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JRC JSS-2250 Instruction Manual Page 159

Mf/hf radio equipment.
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Unit Name
Test Item
Transceiver
Serial I/F
RBK port
Band1 input
Band1 tune
Band2 input
Band2 tune
Band3 input
ATU
Band3 tune
Band4 input
Band4 tune
Band5 input
Band5 tune
Band6 input
Band6 tune
Fan
PA mute port
RBK port
Memory1
Memory2
PA(A) voltage :PA (A) PS voltage
PA(B) voltage :PA (B) PS voltage *
DA output
PA(A) bias
PA(A) output
PA(B) bias
PA(B) output
PA
PA(A)+(B) output :Combined PA output *
LPF band1 output :2140kHz output
LPF band2 output :3023kHz output
LPF band3 output :4149kHz output
LPF band4 output :6230kHz output
LPF band5 output :8297kHz output
LPF band6 output :12365kHz output
LPF band7 output :16546kHz output
LPF band8 output :25118kHz output
Fan1
Fan2
Fan3
Memory
Digital CKT
BK port
PLL lock
Band1-TX output :1600 kHz output
Band2-TX output :22000 kHz output
Band3-TX output :27500 kHz output
TRX
Band4-TX output :RX diagnosis circuit
Band1-RX BPF1 :1600 kHz Rx level
Band2-RX BPF2 :390 kHz Rx level
Band3-RX BPF3 :1590 kHz Rx level
Band4-RX BPF4 :3190 kHz Rx level
Band5-RX BPF5 :6090 kHz Rx level
Band6-RX BPF6 :10490 kHz Rx level
Band7-RX BPF7 :17990 kHz Rx level
Band8-RX BPF8 :27500 kHz Rx level
Maintenance & Inspection
Contents
:Serial communication
:RBK interface
:2140 kHz input value
:2140 kHz tuning operation
:4149 kHz input value
:4149 kHz tuning operation
:6230 kHz input value
:6230 kHz tuning operation
:8297 kHz input value
:8297 kHz tuning operation
:16546 kHz input value
:16546 kHz tuning operation
:25118 kHz input value
:25118 kHz tuning operation
:Air cooling fan operation
:Confirmation of PA diagnosis
viability
:RBK overcurrent detection
:EEPROM1 operation
:EEPROM2 operation
:2140 kHz output from DA
:PA (A) idling current
:PA (A) output
:PA (B) idling current *
:PA (B) output *
: Air cooling fan1 operation
: Air cooling fan2 operation *
: Air cooling fan3 operation
:EEPROM operation
:FPGA operation
:BK signal state
:State of PLL for DDS/DUC
clock
Results
OK: Normal
NG: Abnormal
OK: Normal
NG: Abnormal
*
500W model only
OK: Normal
NG: Abnormal
6-3

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This manual also for:

Jss-2500, Jss-2250n, Jss-2500n

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