
CIRCUIT DESCRIPTION
POWER DISTRIBUTION (ALL MODELS)
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| Power Amplifier |
| Unsw Bat | RF Board |
| Unsw Bat | Audio/Logic | |||
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| J201 | J302 | Board | |||
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| R533 |
| 4 | 2 |
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| Transceiver |
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| Sw Bat |
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Power |
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| 5V |
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| Power | Unsw Bat |
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| Switch |
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| Sw Bat | Vcc | ||
15A |
| F500 |
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Cable | Connector | J600 | J501 |
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| Regulator |
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Fuse | 4A |
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| Sw Bat |
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| U105 |
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| 1 |
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| Q510 |
| 10 | 5 |
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| CR600 |
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| 8V |
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| 2 |
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| High Tier | 8V | 8V | F100 |
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| Regulator |
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| 2A |
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| Transient |
| Front Panel | U501 | 11 15 | Sw Bat |
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| Suppressor |
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| 11 | J100 |
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| 8V Tx | 8V Tx | 12 |
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| Interface | J3 |
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| Switch |
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| Latch |
| Board |
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| Chassis |
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| Sw Bat | ||||
Vehicle |
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| (A/L Bd) | Q504 |
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Ground |
| Low Tier |
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| R2 |
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Battery |
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| From Shift |
| High |
| J1 | ||||
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| J2 |
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| Reg U801 | 5.5V | Tier Only | 2 | 5 |
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| 5.5V | J1 |
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| From Latch | Regulator |
| Sw Bat | Microphone | |
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| U112 A/L Bd |
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| U502 |
| Jack |
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| Display Board |
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Interface Board | Audio/Logic Board |
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| RF Board |
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(High Tier Only) | Power Switch |
| Ignition On |
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| Supply |
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| Sense |
| Sense |
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| Q107 | To uC, | Q108 | To uC, |
| Switching | Sw Bat |
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| Pin 60 | Pin 62 |
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| Unsw Bat |
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Front Panel |
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| Q510 |
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| Q109 |
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J100 |
| J302 | J201 |
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J3 |
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1 | 20 |
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| 18 | 5 |
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Power |
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| Q110 |
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Unsw Bat |
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Low Tier Only |
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R170
From Ignition
Power Hold
From Shift Reg
SwitchU111, Q7 Note: Arrows Indicate Signal Flow.
This Resistor Installed If
Ignition Sense Not Connected
Figurefiltering of the
Noise pulses less than 1.6 volt
voltage filtering provided by C565. This reduces the amount of noise applied to circuits powered by the switched
| February 2001 |
Part No. |