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Oki Data CONFIDENTIAL
8. Connection diagrams
8.3.2 ROM version check and display
(1) Perform the menu map printing and confirm that the F/W version number has
been upgraded.
(2) Fill out the ROM label that is attached to the location shown below in accordance
with the downloaded F/W version number.
8.3.3 PCB Maintenance Indication Stamp
The specified article numbers are stamped in the PCB Maintenance Indication column on
the CU PCB in accordance with the table shown below.
R130
R129
R114
R113
R86
R71
LED9
LED8
LED7
LED6
LED5
LED4
IC_VREF
GND1
DLMODE
MB
CP12
CP11
CN101
CC1
C161
C160
C154
C73
C72
C71
C70
C69
C68C67C66
C63
C62
C61
C58
C9
2.5V_2
34
A
K
AA
42
40
41
39
2
1
437937
TBN
1
2
Specified stamping location
Article number Seal
Board TB2(YU)
Series No.
Use
43793721 21 TB2-3 (43778803) ODA PX741
43793723 23 TB2-3 (43778803) OEL PX741
43793724 24 TB2-3 (43778803) AOS PX741
43793725 25 TB2-3 (43778803) Japan PX741
43793726 26 TB2-3 (43778803) TAIWAN PX741
43793727 27 TB2-3 (43778803) KOREA PX741
1 42 53
PCB-TB2-3
Revision number label position
Revision number label details
1 2 3
Sample 2 Rev.4
Sample 1
Rev.1
4 5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
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