For Service Engineer
Service Information
SI1705004E-00=SIGMA-G5SII Service Manual
120/273
4. Maintenance
4.1. CPU-1 PCBs U91 and U92 Change
The section shown in the following figure shows CPU-1.
The names of the control boards for CPU-1 are as follows.
NAME
SYMBOL PART NAME PART CODE Fig.No and Key.No
CPU1
Operation
・
Recognition CPU
U91
BOARD
-
FigD2-1,No2
Frame Grabber 1
U92
BOARD
-
FigD2-1,No3
D89
SSD
-
FigD2-1,No7
4.1.1. Removal of CPU1-BOX
(In the case of the replacement, the backup operation using the NT-100 is performed.)
(1)
Shut down the machine and turn OFF the breaker.
(2) Disconnect all the connectors on the CPU-1 section.
Fig.D2
X9102
X9202
X8500
X8501
X8502
X85UP
X85DN
X85T
X8109
X8104
X8202
X8201
X8102
U85 U82 U81
X8204
X9201
X8203
U92
U91
X9106
X9105
X9109
X9104
X9103
X9108
X9107
Fig.D1
For the cables to the Connector X19105 and X19106
(USB), undo the binding bracket is available.
*Refer to Fig. D2
FRONT