Japan Radio Co. JSS-2150, Руководство по обслуживанию, Страница: 93 / 160

OPERATION CHECK AFTER INSTALLATION
3-9
Test item Description Result Countermeasure if NG
WKR
MODEM
•
Memory1: FROM operation
•
Memory2: EEPROM operation
•
Memory3: SDRAM operation
•
PLL lock: Status of PPL for DDS clock
•
Band1-RX BPF1: 2187.5 kHz Rx level
•
Band2-RX BPF2: 4207.5 kHz Rx level
•
Band3-RX BPF3: 6312.0 kHz Rx level
•
Band4-RX BPF4: 8414.5 kHz Rx level
•
Band5-RX BPF5: 12577.0 kHz Rx level
•
Band6-RX BPF6: 16804.5 kHz Rx level
•
Band7-RX BPF7: 2187.5/8414.5/16804.5kHz Rx
level
•
DSC/NBDP Loop1: MODEM AF loop
•
DSC/NBDP Loop2: MODEM&TRX AF loop
OK: Normal
NG: Error
•
With Memory2, replace
EEPROM (IC502)
•
When Loop test2 is NG,
replace CMN-2250 or
CMJ-2250, or check W14
wiring
•
Replace CMJ-2250
(2) Self diagnosis of the controller (Menu 6.1.2)
Test item Description Result Countermeasure if NG
DGT
CKT
•
Memory1: FROM operation
•
Memory2: EEPROM operation
•
Memory3: SDRAM operation
OK: Normal
NG: Error
Replace CDJ-3775
AF output AF connection up to TRX
OK: Normal
NG: Error
•
Check wiring between
the NCM-2150 and
NTD-2150
•
Check W11/W12 wiring
in NTD-2150
•
Replace CMV-2150
•
Replace CMN-2250
LCD&
LED
Screen and ALM lamp display operation
Check visually if every dot and red and green ALM
lamp alternately work normally for 3 seconds. DONE
•
Replace CDE-3770
(LCD)
•
Replace CCK-3775
(LED)
Speaker
Sound circuit operation
Check that a single tone sounds. Press ENT on the
popup screen to exit. DONE
•
Replace 7USJD0007
•
Replace CMV-3775
Printer
Printer operation
Output data if a printer is connected. Check the print
results. DONE
•
With NKG-91/DPU-414
Check cable connection
Check power of 5 to 8.7 V
Replace printer
•
With NKG-800
Check cable connection
Check power of 10.2 to
31.2 V
Replace printer
•
DTE memory1: FROM operation
•
DTE memory2: SDRAM operation
OK: Normal
NG: Error
Replace CDC-1346B
•
DTE LCD&LED: Screen and lamps operation
Note: Check visually if every dot alternating colors of
red, green, blue and white with the lamp blink
work normally for 5 seconds.
DONE Replace CCN-3227
DTE
•
DTE buzzer: DTE buzzer operation
Note: Check if the buzzer sounds correctly. After 3
seconds, sounding stops automatically
DONE Replace CMH-3227