Hitachi BE-IR30 - Manual (Page 20)

11. Function setting and changes
BE-IR30 / 31 19
11-6 BE-IR31 internal sync
The BE-IR31 factory setting is for external sync. If required, this can be changed to internal
sync by changing chip parts.
Change the following chip parts for internal sync operation.
Sync system R280 R281 R282 R284
External Absent 0
Ω
100
Ω
Absent Factory setting
Internal 100
Ω
Delete Delete 0
Ω
0
Ω
Part code RME1784
Type ERJ3GEYJ0R00V
100
Ω
Part code RME1797
Type ERJ3GEYJ101V
(Main board side A) (Main board side B)
Location of chip resistors