Motorola Gm Series Detailed 6864115b62 B Manual
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Controlhead GM380/1280 - PCB 8486178B03/B04 / Schematics4-15 P6 SW0924P7 SW0925DOWN P3 MENU 1 SW09032 SW0904 SW0910 7 SW09138 SW0914 SW0901 SW0906 1V/1V 1V/2V 1V/3V3V/2V 3V/3V SW0917 SW0911 SW0912 KEYPAD D 0V/0V 3V/4V 2V/0V SW09180 SW0919 1V/4V3V/0V RIGHT12 P2 LEFT 4 SW09085 SW09092V/1V 2V/2V4V/0V 4V/1V 4V/2V 4V/3V 4V/4V 789 0 * P1 3 4 P2 3 SW0905P4 P1 P3 P4 EXIT 6 9 SW0915 SW0902 SW0907SW0916 SW0921 SW0922 * 2V/3V 2V/4V UP5 0V/1V 0V/2V 0V/3V 0V/4V1V/0V 6 # P5 P6 P73V/1V # SW0920 P5 SW0923 4 P4 5 P5 6...
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4-16Controlhead GM380/1280 - PCB 8486178B03/B04 / Schematics 0.1uF C0966 NU NUQ0992 10K R0962yellow D0992 NUred D0991 D0956D0987 D0955 NUD0967 R0946 68KC0999 C0998 2.2uF C0994 2.2uF10K 2.2uF10KR0999 10KR0998 0.1uF R0994 C0941D0969 D0957 D0945 NU D0979 D09722.2uFC0963 68K R0966 NU 10K R095310KR0951D0983 green D0993 10 R0955 0.1uF C0945 R0954 NU 10K 3.3K R0943 10K R0941 Q0943D0961 D0949 D0980 NU10K R097310K NUR0971 NU33K R0964 NU D0982 D0968270 R0991 NU270 R0992 NU 10 R0958 D0978 D0966 NUR0968 4.7K...
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Controlhead GM380/1280 - PCB 8486178B03/B04 / Schematics4-17 J0821-10 E (RD) NU C0806 470pF 470pF C0807100pF NU C0824 470pF C0816R0815 10 100pFC0827 NU C0826 100pF NU C0815 470pFC0813 C0811 470pF 470pF R0816 270 R0817 13K R0812 13K ANALOG_INPUT_2 J0811-10 NCNC 470pF C0812 R0814 NU 22 100pF C0836 82pF C0808 NU22 R0813 J0821-3 Backlight_Anode Red J0821-4 Temp_Sense J0821-2 Backlight_Anode Green 82pF C0805NC NC R0833 100R0832 100 J0821-21 Voltage_Sense 2 J0821-20 GND J0801-6 J0801-5...
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4-18Controlhead GM380/1280 - PCB 8486178B03/B04 / Schematics4.1 Controlhead PCB 8486178B03/B04 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...
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Professional Radio GM Series Controlhead Service Information Issue: August 2002
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ii Computer Software Copyrights The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form, the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described...
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iii Table of Contents Chapter 1 MODEL OVERVIEW 1.0 GM140/GM340/GM640 Models ........................................................................... 1-1 2.0 GM160/GM360/GM660 Models ........................................................................... 1-1 3.0 GM380/GM1280 Models ...................................................................................... 1-2 Chapter 2 THEORY OF OPERATION 1.0 Introduction...
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iv Chapter 3 TROUBLESHOOTING CHARTS 1.0 Troubleshooting Chart for Controlhead GM140/340/640 .................................... 3-1 1.1 On/Off ................................................................................................................. 3-1 1.2 Microprocessor ................................................................................................... 3-2 2.0 Troubleshooting Chart for Controlhead GM160/360/660 .................................... 3-3 2.1 On/Off...
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Chapter 1 OVERVIEW 1.0 GM140/GM340/GM640 Models (GCN6112_) The Controlhead contains the internal speaker, the on/off/volume knob, the microphone connector, several buttons to operate the radio and several indicator Light Emitting Diodes (LED) to inform the user about the radio status. To control the LED’s and to communicate with the host radio the control head uses the Motorola 68HC11E9 microprocessor. 2.0 GM160/GM360/GM660 Models (GCN6114-GM160 / GCN6120-GM360/660) The Controlhead contains the...
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1-2overview 3.0 GM380/GM1280 Models (GCN6121_) The Controlhead contains the on/off/volume knob, the microphone connector, several buttons to operate the radio, several indicator Light Emitting Diodes (LED) to inform the user about the radio status, and a Liquid Crystal Display (LCD) with 21 pre - defined symbols and a 32*96 dot matrix for graphical or alpha - numerical information e.g. channel number, select code, call address name. To control the LED’s and the LCD, and to communicate with the host...