Control Board Change; Pcbs U85 And U82 Change; Control Board Removal - Yamaha SIGMA-G5SII Service Information

4.2. Control Board Change

4.2.1. CPU-2 PCBs U85 and U82 Change
The section shown in the following figure shows CPU-2.
FRONT
The Control Boards for CPU-2 are called as follows from the right.
NAME
Control CPU
Motion Control
CPU2
AE-LINK/HSIO Host PCB
Compact Flash
* D81 (Compact Flash) has been attached to the CPU2 board.

4.2.2. Control Board Removal

NO SIGNAL
INPUT
X8500
X8501
X8502
X85UP
X85DN
X85T
Fig.D16
SYMBOL PART NAME
U81 PCB_MOUNT KYB-M410P-10
U82 PCB_MOUNT KYB-M4110-00
U85 PCB_MOUNT KYA-M8625-00
D81 UNIT_I/O(CF) KYB-M410C-00
(1) Shut down the machine and turn OFF the breaker.
When a message "NO SIGNAL INPUT" is
displayed in the window, the breaker turning OFF
is available. (Five seconds later, a power shutdown
sound is heard. However, you don't have to wait).
(2) Unplug the connector of the PCB to be removed.
* Take care not to deform the cables (fiber optic cables)
for the connector X8201 and X8202.
Fig.D17
126/273
For Service Engineer
Service Information
X8203
X8204
X9201
X8109
X8104
X8201
X8202
X8102
U85 U82 U81
PART CODE
This connector can be removed by
means of pressing its right side.
SI1705004E-00=SIGMA-G5SII Service Manual
X9202
U92
X9108
X9107
U91
X9106
X9105
X9109
X9104
X9103
X9102
Fig.No and
Key.No
FigD2-2,No.102
FigD2-2,No.103
FigD2-2,No.104
FigD2-2,No.105