Alignment and Adjustment ................................................................................................................................ 5
Mechanical Parts List....................................................................................................................................... 21
Electrical Parts List .......................................................................................................................................... 22
Semiconductor Lead Identification ................................................................................................................. 65
Microprocessor (IC306) Port Format............................................................................................................... 71
initialized to defaults. Press any key. Then press
any key.
The scanner shows Initializing the File system
then File system initialized to defaults. Press any
key. Then press any key.
The scanner initializes the working memory.
Note: This procedure clears all information you
stored in the scanner's working memory.
10
Page 11
Audio Section
No audio
Is
there any audio at pin 6
of IC12?
YES
Does
5 V exist at IC12
pin 7?
YES
NO
Is
there any audio at
IC8 Pin 1?
YES
Defective IC10, Q32 and/or
associated circuit.
NO
Defective IC11 and/or R167.
NO
Defective IC8, IC10 and/or
associated circuits.
Defective IC12 and/or
associated circuit.
11
Page 12
Microprocessor Check
Power ON.
NO
Defective key contact or
CPU Pin 47-52, Pin 55-
59, Pin 61.
Does the display
work properly?
YES
Does the key entry
work properly?
YES
IC307 is OK.
NO
Does
3.3 volts exist at IC307
pin 14 and 60?
YES
Does 3.3 volts exist
at IC307 pin 17.
NO
Defective IC13
and/or associated
circuit.
NO
YES
Is the clock
oscillation normal at pin
11 of IC307?
YES
Defective IC307, LCD
and/or associated
circuit.
12
Defective IC303
and/or associated
circuits.
NO
Defective X301 and/
or associated
circuits of IC307.
Page 13
DSP Section (Boot Section)
Power ON
Does the
scanner's display freeze showing
Waiting for DSP?
YES
Defective IC313, IC311, and/or associated
circuits.
When IC311 (Flash Memory) is replaced,
a one which is loaded with the software
must be used. "APP F1.1/VOC F1.0" is
labeled on the package of IC311 if the
software is preloaded.
Note: If the software of the CPU is
updated, the software of IC311 might
need to be changed. Pay attention to the
information from the manufacturer.
NO
Does display
freeze showing DSP
Loader.... DSP Boot: FX .X
at power on?
YES
Is voltage
okay on LC305 (3.5V),
LC303 (3.5V), LC304 (1.5V),
and IC211-Pin 29
(1.8V).
YES
NO
DSP boot section
is OK.
NO
Defective IC309,
IC308, LC305,
LC303, or LC304.
Is the
clock oscillation okay on
X302 (18.432 MHz).
YES
Defective IC310, IC311, IC312,
R376, R419, R420, R483, R485.
R488, or other associated
components. Or, defective IC307
(CPU).
13
NO
Defective IC310,
X302, C409,
C410.
Page 14
DSP Section (Digital Audio, etc.)
Receive a frequency with FM
mode, in tune mode. (Tune
mode turns on digital
decode.)
Is voltage
okay on IC313-pin 2 (3.3 V), and
IC313-pin 29 (1.8 V).
YES
Is receive
audio present on IC313
pin 19?
YES
Are square
waves on IC313 pins 4, 5,
6, and 28?
YES
Is digital
audio (voice) on IC313
pin 10 when recieving
IMBE?
YES
NO
NO
NO
NO
Defective IC309, or LC305.
Defective IC8, R337, C422
and/or associated circuit.
If IC313 pin 24 is high (3.3V),
and pin 25 has a 10s of MHz
sine wave, defective IC313
and/or associated circuit.
Defective IC8, IC9, IC12,
speaker, and/or associated
circuit.
Also check that IC310 pin 27
goes low when receiving
IMBE, and IC307 pin 69 goes
high when receivng IMBE.
Defective IC313.
14
Page 15
LinearPCB
PRINTEDCIRCUITBOARD
15
TopView
Page 16
16
BottomView
Page 17
Page 18
Page 19
WIRINGDIAGRAM
19
Page 20
EXPLODED VIEW for 20-106
To remove the rear case assembly,
unscrew four sc rews 18 .
or 36A550-8B
Wire Housing AssemblyItem No. 1
Hardware Kit#0801(B)
17 Screw, B P-tight 2x5 BLK Zn Bind P tight 2x5 BLK Zn
18 Screw, P P-tight 2.6x25 Zn P tight 2.6x25 Zn
19See Electrical Parts List on Page 22.
20-25See Electrical Parts List on Page 44.
26See Electrical Parts List on Page 45.
27-28See Electrical Parts List on Page 64.
21
Page 22
ELECTRICAL PARTS LIST
Ref. No.DescriptionRS Part No.Mfr's Part No.
19Assembly, PCB, LinearGA-08D-0020
Consists of the following:
Capacitors
C1Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C2Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C3Ceramic3 pF50 V±0.25 pFECJ0EC1H030C
or CM05CH3R0C50AH
or GRM1555C1H3R0CZ01D
C4Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C5Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C6Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C7Ceramic5 pF50 V±0.25 pFECJ0EC1H5R0C
or CM05CH5R0C50AH
or GRM1555C1H5R0CZ01D
C8Ceramic3 pF50 V±0.25 pFECJ0EC1H030C
or CM05CH3R0C50AH
or GRM1555C1H3R0CZ01D
C9Ceramic5 pF50 V±0.25 pFECJ0EC1H5R0C
or CM05CH5R0C50AH
or GRM1555C1H5R0CZ01D
C10Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
C11Ceramic0.047 μF10 V±10%ECJ0EB1A473K
or ±5% or CM05B473J10AH
or ±10% or GRM155R71A473KA01D
C12Ceramic0.001 μF50 V±10%ECJ0EB1H102K
or ±5% or CM05B102J50AH
or ±10% or GRM155R71H102KA01D
or 1SS355TE-17 or 1SS355TE-17
D23HSC277-TR-F-ESiliconHSC277-TR-F-E
D24HSC277-TR-F-ESiliconHSC277-TR-F-E
D25HSC277-TR-F-ESiliconHSC277-TR-F-E
D26HSC277-TR-F-ESiliconHSC277-TR-F-E
D271SS357(TPH3,F)Marked S3Silicon1SS357(TPH3,F)
or 1SS355F-TE17 or 1SS355F-TE17
D281SS357(TPH3,F)Marked S3Silicon1SS357(TPH3,F)
or 1SS355F-TE17 or 1SS355F-TE17
D29HVU300A-TR-U-EMarked OSiliconHVU300A-TR-U-E
D30HVU300A-TR-U-EMarked OSiliconHVU300A-TR-U-E
D31HVU300A-TR-U-EMarked OSiliconHVU300A-TR-U-E
D32HVU17-TR-U-EMarked ESiliconHVU17-TR-U-E
D33HVU17-TR-U-EMarked ESiliconHVU17-TR-U-E
D34HSC277-TR-F-ESiliconHSC277-TR-F-E
D35HSC277-TR-F-ESiliconHSC277-TR-F-E
D36HSC277-TR-F-ESiliconHSC277-TR-F-E
D37HSC277-TR-F-ESiliconHSC277-TR-F-E
D381SS355F-TE17Marked ASilicon1SS355F-TE17
or 1SS355TE-17 or 1SS355TE-17
D39FM4003-TSiliconFM4003-T
or FM4004-T or FM4004-T
D40RB060L-40TE25Marked 36SiliconRB060L-40TE25
or TC74VHC164FT-EL or TC74VHC164FT-EL
IC2μPC2757TB-E3-A1st MixerMOSSMTμPC2757TB-E3-A
or μPC2757TB or μPC2757TB
IC3NJM2406F-TE1(pbF)DetectorBipolarSMTNJM2406F-TE1(pbF)
IC4MB15F07SLPFV1-BND-EF-6E1PLL, MOSSMTMB15F07SLPFV1-BND-EF-6E1
or MB15F07SLPFV1-BND or MB15F07SLPFV1-BND
IC5TK11819MTL-GDC-DC Converter BipolarSMTTK11819MTL-G
or TK11819MTL or TK11819MTL
IC6NJM2904V-TE1(pbF)Noise Amp.BipolarSMTNJM2904V-TE1(pbF)
IC7TK10931V-TL-G3rd IF Amp./3rd Local Mixer/Quad.TK10931V-TL-G
or TK10931V-TLBipolarSMT or TK10931V-TL
IC8NJM13404V-TE1(pbF)Buffer/Pre Amp.BipolarSMTNJM13404V-TE1(pbF)
IC9TC74HC4066AFT(EL),(F) SwitchingMOSSMTTC74HC4066AFT(EL),(F)
or TC74HC4066AFT(EL) or TC74HC4066AFT(EL)
or TC74HC4066AFS-TE1608 or TC74HC4066AFS-TE1608
IC10TC74HC4066AFT(EL),(F) Mute/SwitchingMOSSMTTC74HC4066AFT(EL),(F)
or TC74HC4066AFT(EL) or TC74HC4066AFT(EL)
or TC74HC4066AFS-TE1608 or TC74HC4066AFS-TE1608
IC11BA05FP-E2Voltage Regulator BipolarSMTBA05FP-E2
or BA05CC0FP-E2 or BA05CC0FP-E2
IC12NJM2070M-TE1(pbF)Audio Amp.BipolarSMTNJM2070M-TE1(pbF)
IC13AN77033SP-E1Voltage Regulator BipolarSMTAN77033SP-E1
IC14TK11233CUCB-GRegulator Switching, BipolarSMTTK11233CUCB-G
or UN5214-TXMarked 8D or UN5214-TX
Q6UMD2N-TRMarked D2PNP/NPNUMD2N-TR
Q72SC4094(R38)-T2B-AMarked R38NPN2SC4094(R38)-T2B-A
or 2SC4094(R38)-T2B or 2SC4094(R38)-T2B
Q82SC4116-Y(TE85L,F)Marked LYNPN2SC4116-Y(TE85L,F)
or 2SC4116(Y)-TE85L or 2SC4116(Y)-TE85L
Q92SC4250(TE85L,F)Marked HENPN2SC4250(TE85L,F)
or 2SC4250-TE85L or 2SC4250-TE85L
Q102SC4215-O(TE85L,F)Marked QONPN2SC4215-O(TE85L,F)
or 2SC4215(O)-TE85L or 2SC4215(O)-TE85L
or 2SC4215(O)-TE85LF or 2SC4215(O)-TE85LF
Q112SC4116-GR(TE85L,F)Marked LGNPN2SC4116-GR(TE85L,F)
or 2SC4116(GR)-TE85L or 2SC4116(GR)-TE85L
Q12DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q13DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
33
Page 34
Ref. No.DescriptionRS Part No.Mfr's Part No.
Q14DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q152SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q162SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q17DTA114EUA-T106Marked 14PNPDTA114EUA-T106
Q18DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q192SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q202SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q21DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q222SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q23DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q242SC4226(R25)T2B-AMarked R25NPN2SC4226(R25)T2B-A
or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B
Q252SC4116-GR(TE85L,F)Marked LGNPN2SC4116-GR(TE85L,F)
or 2SC4116(GR)-TE85L or 2SC4116(GR)-TE85L
Q262SK880-Y(TE85L,F)Marked XYMOSFET2SK880-Y(TE85L,F)
or 2SK880(Y)-TE85L or 2SK880(Y)-TE85L
Q272SK880-Y(TE85L,F)Marked XYMOSFET2SK880-Y(TE85L,F)
or 2SK880(Y)-TE85L or 2SK880(Y)-TE85L
Q282SC4116-GR(TE85L,F)Marked LGNPN2SC4116-GR(TE85L,F)
or 2SC4116(GR)-TE85L or 2SC4116(GR)-TE85L
Q29MT3S16U-(TE85L,F)Marked T4NPNMT3S16U-(TE85L,F)
or MT3S16U-TE85L or MT3S16U-TE85L
or KTC4082 or KTC4082
or 2SC4251-TE85L or 2SC4251-TE85L
or 2SC4251(TE85L,F) or 2SC4251(TE85L,F)
Q302SC4251(TE85L,F)Marked HFNPN2SC4251(TE85L,F)
or 2SC4251-TE85L or 2SC4251-TE85L
or KTC4082 or KTC4082
Q31DTA114EUA-T106Marked 14PNPDTA114EUA-T106
Q32DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q33DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Q342SD2118-TLNPN2SD2118-TL
Q352SC4117-GR(TE85L,F)Marked DGNPN2SC4117-GR(TE85L,F)
or 2SC4117(GR)-TE85L or 2SC4117(GR)-TE85L
Q36DTC114YUA-T106Marked 64NPNDTC114YUA-T106
or UN5214-TXMarked 8D or UN5214-TX
Resistors
R1Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R2Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R3Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R4Chip, Metal Glaze27 ohm±5%1/16 WRK73B1ETTP270
or CR05-270J-H
or ERJ2GEJ270X
34
Page 35
Ref. No.DescriptionRS Part No.Mfr's Part No.
R5Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R6Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R7Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R8Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R9Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R10Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R11Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R12Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R13Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R14Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R15Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R16Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R17Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R18Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R19Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R20Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R21Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R22Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R23Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R24Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R25Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
35
Page 36
Ref. No.DescriptionRS Part No.Mfr's Part No.
R26Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R27Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R28Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R29Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R30Chip, Metal Glaze15 kohm±5%1/16 WRK73B1ETTP153J
or CR05-153J-H
or ERJ2GEJ153X
R31Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R32Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R33Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R34Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R35Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R36Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R37Chip, Metal Glaze33 kohm±5%1/16 WRK73B1ETTP333J
or CR05-333J-H
or ERJ2GEJ333X
R38Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R39Chip, Metal Glaze10 kohm5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R40Chip, Metal Glaze470 ohm±5%1/16 WRK73B1ETTP471J
or CR05-471J-H
or ERJ2GEJ471X
R41Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R42Chip, Metal Glaze180 kohm±5%1/16 WRK73B1ETTP184J
or CR05-184J-H
or ERJ2GEJ184X
R43Chip, Metal Glaze68 kohm±5%1/16 WRK73B1ETTP683J
or CR05-683J-H
or ERJ2GEJ683X
R44Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R45Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R46Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
36
Page 37
Ref. No.DescriptionRS Part No.Mfr's Part No.
R47Chip, Metal Glaze56 kohm±5%1/16 WRK73B1ETTP563J
or CR05-563J-H
or ERJ2GEJ563X
R48Chip, Metal Glaze47 kohm±5%1/16 WRK73B1ETTP473J
or CR05-473J-H
or ERJ2GEJ473X
R49Chip, Metal Glaze560 kohm±5%1/16 WRK73B1ETTP564J
or CR05-564J-H
or ERJ2GEJ564X
R50Chip, Metal Glaze1 kohm±5%1/16 WRK73B1ETTP102J
or CR05-102J-H
or ERJ2GEJ102X
R51Chip, Metal Glaze1 kohm±5%1/16 WRK73B1ETTP102J
or CR05-102J-H
or ERJ2GEJ102X
R52Chip, Metal Glaze1.8 kohm±5%1/16 WRK73B1ETTP182J
or CR05-182J-H
or ERJ2GEJ182X
R53Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R54Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R55Chip, Metal Glaze12 kohm±5%1/16 WRK73B1ETTP123J
or CR05-123J-H
or ERJ2GEJ123X
R56Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R57Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R58Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R59Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R60Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R61Chip, Metal Glaze68 kohm±5%1/16 WRK73B1ETTP683J
or CR05-683J-H
or ERJ2GEJ683X
R62Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R63Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R64Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R65Chip, Metal Glaze68 kohm±5%1/16 WRK73B1ETTP683J
or CR05-683J-H
or ERJ2GEJ683X
R66Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R67Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
37
Page 38
Ref. No.DescriptionRS Part No.Mfr's Part No.
R68Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R69Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R70Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R71Chip, Metal Glaze1 Mohm±5%1/16 WRK73B1ETTP105J
or CR05-105J-H
or ERJ2GEJ105X
R72Chip, Metal Glaze3.3 kohm±5%1/16 WRK73B1ETTP332J
or CR05-332J-H
or ERJ2GEJ332X
R73Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R74Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R75Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R76Chip, Metal Glaze6.8 kohm±5%1/16 WRK73B1ETTP682J
or CR05-682J-H
or ERJ2GEJ682X
R77Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R78Chip, Metal Glaze47 ohm±5%1/16 WRK73B1ETTP470J
or CR05-470J-H
or ERJ2GEJ470X
R79Chip, Metal Glaze330 ohm±5%1/16 WRK73B1ETTP331J
or CR05-331J-H
or ERJ2GEJ331X
R80Chip, Metal Glaze47 ohm±5%1/16 WRK73B1ETTP470J
or CR05-470J-H
or ERJ2GEJ470X
R81Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R82Chip, Metal Glaze6.8 kohm±5%1/16 WRK73B1ETTP682J
or CR05-682J-H
or ERJ2GEJ682X
R83Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R84Chip, Metal Glaze150 ohm±5%1/16 WRK73B1ETTP151J
or CR05-151J-H
or ERJ2GEJ151X
R85Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R86Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R87Chip, Metal Glaze470 ohm±5%1/16 WRK73B1ETTP471J
or CR05-471J-H
or ERJ2GEJ471X
R88Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
38
Page 39
Ref. No.DescriptionRS Part No.Mfr's Part No.
R89Chip, Metal Glaze47 ohm±5%1/16 WRK73B1ETTP470J
or CR05-470J-H
or ERJ2GEJ470X
R90Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R91Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R92Chip, Metal Glaze3.3 kohm±5%1/16 WRK73B1ETTP332J
or CR05-332J-H
or ERJ2GEJ332X
R93Chip, Metal Glaze6.8 kohm±5%1/16 WRK73B1ETTP682J
or CR05-682J-H
or ERJ2GEJ682X
R94Chip, Metal Glaze1.5 kohm±5%1/8 WRK73B2ATTD152J
or CR21-152J-T
or ERJ6GEYJ152V
R95Chip, Metal Glaze1 kohm±5%1/8 WRK73B2ATTD102J
or CR21-102J-T
or ERJ6GEYJ102V
R96Chip, Metal Glaze3.3 kohm±5%1/8 WRK73B2ATTD332J
or CR21-332J-T
or ERJ6GEYJ332
R97Chip, Metal Glaze3.3 kohm±5%1/8 WRK73B2ATTD332J
or CR21-332J-T
or ERJ6GEYJ332
R98Chip, Metal Glaze39 kohm±5%1/16 WRK73B1ETTP393J
or CR05-393J-H
or ERJ2GEJ393X
R99Chip, Metal Glaze3.3 kohm±5%1/16 WRK73B1ETTP332J
or CR05-332J-H
or ERJ2GEJ332X
R100Chip, Metal Glaze1.5 kohm±5%1/16 WRK73B1ETTP152J
or CR05-152J-H
or ERJ2GEJ152X
R101Chip, Metal Glaze470 ohm±5%1/16 WRK73B1ETTP471J
or CR05-471J-H
or ERJ2GEJ471X
R102Chip, Metal Glaze470 ohm±5%1/16 WRK73B1ETTP471J
or CR05-471J-H
or ERJ2GEJ471X
R103Chip, Metal Glaze470 ohm±5%1/16 WRK73B1ETTP471J
or CR05-471J-H
or ERJ2GEJ471X
R104Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R105Chip, Metal Glaze15 kohm±0.5%1/16 WERA2AED153X
R106Chip, Metal Glaze6.8 kohm±0.5%1/16 WERA2AED682X
R107Chip, Metal Glaze100 ohm±0.5%1/16 WERA2AED101X
R108Chip, Metal Glaze470 ohm±0.5%1/16 WERA2AED471X
R109Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
R110Chip, Metal Glaze150 okohm±5%1/16 WRK73B1ETTP154J
or CR05-154J-H
or ERJ2GEJ154X
R111Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R112Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
or CR05-221J-H
or ERJ2GEJ221X
39
Page 40
Ref. No.DescriptionRS Part No.Mfr's Part No.
R113Chip, Metal Glaze47 ohm±5%1/16 WRK73B1ETTP470J
or CR05-470J-H
or ERJ2GEJ470X
R114Chip, Metal Glaze1 kohm±5%1/16 WRK73B1ETTP102J
or CR05-102J-H
or ERJ2GEJ102X
R115Chip, Metal Glaze3.3 kohm±5%1/16 WRK73B1ETTP332J
or CR05-332J-H
or ERJ2GEJ332X
R116Chip, Metal Glaze470 kohm±5%1/16 WRK73B1ETTP474J
or CR05-474J-H
or ERJ2GEJ474X
R117Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R118Chip, Metal Glaze27 kohm±5%1/16 WRK73B1ETTP273J
or CR05-273J-H
or ERJ2GEJ273X
R119Chip, Metal Glaze27 kohm±5%1/16 WRK73B1ETTP273J
or CR05-273J-H
or ERJ2GEJ273X
R120Chip, Metal Glaze82 kohm±5%1/16 WRK73B1ETTP823J
or CR05-823J-H
or ERJ2GEJ823X
R121Chip, Metal Glaze33 kohm±5%1/16 WRK73B1ETTP333J
or CR05-333J-H
or ERJ2GEJ333X
R122Chip, Metal Glaze82 kohm±5%1/16 WRK73B1ETTP823J
or CR05-823J-H
or ERJ2GEJ823X
R123Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R124Chip, Metal Glaze1.5 Mohm±5%1/16 WRK73B1ETTP155J
or CR05-155J-H
or ERJ2GEJ155X
R125Chip, Metal Glaze1 kohm±5%1/16 WRK73B1ETTP102J
or CR05-102J-H
or ERJ2GEJ102X
R126Chip, Metal Glaze1 kohm±5%1/16 WRK73B1ETTP102J
or CR05-102J-H
or ERJ2GEJ102X
R127Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R128Chip, Metal Glaze6.8 kohm±5%1/16 WRK73B1ETTP682J
or CR05-682J-H
or ERJ2GEJ682X
R129Chip, Metal Glaze220 kohm±5%1/16 WRK73B1ETTP224J
or CR05-224J-H
or ERJ2GEJ224X
R130Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R131Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R132Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R133Chip, Metal Glaze47 kohm±5%1/16 WRK73B1ETTP473J
or CR05-473J-H
or ERJ2GEJ473X
40
Page 41
Ref. No.DescriptionRS Part No.Mfr's Part No.
R134Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R135Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R136Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R137Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R138Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R139Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R140Chip, Metal Glaze47 kohm±5%1/16 WRK73B1ETTP473J
or CR05-473J-H
or ERJ2GEJ473X
R141Chip, Metal Glaze470 kohm±5%1/16 WRK73B1ETTP474J
or CR05-474J-H
or ERJ2GEJ474X
R142Chip, Metal Glaze33 kohm±5%1/16 WRK73B1ETTP333J
or CR05-333J-H
or ERJ2GEJ333X
R143Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R144Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R145Chip, Metal Glaze47 kohm±5%1/16 WRK73B1ETTP473J
or CR05-473J-H
or ERJ2GEJ473X
R146Chip, Metal Glaze68 kohm±5%1/16 WRK73B1ETTP683J
or CR05-683J-H
or ERJ2GEJ683X
R147Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R148Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R149Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R150Not used.
R151Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R152Chip, Metal Glaze15 kohm±5%1/16 WRK73B1ETTP153J
or CR05-153J-H
or ERJ2GEJ153X
R153Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R154Chip, Metal Glaze12 kohm±5%1/16 WRK73B1ETTP123J
or CR05-123J-H
or ERJ2GEJ123X
R155Chip, Metal Glaze8.2 kohm±5%1/16 WRK73B1ETTP822J
or CR05-822J-H
or ERJ2GEJ822X
41
Page 42
Ref. No.DescriptionRS Part No.Mfr's Part No.
R156Chip, Metal Glaze100 ohm±5%1/16 WRK73B1ETTP101J
or CR05-101J-H
or ERJ2GEJ101X
R157Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R158Chip, Metal Glaze12 kohm±5%1/16 WRK73B1ETTP123J
or CR05-123J-H
or ERJ2GEJ123X
R159Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R160Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R161Chip, Metal Glaze56 kohm±5%1/16 WRK73B1ETTP563J
or CR05-563J-H
or ERJ2GEJ563X
R162Chip, Metal Glaze39 kohm±5%1/16 WRK73B1ETTP393J
or CR05-393J-H
or ERJ2GEJ393X
R163Chip, Metal Glaze100 kohm±5%1/16 WRK73B1ETTP104J
or CR05-104J-H
or ERJ2GEJ104X
R164Chip, Metal Glaze10 kohm±5%1/16 WRK73B1ETTP103J
or CR05-103J-H
or ERJ2GEJ103X
R165Chip, Metal Glaze2.2 kohm±5%1/16 WRK73B1ETTP222J
or CR05-222J-H
or ERJ2GEJ222X
R166Chip, Metal Glaze4.7 kohm±5%1/16 WRK73B1ETTP472J
or CR05-472J-H
or ERJ2GEJ472X
R167Chip, Metal Glaze1 ohm±5%1/8 WRK73B2ATTD1R0J
or CR21-1R0J-T
or ERJ6GEYJ1R0V
R168Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R169Chip, Metal Glaze270 kohm±5%1/16 WRK73B1ETTP274J
or CR05-274J-H
or ERJ2GEJ274X
R170Chip, Metal Glaze1 ohm±5%1/10 WRK73B1JTTD1R0J
or CR10-1R0J-T
or ERJ3GEYJ1R0V
R171Chip, Metal Glaze68 ohm±5%1/4 WRK73B2BTTD680J
or CR32-680J-T
or ERJ8GEYJ680V
R172Chip, Metal Glaze470 ohm±5%1/4 WRK73B2BTTD471J
or CR32-471J-T
or ERJ8GEYJ471V
R173Chip, Metal Glaze22 kohm±5%1/16 WRK73B1ETTP223J
or CR05-223J-H
or ERJ2GEJ223X
R174Chip, Metal Glaze4.12 ohm±1%1/2 WRK73H2ETTD4R12F
or RK73H2ETD4R12F
R175Chip, Metal Glaze2.2 kohm±5%1/10 WRK73K1JTTD222J
or CR10-222J-T
or ERJ3GEYJ222V
R176Chip, Metal Glaze220 ohm±5%1/16 WRK73B1ETTP221J
IC308NJM2871BF15-TE1-(pbF) Voltage Regulator BipolarSMTNJM2871BF15-TE1-(pbF)
or NJM2871BF15-TE1 or NJM2871BF15-TE1
IC309NJM2871BF18-TE1-(pbF) Voltage Regulator BipolarSMTNJM2871BF18-TE1-(pbF)
or NJM2871BF18-TE1 or NJM2871BF18-TE1
IC310TMS320VC5409APGE12 DSP ProcessorMOSSMTTMS320VC5409APGE12
IC311TC58FVT160ATG70(YP)Flash MemoryMOSSMTTC58FVT160ATG70(YP)
or TC58FVT160AFT-70 or TC58FVT160AFT-70
IC312HD74LV595ATELL-EShift RegistorMOSSMTHD74LV595ATELL-E
IC313TLV320AIC13CDBTCODECMOSSMTTLV320AIC13CDBT
IC314TK11233CUCB-GRegulator, SwitchingBipolarSMTTK11233CUCB-G
14VCC148Keyboard input81SQ1 input
15NC (Pull up)49Keyboard input82AM Narrow Filter Select output
16NC (Pull down)50Keyboard input833rd OSC Control B output
17Hold input51Keyboard input84Mute output
18Alert Tone output52Keyboard input85Select AM Audio output
19LCD RS output53DSP Sleep output863rd OSC Control A output
20Beep Tone output54DSP Wake output87Signal Sweeper Scan Control output
21LCD CSB output55Keyboard output88Tri-Color LED output
22Beep Tone output56Keyboard output89Tri-Color LED output
23LCD SI output57Keyboard output90Tri-Color LED output
24LCD SCL output58Keyboard output91Tri-Color LED output
25LCD Reset output59Keyboard output92Low Battery Voltage A/D input
26LCD Back Light output60VCC293Zeromatic Voltage A/D input
27WX Same Data input61Keyboard output94AVSS
28Key Back Light output62VSS95RSSI A/D input
29PC/IF output63DSP-LD RX-DG input96V REF
30PC/IF input64External On input97AVCC
31NC (Pull down)65Battery Charge output98Pocket/Mobile Select input
32NC66Hiss Reduction output99NC (Pull up)
33PC/IF output67NBFM Audio + 6 dB output100EEPROM SCL output
34PC/IF input
71
Page 72
C1
J1
0.001
L1 1uH
DTA114EUA(14)
1.0
R3 4.7k
03.26
D1, 2 HVU131(P1)
D1 D2
R1
R2
100C20.001
100
R4 27
D3
HSC277
4.7k
R6
Q1
3.28
0
0 3.25
0 3.25
SCHEMATIC DIAGRAM for 20-106 (Linear Section)
D4-8 HSC277
0
0.76
2.63
C6
D4
0.001
3p
C3
R5 4.7k
C4 0.001
D5
D7D8
R8
R7 4.7k
C10
0
2.87
C5 0.001
D9
2.2k
R11
C19
0.001
0
2.87
D12
2.2k
R14
C25
0.001
2.87
C28
D15
2.2k
R17
C33
0.001
0
2.87
D17
2.2k
R20
C41
0.001
2.2k
0.001
764-1300 MHz
D9-11 HSC277
C14
C13
6p
22p
L4 8.2nH
C20
406-512 MHz
D12-14 HSC277
C22
5p
L8 47nH
C26
D15, 16 HSC277
C29
33p
22p
56nH
L10
D17, 18 HSC277
C36
C37
180p
180p
L13
0.22uH
C42
0
3.26
C7
5p
C1982pL2
C11
0.047
BAND 5
C157pL6
L5 8.2nH
0.047
BAND 4
C23
5p
0.047
BAND 3
225-406 MHz
L11
82nH
C30 10p
C34
0.047
BAND 2
108-225 MHz
0.22uH
C38 68p
0.047
BAND 1
25-54MHz
C83pC9
3.9nH
R10
18nHL718nH
R13
220
R16
220
R19
220
L14
C39
R22
220
003.26
0.047
Vcc
IC1
1A2B3QA4QB5QC6QD7
R24
2.2k
10QE11QF12QG13QH14
C44
3.24
3.25
5p
3.9nH
L3
220
C16 2p
C17 12p
L9
47nH
C24 5p
L12
82nH
C31 15p
L15
0.22uH
120p
8CL9
CLR
GND
or TC74VHC164FT
47p
C46
2.45
R9
2.2k
0
2.7
D10 D11
0
2.7
D13
2.46
C32 10p
C40 68p
R23
2.2k
HD74AC164T
0
0
D6
C12
0.001
2.2k
R12
C21
0.001
Q2
UMD2N(D2)
3
2
16
2SC4094(R38)
0.71
0.78
C482pC49
3p
L16
RF AMP 2
764-1300 MHz
4
22k
5
R25
R28
Q3
0
2.43
15k
2SC4226(R25)
R30
2LNO-255
C54
0.001
D14
2SC4116(LY)
47p
R32 4.7k
0
R31 22k
1.38
0
0
Q8
Q6
UMD2N(D2)
3
2
16
C56
0.001
4.7k
R33
0.64
R73
10k
D29
R81
10k
D30
C57
5p
C58
D22
1SS355(A)
L23
2LNO-254
HVU300A(0)
L24
2LNO-255
HVU300A(0)
4
5
L20
15nH
R34
1.42
1.32
C100
1p
100
R36
R35
4.7k
100k
C93
220p
C99
47p
1.44
1.26
C101
100p
2.42
C59
0.001
C60
R74
0.001
DTC114YUA(64)
2.2k
R15
C27
0.001
D16
2.2k
R18
C35
0.001
0
2.46
D18
2.2k
R21
C43
0.001
C45
0
3.13
0.001
C47
0
R26 10k
100
1.34
L17
C51
12nH
5p
Q4
C50
0
0.001 R37
4.7k
22p
33k
R29 10k
C199
Q5
DTC114YUA(64)
3.18
0
C200
0.001
R38 220
C61
100p
D20
HSC277
Q7
2SC4094(R38)
0.76
0.7
33/10
C62
RF AMP 1
25-512 MHz
R76
R78
6.8k
L19
Q20
15p
C94
8p
R75 10k
C95
0.75
1.81
Q21
DTC114YUA(64)
R82 6.8k
12p
C102
5p
R83 10k
C103
R84
Q23
1 Signal Stalker Scan
3 Select AM Audio("L"=AM On)
5 Mute
7 AM (Narrow) Filter Select
9 SQ in
11 Vdd 6V
13 VDD 3.3V
15 Sift Resittor A
17 PLL LD
19 Select FM Audio
21 GND
23 RSSI OUT
25 Select DG Audio
27 AF Level Cont.
12nH
12p
HSC277
R77 220
47
R79 330
Q22
C104
150
R39
C97
C98
2p
2.05
R27 4.7k
1.19
D19
HSC277
C52
0.001
C53
10k
D21
R40
C96
220/6.3
2SC4226(R25)
VCO 1
25-174 MHz
0.001
764-960 MHz
3p
2.44
2SC4226(R25)
C105 0.001
R85
100
1.0
0.56
VCO 2
216-512 MHz
1240-1300 MHz
6
IC2
1234
3p L18
C55
470
Q20
R80 47
1.13
Q22,Q24
5
4LNB-250
3p
R86
100k
Q24
C64
XF1
0.001
C63
0.001
uPC2757TB
1.21
1.51
TH1
0.1
0
C73
0.001
Q14
DTC114YUA(64)
3.27
C108
100p
47
R89
470
R87
0.001
C107
2.34
C109 100p
C106
100p
220
R88
0.42
C115
2 PLL LE
4 PLL Data
6 PLL Clock
8 P/Save Control
10 Signal Stalker Search
12 Signal Stalker SQ "SQ2"
14 Signal Stalker Cont.
16 Sift Resittor CLK
18 OSC Cont. A
20 Tone Out
22 OSC Cont. B
24 Voice Out ( To codec IC )
26 IF in
28 GND
30 /Battery Charge29 /External On
380.8MHz
R41 220
0.77
C74
0.001
100
D23
HSC277
Signal Stalker Search
L25
100uH
C110
4
1
X1
TCXO 12.75MHz
TP1
C116
0.0022
R92
3.3k
14.7
0.0033(M)
Q25
2SC4116(LG)
TP2
R42 180k
0.74
C65
0.001
2SC4250(HE)
DTC114YUA(64)
68p
C75
R56
1.5p
C77
10k
39p
C76
T2
5SSI-403T35SSI-403
3.26
0.001
C111
100p
C112
100p
0.57
23
1.35
R91
22k
C117
0.033(M)
R93
6.8k
R94
0.6
CN1
3.2
R45 220
22k
R46
C66
220
R44
R43 68k
Q9
1.06
Q13
10k
R57
C79
39p
0.001
C78
10k
R58
IC4
MB15F07SLPFV1-
1
GND2
2
OSCin
3
GND1
4
fin1
5
Vcc1
6
LD/fout
0.1
7
C113
PS1
8
Do19Do2
33p
R90
4.7k
C114
D
G
S
1.5k
2SK880(XY)
Q26
2SK880(XY)
1k
R95
6
4
2
3
5791113 15 17
1
T1
5SSI-403
33p
C67
0.001
C68
0.001
0.73
R47 56k
C69
0.001
Signal Stalker Scan
03.28
R62
C83
0.047
C80
0.001
D24-D26
HSC277
D24
D25
R60
0
D26
0.01
C81
R59
100k
Clock
Data
LE
fin2
Vcc2
Xfin2
PS2
1.0
R100
C118
0.047(M)
D
G
Q27
S
R96
3.3k
R97
3.3k
12
10
8
C82
0.01
10k
G-BND
16
15
14
13
12
11
10
1.5k
1.19
0.59
2.27
L21
R61
68k
Q15
2SC4226(R25)
3.23
C121
0.001
R98
39k
14
C84
1uH
DTC114YUA(64)
C123
100p
0.1
C122
3.3k
R99
C119
0.01
2.05
Q28
2SC4116(LG)
18
16
R49
47k
R48
R63
100
56p
C86
0.01
2SC4226(R25)
Q18
R101-R103 470
C124-C126 47p
R101
R102
R103
L26
R104 10k
C120
7.79
20
19
C85
TP3
560k
2LNO-256
D31
0.01
100
0.001
R65
68k
Q16
R66
C130
22p
22
21 23
1k
R50
0
22k
2SC4226(R25)
C124
R106 6.8k
R105 15k
HVU300A(0)
47
R113
C135
1000/16
24
C70
1.76
Q10
2SC4215(QO)
0
C88
R64
100
L22
22uH
C87
0.01
0
C125
C126
Q29
15p
C131
7p
R108
C132
MT3S16U(T4)
GR-D864
L27
7.77
C136
33/35
26
25
0.001
R51 1k
DTA114EUA(14)
0.047
D27,D28
1SS357(S3)
D28
D27
Q19
Signal Stalker Cont.
100
R107
2.951.93
C133
C134
5p
470
1.38
TK11819M
1
2
IC5
34
R114
1k
24.5
22.5
30
28
27 29
Q11
2SC4116(LG)
Q17
3.28
0.47
C90
VR1
10p
C127
0.001
R109
220
JP1 0
XF2
21.4MHz
10k
R53
100k
R54
C89
0.047
C91
0.047
R67 10k
R68
0
10k
47k
10p
L28 10uH
C128
3.1
100
R111
150k
R110
Q30
2SC4251(HF)
220
R112
1.1
23.9
6
5
3.3k
4.7/35
C137
R115
470k
R116
NOTES:
C71
0.001
R52
1.8k
NJM2904V
2.0
7
10k
R118 27k
R117
1.0
R55
12k
1/50
Q12
DTC114YUA(64)
0.3
R70
220/6.3
C129
C72
3.28
IC3
NJM2406F
100k
R69
1
3
10k
0
3.3k
0.01
C92
5
R72
4
IC3
2
0
R71
1M
0
3.27
0
L30
100uH
IC9c
R133
C146
0.01
3.23
L29
HVU17(E)
5SSO-402
D32,D33
R130
100k
VR2
687
47k
0.37
1. RESISTANCE VALUES ARE IN OHMS(k=1000 M=1000000).
2. CAPACITANCE VALUES ARE IN uF(P=uuF).
3. (T)=TANTALUM CHIP CAPACITOR.
4. (M)=MYLAR CAPACITOR.
5. NO SUFFIX: CERAMIC CHIP CAPACITOR.
6. THIS SYMBOL DENOTES THE DC VOLTAGE ON VHF HI BAND. (154.1000 MHz)
WHTH SQUELCH CONTROL SET TO CCW POSITION.
0.2
82k
R120
0.2
R121
33k
6
IC6b
5
82k
R122
0.26
27k
R119
10k
24
R123
C138 0.01
C147
56p
123456789
X2
2.52
3.24
20.945MHz
C148 82p
D32
100k
R131
D33
0.1
C159
10k
R132
47k
VR4
VR3
22k
11
47k
D34
10k
R134
IC9d
TC74HC4066AFT
47k
9
121014
R140
1.641.69
0.022(M)
1.5M
C140
12p
C141
10/10(T)
IC7
TK10931V
2.3
0
0.01
C150
C149
C151 0.1
C152 0.1
0.01
C153
0.1
1.81
CF1
0
3.24
0.1
C160
10k
R135
D36
CF2
D35
C165
0.01
10k
R138
D34-D37
1k
R127
101112
10p
C154
C156
0.01
C158
C161
R136
HSC277
R126
22k
10k
1k
R129
220k
180p
0.1
VR5
1314151617181920212223
3.25
R176
DTA114EUA(14)
C162
1.25
1.16
D37
10k
R139
220
47/6.3
47k
R137 10k
220p
TP4
C155
0.01
T4
GRJ-F863
0.24
3.0
0.1
C157
Q31
3.22 0
C164
1.24
C143
R125
R124
C139
C145
220p
220p
6.8k
R128
C144
0.01
TP6
C142
1.04
0
1.30
C173
NJM13404V
10k
0.0047
1.5
7
IC8b
TP5
R149
68k
R146
100k
R148
5
C171
0.022
+
6
-
33p
C172
1.52
0.42
1.46
C175
0.01
1132
820p
100k
C174
0.001
C163
R151
0.001
C184
R162
0.01
39k
100k
0.022
R163
C183
IC10d
3.27
0
D38
1SS355(A)
8.4
BA05FP
1
0.33
C186
Vdd3.3V
Voice Out from DSP
Select DG Audio
RSSI OUT
C192
3.25
22k
0
R173
/External On
/Battery Charge
R141
470k
1
33k
R142
C170
0.0047
100k
R147
IC9a
IC10a
1132
R164
11
141012
IC11
2
3.29
220/6.3
1.29
C194
0.1
Q33
DTC114YUA(64)
DTC114YUA(64)
1.04
8
IC6a
4
NJM2904V
C169 220p
IC9b
354
3.24
0
10k
2.2k
R165
R167
1(1/10W)
3
AN77033SP
3
IC13
2
TK11233CUCB
1
2
IC14
34
8.9
R174
4.12 (1/2W)
Q35
2SC4117(DG)
2
3
C185
0.001
PS3.3V
Q36
0.01
C166
3
4
C187
220/6.3
0.61
0
1
5
R143
100k
R144
4.7k
47k
R145
1.48
R152
15k
C176
C177
0.022
0.022
1.4
879
IC10c
TC74HC4066AFT
5
IC10b
5.0
NJM2070M
22k
R168
C189
0.022
C193
3.27
8.4
Q34
0
2SD2118
R154
6
123
220/16
C167
220p
1.04
C168
12k
10u
C179
2.3
IC12
C195
D39
FM4003
C197
100p
R160
0
678
C190
220/6.3
2.2k
R175
0.01
10k
R153
2
-
IC8a
3
+
100
R156
8.2k
R155
10k
56k
R161
Q32
DTC114YUA(64)
C188
220/6.3
45
R169
10/16
0.2
D40
RB060L-40(36)
0
R166
R159
4.7k
R170
270k
C196
R157
8
4.7k
4
NJM13404V
10k
C191
0.001
0
1
0.22
0.01
C178
1
C180
C182
0.01
L32 1uH
R171 68(1/4W)
Vdd6V
L34 1uH
R158
1u
SQUELCH
VR6b
10k(B)
1.48
12k
0.01
C181
VOLUME
VR6a
50k(A)
J2
2
6
3
4
L33
1uH
5
1
HEADPHONE
R172
470(1/4W)
CN2
1
SPEAKER
POWER SW
9.0
J3
PWR
DC 9.0V
L35 1uH
Battery AA x4 6V
Last No.
IC14
Q36
D40
L35
R176
C200
Not Used
C18
L31
R150
7. THIS SYMBOL DENOTES THE DC VOLTAGE ON AIRCRAFT BAND.
8. THIS SYMBOL DENOTES THE DC VOLTAGE ON UHF LOW BAND.
9. THIS SYMBOL DENOTES THE DC VOLTAGE ON UHF HI BAND.
10. THIS SYMBOL DENOTES THE DC VOLTAGE ON CB BAND .
11. THIS SYMBOL DENOTES THE DC VOLTAGE ON MILITARY AIR BAND .
12. ALL DC VOLTAGES ARE MEASURED WITH A 100kOHM/V DC VOLTMETER.
WHTH VOLUME CONTROL SET TO MINIMUM.
72
Page 73
SCHEMATIC DIAGRAM for 20-106 (Logic Section)
J301
CN305
0.001
C325
C310-312 2.2/10(T)
R379-390, R505,R506 100
R379
LED305
47p
C355
F2F3
F1
ATT
LIGHT
1
4
56
89
7
0
CL
CPU_3.3V
3
5
4
2
1
C415
R483
R485
R488
SF T G A
CAP1-
CAP2-
VoutVrV0V1V2V3V4
CAP2+
CAP1+
RESET
123456789
C312
C311
C310
R340
2.2M
1.1M
R348
R352-355 100
R352
R354
R353
LED301
LED302
LED303
LCD Back Light
Key Back Light
47p
47p
C358
C359
LEFT
32
SCAN/SS
TUNE
WX/SW
Priode
ENT
470k
R471
47p
C396
470k
R473
47p
C402
3.2
IC309
NJM2871BF18
4.7/6.3V(T)
1
2
1.2
3
0.01
C411
3.3V
+
0.1
C416
1
2
3
10k
4
IC310 43,53
1k
5
IC310 45
1k
6
IC310 59
7
8
9
IC311 24
10
11
12
13
14
15
101112131415161718
C320
C321
C322
C319
C319-323 0.1
R355
LED301-304
FY1112H x 4
LED304
LED305-316, LED318,LED319
R390
LED318
LED316
47p
C361
FUNC
UP
SEL
RIGHT
MANUAL
DOWN
SRCH
PRIL/O
PGM/VS
PSE
D304
1SS357(S3)
D305
1SS357(S3)
D306
1SS357(S3)
1SS357(S3)
D307
10k
R475
Control
Vin
GND
Bypass4Vout
TLV320AIC13CDBT
IC313
IOVss
IOVDD
FSD
FS
DOUT
DIN
M/S
/PWRDN
OUTM1
OUTP1
DRVDD
DRVss
OUTP2
OUTMV
OUTP316AVss