Furuno FR-1505 MARK-3 Series User Manual

3-9
Location of Parts on SPU Ñ 03P9230 Ò Board
Test points and Ratings
TP No. Signal Rating Condition
TP1 TUNE IND Approx. 1 to 3.2 VDC TX, tuned
TP2 H SYNC 48.36 kHz
TP3 V SYNC 59.99 Hz
TP4 GAIN PRESET
TP5 STC CURVE 4 us: 0.8 to 1.1 V, 10 us: 1.3 to 1.6 V
20 us: 1.9 to 2.3 V, 40 us: 2.7 to 3.0 V
60 us: 3.3 to 3.7 V, 90 us: 4.1 to 4.5 V
120 us: 4.3 to 4.7 V
Ant. Height: 10 m
Range: 12 nm
Gain: fully cw
STC: fully cw
TP6 VIDEO LEVEL Approx 4 Vpp, negative, main bang level
Adjusted by Menu
Range: 24 nm
Noise Rejector: OFF
STC: fully ccw
FTC: fully ccw
TP7 SLAVE BP 144 Hz (8 to 12 V, negative) TX, antenna rotated
TP8 AC WAVE
TP10 RP TRIG 4 to 12V, positive, approx. 3.5 to 15 us
S1: 3005 to 3976 Hz, S2: 2790 to 3505 Hz
M1: 1502 to 1602 Hz, M2: 976 to 1041 Hz
M3: 976 to 1041 Hz, L: 583 to 621 Hz
TX
TP11 BP 144 Hz (8 to 12 V, negative) TX, antenna rotated
TP12 EXT BP 144 Hz (8 to 12 V, negative)
TP13 TUNE V Approx. 1 to 32 V
TP14 EXT HD 12 V, negative (0 V)
TP15 R. MONI 8.5 to 10.5 V STBY, short range
TP16 HD 12 V, negative (0 V) TX, antenna rotated
TP17 MAG CUR 25 kW: 7.4 to 8.1 Vdc
10 kW: 4.6 to 5.3 Vdc
6 kW: 3.0 to 3.6 Vdc
TX, long pulse
TP18 GND
TP19 TX TRIG Same as TP10
TP15
TP14
TP8
TP6
TP4
TP5
CR4
EEPROM
(U100)
Flash ROM
(U5)
TP17
TP18
TP19
TP10
TP11
TP12
TP13
TP9
TP7
TP3
TP2

Furuno FR-1505 MARK-3 Series Specifications

General

Brand	Furuno
Model	FR-1505 MARK-3 Series
Category	Marine Radar
Language	English