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  2. E.F. Johnson Company
  3. Two-Way Radio
  4. 7780 Series
  5. Preliminary Service Manual

E.F. Johnson Company 7780 Series Preliminary Service Manual

Summary of 7780 Series

  • Page 1

    First printing november 1999 778x (800 mhz) smartnet™/smartzone®/conventional 7.5 vdc, 1 and 3 watts 806-824 mhz transmit 851-870 mhz receive part no. 242-778x-50x full keypad (15-key) model limited keypad (3-key) model smartnet™/smartzone® portable series 7780 preliminary service manual.

  • Page 3: 7780-Series

    7780-series smartnet /smartzone /conventional fm two-way portable radio 7.5 vdc 806-824 mhz transmit, 851-870 mhz receive 1-watt (low power), 3-watts (high power) part no. 242-778x-50x copyright ©1999 by the e.F. Johnson company e.F. Johnson company, which was founded in 1923, designs, manufactures,...

  • Page 4

    Table of contents ii november 1999 part no. 001-7780-500 table of contents 1 general information 1.1 scope of manual . . . . . . . . . . . . . . . . . . . .1-1 1.2 equipment description . . . . . . . . . . . . .1-1 introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 operating p...

  • Page 5

    Table of contents (cont’d) iii november 1999 part no. 001-7780-500 table of contents pctrunk software installation . . . . . . . . . . . . . . 3-1 connecting rpi to computer and transceiver . 3-2 starting and exiting . . . . . . . . . . . . . . . . . . . . . . 3-2 programming file types . . . . . . ...

  • Page 6

    Table of contents (cont’d) table of contents iv november 1999 part no. 001-7780-500 6.3 modulation balance . . . . . . . . . . . . . . . .6-4 6.4 audio deviation . . . . . . . . . . . . . . . . . . . . . .6-5 6.5 data deviation . . . . . . . . . . . . . . . . . . . . . . .6-5 6.6 squelch adjust . . ...

  • Page 7

    1-1 november 1999 part no. 001-7780-500 general information section 1 general information 1.1 scope of manual this service manual contains operating, program- ming, alignment, and service information for the e.F. Johnson 7780 800 mhz portable transceiver. 1.2 equipment description 1.2.1 introduction...

  • Page 8

    General information 1-2 november 1999 part no. 001-7780-500 rifkdqqhovghfuhdvhvdvwkhqxpehuri6pduw1hw v\vwhpvlqfuhdvhv7khsurjudpplqjvriwzduh glvsod\vdedujudskzklfkvkrzvwkhdprxqwridydlo deohphpru\vsdfhwkdwlvxvhge\wkhfxuuhqwgdwd 5hihuwr6hfwlrqirupruhlqirupdwlrq =rqhv $]rqhlvdfroohfwlrqrixswrfkdqqhovrid...

  • Page 9

    General information 1-3 november 1999 part no. 001-7780-500 customer service department can be reached using one of the following telephone numbers: toll-free: (800) 328-3911 (from within continental united states only) international: (507) 835-6911 fax: (507) 835-6969 e-mail: first initial/last nam...

  • Page 10

    General information 1-4 november 1999 part no. 001-7780-500 are times when the technicians have specific questions that need to be answered in order to completely iden- tify and repair a problem. When returning equipment for repair, it is also a good idea to use a po number or some other reference n...

  • Page 11

    General information 1-5 november 1999 part no. 001-7780-500 tion. When electrical equipment is given this rating, the equipment is considered incapable of releasing suffi- cient electrical and thermal energy under normal oper- ation or specified fault conditions per the testing standard to cause ign...

  • Page 12

    General information 1-6 november 1999 part no. 001-7780-500 1.11 accessing pc boards 1.11.1 introduction the rf unit is located under the back cover and the logic unit is located under the front cover. These boards connect together using a 30-pin connector on the bottom side. Since both boards have ...

  • Page 13

    General information 1-7 november 1999 part no. 001-7780-500 1.11.4 removing rf unit 1. Remove the five screws attaching the shield to the pc board. 2. Remove the two screws securing the rf power module to the chassis. Then remove the four stand- offs attaching the rf board to the chassis. 3. Unsolde...

  • Page 14

    General information 1-8 november 1999 part no. 001-7780-500 7780 specifications the following are general specifications intended for use in testing and servicing the transceiver. For current advertised specifications, refer to the 7780 product information sheet available from your e.F. Johnson sale...

  • Page 15

    2-1 november 1999 part no. 001-7780-500 transceiver operation section 2 transceiver operation 2.1 features 2.1.1 general features • 16 zones with home zone select • 16 channels per zone (256 channels total) • radio-wide scan • time-out timer • lcd 8-character alphanumeric display with 12 status annu...

  • Page 16

    Transceiver operation 2-2 november 1999 part no. 001-7780-500 figure 2-1 limited keypad model 2.2.2 top panel indicators tx indicator (red) - indicates when the transmitter is keyed. Rx indicator (green) - indicates that the channel may be busy because a carrier is being detected. Low-battery indica...

  • Page 17

    Transceiver operation 2-3 november 1999 part no. 001-7780-500 figure 2-3 display low battery monitor mode talk-around mode radio- wide scan in scan list scan enabled low tx power busy channel priority channel private call telephone call keypad locked keypad prog. Mode alphanumeric display 2.2.5 fron...

  • Page 18

    Transceiver operation 2-4 november 1999 part no. 001-7780-500 busy - a busy system or transmit channel is being detected by the busy channel lockout feature (see section 2.4.5). - the battery needs recharging (see section 2.3.6). - the keypad has been locked by pressing the keypad lock option switch...

  • Page 19

    Transceiver operation 2-5 november 1999 part no. 001-7780-500 2.3.6 low battery indication when the battery voltage falls below a preset level, the icon appears in the display. This icon stays on until power is turned off. In addition, the following low battery indications may be programmed to occur...

  • Page 20

    Transceiver operation 2-6 november 1999 part no. 001-7780-500 channel it can be programmed for times from 15 seconds up to 3 minutes, 45 seconds or disabled (not used). If the transmitter is keyed continuously for longer than the programmed time, the transmitter is disabled and an invalid condition ...

  • Page 21

    Transceiver operation 2-7 november 1999 part no. 001-7780-500 • to turn radio wide scanning off, press the radio wide scan option switch again. The icon is then no longer indicated and “rws off” is displayed briefly. • if the zone or channel is changed while radio wide scanning, radio wide scanning ...

  • Page 22

    Transceiver operation 2-8 november 1999 part no. 001-7780-500 ation). Monitoring before transmitting may not occur automatically in this mode, so the channel may have to be manually monitored before transmitting (see section 2.4.3). Selecting a conventional channel selects a transmit and receive fre...

  • Page 23

    Transceiver operation 2-9 november 1999 part no. 001-7780-500 2.4.4 monitor mode the monitor mode temporarily disables squelch control features (such as call guard squelch) so that all messages are heard on the selected channel. It also overrides the busy channel lockout feature (see next section) a...

  • Page 24

    Transceiver operation 2-10 november 1999 part no. 001-7780-500 to that channel are then reassigned to all the other channels in the current zone. The reassignments remain in effect even after power is cycled. 3. To restore all call guard codes in the current zone to the original settings, press the ...

  • Page 25

    Transceiver operation 2-11 november 1999 part no. 001-7780-500 1. Press the scan option switch to enable scanning. The currently selected scan list is momentarily indicated as “scan x”, where “x” is the list number (1-3). 2. To select one of the other lists, press the number key corresponding to the...

  • Page 26

    Transceiver operation 2-12 november 1999 part no. 001-7780-500 channel is sampled while listening to a message on some other channel. The priority sampling times are programmed by the following parameters: lookback time a - this time determines how often the priority channel is checked for activity....

  • Page 27

    Transceiver operation 2-13 november 1999 part no. 001-7780-500 post-tx ani - a preprogrammed ani sequence is automatically sent each time you release the ptt switch. Disabled - all dtmf signaling is disabled. 2.5 smartnet/smartzone features 2.5.1 introduction the following information describes feat...

  • Page 28

    Transceiver operation 2-14 november 1999 part no. 001-7780-500 2. Enter the index of the desired id if you know it or scroll through the list using the and keys until you find the desired id. Press the clr key to cancel the call. 3. Press the ptt switch or the ent key to initiate the call. The displ...

  • Page 29

    Transceiver operation 2-15 november 1999 part no. 001-7780-500 displayed. When the system is no longer busy, the call back tone (four beeps) is heard and your radio automatically starts transmitting. Press the ptt switch to continue the call. • to ignore an incoming call, press the clr key or wait 2...

  • Page 30

    Transceiver operation 2-16 november 1999 part no. 001-7780-500 2. To answer the call, press the private call option switch and then the ptt switch and begin talking. The private call mode is indicated by “ c ” in the upper part of the display. The alias of the incoming call is displayed if the id is...

  • Page 31

    Transceiver operation 2-17 november 1999 part no. 001-7780-500 • if an out-of-range condition exists or the radio system is not in service, “lost call” is displayed and a continuous tone sounds. End the call by pressing the clr key. • if you are not authorized to make telephone calls, “reject” is di...

  • Page 32

    Transceiver operation 2-18 november 1999 part no. 001-7780-500 answering a page 1. When a page is received, the display alternately indicates “page rcv” and the alias of the current channel and a recurring received page tone sounds (six beeps) sounds. 2. To clear and ignore the page, press the clr k...

  • Page 33

    Transceiver operation 2-19 november 1999 part no. 001-7780-500 emergency calls an emergency call urgently requests access to a voice channel. To place this call, proceed as follows: 1. Select a smartnet/smartzone channel that has this feature enabled and press the emergency option switch. The emerge...

  • Page 34

    Transceiver operation 2-20 november 1999 part no. 001-7780-500 currently registered on a site, “site x” is displayed, where “x” is the site number. If the site is locked (see following), “lock x” is displayed instead. The display then indicates the rssi (receive signal strength indicator) value of t...

  • Page 35

    Transceiver operation 2-21 november 1999 part no. 001-7780-500 six beeps • the paged radio received the page and acknowl- edged it (section 2.5.7). • the message that was sent has been received and acknowledged (section 2.5.8). • the status condition that was sent has been received and acknowledged ...

  • Page 36

    Transceiver operation 2-22 november 1999 part no. 001-7780-500 2.7.4 channel change parameter the “chan chg” menu parameter selects the conventional channel to be reprogrammed. Disabled or smartnet/smartzone channels cannot be selected. This does not change the channel selected for normal operation....

  • Page 37

    3-1 november 1999 part no. 001-7780-500 transceiver programming section 3 transceiver programming figure 3-1 programming setup remote programming interface (rpi) part no. 023-9800-000 rpi-transceiver programming cable part no. 597-2002-123 3.1 general 3.1.1 programming setup the following items are ...

  • Page 38

    Transceiver programming 3-2 november 1999 part no. 001-7780-500 windows 95/98 - select start > settings > control panel and double click “add/remove programs”. Then click install and next. When setup.Exe is automatically located on the floppy drive, click next, select the location for the start-up i...

  • Page 39

    Transceiver programming 3-3 november 1999 part no. 001-7780-500 system - these screens program the parameters that are unique to the displayed conventional, smartnet, or smartzone system. The system to be edited is selected as described in section 3.1.10. Channel - this screen programs unique channe...

  • Page 40

    Transceiver programming 3-4 november 1999 part no. 001-7780-500 3.2.2 programming radio wide parameters 1. To display the radio wide screens, click the radio wide button or select window > radio wide parameters in the menu bar (see section 3.1.8). 2. Program the applicable information in these scree...

  • Page 41

    Transceiver programming 3-5 november 1999 part no. 001-7780-500 open - opens a programming file that was previously saved to disk. If a modified file is currently open, you are asked if that file should be saved before the new file is opened. Close - closes the current file. If the file has been mod...

  • Page 42

    Transceiver programming 3-6 november 1999 part no. 001-7780-500 3.3.7 help menu contents - displays the help system table of contents. Search for help on - displays the search dialog box that allows searching for a help topic by keyword. About pctrunk - displays the software version number of pctrun...

  • Page 43

    Transceiver programming 3-7 november 1999 part no. 001-7780-500 radio wide scan list note: the radio-wide scan list cannot be pro- grammed until all channels to be included have been set up as described in the conventional and smart- net/smartzone sections (3.5 and 3.6, respectively). Clicking the r...

  • Page 44

    Transceiver programming 3-8 november 1999 part no. 001-7780-500 2. To program a switch, click the arrow to display the pull-down menu and then select the desired function from that menu. Note: side button 1 is the top (aux) button and side button 2 is the bottom (fcn) button. Also, the * and # keys ...

  • Page 45

    Transceiver programming 3-9 november 1999 part no. 001-7780-500 after the control channel returns from the voice on control mode. Adjustable parameters busy override delay - with smartzone operation, this is the amount of time a user must press the ptt switch to override a smartzone busy that occurs...

  • Page 46

    Transceiver programming 3-10 november 1999 part no. 001-7780-500 timers tx time-out timer - this timer limits the length of transmissions (section 2.3.9). Times up to 3 minutes, 45 seconds in 15-second steps can be programmed. Penalty timer - this timer disables transmitting after the time-out timer...

  • Page 47

    Transceiver programming 3-11 november 1999 part no. 001-7780-500 also the type of priority channel (see the “priority channel” description which follows). The following modes are available: no priority - priority sampling does not occur (all channels are scanned in sequence). The radio trans- mits o...

  • Page 48

    Transceiver programming 3-12 november 1999 part no. 001-7780-500 figure 3-3 conventional channel screen 3.5.4 conventional channel screen parameters the following parameters are programmed in the conventional channel screen shown in figure 3-3. Selected channel zone box - clicking the arrow to the r...

  • Page 49

    Transceiver programming 3-13 november 1999 part no. 001-7780-500 note: channel numbers not assigned must be programmed for conventional operation and then not enabled in the above screen because smartnet/ smartzone channels cannot be disabled. Channel type channel type box - selects the specific sys...

  • Page 50

    Transceiver programming 3-14 november 1999 part no. 001-7780-500 3.6.2 smartnet/smartzone system general screen the smartnet/smartzone system general screen is shown above, and it programs the following parameters: restricted access change system id button - displays the change system id screen whic...

  • Page 51

    Transceiver programming 3-15 november 1999 part no. 001-7780-500 3.6.3 smartnet/smartzone system other id’s screen the smartnet/smartzone other id’s screen is shown above, and it programs the following parameters. Individual id - uniquely identifies the radio on a par- ticular system. Each radio mus...

  • Page 52

    Transceiver programming 3-16 november 1999 part no. 001-7780-500 3.6.5 smartnet/smartzone system talk groups screen the smartnet/smartzone talk groups screen is used to set up smartnet/smartzone talk groups and program unique talk group information. This screen is shown above, and the parameters it ...

  • Page 53

    Transceiver programming 3-17 november 1999 part no. 001-7780-500 3.6.7 smartnet/smartzone system lists screens clicking the button in the general screen described in section 3.6.2 displays the screens used to program the various lists that are unique for each smartnet/smartzone system. These screens...

  • Page 54

    Transceiver programming 3-18 november 1999 part no. 001-7780-500 announcement groups screen this screen programs the announcement groups that are used to communicate with several talk groups simultaneously. There can be up to 3 announcement groups per system, and each announcement group can have up ...

  • Page 55

    Transceiver programming 3-19 november 1999 part no. 001-7780-500 trunking call list screen this screen is shown above, and it allows the list of ids used for private calls to be programmed. A maximum of 16 ids can be programmed (see sections 2.5.4 and 2.5.5). To edit this list, click the trunking ca...

  • Page 56

    Transceiver programming 3-20 november 1999 part no. 001-7780-500 4. Repeat the preceding steps for the other scan lists if applicable. Status aliasing screen this screen is shown above, and it programs the alias for each of up to eight status conditions that can be sent. The meaning of each status n...

  • Page 57

    Transceiver programming 3-21 november 1999 part no. 001-7780-500 figure 3-4 smartnet/smartzone channel screen enable this channel - not used because smart- net/smartzone channels are always enabled if set up. To disable a channel so that it is not selectable, choose the conven- tional type and do no...

  • Page 58

    Transceiver programming 3-22 november 1999 part no. 001-7780-500 talk permit tone - when enabled, a short tone sounds after a request for a group call has been approved by the main controller. This indicates that speaking can begin. When disabled, no audio feed- back is used to indicate when speakin...

  • Page 59

    Transceiver programming 3-23 november 1999 part no. 001-7780-500 25 851.6125 806.6125 26 851.6375 806.6375 27 851.6625 806.6625 28 851.6875 806.6875 29 851.7125 806.7125 30 851.7375 806.7375 31 851.7625 806.7625 32 851.7875 806.7875 33 851.8125 806.8125 34 851.8375 806.8375 35 851.8625 806.8625 36 8...

  • Page 60

    Transceiver programming 3-24 november 1999 part no. 001-7780-500 175 855.3625 810.3625 176 855.3875 810.3875 177 855.4125 810.4125 178 855.4375 810.4375 179 855.4625 810.4625 180 855.4875 810.4875 181 855.5125 810.5125 182 855.5375 810.5375 183 855.5625 810.5625 184 855.5875 810.5875 185 855.6125 81...

  • Page 61

    Transceiver programming 3-25 november 1999 part no. 001-7780-500 325 859.1125 814.1125 326 859.1375 814.1375 327 859.1625 814.1625 328 859.1875 814.1875 329 859.2125 814.2125 330 859.2375 814.2375 331 859.2625 814.2625 332 859.2875 814.2875 333 859.3125 814.3125 334 859.3375 814.3375 335 859.3625 81...

  • Page 62

    Transceiver programming 3-26 november 1999 part no. 001-7780-500 475 862.8625 817.8625 476 862.8875 817.8875 477 862.9125 817.9125 478 862.9375 817.9375 479 862.9625 817.9625 480 862.9875 817.9875 481 863.0125 818.0125 482 863.0375 818.0375 483 863.0625 818.0625 484 863.0875 818.0875 485 863.1125 81...

  • Page 63

    Transceiver programming 3-27 november 1999 part no. 001-7780-500 623 866.3000 821.3000 624 866.3125 821.3125 625 866.3250 821.3250 626 866.3375 821.3375 627 866.3500 821.3500 628 866.3625 821.3625 629 866.3750 821.3750 630 866.3875 821.3875 631 866.4000 821.4000 632 866.4125 821.4125 633 866.4250 82...

  • Page 64

    Transceiver programming 3-28 november 1999 part no. 001-7780-500 765 868.1750 823.1750 766 868.1875 823.1875 767 868.2000 823.2000 768 868.2125 823.2125 769 868.2250 823.2250 770 868.2375 823.2375 771 868.2500 823.2500 772 868.2625 823.2625 773 868.2750 823.2750 774 868.2875 823.2875 775 868.3000 82...

  • Page 65

    4-1 november 1999 part no. 001-7780-500 circuit description section 4 circuit description 127($eorfngldjudpriwkh5)dqgorjlfxqlwvlv orfdwhgrqsdjh 4.1 power switching and regulation 4.1.1 power switching 8qvzlwfkhgedwwhu\yrowdjhlvdssolhgwrwkh srzhudpsolilhuprgxohdqgsrzhufrqwuroflufxlwlq wkh5)xqlw2wkhuz...

  • Page 66

    Circuit description 4-2 november 1999 part no. 001-7780-500 the vco from the receiver and transmitter and the counters in synthesizer ic1. A switching circuit on the output of q10 routes the vco signal to the receiver in the receive mode and the transmitter in the transmit mode. In the receive mode,...

  • Page 67

    Circuit description 4-3 november 1999 part no. 001-7780-500 frequency is low, the vco-derived input to the phase detector is lower than the tcxo-derived input (or the phase lags the tcxo-derived input). Pin 15 of ic1 then pulses low and turns q1 on. This charges the loop filter capacitors which incr...

  • Page 68

    Circuit description 4-4 november 1999 part no. 001-7780-500 input signal to these transistors is high for narrow band channels. Therefore, with narrow band chan- nels, d14/d16 are forward biased and d13/d15 reverse biased and vice versa for wideband channels. The 450 khz signal from these filters is...

  • Page 69

    Circuit description 4-5 november 1999 part no. 001-7780-500 4.4.3 power control (ic2a/b) the power output circuit maintains a steady power output level by controlling the supply voltage to the first stage in power module ic1 (vcc1). The output power is monitored using a directional coupler consistin...

  • Page 70

    Circuit description 4-6 november 1999 part no. 001-7780-500 table 4-1 microprocessor ic306 pin descriptions pin name port name input or output description active high or low 1 res input reset pulse input - 2 xtal input system clock connection terminal - 3 extal input system clock connection terminal...

  • Page 71

    Circuit description 4-7 november 1999 part no. 001-7780-500 .( ,qsxw .H\pdwul[vfdq .( ,qsxw .H\pdwul[vfdq 062 2xwsxw 6huldogdwdrxwsxw 06, ,qsxw 6huldogdwdlqsxw 06&. 2xwsxw 6huldogdwdforfn 5& 2xwsxw 59vxsso\frqwurovljqdo +ljk %((3 2xwsxw $xglrehhswrqh 7& 2xwsxw 79vxsso\frqwurovljqdo +ljk 7087 2xwsxw ...

  • Page 72

    Circuit description 4-8 november 1999 part no. 001-7780-500 93 s5c output rf 5c supply control signal high 94 - - - - 95 sn_tr output smartnet circuit control signal (h=smartnet tx data) high 96 eepcs output eeprom chip select signal - 97 xtxd output programming data out - 98 xrxd input programming ...

  • Page 73

    Circuit description 4-9 november 1999 part no. 001-7780-500 cut-off frequency is approximately 190 hz. Q103 lowers the cut-off frequency of the filter by switching additional capacitance into the filter. From the filter the data signal is applied to a dc restoration circuit formed by ic107b and ic10...

  • Page 74

    Circuit description 4-10 november 1999 part no. 001-7780-500 caused by high input levels from the internal or external microphone. The bias voltage to this stage and also to ic201a is produced by voltage divider r208/r207. 4.8.3 low-pass filter (ic205a/b) ic205a and ic205b form a low-pass splatter f...

  • Page 75

    5-1 november 1999 part no. 001-7780-500 battery pack and charger information section 5 battery pack and charger information 5.1 battery pack caution dispose of these batteries in accordance with local reg- ulations. Do not dispose in a land fill. Do not incinerate because an explosion may result. 5....

  • Page 76

    Battery pack and charger information 5-2 november 1999 part no. 001-7780-500 change in voltage) sensing to determine when the battery is nearly fully charged. This type of sensing prolongs battery pack life because overcharging is minimized. Operation is in the fast charge mode until the battery pac...

  • Page 77

    6-1 november 1999 part no. 001-7780-500 alignment procedure and performance tests section 6 alignment procedure and performance tests 6.1 general 6.1.1 introduction the alignment procedure described in this section should be performed if repairs are made that could affect the factory alignment. In a...

  • Page 78

    Alignment procedure and performance tests 6-2 november 1999 part no. 001-7780-500 $qwhqqd-dfn$gdswhu7khwudqvfhlyhudqwhqqdmdfn lvdq60$ihpdohw\sh7khuhiruhvrphvruwridgdswhu pd\ehuhtxluhgwrfrqqhfwwhvwhtxlsphqwwrwklvmdfn $q60$pdohwr%1&ihpdohdgdswhulvdydlodeohe\ rughulqj3duw1r 5)6ljqdo*hqhudwru:khqfrqqhfw...

  • Page 79

    Alignment procedure and performance tests 6-3 november 1999 part no. 001-7780-500 figure 6-2 pctune main screen 6.1.4 preliminary setup 1. With transceiver power turned off, connect the rpi to an unused serial port of the computer. Then connect the rpi to the accessory jack of the trans- ceiver usin...

  • Page 80

    Alignment procedure and performance tests 6-4 november 1999 part no. 001-7780-500 figure 6-3 connecting dc power 6.1.6 removing transceiver cover note: the transceiver cover needs to be removed only if the frequency and squelch adjustments described in sections 6.2.1 and 6.6 need to be reset. The fr...

  • Page 81

    Alignment procedure and performance tests 6-5 november 1999 part no. 001-7780-500 3. Follow the instructions on the screen and adjust for the best demodulated square wave with minimum tilt and overshoot. 6.4 audio deviation 1. If manually selecting each test, click the “tune” button in the “audio de...

  • Page 82

    Alignment procedure and performance tests 6-6 november 1999 part no. 001-7780-500 performance tests 6.8 receiver performance tests 6.8.1 preliminary setup this transceiver does not have a special test mode that can be selected to perform testing. Therefore, temporary conventional channels are progra...

  • Page 83

    Alignment procedure and performance tests 6-7 november 1999 part no. 001-7780-500 6.9 transmitter performance tests 6.9.1 power output refer to section 6.8.1 for information on test channels. Proceed as follows: 1. Connect a wattmeter and dummy load to the antenna jack as described in section 6.1.2....

  • Page 84

    Alignment procedure and performance tests 6-8 november 1999 part no. 001-7780-500 this page intentionally left blank..

  • Page 85

    7-1 november 1999 part no. 001-7780-500 parts list section 7 parts list ref no. Description part no. Chassis parts ep 01 b-3826b #1125-3a (chassis flex) 022-3906-001 ep 02 b-3827c #1125-3b (ptt sw flex) 022-3907-001 f 1 mca-3 (ccv-3a) fuse 022-3907-037 j 1 3a3-m10 antenna connector 022-3906-124 mp 0...

  • Page 86

    Parts list 7-2 november 1999 part no. 001-7780-500 ic 1 lc75834w 022-3907-015 j 1 52204-2990 022-3906-128 j 2 axn820735 022-3906-132 mp 01 10-key front panel (plastic) 022-3907-058 3-key front panel (plastic) 022-3907-087 mp 04 10-key rubber keypad 022-3907-077 3-key rubber keypad 022-3907-089 mp 06...

  • Page 87

    Parts list 7-3 november 1999 part no. 001-7780-500 c 5 c1608 ch 1h 330j-t-a 022-3906-070 ds 1 ln1371g-(tr) display/led 022-3906-098 ds 2 ln1371g-(tr) display/led 022-3906-098 ds 3 ln1371g-(tr) display/led 022-3906-098 ds 4 ln1371g-(tr) display/led 022-3906-098 j 1 axn720535 022-3906-131 mc 1 em-123h...

  • Page 88

    Parts list 7-4 november 1999 part no. 001-7780-500 r 21 erj3geyj 104 v resistor 022-3906-175 r 22 erj3geyj 331 v resistor 022-3906-389 r 23 erj3geyj 152 v resistor 022-3906-155 r 24 erj3geyj 122 v resistor 022-3906-390 r 25 erj3geyj 104 v resistor 022-3906-175 r 26 ntccm16084bh 222kc 022-3907-055 r ...

  • Page 89

    Parts list 7-5 november 1999 part no. 001-7780-500 c 035 c1608 ch 1h 040b-t-a 022-3906-609 c 036 c1608 ch 1h 150j-t-a 022-3906-067 c 037 c1608 ch 1h 330j-t-a 022-3906-070 c 038 c1608 ch 1h 330j-t-a 022-3906-070 c 040 c1608 jb 1c 473k-t-a 022-3906-080 c 041 c1608 jb 1h 471k-t-a 022-3906-059 c 042 c16...

  • Page 90

    Parts list 7-6 november 1999 part no. 001-7780-500 c 139 c1608 jb 1c 104kt-n 022-3906-614 c 140 0.5p c1608 ch 0.1p 022-3906-084 d 01 ma77 (tw) diode 022-3906-047 d 02 ma77 (tw) diode 022-3906-047 d 03 um9401f diode 022-3906-937 d 04 hsm88as-tr diode 022-3906-046 d 05 hsm88as-tr diode 022-3906-046 d ...

  • Page 91

    Parts list 7-7 november 1999 part no. 001-7780-500 q 18 2sc4215-y transistor 022-3906-320 q 19 dta144ee transistor 022-3907-024 q 20 dta144ee transistor 022-3907-024 q 21 dtc144ee tl transistor 022-3906-329 r 001 drj3geyj 561 v resistor 022-3906-151 r 002 erj3geyj 472 v resistor 022-3906-160 r 003 e...

  • Page 92

    Parts list 7-8 november 1999 part no. 001-7780-500 r 104 drj3geyj 561 v resistor 022-3906-151 w 1 ips-1041-2 022-3906-133 w 3 erj3ge-jpw v resistor 022-3906-185 w 4 erj3ge-jpw v resistor 022-3906-185 w 5 erj3ge-jpw v resistor 022-3906-185 w 6 erj3ge-jpw v resistor 022-3906-185 x 3 cr-626 022-3907-03...

  • Page 93

    Parts list 7-9 november 1999 part no. 001-7780-500 c 139 1 c2012 10v b 022-3907-034 c 140 4.7 10v msva 022-3906-361 c 141 1 c2012 10v b 022-3907-034 c 142 c1608 jb 1e 103kta 022-3906-063 c 143 1 c2012 10v b 022-3907-034 c 144 c1608 ch 1h 330j-t-a 022-3906-070 c 145 1 c2012 10v b 022-3907-034 c 150 0...

  • Page 94

    Parts list 7-10 november 1999 part no. 001-7780-500 c 449 c1608 ch 1h 330j-t-a 022-3906-070 c 450 c1608 ch 1h 330j-t-a 022-3906-070 c 451 c1608 ch 1h 330j-t-a 022-3906-070 c 454 c1608 ch 1h 330j-t-a 022-3906-070 c 456 1 c2012 10v b 022-3907-034 d 101 ma2s111-(tx) diode 022-3906-050 d 102 ma2s111-(tx...

  • Page 95

    Parts list 7-11 november 1999 part no. 001-7780-500 q 406 umd6 tl diode 022-3907-023 r 101 erj3geyj 154v resistor 022-3906-392 r 102 erj3geyj 104 v resistor 022-3906-175 r 103 erj3geyj 473 v resistor 022-3906-171 r 104 erj3geyj 473 v resistor 022-3906-171 r 105 erj3geyj 124 v resistor 022-3906-176 r...

  • Page 96

    Parts list 7-12 november 1999 part no. 001-7780-500 r 239 330k erj3ge resistor 022-3906-180 r 240 erj3geyj 103v resistor 022-3906-163 r 241 erj3geyj 683v resistor 022-3906-173 r 243 erj3geyj 103v resistor 022-3906-163 r 244 erj3geyj 103v resistor 022-3906-163 r 245 erj3geyj 331 v resistor 022-3906-3...

  • Page 97

    Parts list 7-13 november 1999 part no. 001-7780-500 fcn mp18 mp35 mp35 mp25 ent clr f1 f2 f3.

  • Page 98

    Parts list 7-14 november 1999 part no. 001-7780-500 ent display board ep3 (display) ep2 (display) ds6 (display) mp7 (display) mp4 (display) mp10 (4) (display) display board mp8 (display) mp12 (4) display) mp9 (4) (display) mp15 (display) sp1 (10-key) mp6 (display) mc1 (10-key) mp11 (display) mp1 (di...

  • Page 99

    Parts list 7-15 november 1999 part no. 001-7780-500 mp12 mp5 mp3 ep1 (jack assy) mp4 (2) (jack assy) mp13 (chassis) mp17 (chassis) j1/mp5 (jack assy) mp16 (2) (chassis) mp1 (jack assy) mp2 (jack assy) mp3 (jack assy) ep2 (logic assy) ep1 (logic board) mp46 mp45 mp8 mp7 mp2 mp6 mp10 mp36 (4) mp50 (pa...

  • Page 100

    Parts list 7-16 november 1999 part no. 001-7780-500 f1 mp33 mp27 mp28 mp29 mp34 mp22 mp26 mp30 mp18 mp24 mp23 mp32 mp34 mp27 mp32 mp52 (sticker).

  • Page 101

    8-1 november 1999 part no. 001-7780-500 schematic diagrams and component layouts section 8 schematic diagrams and component layouts c4 q1 c1 r8 r9 hc2 c5 c17 q2 c2 c9 r1 r4 r5 hr1 c16 r13 r6 r15 r12 r2 hr2 r3 c15 r7 fin gnd pllsk pllso pllst ta ld lo gnd rf5v lv gnd pll board top view ic2 q3 ic1 r16...

  • Page 102

    Schematic diagrams and component layouts 8-2 november 1999 part no. 001-7780-500 c7 c6 c4 c1 q4 c10 c25 c9 c13 c14 hr1 c35 l2 c18 r9 c23 r21 d3 r16 r15 r14 hc1 r22 c30 c33 r24 r28 r29 r27 c11 r4 q2 c12 r5 r19 c20 c21 r17 r18 c29 gnd gnd rf5c rf5v cpv vco v vcc ic3 c15 q3 x1 c24 c26 r23 r13 r20 c8 c3...

  • Page 103

    November 1999 part no. 001-7780-500 8-3 transceiver block diagram rx freq minus 45.225 mhz first mixer q2 fi2 fi3 q2 if amp det rssi d13/ d14 wide/narrow band switch wide/narrow band switch ceramic bandpass filter ceramic bandpass filter ceramic bandpass filter fi6 fi5 bandpass filter noise detector...

  • Page 104

    November 1999 part no. 001-7780-500 8-4 ic1 fi7 hc6 c140 r77 d10 fi4 fi5 fi6 q18 c104 ic3 hc15 x3 fi1 fi2 c49 r39 c50 c55 hc20 c122 c47 c40 q6 r30 r29 r31 c42 r28 c41 r27 c54 c97 r75 r76 r74 r72 c96 r73 q5 q14 w1 l33 l26 l25 c52 hc12 c91 ic4 c95 c94 l30 c133 c134 c132 l28 c128 r87 c131 c130 r86 c129...

  • Page 105

    November 1999 part no. 001-7780-500 pwr adjust 0.047 c119 33p c60 pwr tmut t5v batt mod ltr ta 33p c102 33p c101 33p c100 33p c93 c hc1 +5v pwr pllsk ulock pllst ltr batt pllso mod t5v tmut 33p c107 33p c106 33p c105 33p c104 33p c112 sqlc axk6s30645p j1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 ...

  • Page 106

    November 1999 part no. 001-7780-500 1 5 to accessory jack to ptt board 1 10 11 20 ic209 ic205 ic210 j3 x2 c304 c305 c303 c123 ic104 ic105 ic106 c401 d403 d311 r163 r335 c419 c36 c32 j2 hc2 hc1 r332 r309 r308 r333 c55 c54 c216 c218 r239 ic206 ic203 ic204 w4 w5 c205 r211 q405 j4 ic306 q406 x1 c433 c44...

  • Page 107

    November 1999 part no. 001-7780-500 tx_in tx_out sw_batt 39k r202 39k r201 tc4w66fu ic204 5 8 7 6 4 3 2 1 0.1 c206 0.1 c228 33p c450 33p c443 33p c435 33p c436 33p c434 33p c437 33p c451 5.6k r166 18k r143 100 r245 1 c204 mc33111d ic208 6 1 c c v 5 1 o e 4 1 i e 3 1 c n 2 1 m e 1 1 f e 0 1 2 o i 9 2...

  • Page 108

    November 1999 part no. 001-7780-500 r8 c2 r9 c4 c5 c7 hr2 c6 hr3 r3 r18 hr1 r7 q2 q4 q1 q3 1 29 j1 ic1 gnd gnd spe spe sp sp l5v disso dissk disst disen keys0 keys1 keys2 keys3 keyr0 keyr1 keyr2 keyr3 txled bsyled ba tled bkled gnd mice mic gnd gnd gnd c1 r2 r13 r11 r14 r12 r16 r15 r1 c3 r17 ds3 ds4...

  • Page 109

    Schematic diagrams and component layouts 8-9 november 1999 part no. 001-7780-500 k c s m o s m p s e p s d n g d n g e p s p s l 5 + 52204-2990 j1 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 d e l k b d e l t a b d e l y s b d e l x t 3 r y e k 2...

  • Page 110

    Schematic diagrams and component layouts 8-10 november 1999 part no. 001-7780-500 ds1 ds3 ds4 ds2 1 (phon) 2 (str) 3 (home) sys (rcl) grp (clr) 6 5 4 7 (s.A/d) 8 9 scan (snd) # 0 ( ) * j1 hc5 hc6 hc7 hc8 1 2 20 19 q1 hc11 hc12 hc10 hc9 spe sp gnd gnd l5v bkled gnd gnd mice mic hc2 r3 r5 hc4 hc3 r4 r...

  • Page 111

    Schematic diagrams and component layouts 8-11 november 1999 part no. 001-7780-500 d e l k b e p s p s d n g d n g l 5 + d n g d n g e c i m axn720535 j1 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 c hc10 c hc9 c i m c hc12 c hc11 120 r10 ln1371g-(tr) ds1 ln1371g-(tr) ds2 ln1371g-(t...

  • Page 112

    Schematic diagrams and component layouts 8-12 november 1999 part no. 001-7780-500 speaker microphone c4 c2 c1 r1 q1 j1 hc8 hc7 c3 hc6 r8 r6 hc5 r4 r3 r2 hc1 c5 hc4 hc3 hc2 1 19 20 2 ds1 ds2 scan a/d ( ) menu 3-key board front view 3-key board back view.

  • Page 113

    Schematic diagrams and component layouts 8-13 november 1999 part no. 001-7780-500 d e l k b d n g e p s p s d n g l 5 + d n g d n g e c i m axn720535 j1 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 9 8 7 6 5 4 3 2 1 c i m ln1371g-(tr) ds1 ln1371g-(tr) ds2 220 r6 33p c5 10k r8 2sa1576 q1 c hc8 c hc7 c...

  • Page 114

    Schematic diagrams and component layouts 8-14 november 1999 part no. 001-7780-500 notes.

  • Page 116

    Part no. 001-7780-500 11-99hph printed in u.S.A..