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Ericsson KRD 103 117/1 Maintenance Manual Download Page 29

RF BOARD (VHF)
TOP VIEW

(E24-12265, Rev. 1)

ASSEMBLIES

TP101

TP - 119

TP102

TP - 119

TP103

TP - 119

TP104

TP - 119

TP105

TP - 119

TP106

TP - 119

TP107

TP - 119

TP108

TP - 119

C102

56P / CH

C103

27P / CH

C104

27P / CH

C106

5P / CH

C108

18P / CH

C110

39P / CH

C111

68P / CH

C112

22P / CH

C113

470P / CH

C114

330P / CH

C115

10P / CH

C116

0.001 / B

C120

39P / CH

C121

39P / CH

C122

39P / CH

C123

33P / CH

C124

18P / CH

C125

47P / CH

C128

12P / CH

C130

12P / CH

C131

47P / CH

C132

22P / CH

R101

2.2K

R102

68K

R103

220

R104

10

R105

18

R106

56

R107

5.6

L101

0.056uH LZ - 116

L102

0.064uH LZ - 116

L103

0.064uH LZ - 116

L104

0.056uH LZ - 116

L105

0.033uH LZ - 116

L107

0.064uH LZ - 116

L108

0.068uH LZ - 087

L110

0.068uH LZ - 087

L111

0.68uH LZ - 087

L112

0.033uH LZ - 087

L113

0.27uH LZ - 087

L114

0.15uH LZ - 087

L120

LD - 295

L121

LD - 295

Q101

2SC4226 - R24

D101

ND487C1T

RF BOARD (VHF)
BOTTOM VIEW

(E24-12266, Rev. 1)

AE/LZB 119 1658 R1A

28

Summary of Contents for KRD 103 117/1

Page 1: ...Manual NPC 200 Portable Radio KRD 103 117 1 VHF KRD 103 117 3 UHF Ericsson Inc Private Radio Systems Mountain View Road Lynchburg Virginia 24502 AE LZB 119 1658 R1A 1 800 528 7711 Outside USA 804 528...

Page 2: ...IAGRAMS 49 ILLUSTRATIONS Figure 1 Radio Block Diagram 3 Figure 2 Test Setup Transmitter 5 Figure 3 Test Setup Receiver 7 Figure 4 Alignment Points VHF 7 Figure 5 Alignement Points UHF 12 This manual c...

Page 3: ...02 for the buffer amplifier Q203 en ables the receive VCO in the receive mode while Q205 enables the transmit VCO in the transmit mode The VCO output signal enters the phase detector pin 8 of IC301 th...

Page 4: ...witch FT401 The antenna switch in the receive mode permits RF signal to pass to the receiver In the transmit mode the circuit switches off the receiver and allows the RF signal from the transmitter to...

Page 5: ...modulator Pre driver RF power amplifier RF power controller Transmit inhibit Antenna switch When the PTT switch is pressed the negative side of the microphone is grounded and DC bias voltage is applie...

Page 6: ...IC705 enters the low pass filter pin 8 of IC602 The low pass filter only passes the desired tone and filters out high frequencies contained in the receive data signal Filtered data is applied to pin...

Page 7: ...z DEV 30 Hz back to STEP 5 7 CH1 MOD 1 kHz 100 mV RT202 CHECK 4 0 kHz DEV 0 05 kHz 8 CH4 NO MODULATION RT701 CHECK 700 Hz DEV 30 Hz Tone Freq 167 9 Hz POWER ADJUSTMENT TIME IS LESS THAN 5 SECONDS ALIG...

Page 8: ...VHF ALIGNMENT Figure 3 Test Setup Receiver Figure 4 Alignment Points VHF ALIGNMENT PROCEDURE AE LZB 119 1658 R1A 7...

Page 9: ...250 3 150 5000 CTCSS 250 3 HI OFF FIELD TEST PC PROGRAMMING TIME OUT TIMER OFF PRIORITY CHANNEL CH 1 DROP OUT DELAY 1 SEC SCAN ON BUSY CHANNEL LOCKOUT OFF TRANSISTOR VOLTAGE CHART VHF Q PIN NO RX V TX...

Page 10: ...2 INPUT 2 0 0 7 3 Vs1 3 0 0 3 6 Vcontrol 4 0 0 7 3 Vs2 5 7 5 7 5 Vs3 6 0 0 0 0 OUTPUT VOLTAGE CHART VHF IC502 PIN NO RX V TX V REMARKS 1 0 0 0 0 2 7 5 7 2 3 5 6 5 6 IC502 PIN NO RX V TX V REMARKS 1 2...

Page 11: ...BAL NOT ON MAIN PCB UNLOCK 0 0 0 0 CLOCK CLOCK LINE DATA DATA LINE PLL_EN 0 3 0 3 5V 5 0 5 0 Tx5 0 0 5 6 Rx5 5 5 0 0 VCO5 4 8 4 8 REF NO POLARITY RX V TX V REMARKS C23 5 5 0 0 C37 3 0 0 6 C53 0 0 0 0...

Page 12: ...EVIATION is not 700 Hz DEV 30 Hz back to STEP 5 7 CH1 MOD 1 kHz 100 mV RT202 CHECK 4 0 kHz DEV 0 05 kHz 8 CH4 NO MODULATION RT701 CHECK 700 Hz DEV 30 Hz Tone Freq 167 9 Hz POWER ADJUSTMENT TIME IS LES...

Page 13: ...F ALIGNMENT OF CTCSS 7 460 0500 CTCSS 250 3 461 0000 CTCSS 250 3 HI OFF ALIGNMENT OF CTCSS 8 460 0500 461 0000 LO 288 5 1433 4 ON CONFIRM OF 2 TONE TX LOW 9 438 0500 438 5000 LO ON TX LOW 10 469 9500...

Page 14: ...0 0 Q605 C 7 5 7 5 B 0 0 0 0 E 0 0 0 0 Q701 C 1 6 1 6 B 0 7 0 7 E 0 1 0 1 Q702 S 3 2 3 2 G 0 0 0 0 D 3 2 3 2 Q704 C 1 8 1 8 B 5 2 5 2 E 5 6 5 6 VOLTAGE CHART UHF IC001 PIN NO RX V TX V REMARKS 1 5 4...

Page 15: ...RITY RX V TX V REMARKS C23 5 5 0 0 C37 3 0 0 6 C53 0 0 0 0 C54 0 6 0 0 0 6 0 0 C55 9 0 0 9 C63 0 6 0 6 C64 0 8 0 8 C65 0 8 0 6 0 8 0 6 C507 0 0 0 6 C515 0 0 7 1 C530 5 5 5 5 C532 5 6 5 6 C602 7 5 7 2...

Page 16: ...6 0 001 B C227 2P CK C228 330P CH D201 HVU350 D202 HVU350 R201 3 9K R202 4 7K R203 330 R204 100 R205 220 R206 47K R208 1K R210 100 R211 3 9K R212 4 7K R213 330 R215 47K R218 1K Q201 2SC4226 R24 Q202 2...

Page 17: ...CH C208 7V10 T C 241 C216 35V0 1 T C 227 C217 330P CH C218 100P CH C220 330P CH D201 MA376 D202 MA366 R208 1K R210 100 R215 33K R216 0 R218 5 6K VCO BOARD UHF TOP VIEW E24 12267 Rev 1 L201 0 75uH LZ 1...

Page 18: ...211 330P CH C213 330P CH C214 22P CH C215 18P CH C222 10P CH C223 0 001 B C224 27P CH C225 15P CH C226 0 001 B C227 5P CH C228 330P CH C230 0 001 B Q201 2SC4226 R24 Q202 2SC4226 R24 Q203 DTC124XU Q204...

Page 19: ...B C312 0 001 B C314 0 001 B C316 0 1 B 2125 25V C317 7V4 7 T C 228 C322 7V4 7 T C 228 C323 47P CH C324 47P CH C325 47P CH Q303 2SC4177 L6 PLL BOARD UHF BOTTOM VIEW E24 12151 Rev 1 R301 680 R302 180 R...

Page 20: ...R317 39K F R322 1K R323 220 R333 0 1 8W TH301 DF 060 2K TH302 DF 060 2K X301 QX 513 12 8 MHz C306 47P CH C315 68P CH C318 10P CH C320 10P CH Q301 XN4601 D301 MA2S111 D306 RLS4148 IC301 MB1504LPF CT301...

Page 21: ...28 C311 0 001 B C312 0 001 B C314 0 001 B C316 0 1 B 2125 25V C317 7V4 7 T C 228 C322 16V2 2 T C 228 C323 47P CH C324 47P CH C325 47P CH C327 0 001 B D302 KV1430 D303 1SS226 D304 1SS226 D305 RLS4148 R...

Page 22: ...144 Rev 0 JUMPER BOARD UHF TOP VIEW E24 12145 Rev 0 C901 330P CH 1608 D901 HZK6C MC801 MK 480 JUMPER BOARD VHF TOP VIEW E24 12279 Rev 0 MC801 MK 480 JUMPER BOARD VHF BOTTOM VIEW E24 12280 Rev 0 C901 3...

Page 23: ...ASSEMBLIES MAIN BOARD VHF BOTTOM VIEW E23 12263 Rev 1 E22 12264 Rev 1 AE LZB 119 1658 R1A 22...

Page 24: ...ASSEMBLIES MAIN BOARD VHF TOP VIEW E23 12263 Rev 1 E22 12264 Rev 1 AE LZB 119 1658 R1A 23...

Page 25: ...MAIN BOARD UHF TOP VIEW E22 12167 Rev 1 E22 12166 Rev 1 ASSEMBLIES AE LZB 119 1658 R1A 24...

Page 26: ...ASSEMBLIES MAIN BOARD UHF BOTTOM VIEW E22 12165 Rev 1 E22 12163 Rev 1 AE LZB 119 1658 R1A 25...

Page 27: ...ANT BOARD VHF TOP VIEW E24 12281 Rev 1 ANT BOARD UHF TOP VIEW E24 12143 Rev 1 ASSEMBLIES J851 JK 848 J851 JK 848 AE LZB 119 1658 R1A 26...

Page 28: ...20 15P CH C121 7P CH C122 12P CH C123 27P CH C124 15P CH C125 5P CH C126 15P CH C127 15P CH C131 6P CH C132 6P CH C135 47P CH C136 22P CH 2125 RF BOARD UHF BOTTOM VIEW E24 12158 Rev 1 R101 18K R102 5...

Page 29: ...P CH C122 39P CH C123 33P CH C124 18P CH C125 47P CH C128 12P CH C130 12P CH C131 47P CH C132 22P CH R101 2 2K R102 68K R103 220 R104 10 R105 18 R106 56 R107 5 6 L101 0 056uH LZ 116 L102 0 064uH LZ 11...

Page 30: ...L401 15 3nH LZ 128 L402 0 027uH LZ 116 L403 0 33uH LZ 087 D401 HSM88WK D402 RLS135 D403 RLS135 FT401 FL 664 GLP402 C401 0 001 B C402 3P CJ C403 0 5P CK C404 0 5P CK C405 5P CH C408 0 001 B C410 0 001...

Page 31: ...ASSEMBLIES SWITCH BOARD UHF TOP VIEW E24 12150 Rev 1 SWITCH BOARD UHF TOP VIEW E24 12274 Rev 1 AE LZB 119 1658 R1A 30...

Page 32: ...0 064uH LZ 116 L403 0 68uH LZ 087 D401 HSM88WK D402 RLS135 D403 RLS135 C401 330P CH C402 15P CH C403 330P CH C405 27P CH C406 330P CH C407 10P CH C408 0 001 B C410 330P CH C411 7P CH C412 18P CH C413...

Page 33: ...3uH LZ 0087 L6 LF 0223 Q603 2SC4177 L6 Q604 2SC4177 L6 Q605 2SC4177 L6 Q606 2SC2714 Y RT1 10KB RT 0550 RT501 47KB RT 0550 RT601 470KB RT 0550 C13 39P CH C14 0 01 B C25 0 01 B 25V 2125 C26 270P CH C27...

Page 34: ...30P CH C523 330P CH C524 330P CH C525 330P CH C526 330P CH C527 330P CH C528 330P CH C530 7V 22 T C 0241 C531 330P CH C532 0 047 B 16V C533 7V 4 7 T C 0228 C534 0 001 B C600 0 01 B C601 0 001 B C602 1...

Page 35: ...C 0241 C703 0 0033 SL 2125 C704 100P CH C705 33P CH C716 7V 4 7 T C 0228 C718 16V 1 T C 0227 C721 430P CH 2125 C724 22P CH C726 820P CH 2125 C727 0 001 CH 2125 C729 0 1 B 25V 2125 C730 7V 15 T C 0284...

Page 36: ...C708 0 0047 CH 3216 C711 0 0047 CH 3216 C712 0 0047 CH 3216 C713 0 0047 CH 3216 C714 0 0047 CH 3216 C715 0 0047 CH 3216 C717 7V 4 7 T C 0228 C722 820P CH 2125 C723 0 001P CH 2125 C725 430P CH 2125 C72...

Page 37: ...UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNLESS OTHERWIS...

Page 38: ...RE INDICATED IN MICRO FARADS UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR S...

Page 39: ...UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNLESS OTHERWIS...

Page 40: ...SCHEMATIC DIAGRAMS PLL BOARD VHF E14 4495 Rev 1 AE LZB 119 1658 R1A 39...

Page 41: ...ASE REFER TO THE PARTS LIST FOR THE CHIP PARTS JUMPER BOARD UHF E14 4450 Rev 1 JUMPER BOARD VHF E14 4498 Rev 1 SCHEMATIC DIAGRAMS NOTES 1 CAPACITANCE VALUES ARE INDICATED IN MICRO FARADS UNLESS OTHERW...

Page 42: ...SCHEMATIC DIAGRAMS MAIN BOARD UHF E12 4452 Rev 0 AE LZB 119 1658 R1A 41...

Page 43: ...SCHEMATIC DIAGRAMS MAIN BOARD VHF E12 4492 Rev 0 AE LZB 119 1658 R1A 42...

Page 44: ...SCHEMATIC DIAGRAMS SUB BOARD UHF E13 4451 Rev 1 AE LZB 119 1658 R1A 43...

Page 45: ...SCHEMATIC DIAGRAMS SUB BOARD VHF E13 4497 Rev 1 AE LZB 119 1658 R1A 44...

Page 46: ...RO FARADS UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNLES...

Page 47: ...OTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNLESS OTHERWISE NOTED 6 ALL CAPA...

Page 48: ...ICRO FARADS UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNL...

Page 49: ...ICRO FARADS UNLESS OTHERWISE NOTED P MICRO MICRO FARAD 4 ALL CAPACITORS TEMPERATURE CHARAC TERISTICS ARE CH LESS THAN 1000PF OR B MORE THAN 1000PF UNLESS OTHERWISE NOTED 5 CAPACITOR SIZES ARE 1608 UNL...

Page 50: ...WIRING DIAGRAMS UHF E33 3698 Rev 1 AE LZB 119 1658 R1A 49...

Page 51: ...WIRING DIAGRAMS UHF SYNTHESIZER E33 3697 Rev 1 AE LZB 119 1658 R1A 50...

Page 52: ...WIRING DIAGRAMS VHF E33 3712 Rev 1 AE LZB 119 1658 R1A 51...

Page 53: ...WIRING DIAGRAMS VHF SYNTHESIZER E33 3711 Rev 1 AE LZB 119 1658 R1A 52...

Page 54: ...This page intentionally left blank AE LZB 119 1658 R1A 53...

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