Ericsson NPC-50 Manuale Utente

ericssonzMaintenance ManualNPC-200Portable RadioKRD 103 117/1 (VHF)KRD 103 117/3 (UHF)Ericsson Inc.Private Radio SystemsMountain View RoadLynchbur

VHFVOLTAGE CHART - (VHF)IC001PIN NO.RX[V]TX[V]REMARKS15.40.024.70.035.50.044.20.055.50.065.00.075.00.084.40.095.50.010 5.5 0.011 5.1 0.012 0.0 0.013 4

VHFVOLTAGE CHART - (VHF)IC703PIN NO.RX[V]TX[V]REMARKS13.23.223.23.233.13.140.00.053.13.163.23.273.13.185.65.6PCB:SWITCHPIN NAMERX[V]TX[V]REMARKSGND 0.

UHF ALIGNMENTALIGNMENT OF TRANSMITTER - (UHF)TEST EQUIPMENT REQUIREDa. DC POWER SUPPLY (7.5V, more than 3A)b. RF WATTMETER (more than 10 Watt)c. DUMM

UHF ALIGNMENTFigure 5 - Alignement Points, UHFTEST MODE (UHF)DETAIL OF TEST MODE ROM CHRX TX2-TONE VOX USESFREQ.(MHz)CTCSS/DCS(Hz) (-)FREQ.(MHz)C

UHFTRANSISTORVOLTAGE CHART (UHF) QPIN NO.RX[V]TX[V]REMARKSQ001 C 5.0 0.0B0.70.0E0.00.0Q002 C 1.0 0.0B0.70.0E0.00.0Q004 S 2.8 0.6G0.00.0D0.90.6Q005 C 5

UHFVOLTAGE CHART - (UHF)IC502PIN NO.RX[V]TX[V]REMARKS10.00.027.57.235.65.6IC502PIN NO.RX[V]TX[V]REMARKS12.32.62 - - - - DATA LINE32.12.342.32.652.32.6

VCO BOARD (UHF) TOP VIEW(E24-12157, Sh. 1, Rev. 0)ASSEMBLIESC201 15P / CHC202 3P / CJC203 3P / CJC204 0.001 / BC205 10P / CHC206 10P / CHC207 0.001 /

VCO BOARD (UHF) BOTTOM VIEW(E24-12154, Sh. 2, Rev. 0)ASSEMBLIESJ201 PG - 156 2PJ202 PG - 156 2PJ203 PG - 156 11PC201 18P / CHC203 5P / CHC208 7V10

VCO BOARD (VHF)BOTTOM VIEW(E24-12268, Sh. 1, Rev. 1)VCO BOARD (VHF)BOTTOM VIEW(E24-12269, Sh. 2, Rev. 0)ASSEMBLIESC204 0.001 / BC205 27P / CHC206 15P

VCO BOARD (VHF) BOTTOM VIEW(E24-12270, Sh. 3, Rev. 1)ASSEMBLIESC301 0.001 / BC303 35V0.33 (T) C-227C304 7V15 (T) C - 284C305 35V0.1 (T) C-227C307 0

Copyright© March 1996, Ericsson Inc.TABLE OF CONTENTSPageSPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . .

ASSEMBLIESPLL BOARD (UHF)TOP VIEW(E24-12153, Sh. 1, Rev. 1)C302 5P / CHC306 47P / CHC315 68P / CHC320 10P / CHQ301 XN4601D301 MA2S111IC301 MB1501PFCT3

ASSEMBLIESPLL BOARD (VHF)BOTTOM VIEW(E24-12273, Rev. 1)C301 0.001 / BC303 35V0.33 (T) C-227C304 7V15 (T) C-284C305 35V0.15 (T) C-227C307 0.001 / BC

ASSEMBLIESJUMPER BOARD (UHF)BOTTOM VIEW(E24-12144, Rev. 0)JUMPER BOARD (UHF)TOP VIEW(E24-12145, Rev. 0)C901 330P / CH (1608)D901 HZK6CMC801 MK - 480J

ASSEMBLIESMAIN BOARD (VHF)BOTTOM VIEW(E23-12263, Rev. 1)(E22-12264, Rev. 1)AE/LZB 119 1658 R1A22

ASSEMBLIESMAIN BOARD (VHF)TOP VIEW(E23-12263, Rev. 1)(E22-12264, Rev. 1)AE/LZB 119 1658 R1A23

MAIN BOARD (UHF)TOP VIEW(E22-12167, Rev. 1)(E22-12166, Rev. 1)ASSEMBLIESAE/LZB 119 1658 R1A24

ASSEMBLIESMAIN BOARD (UHF)BOTTOM VIEW(E22-12165, Rev. 1)(E22-12163, Rev. 1)AE/LZB 119 1658 R1A25

ANT BOARD (VHF)TOP VIEW(E24-12281, Rev. 1)ANT BOARD (UHF)TOP VIEW(E24-12143, Rev. 1)ASSEMBLIESJ851 JK - 848J851 JK - 848AE/LZB 119 1658 R1A26

RF BOARD (UHF)TOP VIEW(E24-12159, Rev. 1)ASSEMBLIESTP101 TP - 119TP102 TP - 119TP103 TP - 119TP104 TP - 119TP105 TP - 119TP106 TP - 119TP107 TP - 119T

RF BOARD (VHF)TOP VIEW(E24-12265, Rev. 1)ASSEMBLIESTP101 TP - 119TP102 TP - 119TP103 TP - 119TP104 TP - 119TP105 TP - 119TP106 TP - 119TP107 TP - 119T

GENERALThe NPC-200 VHF Portable Radio Unit operates in the148-174 MHz frequency band with a power output of 5 or 1watt (selectable). It has programmab

SWITCH BOARD (UHF)BOTTOM VIEW(E24-12149, Sh. 1, Rev. 1)SWITCH BOARD (UHF)BOTTOM VIEW(E24-12148, Sh. 2, Rev. 1)ASSEMBLIESR401 12KR402 8.2KL401 15.3nH L

ASSEMBLIESSWITCH BOARD (UHF)TOP VIEW(E24-12150, Rev. 1)SWITCH BOARD (UHF)TOP VIEW(E24-12274, Rev. 1)AE/LZB 119 1658 R1A30

SWITCH BOARD (VHF)BOTTOM VIEW(E24-12275, Sh. 1, Rev. 1)SWITCH BOARD (VHF)BOTTOM VIEW(E24-12276, Sh. 2, Rev. 1)ASSEMBLIESR401 1.5KR402 1.5KR403 10KR404

PARTS LISTMAIN BOARD (VHF)(E22-12262, Rev. 0)(E22-12261, Rev. 1)R7 1.5KR12 1.8W 1/10WR13 220KR14 1.5KR15 330KR16 2.2KR35 47KR42 2.2 1/10WR501 560 1/10

PARTS LISTMAIN BOARD (VHF)(E22-12264, Rev. 1)D1 1SS226D2 RLS4148D4 HZK118D5 HZK6CD6 HZK6CD7 HZK6CD8 HZK6CD502 HZK58LLD601 HSM88WAD602 RLS4148D603 RLS4

SUB BOARDTOP VIEW(E23-12277, Rev. 2)OUTLINE DIAGRAMSR700 1KR701 3.3KR702 1KR703 2.2KR704 150KR705 47R714 33K / FR716 10KR717 27KR718 270KR721 68KR722

OUTLINE DIAGRAMSR707 100K / FR708 39K / FR710 560K / FR711 33K / FR712 33K / FR713 82K / FR715 560K / FR720 12KR727 220K / FR728 220K / FR730 220K / F

SCHEMATIC DIAGRAMSNOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTAGES ARE [1/16W] UN

VCO BOARD (VHF)(E14-4494, Rev. 1)SCHEMATIC DIAGRAMSNOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2.

SCHEMATIC DIAGRAMSNOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTAGES ARE [1/16W] UN

Figure 1 - Radio Block DiagramRECEIVERThe receiver converts the received RF signal to an audio sig-nal. The receiver contains the following:• Antenna

SCHEMATIC DIAGRAMSPLL BOARD (VHF)(E14-4495, Rev. 1)AE/LZB 119 1658 R1A39

NOTES:1. CAPACITANCE VALUES ARE INDICATED IN MICRO FARADS UNLESS OTHERWISE NOTED. (P = MICRO-MICRO-FARAD).2. CAPACITOR SIZES ARE 1608 UNLESS OTHERWISE

SCHEMATIC DIAGRAMSMAIN BOARD (UHF)(E12-4452, Rev. 0)AE/LZB 119 1658 R1A41

SCHEMATIC DIAGRAMSMAIN BOARD (VHF)(E12-4492, Rev. 0)AE/LZB 119 1658 R1A42

SCHEMATIC DIAGRAMSSUB BOARD (UHF)(E13-4451, Rev. 1)AE/LZB 119 1658 R1A43

SCHEMATIC DIAGRAMSSUB BOARD (VHF)(E13-4497, Rev. 1)AE/LZB 119 1658 R1A44

RF BOARD (UHF)(E14-4446, Rev. 1)NOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTAGES

NOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTAGES ARE [1/16W] UNLESS OTHERWISE NOT

SWITCH BOARD (UHF)(E14-4449, Rev. 1)NOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTA

SWITCH BOARD (VHF)(E14-4496, Rev. 1)NOTES:1. RESISTANCE VALUES ARE SHOWN IN OHMS UNLESS OTHERWISE NOTED. (K = KILO OHM, M = MEG OHM).2. RESISTOR WATTA

First IF Pre-Amplifier (Q2)The filtered IF signal is applied to the first IF pre-ampli-fier Q2 to recover the losses of the filters and increase these

WIRING DIAGRAMS(UHF)(E33-3698, Rev. 1)AE/LZB 119 1658 R1A49

WIRING DIAGRAMS(UHF)SYNTHESIZER(E33-3697, Rev. 1)AE/LZB 119 1658 R1A50

WIRING DIAGRAMS(VHF)(E33-3712, Rev. 1)AE/LZB 119 1658 R1A51

WIRING DIAGRAMS(VHF)SYNTHESIZER(E33-3711, Rev. 1)AE/LZB 119 1658 R1A52

This page intentionally left blankAE/LZB 119 1658 R1A53

REGULATORSTransistor Q507 and the power module (pin 6 of IC501) aredirectly connected to the battery through a fuse F1. When thepower switch of the ra

VHF ALIGNMENTALIGNMENT OF TRANSMITTER - VHFTEST EQUIPMENT REQUIREDa. DC POWER SUPPLY (7.5V, more than 3A)b. RF WATTMETER (more than 10 Watt)c. DUMMY

VHF ALIGNMENTFigure 3 - Test Setup, ReceiverFigure 4 - Alignment Points, VHFALIGNMENT PROCEDUREAE/LZB 119 1658 R1A7

VHFTEST MODE (VHF)DETAIL OF TEST MODE ROM CHRX TX2-TONE VOX USESFREQ.(MHz)CTCSS/DCS(Hz) (-)FREQ.(MHz)CTCSS/DCS(Hz) (-)PWR1 160.0500 - - - -