CANON LBP 1760 CIRCUIT DIAGRAM
CIRCUIT
DIAGRAM
REVISION 0
MAY 1998
RY8-8128-000
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
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COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
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PREFACE
These circuit diagrams for the LBP-1760, the duplex unit, the envelope feeder,
and the paper feeder are provided to aid service technicians when ordering PCB
parts.
When major changes are made to the products, a revised version of the circuit
diagrams will be produced. However in other cases, information will be
communicated when necessary by service information.
Canon Inc.
Peripheral Products Quality Planning Div.
Peripheral Products Technical Documentation Dept
5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501, Japan
COPYRIGHT C 1998 CANON INC.
Printed in Japan
Imprime´ au Japon
Use of this manual should be
strictly supervised to avoid disclosure of confidential information.
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
iii
CD 1.
CD 2.
CD 3.
CDD1.
CDF1.
CDE1.
A.
B.
VIDEO CONTROLLER PCB ASS'Y
PAPER SIZE DETECTION PCB ASS'Y
ADAPTER PCB ASS'Y
––DUPLEX UNIT––
DUPLEX DRIVER PCB ASS'Y
––ENVELOPE FEEDER––
ENVELOPE FEEDER PCB ASS'Y
––PAPER FEEDER––
PAPER FEEDER DRIVER PCB ASS'Y
NUMERICAL INDEX
CIRCUIT REVISION CHART
CONTENTS
CD 1-1
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
FIGURE CD 1
VIDEO CONTROLLER PCB ASS'Y (1/3)
3
2
1
CD 1-2
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
FIGURE CD 1
VIDEO CONTROLLER PCB ASS'Y (2/3)
CD 1-3
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
FIGURE CD 1
VIDEO CONTROLLER PCB ASS'Y (3/3)
CD 1-4
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-5
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-6
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-7
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-8
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-9
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-10
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-11
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-12
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-13
SERIAL NUMBER / REMARKSDESCRIPTION
T
Y
Q'
R
A
N
K
PART NUMBER
FIGURE
&
KEY NO.
CD 1 -
RG5-4547-000 1 VIDEO CONTROLLER PCB ASS'Y
1 RG1-3812-000 1 FIRM WARE ROM DIMM PCB ASS'Y
2 RB2-2760-000 1 SPRING, LEAF
3 RH7-8063-000 1 HEATSINK
AL 1 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 2 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 3 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 4 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 5 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 6 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL 7 VC8-3010-337 N 1 CAPACITOR, 330UF, 16V
AL 8 VC8-3010-228 N 1 CAPACITOR, 2200UF, 16V
AL 9 VC8-3010-337 N 1 CAPACITOR, 330UF, 16V
AL10 VC8-2860-226 N 1 CAPACITOR, 22UF, 16V
AL11 VC8-3010-337 N 1 CAPACITOR, 330UF, 16V
C 1 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 2 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 3 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 4 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 5 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 6 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 7 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 8 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 9 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 10 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 11 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 12 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 13 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 14 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 15 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 16 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 17 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 18 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 19 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 20 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 21 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 22 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 23 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 24 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 25 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 26 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 27 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 28 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 29 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 30 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 31 VW4-2234-150 1 CAPACITOR, 15PF, 50V
C 32 VW4-2234-150 1 CAPACITOR, 15PF, 50V
C 33 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 34 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 35 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
SERIAL NUMBER / REMARKSDESCRIPTION
Q'
T
Y
R
A
N
K
PART NUMBER
FIGURE
&
KEY NO.
CD 1 -
C 36 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 37 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 38 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 39 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 40 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 41 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 42 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 43 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 44 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 45 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 46 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 47 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 48 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 49 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 52 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 53 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 54 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 55 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 56 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 57 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 58 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 59 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 60 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 61 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 62 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 63 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 64 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 65 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 66 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 67 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 68 VW4-2635-102 1 CAPACITOR, 1000PF, 50V
C 69 VW4-2234-330 1 CAPACITOR, 33PF, 50V
C 70 VW4-2635-102 1 CAPACITOR, 1000PF, 50V
C 71 VW4-2635-102 1 CAPACITOR, 1000PF, 50V
C 76 VW4-2234-221 1 CAPACITOR, 220PF, 50V
C 77 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 78 VW4-2027-105 1 CAPACITOR, 1UF, 25V
C 79 VW4-2234-221 1 CAPACITOR, 220PF, 50V
C 80 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 81 VW4-2027-104 1 CAPACITOR, 0.1UF, 25V
C 82 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 83 VW4-2234-330 1 CAPACITOR, 33PF, 50V
C 84 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 85 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 86 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 87 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 88 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 89 VW4-2234-220 1 CAPACITOR, 22PF, 50V
C 90 VW4-2234-220 1 CAPACITOR, 22PF, 50V
D 1 WA1-6045-000 1 DIODE, NSQ03A03L
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
CD 1-14
CD 1-15
COPYRIGHT C1998 CANON INC. CANON LBP-1760 REV.0 MAY 1998 PRINTED IN JAPAN [IMPRIME AU JAPON]
SERIAL NUMBER / REMARKSDESCRIPTION
Q'
T
Y
R
A
N
K
PART NUMBER
FIGURE
&
KEY NO.
CD 1 -
D 2 WA1-5111-000 1 DIODE, RB400D
FL 2 WK3-5159-000 1 FILTER, NOIZE, NFM31R00T181
FL 3 WK3-5159-000 1 FILTER, NOIZE, NFM31R00T181
FL 4 WK3-5160-000 1 FILTER, NOISE, BMF300
FL 5 WK3-5159-000 1 FILTER, NOIZE, NFM31R00T181
FL 6 WK3-5159-000 1 FILTER, NOIZE, NFM31R00T181
IC 1 WA7-0614-000 1 IC, FC80960HD-50, MPU
IC 2 RH4-5328-000 1 IC, SC414322FT, GATE ARRAY
IC 3 RH4-5368-000 1 IC, UPD97053GC-001-7EA, C-MOS
IC 4 WA7-0324-000 1 IC, TMS428169A-60DGE, D-RAM
IC 5 WA7-0324-000 1 IC, TMS428169A-60DGE, D-RAM
IC 6 RH4-5369-000 1 IC, UPD23C32082LG7, MASK-ROM
IC 8 WA4-6571-000 1 IC, PST593DMT, RESET
IC 9 WA4-7018-000 1 TRANSISTOR ARRAY, LT1170CT
IC10 WA7-0322-000 1 IC, 93LC66-B/SN, EP-ROM
IC11 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC12 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC13 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC14 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC15 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC16 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC17 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC18 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC19 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC20 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC21 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC22 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC23 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC24 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC25 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC27 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC28 WA3-3826-000 1 IC, SN24AS11D, TL
IC29 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC30 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC31 WA7-0320-000 1 IC, SN74LVC541ADB, TTL
IC32 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC33 WA7-0319-000 1 IC, SN74LVC245ADB, TTL
IC34 WA4-7067-000 1 IC, 74ACT1284SC, DRIVER
IC35 WA7-0432-000 1 IC, 74F1071SC, DRIVER
IC37 WA4-7067-000 1 IC, 74ACT1284SC, DRIVER
IC38 WA7-0315-000 1 IC, SN74LVC00ADB, TTL
J 1 VS1-5710-036 1 CONNECTOR, 36P
J 2 RH2-5332-000 1 CONNECTOR, 38P
J 3 WS1-5661-000 1 CONNECTOR, 60P
J 4 WS1-5663-000 1 CONNECTOR, 72P
J 5 WS1-5663-000 1 CONNECTOR, 72P
J 6 RH2-5275-000 1 CONNECTOR, 72P
J 7 RH2-5275-000 1 CONNECTOR, 72P
J 8 RH2-5275-000 1 CONNECTOR, 72P
L 1 VL7-0880-103 1 INDUCTOR
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