3-C
SL3 M13
Motor
4~5-B 14-D~E
H4 PWB-JL LD Drive Board L 19-B~C --
Sub Hopper Toner Replenishing
M14 4~5-C~D 14-H~I
PC27 Motor
PWB-JR LD Drive Board R 20-C~D --
PC8 Power Supply Unit Cooling Fan
4002M001AC M15 13-A 6-J
Motor 2
F S4
4002M003AA
Power Supply Unit Cooling Fan
PWB-JS SOS Sensor Board 20-A --
PC19 SL6 M16 13-A~B 5-J
Motor 1 PWB-M Memory Board (OPTION) 23~24-C~D 4-I
Developing Unit
M17 Suction Fan Motor 7-D 5-I~J PWB-N DC Motor Drive Board -- --
M18 Ventilation Fan Motor 13-B 4~5-G~H PWB-R HDD Power Supply Board (OPTION) 28~29-B 6-I

UN2 M19 PH Cooling Fan Motor 2 18-H 2~3-I PWB-S Tech. Rep. Setting Switches Board 7~8-G~H 4-D~E

G FL51 INV M20 Beam Interval Correction Motor 18-I -- R1 Flickerless Resistor (3) 34-F 6-I
M18 M21 PC Drum Drive Motor 4~5-C 3~4-C R2 Drum Charge Resistor -- 3~4-B
M22 PH Cooling Fan Motor 1 18-I 4-J RY1 Main Relay 32-I 2-E
M23
M23 Fusing Unit Cooling Fan Motor 2-C~D 5-H S1 Power Switch 7-F~G 6-D
HDD M24 Cleaning Web Drive Motor 2-D 6-I S3 Paper Dehumidifying Switch 26-A 13-C

H M51 Scanner Motor 10-A~B 3~4-B S4 Sub Hopper Toner Empty Switch 4~5-E 11-G
PWB-M PWB-G
PWB-B M52 IR Cooling Fan Motor 21-H 3-I S21 Front Door Interlock Switch 4~5-I 4-D

M52 PC1 Synchronizing Roller Sensor 7-A 13-A S22 Upper Left Door Interlock Switch 4-I 2-D
PC2 Transport Roller Sensor 7-A~B 2~3-I~J S51 Size Reset Switch 7-I 5~6-C
M19 M2
M24 PWB-R M14 PC3 1st Drawer Paper Take-Up Sensor 26-C 2-J SL1 Turnover Roller Retraction Solenoid 1~2-H 3-E

I R1 PC4 2nd Drawer Paper Take-Up Sensor 26-C 2-J SL3 Exit/Duplex Switching Solenoid 1~2-E~F 4-E
T1 PC5 Paper Leading Edge Sensor SW1 7-B 2-J
PC29 PC2 SL4 4002M005AB SL4 Separator Finger Solenoid 4~5-D 12-I
PWB-A
SSR1 Fusing Unit PC6 Paper Leading Edge Sensor SW2 7-B 2-J Manual Feed Paper Pick-Up
SL5 SL5 24-I 3-J
Solenoid
TS1 PC7 Turnover Feed Entry Sensor 1~2-H 3-D
SL6 Turnover Route Switching Solenoid 1~2-H 4-F
PC18 PC8 Turnover Feed Jam Sensor 2-G 3-E
M10 TH1 Dehumidifying Heater SSR
SSR1 32-E 6-I
J PC5
M17 PC9 Paper Exit Sensor 2-E 3-D
(OPTION)
Dehumidifying Heater Transformer
T1 33-E 6-I
M22 M15 PC10 1st Drawer Set Sensor 26-D 8-D (OPTION)
PC3 TH1 Upper Fusing Roller Thermistor 2-B 12-J~K
PC11 2nd Drawer Set Sensor 26-D 8-E
PC6 1st Drawer Lift-Up Motor Pulse TH2 Lower Fusing Roller Thermistor 2-B 11-K
PC4 PC12
Sensor
26-D 8-D
PC16 PU1 TS1 Upper Fusing Roller Thermostat 2-A 11-J~K
2nd Drawer Lift-Up Motor Pulse
PC17 HV1 PC13 26-E 8-E
K PC14 M16
Sensor UN1 Control Panel 17~18-A~C 4~6-C~D
PC15 PC14 1st Drawer Paper Lift-Up Sensor 26-E 3-J
UN2 ATDC Sensor 4~5-E 12~13-G~H
PWB-C PC15 2nd Drawer Paper Lift-Up Sensor 26-F 3-K
PC20 4002M015CB 1: Optional for the U.S.A., Canada
H1
PC16 1st Drawer Paper Empty Sensor 26-E~F 3-J 2: Standard for the Other Areas (Except Korea, Taiwan)
TH2
PC17 2nd Drawer Paper Empty Sensor 26-F 3-J 3: 200V Areas Only
H2
L PC18 Manual Feed Paper Empty Sensor 24-I 2-J

PC19 Lower Left Door Set Sensor 7-E~F 3-F
4002M004AB
PC20 Pre-Drive OFF Rear Sensor 7-F 4-K
4002-B301-0A
Connect.fm Page 1 Thursday, September 7, 2000 11:06 AM

CN No. LOCATION GRID CN No. LOCATION GRID
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CN5 12P 32-A 7-I~J CN206 2P 2-H 4-F

A
CONNECTORS LAYOUT Suction Unit CN10
CN11
24P
16P
5-D~E
2~3-A~B
4-I
6-I
CN210
CN211
1P
1P
2-A
2-B
10-J
10-J
CN12 12P 32-B 4-J CN212 1P 2-B 13-L
CN13 7P 32-C 4-K CN215 2P 26-A 6-J
2
CN216 CN14 6P 32-D 4-K CN216 2P 5-A 13-B
CN17 6P 26-E 5-J CN217 4P 2-B 11-I
B
CN119 CN18 6P 26-F 5-J~K CN218 4P 2-B~C 10-K
CN19 4P 8-A~B 5-J CN221 2P 8-H 7-D
CN152
CN20 3P 8-A 5-J CN222 4P 8-I 7-D
CN23
CN21 6P 2-G 6-I
C CN37
CN22 7P 2~3-F 5-I
CN123
CN118 CN23 2P 8-I 6-C
4002M012AB
CN25 3P 26-D 7-D~E
CN113
CN26 3P 32-F 6~7-I
CN221
D Main Hopper Unit
CN27 2P 34-F 7-I
CN222 CN28 3P 26-E 7-E

CN25 CN29 3P 23-I 3-J
CN203 CN30 11P 2~3-E 5-I
CN28
CN31 2P 5-I 7-I
E
CN33 4P 2-H 7-I
CN34 12P 33-A 4-I
CN206
4002M009AA
CN35 12P 33-B 4-I

CN52 CN36 4P 33-C 4-I
4002M007AC
F Developing Unit CN37 3P 5-B 7-C
CN38 5P 20-H 5-J
2 CN40 4P 5-A 5-J
CN42
CN41 3P 5-D 9-G
CN42 2P 5-E 10-F
G
CN44 2P 20-H 4-J
3 CN41 CN45 3P 20-G~H 5-J
CN46 2P 29-B 5-J
CN47 2P 33-E 6-I
H CN114 CN48 2P 33-E 6~7-I
2
CN204 CN50 2P 32-E 4-K
CN124 CN26 CN31
2 CN51 2P 32-E 6-I~J
2 3 2
CN30
CN36
CN35
CN110
CN2012 CN27 CN52 3P 8-E~F 4-F
12 CN10
11 4 2 3 4002M011AB
I 4
12 7 CN11 2 CN33 CN110 4P 2-I 6-I
24 16 2 CN48 Fusing Unit
CN34 CN22 6 CN47 CN217 CN113 2P 5-B 7-C
CN122 3 CN21
3 2 CN115
CN45 CN114 2P 5-C 13-H
CN29
3 4 2 CN51 12
3 CN19 3 CN46 CN5 CN115 3P 13-A 6-I
CN120 4 CN40
3 3 CN20 CN117 4P 8-D 5-J
J CN205 CN44 2 5 CN211
CN38 2 CN215 CN118 3P 13-B 3-C~D
CN17 6 CN210
CN12 12 4 CN117 CN119 3P 17-H 6-B
CN18 6
CN13 7 2 CN218 CN120 4P 17-I 4-J
CN14 6 CN50 CN122 3P 17-I 4-I~J
K CN123 3P 2-C~D 3-C
4002M016CB
CN124 2P 2-D 6-I

CN212 CN152 3P 20-H 5-B~C
Description CN201 2P 2-H 6~7-I
Number of Pin Possible to confirm by removing external cover.
CN203 2P 2-E~F 4-E
L 1 Not possible to confirm by removing external cover.
CN204 2P 5-D 12-H
4002M010AD
CN205 3P 23-I 3-J
4002-B401-0A