EFJohnson 7780 service manual MHz Channels

Page 59

TRANSCEIVER PROGRAMMING

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq.	Freq

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	851.8875		806.8875
37	851.9125		806.9125
38	851.9375		806.9375
39	851.9625		806.9625
40	851.9875		806.9875
41	852.0125		807.0125
42	852.0375		807.0375
43	852.0625		807.0625
44	852.0875		807.0875
45	852.1125		807.1125
46	852.1375		807.1375
47	852.1625		807.1625
48	852.1875		807.1875
49	852.2125		807.2125
50	852.2375		807.2375
51	852.2625		807.2625
52	852.2875		807.2875
53	852.3125		807.3125
54	852.3375		807.3375
55	852.3625		807.3625
56	852.3875		807.3875
57	852.4125		807.4125
58	852.4375		807.4375
59	852.4625		807.4625
60	852.4875		807.4875
61	852.5125		807.5125
62	852.5375		807.5375
63	852.5625		807.5625
64	852.5875		807.5875
65	852.6125		807.6125
66	852.6375		807.6375
67	852.6625		807.6625
68	852.6875		807.6875
69	852.7125		807.7125
70	852.7375		807.7375
71	852.7625		807.7625
72	852.7875		807.7875
73	852.8125		807.8125
74	852.8375		807.8375

800 MHz Channels

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq.	Freq

75	852.8625		807.8625
76	852.8875		807.8875
77	852.9125		807.9125
78	852.9375		807.9375
79	852.9625		807.9625
80	852.9875		807.9875
81	853.0125		808.0125
82	853.0375		808.0375
83	853.0625		808.0625
84	853.0875		808.0875
85	853.1125		808.1125
86	853.1375		808.1375
87	853.1625		808.1625
88	853.1875		808.1875
89	853.2125		808.2125
90	853.2375		808.2375
91	853.2625		808.2625
92	853.2875		808.2875
93	853.3125		808.3125
94	853.3375		808.3375
95	853.3625		808.3625
96	853.3875		808.3875
97	853.4125		808.4125
98	853.4375		808.4375
99	853.4625		808.4625
100	853.4875		808.4875
101	853.5125		808.5125
102	853.5375		808.5375
103	853.5625		808.5625
104	853.5875		808.5875
105	853.6125		808.6125
106	853.6375		808.6375
107	853.6625		808.6625
108	853.6875		808.6875
109	853.7125		808.7125
110	853.7375		808.7375
111	853.7625		808.7625
112	853.7875		808.7875
113	853.8125		808.8125
114	853.8375		808.8375
115	853.8625		808.8625
116	853.8875		808.8875
117	853.9125		808.9125
118	853.9375		808.9375
119	853.9625		808.9625
120	853.9875		808.9875
121	854.0125		809.0125
122	854.0375		809.0375
123	854.0625		809.0625
124	854.0875		809.0875

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq	Freq

125	854.1125		809.1125
126	854.1375		809.1375
127	854.1625		809.1625
128	854.1875		809.1875
129	854.2125		809.2125
130	854.2375		809.2375
131	854.2625		809.2625
132	854.2875		809.2875
133	854.3125		809.3125
134	854.3375		809.3375
135	854.3625		809.3625
136	854.3875		809.3875
137	854.4125		809.4125
138	854.4375		809.4375
139	854.4625		809.4625
140	854.4875		809.4875
141	854.5125		809.5125
142	854.5375		809.5375
143	854.5625		809.5625
144	854.5875		809.5875
145	854.6125		809.6125
146	854.6375		809.6375
147	854.6625		809.6625
148	854.6875		809.6875
149	854.7125		809.7125
150	854.7375		809.7375
151	854.7625		809.7625
152	854.7875		809.7875
153	854.8125		809.8125
154	854.8375		809.8375
155	854.8625		809.8625
156	854.8875		809.8875
157	854.9125		809.9125
158	854.9375		809.9375
159	854.9625		809.9625
160	854.9875		809.9875
161	855.0125		810.0125
162	855.0375		810.0375
163	855.0625		810.0625
164	855.0875		810.0875
165	855.1125		810.1125
166	855.1375		810.1375
167	855.1625		810.1625
168	855.1875		810.1875
169	855.2125		810.2125
170	855.2375		810.2375
171	855.2625		810.2625
172	855.2875		810.2875
173	855.3125		810.3125
174	855.3375		810.3375

	November 1999
3-23	Part No. 001-7780-500

Image 59

Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Figures List of TablesScope of Manual Equipment Description General InformationTransceiver Identification AccessoriesFactory Customer Service Part Number BreakdownFactory Returns AccessoriesAccessory Toll-Free 800Definitions Replacement PartsInternet Home Intrinsically Safe Information Classification of Hazardous Areas and Atmospheres Temperature Code T3CPossible Ignition Sources Intrinsically Safe and Nonincendive RatingsArea Classification Accessing PC BoardsMaterial Classification Typical Hazard Group ClassRemoving Logic Unit Removing RF UnitGeneral SpecificationsControls and Display FeaturesTransceiver Operation Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay DisplayFront Panel Keys Full Keypad Model Backlight Turning Power on and Setting VolumeOption Switches General OperationSee Option Switch FunctionsFunction Conv Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Monitoring Before Transmitting Conventional FeaturesDisplay Mode Selection Call Guard Squelch Monitor ModeBusy Channel Lockout Conventional Mode Scanning Penalty TimerConversation Timer Power Output SelectPriority Channel Sampling Standard Conventional Calls DTMF/ANI SignalingEnhanced Private Conversation Calls SMARTNET/SMARTZONE FeaturesViewing Unit ID Standard Group CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Sending Status Conditions Emergency Alarm and CallMessaging Dynamic Regrouping Failsoft OperationSMARTNET/SMARTZONE Scanning Supervisory Tones Zone Change Parameter Keypad ProgrammingMenu Description Channel Parameters Channel Change ParameterSystem Parameters Computer Description Programming SetupPctrunk Software Installation Transceiver ProgrammingHelp Files Connecting RPI to Computer and TransceiverStarting and Exiting Programming File TypesCreating and Displaying Systems Screen Pop-Up Buttons and File Size IndicatorProgramming Procedure File Size IndicationMenu Bar Menu CommandsWindow Menu Radio Type MenuDownload Menu Upload Menu Systems MenuZones DefaultsRADIO-WIDE Parameter Screens BandAssign Function Buttons Radio Wide Scan ListRadio-Wide Scan List Screen Modify List ScreenHot Dtmf RADIO-WIDE Conventional ScreenRADIO-WIDE SMARTNET/SMARTZONE Screen Full Spectrum CC ScanConventional System General Screen Adjustable ParametersRADIO-WIDE Portable Options Screen Programming Conventional Systems and ChannelsScan List Button TimersConventional System Modify Scan List Screen Keypad EditingPriority Channel Selection Scan TimersSetting UP Conventional Channels Selected Channel Conventional Channel Screen ParametersTx Time-Out Transmit PowerSignaling Channel TypeSplinter Channels Restricted AccessTime-Out Timer ISW Delay TimePrivate Call SMARTNET/SMARTZONE System Other ID’S ScreenSMARTNET/SMARTZONE System Phone Interconnect Screen Phone InterconnectFailsoft Channel SMARTNET/SMARTZONE System Emergency Settings ScreenEmergency Alarm SMARTNET/SMARTZONE System Talk Groups ScreenMessage Aliasing Screen SMARTNET/SMARTZONE System Lists ScreensTrunking Phone List Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen SMARTNET/SMARTZONE Channel Screen Parameters Setting UP SMARTNET/SMART- Zone ChannelsStatus Aliasing Screen Other Screen Parameters SMARTNET/SmartZone Channel ScreenRecommended Tone Call Guard Codes Freq Call Guard CTCSS/DCS Codes and TonesMHz Channels MHz Channels MHz Channels MHz Channels MHz Channels MHz Channels Synthesizer Description Power Switching and RegulationPower Switching Circuit DescriptionCharge Pump Q1, Q2, Loop Filter VCO and Tcxo ModulationSynthesizer Chip IC1 If Amplifier Q2, LIMITER/DETECTOR IC3 Receiver Circuit DescriptionRF Amplifier Q1, First Mixer Q2 Amplifier Q9, Driver Q8 Antenna Switch and LOW-PASS FilterSquelch Circuit IC4A/B, IC5A Transmitter DescriptionReceive Audio Processing Control Logic and DisplayPin Port Name Input or Description Active High Output Microprocessor IC306 Pin DescriptionsHvfulswlrq Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Audio Amplifier IC104-IC106Receive and Transmit Data Processing Transmit Audio Processing Transmit Data Filter IC206B/ IC206ASmartnet Data Processing LOW-PASS Filter IC205A/BFunction Fahrenheit Celsius Battery Pack and Charger InformationBattery Pack Power Setting Operating TimeBattery Pack and Charger Information Test Setup Alignment Procedure and Performance TestsMm/3/32 Mm/1/8 Phone Jack Tune Software HqhudoMain Pctune Screen Preliminary SetupModulation Balance Transmit Frequency and PowerTransmit Power Adjustment Screen High Power Level = 3.0 watts Low Power Level = 1.0 wattData Deviation Squelch AdjustRssi Adjust Audio DeviationReceiver Performance Tests Performance TestsTransmit Modulation Power OutputTransmitter Performance Tests Transmit FrequencyThis page intentionally left blank Ref No Description Parts ListDisplay Assembly Chassis PartsDisplay Assembly KEY AssemblyIf Assembly If AssemblyKEY Assembly RF Unit PLL AssemblyRF Unit NJM2904V-TE1 IC RF Unit Logic Unit Logic Unit TDA7233D IC Logic Unit 200K ERJ3GE MP35 MP18 MP25 EP2 KEY Front PanelEP1 MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 PLL Board Bottom View Schematic Diagrams and Component LayoutsPLL Board TOP View If Board Bottom View If Board TOP ViewRF Unit Transceiver Block DiagramMIC RF Board TOP ViewIf AMP RF Board SchematicHD1 Logic Board TOP ViewReceive Audio Processing Logic Board SchematicGND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GND Display Board Bottom ViewDS3 DS4 DS5 Display Board SchematicKEY Board Back View KEY Board Front ViewS S R R R R KEY Board SchematicScan HC2 HC7 HC8 HC3 Schematic Diagrams and Component Layouts