J1 (To Microphone)
| 2 - Clone | 4 - PTT | 5 - MIC 7 - Hanger | |
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1 - 8V 3 - AFO | 5 - MICE | 7 - GND |
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2
28
J1
1 | 7 |
R60
DS10
P0
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DS2 | DS3 | DS4 | DS5 | DS7 | DS6 |
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DS1 |
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UP
DS8
DN
PWR
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| R51 |
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| C3 |
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| 100 | ||
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| C2 |
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| R52 |
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| R53 |
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76
C10
75
W2
R11
VHF/UHF FRONT UNIT BOARD TOP VIEW
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| C15 |
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| Q1 |
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| R4 |
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R15 |
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IC2
R2
D1
R3
C13
IC3
R61
C79 |
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| C21 |
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C19 | R7 |
X1 | L3 |
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C73 | |
R8 | C18 | R5 |
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C20 | R6 | C17 |
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R43
R44
25
26
IC1
50
51
R33
R34
R35
C4
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| R12 |
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| R16 |
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C36
R28
R25
R24
R27
Q5
C37 ++
R26
C38
R30
C39
R29
R31
D4
R58
C45
R20 C29
C30 |
| R69 |
L1
R57
Q4
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D3 | C34 |
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R21 | R22 |
| C35 |
C65
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| C14 |
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C66 |
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C11 |
C77 |
C72
W1
R65
R66 |
| R67 |
R54 | R48 | R19 |
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R18
R32
C40
C41
C42 | R37 | D6 |
Q10 | R40 | R39 | Q7 | R41 |
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| R68 | R49 | C82 |
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R55
R59
C27 | C28 |
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C9 ++
C67
C62
C80 | C78 |
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C55 |
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J2
C53
1
2
C64 | C63 | R46 |
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C50
R70
R17 |
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| Q6 |
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| R38 | R56 | C43 | |
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| C44 |
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| C22 |
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| C5 |
| C56 | |||
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C71
C48
C70 C46
C25
R50 |
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C33
C69
C26
C54
C61
C60
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| C49 |
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| C57 | |
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| R71 |
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| C52 |
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| J2 (To Main Unit) |
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39 | 37 | 35 | 33 | 31 | 29 | 27 | 25 | 23 | 21 | 19 | 17 | 15 | 13 | 11 | 9 - | 7 - | 5 - | 3 - | 1 - |
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- 5V | - AFO | - SI | - OPT3 | - OPT2 | - OPT1 | - OPV3 | - OPV2 | - OVP1 | - PTT | - PTTIN | - DET | - PWON | - EXPTT | - DIMIN | SO | SCK | SO | GND LVIN |
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40 | 38 | 36 | 34 | 32 | 30 | 28 | 26 | 24 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | 8 - | 6 - | 4 - | 2 - |
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- 8V | - CPU5V | - GND | - OPINT | - OPCS | - BUSY | - BEEPOUT | - TONE | - BEEP | - DTCS | - RFATT | - NOIS | - UNLK | - EXEN | - EXST | - DAST | PLST | VIN | TEMP | MIC |
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| C59 | ||
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| C23 |
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C24 | |||||
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November 1998
Part No.
C58
