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Motorola Control Head Schematics Manual

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    Page 1 Controlhead GM140/340/640 - PCB 8486146B07 / Schematics4-32.0 Controlhead GM140/340/640 - PCB 8486146B07 / Schematics D0871 D0872 D0873 D0874 D0875D0876 D0877D0878D0879 D0881 D0884 D0885 D0886 D0887 D0888 2 3 5 7 9 864 10 J0811 JU0852 JU0853 JU0854 4 1 235 R0823 S0861 S0862 S0863 S0864S0865 S0866 ZWG0130114-A C0802 C0803 C0804 C0805 C0806 C0808 C0809 C0810C0811 C0813 C0815 C0816 C0817 C0818C0819 C0821 C0822 C0823C0824 C0831 C0832 C0833 C0843 D0821 D0822 D0831 12 J0801 1 2 P0801 Q0821 Q0822 Q0823 Q0841...
    Page 2 4-4Controlhead GM140/340/640 - PCB 8486146B07 / Schematics HOOK GROUND MIC 10 GM300CONTROL HEAD PTT_IRDECODER 7CONNECTOR 8J0801 9 MICROPHONE CONNECTOR SCI_RX BOOT_VPP J0811 RESETBOOT_MODE WARIS HANDSET_AUDIO 1 CONTROLLER KEYPAD ID CONTROL HEAD ID SCI_TX EXT_KP_ROW EXT_KP_COL FLT_A+ 4 5 6 BUS+ 2 3 5V VR0822 5.6VR0843 2.2K NU GND INPUT RESET_ 7 U0835 MC33464N-45ATRJ0801-8 JU0853 SWITCH C0833R0833 0.1uF 2 47K10K R0844 55 VDD 22 VRH 21 VRL 23 VSS1 VSS2 24 49 VSS3 45 XIRQ 33 XTAL PE3_AN3 19 PE4_AN4 14 16...
    Page 3 Controlhead GM140/340/640 - PCB 8486146B07 / Schematics4-5 S0862 LED5 LED4 LED6 LED1 LED2 LED3 F4 P2 F3 P1 F2 F1 F1 F2 F3 F4P1 P2 LED1 LED2 LED31V/1V 0V/0V 0V/1V LED4 LED6 LED5 S0864 S0863 S0861S0866 S0865 KEYPAD red yellow green 0V/2V 0V/3V1V/0V R0867green D0885 13K green D0888 D0886 green green D0887 green D0884 green D0881 270 R0885 270 R0881Q0885 1 P1 2 P2 3 P3 4 P4 5 P5 6 P6 7 P7 8 P8 8 P8S0865 1 P1 2 P2 3 P3 P4 4 5 P5 6 P6 7 P7 R0864 S0861 43K R0866 51K R0861 51K R0880 22K 7P8 813K R0862 P1 1 P2 2...
    Page 4 4-6Controlhead GM140/340/640 - PCB 8486146B07 / Schematics2.1 Controlhead PCB 8486146B07 Parts List * Motorola Depot Servicing only Reference designators with an asterisk indicate components which are not fieldreplaceable because they need to be calibrated with specialized factory equipment after installation. Radios in which these parts have been replaced in the field will be off frequency at temperature extremes. Circuit RefMotorola Part NoDescriptionC0803 2113741F17 470pF 50V C0804 2113741F17...
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