Location Of Parts On Modulator Board (03P6666C) - Furuno FR-2155 Service Manual

Location of Parts on Modulator Board (03P6666C)

Test point and Ratings
TP No.
TP1,TP2 TRIGGER
TP3,
TRIGGER
Chassis (-)
VR858
Signal
TP1
TP2
(TRIGGER)
S : 380 to 400
M1: 470 to 600
M2: 840 to 1000
L : 1250 to 1600
0V
T : 0.6 to 1.5
V1: 9.0 to 12.0V
V2: -11.0 to -12.3V
TP1 TP2
Rating
TRIGGER
µ
s, Adjusted by VR858
µ
s
µ
s
µ
s
V1
T V2
µ
s
3-21
TP3
Condition
TX,
Removed Fuse (F801)
for PSU-001 Unit
TX,
Removed Fuse (F801)
for PSU-001 Unit