Galaxy
DX Radios DX88HL
Documentation Project
CBTricks.com
Frequency Counter PCB (EPT210014C)
EPT210014C Trace Layouts
Schematic
Tech Note
Hum in the receive in a DX88HL
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Ref#
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Description |
MFR.
Part No.
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COUNTER EPT210014C |
#MT-140Q-P02 |
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COUNTER P.C.B. 62x51x1.6tmm(d) |
EPT210014C |
Resistors
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Ref#
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Description |
MFR.
Part No.
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R2 |
CHIP/F/R (SMD) 4.7K OHM 0.1W |
RCY014724Z |
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R3 |
CHIP/F/R (SMD) 4.7K OHM 0.1W |
RCY014724Z |
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R4 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
|
R5 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
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R6 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
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R7 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
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R8 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
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R9 |
CHIP/F/R (SMD) 22K OHM 0.1W |
RCY012234Z |
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R10 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R11 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R12 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R13 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R14 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R15 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R16 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R17 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R18 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R19 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
|
R20 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R21 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R22 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R23 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R24 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R25 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R26 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R27 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R28 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R29 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R30 |
CHIP/F/R (SMD) 100 OHM 0.1W |
RCY011014Z |
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R31 |
CHIP/F/R (SMD) 330 OHM 0.1W |
RCY013314Z |
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R32 |
CHIP/F/R (SMD) 10 OHM 0.1W |
RCY011004Z |
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R33 |
CHIP/F/R (SMD) 0 OHM 0.1W |
RCY010004Z |
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R35 |
CHIP/F/R (SMD) 470 OHM 0.1W |
RCY014714Z |
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R36 |
CHIP/F/R (SMD) 10K OHM 0.1W |
RCY011034Z |
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R37 |
CHIP/F/R (SMD) 47 OHM 0.1W |
RCY014704Z |
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R40 |
CHIP/F/R (SMD) 10K OHM 0.1W |
RCY011034Z |
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R41 |
CHIP/F/R (SMD) 33K OHM 0.1W |
RCY013334Z |
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R42 |
CHIP/F/R (SMD) 0 OHM 0.1W |
RCY010004Z |
Capacitors
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Ref#
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Description |
MFR.
Part No.
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C1 |
CHIP/C (SMD) 0.1UF 50WV Z F Y5V(0805) |
CK1104AB7R |
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C2 |
E/C 100UF 16WV Z (MINI) |
CEM161077Z |
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C3 |
CHIP/C (SMD) 0.1UF 25WV M Z5U |
CK2104AA6U |
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C5 |
CHIP/C (SMD) 0.1UF 25WV M Z5U |
CK2104AA6U |
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C6 |
CHIP/C (SMD) 33PF 50WV J CH |
CK1330AB4A |
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C7 |
CHIP/C (SMD) 15PF 50WV J CH |
CK1150AB4A |
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C9 |
CHIP/C (SMD) 0.001UF 50WV Z SL |
CK1102AB7L |
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C10 |
E/C 1000UF 16WV Z |
CE0161087Z |
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C11 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C12 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C13 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C14 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C15 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C16 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C17 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C18 |
CHIP/C (SMD) 0.1UF 25WV M Z5U |
CK2104AA6U |
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C19 |
CHIP/C (SMD) 0.01UF 50WV M Z5U |
CK1103AB6U |
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C20 |
E/C 100UF 16WV Z (MINI) |
CEM161077Z |
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VC1 |
TRIMMER/C (SMD) 20PF TCZ03P200A110B00 |
CV038200AY |
Crystals
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Ref#
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Description |
MFR.
Part No.
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X1 |
CRYSTAL HC-49/U 4.500MHz |
EYCAP04500 |
Inductors
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Ref#
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Description |
MFR.
Part No.
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|
L1 |
CHOKE COIL 470UH |
ECCHK16096 |
Integrated Circuits
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Ref#
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Description |
MFR.
Part No.
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|
U1 |
IC (SMD) TC4093BFN 14PIN |
YNTA04093B |
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U4 |
I.C. 80PIN LC7232N-8985 |
YNRG0GX3SP |
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U5 |
IC (SMD) BA6250F-TP 16PIN |
YNRO06250F |
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U6 |
IC (SMD) BA6250F-TP 16PIN |
YNRO06250F |
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U7 |
IC (SMD) BA6250F-TP 16PIN |
YNRO06250F |
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U8 |
I.C.(SAMSUNG) 7805 3PIN |
ENSS07805Z |
Transistors
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Ref#
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Description |
MFR.
Part No.
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Q1 |
T/R (SMD) 2SB798DL-(T1) |
TY2SB0798Z |
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Q2 |
T/R (SMD) 2SB798DL-(T1) |
TY2SB0798Z |
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Q3 |
T/R (SMD) 2SC2714 -TE85L |
TY2SC2714Z |
Connectors
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Ref#
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Description |
MFR.
Part No.
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CN1 |
PCB CONNECTOR/S 2P PH=2MM |
EX07N48223 |
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CN1 |
WIRE CONNECTOR/H 2P-2P |
EX07N48745 |
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CN2 |
PCB CONNECTOR/S 7P PH=2MM |
EX07N48224 |
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CN2 |
WIRE CONNECTOR/H 7P L=200MM PH=2MM |
EX07N48875 |
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CN3 |
PCB CONNECTOR/S 12P PH=2(WHITE) |
EX07N48767 |
|
CN3-J306 |
WIRE CONNECTOR/H 12P-12P L=100 PH=2 |
EX07W49252 |
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CN4 |
PCB CONNECTOR/S 12P PH=2 |
EX07N48150 |
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CN4-J307 |
WIRE CONNECTOR/H 12P-12P L=120 PH=2 |
EX07W49253 |
Hardware
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Ref#
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Description |
MFR.
Part No.
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COUNTER COVER |
MT2100061X |
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COUNTER BOX |
MT2100070X |
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BRACKET OF COUNTER BOX |
MT2100081X |
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SPONG 50x30x3t |
XZZZ90198Z |
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SET SCREW M3x0.5Px6 |
JS053006MN |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.