Service Manuals, User Guides, Schematic Diagrams or docs for : Minolta Copiers Di620 1155033A
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MINOLTA CO., LTD., SERVICE ENGINEERING DIVISION
PAGE NO. : 1/14
SERVICE BULLETIN
PROBLEM FUNCTION SAFETY
SERVICEABILITY OTHERS
MODEL NAME : Di620 OTHERS PERFORMANCE CORRECTION
SAFETY REGULATION OTHERS
MODEL CODE : 1155
NO. : 033A
DATE : 990518
SUBJECT : PRINTING SPEED INCREASED
To increase the printing speed if the Di620 is used as a printer, the following modifications have been implemented.
1. The software program of the following ICs (01 to 07) has been changed.
01 02
1155-IC26IB 1155-IC26IB 1155-IC21B 1155-IC21B
6607-49 6651-02 6620-04 6652-01
23G028-00 23H002-00 80G007-00 80H000-00
03 04
1155-IC21B 1155-IC21B 1155-IC2A 1155-IC2A
6640-03 6653-01 6634-07 6646-02
84G007-04 84H000-04 50G014-00 50H018-00
05 06
1155-IC2A 1155-IC2A 1155-IC2W 1155-IC2W
6645-02 6647-02 6618-04 6618-05
50G502-00 50H506-00 90G005-00 90G011-00
07
1155-IC3W 1155-IC3W
6619-04 6619-05
90G005-00 90G011-00
2. The software program of IC70B on P. W. Board-B has been changed. Due to this, the memory program of the
memory card IC (08) has been changed.
08
IC70 Version : 10G044-00 10H001-00
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3. The mats (09, 10) for shielding have been discontinued.
10
09
4. The shape of the shield (11) in the manual bypass section has been changed.
11
11
5. A plate spring (12) for grounding and shields (13) have been added in the duplex unit.
13
13
12
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6. Some electrical parts have been added on P. W. Board-B (14) and P. W. Board-W (15).
7. The number of PWB supports (16) for PWB-B have been decreased by two. The number of other PWB supports
(17) have been decreased by six and bracket (18) have been added instead.
8. The number of PWB supports (19) for PWB-W have been decreased by two. Instead, the shape of the bracket
(20) for PWB-W has been changed and a bracket (21) has been added.
9. The shape of the PWB frame, connector bracket (22), brackets (23, 24) and PWB cover (25) has been changed.
10. The ferrite cores have been discontinued from the harnesses (26 to 28).
11. The plate spring (29, 30) for grounding, seal (31) and shields (32, 33) have been discontinued.
12. A shield (34) has been added.
13. The ferrite core (35) has been discontinued.
14. The grounding wire (36) is not necessary due to the PWB-B change. Therefore, the wire (36) has been
discontinued.
Before Modification
36 PWB-R
30 35
24
14
19 20
22 15 33
16
32
23
25
31
20
31
26 , 27
17
29
PWB Frame
28
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After Modification
PWB-R
24 14 15
21
22 34 25
34
16
23
19 20
18
26 , 27
17
PWB Frame
28
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BEFORE MODI. AFTER MODI. QTY
NO. F-IND PART NO. PART NO. F-IND PART NAME I SE/NO. AREA
01 11-32CA 1155-6607-49 1155-6651-02 11-32CB IC 1 1 N 009221 2705
02 36-03DA 1155-6620-04 1155-6652-01 36-03DB IC 1 1 N 009221 2706
03 36-03BC 1155-6640-03 1155-6653-01 36-03BD IC 1 1 N 009630 2713
04 36-78CA 1155-6634-07 1155-6646-02 36-78CB IC 1 1 N 009221 2705
05 36-79CA 1155-6645-02 1155-6647-02 36-79CB IC 1 1 N 009241 2705
06 36-63AC 1155-6618-04 1155-6618-05 36-63AD IC 1 1 Y 009201 0000
07 36-62AC 1155-6619-04 1155-6619-05 36-62AD IC 1 1 Y 009201 0000
08 46-35CA 1155-0753-04 1155-0756-01 46-35CB JIG MEMORY CARD 1 1 N 009221 2705
09 02-29CA 1155-2459-01 MAT 1 - 009221 2705
10 02-30CA 1155-2458-01 MAT 1 - 009221 2705
11 14-47CA 1155-6211-01 1155-6233-01 14-47CB SHIELD 1 1 N 009221 2705
12 1155-3938-01 26-25CA PLATE SPRING 1 N 009221 2705
13 1155-6235-01 26-26BA SHIELD 2 N 009221 2705
14 36-02CA 1155-0102-15 1155-0142-01 36-02CB PW BOARD-B 1 1 N 009221 2705
15 36-01CA 1155-0121-04 1155-0136-01 36-01CB PW BOARD-W 1 1 N 009221 2705
16 36-55CA 9384-1710-91 9384-1710-91 36-55CB PWB SUPPORT 4 2 - 009221 2705
17 36-40CA 9384-1920-11 9384-1920-11 36-40CB PWB SUPPORT 18 12 - 009221 2705
18 1155-2472-01 36-75CA BRACKET 1 N 009221 2705
19 36-64CA 9384-1710-11 9384-1710-11 36-64CB PWB SUPPORT 4 2 - 009241 2705
20 36-58CA 1155-2450-01 1155-2476-01 36-58CB BRACKET 2 2 N 009221 2705
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BEFORE MODI. AFTER MODI. QTY
NO. F-IND PART NO. PART NO. F-IND PART NAME I SE/NO. AREA
21 1155-2475-01 36-76CA BRACKET 1 N 009221 2705
22 36-16CA 1155-2422-03 1155-2479-01 36-16CB BRACKET 1 1 N 009221 2705
23 36-56CA 1155-2445-02 1155-2474-01 36-56CB BRACKET 1 1 N 009221 2705
24 36-70AA 1155-2435-02 1155-2477-01 36-70AB BRACKET 1 1 N 009221 2706
25 36-65CA 1155-2412-02 1155-2471-01 36-65CB COVER 1 1 N 009221 2705
26 36-50AB 1155-6840-15 1155-6840-26 36-50AC HARNESS 1 1 N 009201 0000
27 36-50BB 1155-6863-12 1155-6863-23 36-50BC HARNESS 1 1 N 009221 0000
28 36-57CA 1155-6853-03 1155-6866-01 36-57CB HARNESS 1 1 N 009221 2705
29 36-61CA 1155-2452-01 PLATE SPRING 1 - 009221 2705
30 36-73AA 1155-2454-01 PLATE SPRING 1 - 009221 2706
31 36-60CA 1155-2453-01 SEAL 2 - 009221 2705
32 36-09CA 1155-6222-01 SHIELD 1 - 009221 2705
33 36-67CA 1155-6223-01 SHIELD 1 - 009221 2705
34 1155-6234-01 36-77BA SHIELD 2 N 009221 2705
35 36-68CA 9326-1010-51 FERRITE CORE 1 - 009221 2705
36 36-71AA 1155-6858-01 HARNESS 1 - 009221 2706
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POSTSCRIPT: Due to the modifications for increasing the printing speed, modification and addition to the
specifications and tech. rep. mode have been implemented. The following "Service Manual
Additional Information" describes the above changes.
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