Motorola GP328 Plus - Page 14

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Controller Audio Power Amplifier Schematic Diagram..........................................4-15
Controller Parts List for VHF (for 8404051G07/G08 and 8404051G09) ...............4-16
Controller Parts List for UHF 1, UHF 2 and 330MHz (for 8404051G07/G08 and
8404051G09)................................................................................................4-17
3.7 Controller Board Diagrams ...........................................................................4-18
Controller Board Top View (PCB No. 8404056G01).............................................4-18
Controller Board Bottom View (PCB No.8404056G01) ........................................4-19
Controller Board Top View (PCB No. 8404056G02).............................................4-20
Controller Board Bottom View (PCB No. 8404056G02) .......................................4-21
3.8 Controller Schematics...................................................................................4-22
Complete Controller Schematic Diagram..............................................................4-22
Controller ASFIC/ON_OFF Schematic Diagram...................................................4-23
Controller Micro Processor Schematic Diagram ...................................................4-24
Controller Memory Schematic Diagram ................................................................4-25
Controller Audio Power Amplifier Schematic Diagram..........................................4-26
Controller Interface Schematic Diagram (for 8404056G01)..................................4-27
Controller Interface Schematic Diagram (for 8404056G02)..................................4-28
Controller Parts List for VHF (for 8404056G01/G02)............................................4-29
Controller Parts List for UHF 1, UHF 2 and 330MHz (for 8404056G01/G02).......4-31
Section 5A Model Chart and Test Specifications (136-174 Mhz)
1.0 Model Chart....................................................................................................... 5A-1
2.0 Specifications (for GP328 Plus) ........................................................................ 5A-2
3.0 Specifications (for GP338 Plus/GP338 XLS) .................................................... 5A-3
4.0 Transmitter ........................................................................................................ 5A-4
4.1 General ........................................................................................................ 5A-4
5.0 Receiver ............................................................................................................ 5A-6
5.1 Receiver Front-End...................................................................................... 5A-6
5.2 Receiver Back-End ...................................................................................... 5A-7
5.3 Automatic Gain Control Circuit .................................................................... 5A-8
6.0 Frequency Generation Circuitry ........................................................................ 5A-9
6.1 Synthesizer ................................................................................................ 5A-10
6.2 VCO - Voltage Controlled Oscillator .......................................................... 5A-11
7.0 Notes For All Schematics and Circuit Boards ................................................. 5A-13
8.0 Circuit Board/Schematic Diagrams and Parts List .......................................... 5A-15
VHF (136-174MHz) Main Board Top Side PCB No. 8404055G05/G06/G07..... 5A-15
VHF (136-174MHz) Main Board Bottom Side
PCB No. 8404055G05/G06/G07 ............................................................... 5A-16
VHF (136-174MHz) Main Board Top Side PCB No. 8404055G09 .................... 5A-17
VHF (136-174MHz) Main Board Bottom Side PCB No. 8404055G09 ............... 5A-18
VHF Controls And Switches Schematic Diagram (sheet 1 of 2) ........................ 5A-19
VHF Controls And Switches Schematic Diagram (sheet 2 of 2) ........................ 5A-20
VHF Controls And Switches Schematic Diagram
(sheet 2 of 2 for 8404055G09 PCB) .......................................................... 5A-21