Furuno FR-1505 MARK-3 Series Service Manual page 71

Location of Parts on IF AMP
TP607 TP605 TP603
Test points and Ratings
TP No.
TP601 Output of U601
TP602 Output of U603
TP603 TUNING IND.
TP604 MBS
TP605 +7 V
TP606 -9 V
TP607 +9 V
TP608 Output of U611
J611 # 3(+) TUNING IND.
& Chassis(-)
J611 # 2(+) R.MONIT
& # 10(-)
VIDEO Output of U602
Ñ
VR601
Signal
Factory-use
Factory-use
1.5 to 3.5 VDC
2.2 to 2.4 V, positive, 0.07 to 0.55 us
+5.7 to +6.7 VDC
-8.7 to -9.3 VDC
+8.7 to +9.3 VDC
Factory-use
1.5 to 3.5 VDC
1.5 to 3.5 VDC
White noise level, factory-adjusted with
VR601
Ò
03P9232 Board
TP606
TP608 TP602
Rating
3-24
TP604
Condition
TX
TX
(Varies according to
MBS T and MBS L
settings)
ST-BY
TX, long range,
Maximum tuning
indication
ST-BY, short range
TX
(Field-adjustment
prohibited!!)