Furuno FAR-2107 Series Service Manual page 165

CR8
(Blinks every
0.5 second.)
ARPA CPU
(U74)
S2
(Reset SW)
TP58 (2Vp-p)
R401
(Used to adjust OP Video
IN level, 2Vp-p at TP58)
CR4 (Blinks every second.)
CR5 (Blinks every second.)
Note:
See page.5-2 for SPU Ver-22.
Fig. 2.1.7 SPU Board, 03P9337 Ver.11
S1 (Selection of monitor type)
Model
FAR-21x7 (MU-201CR)
FAR-28x7 (MU-231CR)
FAR-21x7-BB
MAIN CPU
(U21)
DRW CPU
(U19)
CR2/CR3 (Always ON)
2-4
2.1 Processor Unit: RPU-013
1 2 3 4
OFF OFF
OFF
ON OFF
OFF ON
CR Check for
CR2 VCC (+5 V)
CR3 3.2 V
CR4 MAIN CPU (U21)
CR5 DRW CPU (U19)
CR8 ARPA CPU (U74)
Mounting part
of NET-100.
DVI-D J204
DVI-D J205