Furuno GP-90, Руководство по обслуживанию

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1. Circuit Description
4
1.3 LCD Driver Signal
The table below illustrates the pin assignments of J10, LCD connector on NP board.
J10 Signal Remarks J10 Signal Remarks
#1 F.G Frame Ground #8 M AC signal for LCD driving
#2 Vo Power supply voltage for
contrast adjustment #9 FRM Frame start signal (Data
signal of the shift register of
the common driver)
#3 VEE LCD driver supply voltage
(-20.5 V)
#10 DISP
OFF Display off signal, Active
low
#4 Vss GND #11 D3 Display data
#5 VDD +5 V #12 D2 Display data
#6 CP Clock pulse for segment shift
register (Data shift pulse) #13 D1 Display data
#7 LOAD Common driver data shift
signal: also latches the data of
the line immediately above.
#14 D0 Display data
1.4 GP-90-DUAL
GP-90 - DUAL consists of two GPS receivers and an interface unit, IF-2500.
The GPS receiver for dual configuration differs from one for single configuration only in software.
Antenna Unit
12 - 24 VDC
GPA - 017S (GPS)
GPA - 018S (DGPS, Whip)
GPA - 019S (DGPS)
ANT
MJ - A6SPF0012 - 100
(Comes with IF - 2500 )
DATA 1
DATA 3
DATA 4
DATA 2
MJ - A6SPF003 - 050
MJ - A2SPF014 - 03
Display Unit
ANT
DATA 1
DATA 3
DATA 4
DATA 2
MJ - A2SPF014 - 03
12 - 24 VDC
GPA - 017S (GPS)
GPA - 018S (DGPS, Whip)
GPA - 019S (DGPS)
GP-90 - DUAL
GP-90 - DUAL
IF - 2500
E/S, Radar & Autopilot Alarm system
VCTF1.25X2C
12 - 24 VDC
VH2P - 002
XH4P - 002 XH5P-002
XH3P - 002
Contact - closure signal
INPUT
INPUT
Antenna Unit
J2 (XH6P) J3 (XH6P)
J1(VH2P)
(
XH3P
)
J10
(
XH3P
)
J11
(
XH3P
)
J12
(XH4P)
J4
(XH4P)
J5
(
XH4P
)
J6
(
XH4P
)
J7
(
XH5P
)
J8
Display Unit
Fig.1.3