User's Manual

ManualsBrandsJapan Radio ManualsElectronicsMarine MF/HF GMDSS Radio Transceiver, digital selective calling (DSC) / narrow-band direct printing (NBDP) Modem

Table Of Contents

Maintenance & Inspection

6-3

Unit Name Test Item Contents Results

Transceiver

ATU

x Serial I/F :Serial communication

x RBK port :RBK interface

x Band1 input :2140 kHz input value

x Band1 tune :2140 kHz tuning operation

x Band2 input :4149 kHz input value

x Band2 tune :4149 kHz tuning operation

x Band3 input :6230 kHz input value

x Band3 tune :6230 kHz tuning operation

x Band4 input :8297 kHz input value

x Band4 tune :8297 kHz tuning operation

x Band5 input :16546 kHz input value

x Band5 tune :16546 kHz tuning operation

x Band6 input :25118 kHz input value

x Band6 tune :25118 kHz tuning operation

x Fan :Air cooling fan operation

OK: Normal

NG: Abnormal

PA

x PA mute port :Confirmation of PA diagnosis

viability

x RBK port :RBK overcurrent detection

x Memory1 :EEPROM1 operation

x Memory2 :EEPROM2 operation

x PA(A) voltage :PA (A) PS voltage

x PA(B) voltage :PA (B) PS voltage *

x DA output :2140 kHz output from DA

x PA(A) bias :PA (A) idling current

x PA(A) output :PA (A) output

x PA(B) bias :PA (B) idling current *

x PA(B) output :PA (B) output *

x

PA(A)+(B) output

:Combined PA output *

x

LPF band1 output

:2140kHz output

x

LPF band2 output

:3023kHz output

x

LPF band3 output

:4149kHz output

x

LPF band4 output

:6230kHz output

x

LPF band5 output

:8297kHz output

x

LPF band6 output

:12365kHz output

x

LPF band7 output

:16546kHz output

x

LPF band8 output

:25118kHz output

x Fan1 : Air cooling fan1 operation

x Fan2 : Air cooling fan2 operation *

x Fan3 : Air cooling fan3 operation

OK: Normal

NG: Abnormal

*

500W model only

TRX

x Memory :EEPROM operation

x Digital CKT :FPGA operation

x BK port :BK signal state

x PLL lock :State of PLL for DDS/DUC

clock

x

Band1-TX output

:1600 kHz output

x

Band2-TX output

:22000 kHz output

x

Band3-TX output

:27500 kHz output

x

Band4-TX output

:RX diagnosis circuit

x

Band1-RX BPF1

:1600 kHz Rx level

x

Band2-RX BPF2

:390 kHz Rx level

x

Band3-RX BPF3

:1590 kHz Rx level

x

Band4-RX BPF4

:3190 kHz Rx level

x

Band5-RX BPF5

:6090 kHz Rx level

x

Band6-RX BPF6

:10490 kHz Rx level

x

Band7-RX BPF7

:17990 kHz Rx level

x

Band8-RX BPF8

:27500 kHz Rx level

OK: Normal

NG: Abnormal