EFJohnson 001-9800-001, 001-9800-200, 9800 SERIES, 984X SERIES, 988X SERIES, 989X SERIES AUDIO/LOGIC BOARD COMPONENT LOCATOR GUIDE

COMPONENT LOCATOR GUIDES

6-12 February 2001

Part No. 001-9800-001

R 816 B3

R 817 A4

R 818 A3

R 819 A4

R 820 C3

R 821 A4

R 822 C3

R 823 B3

R 824 A4

R 825 A3

R 826 A4

R 827 A2

R 828 C3

R 829 B3

R 830 A1

R 831 A3

R 832 A1

Comp. Location

R 833 A1

R 834 A4

R 835 A3

R 836 A1

R 837 A1

R 838 B3

R 839 A2

R 840 A4

R 841 A4

R 842 A2

R 843 A2

R 845 B3

R 846 B3

R 848 B3

R 849 B2

R 850 A4

R 851 B2

Comp. Location

R 852 B2

R 853 B2

R 854 B2

R 855 B3

R 856 A1

R 857 B1

R 858 B1

R 859 B1

R 860 A1

R 861 A1

R 862 A1

R 863 B1

U 201 A4

U 500 B2

U 501 B4

U 502 B3

Comp. Location

U 800 A4

U 801 B3

U 802 B3

U 803 A4

U 804 B3

U 806 A3

Z 200 C5

Z 201 C5

Z 202 A5

Z 203 B4

Z 204A B5

Z 204B A5

Z 205 A4

Z 206 A5

Comp. Location

AUDIO/LOGIC BOARD COMPONENT LOCATOR GUIDE

The following guide can be used to locate components on the audio/logic board layout on pages 6-22. Refer

to the grid around the board to determine the approximate location of a component.

Comp. Location

C 100 A3

C 101 C1

C 102 C1

C 103 C1

C 104 A1

C 105 C1

C 106 C1

C 107 A1

C 108 C2

C 109 C2

C 110 C1

C 111 A2

C 112 B2

C 113 C1

C 114 C2

C 115 B2

C 116 A1

C 117 A2

C 118 B2

C 119 A2

C 120 B2

C 121 B3

C 300 C4

C 301 C4

C 302 C4

C 303 C5

C 304 C5

C 305 C5

C 306 C5

C 307 C5

C 308 C5

C 309 C5

C 310 C5

C 311 B5

C 312 B5

C 313 B5

C 314 B5

C 315 B5

C 316 B5

C 317 B5

C 318 C4

C 319 B5

Comp. Location C 320 B5

C 321 B5

C 322 B5

C 323 B5

C 324 B5

C 325 C4

C 326 B4

C 327 A4

C 328 B5

C 329 C3

C 330 B5

C 331 A4

C 332 A4

C 333 A3

C 334 A4

C 335 A4

C 336 A4

C 337 A4

C 338 A4

C 339 A3

C 340 A4

Comp. Location C 341 A4

C 342 A3

C 343 A4

C 344 A3

C 345 A4

C 346 B4

C 347 B4

C 348 B3

C 349 B4

C 350 B4

C 351 B4

C 352 B4

C 353 A4

C 354 B3

C 355 C5

C 356 B5

C 357 A4

C 358 A4

C 359 C5

C 360 B4

C 361 B4

Comp. Location

800/900 MHz RF BOARD COMPONENT LOCATOR GUIDE (CONT’D)

Contents

Main SERVICE MANUAL 984XSERIES (UHF) 988 989XSERIES (900 MHZ) 98xx-SERIES FM TWO-WAY RADIO SERVICE MANUAL TABLE OF CONTENTS 1 GENERAL INFORMATION 2 INSTALLATION 3 CIRCUIT DESCRIPTION TABLE OF CONTENTS (CONTD) 4 SERVICING 5 PARTS LIST 6 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS LIST OF TABLES LIST OF FIGURES SECTION 1 GENERAL INFORMATION 242 - 9 8 x x -x Page Page UHF 984x SPECIFICATIONS 800 MHz 988x SPECIFICATIONS 900 MHz 989x SPECIFICATIONS SECTION 2 INSTALLATION WAR NI NG Page Page Page Page CAUTION Page Page SECTION 3 CIRCUIT DESCRIPTION Page 3-3 February 2001 Figure 3-1 Power Distribution and Switching POWER DISTRIBUTION (ALL MODELS) Note:Arrows Indicate Signal Flow. Figure 3-2 Power On-Off Control Circuit Interface Board (HighTier Only) Page Page Page Page Figure 3-3 Audio and Data Processing Circuitry Block Diagram AUDIO/LOGIC DESCRIPTION (ALL MODELS) 3-8 February 2001 RECEIVEAUDIO TRANSMITDATA Page Page Page Figure 3-4 RF Block Diagram (UHF Models) UHF SYNTHESIZER DESCRIPTION 3-13 February 2001 Synthesizer Receiver Power Amplifier Switching Page Page Page Page Page Page Page Page Figure 3-7 RF Block Diagram (800/900 MHz Models) 800/900 MHz SYNTHESIZER DESCRIPTION 3-23 February 2001 Synthesizer Receiver Power Amplifier Switching Page Page Page Page Page Page Page Page Page SECTION 4 SERVICING CAUTION Page Page Page Page SECTION 5 PARTS LIST FRONT PANEL ASSEMBLY AND MECHANICAL PARTS FRONT PANEL ASSEMBLY AND MECHANICAL PARTS (CONTD) UHF RF AND PA BOARDS UHF RF AND PA BOARDS Page Page Page Page Page Page Page Page Page Page Page Page Page Page 800/900 MHZ RF AND PA BOARDS 800/900 MHz RF AND PA BOARDS Page Page 800/900 MHz RF AND PA BOARDS (CONTD) Page Page Page AUDIO/LOGIC BOARD (ALL MODELS) AUDIO/LOGIC BOARD Page Page Page Page 9800-SERIES RADIO MOUNTING KIT PART NO. 023-9800-030 9800-SERIES REMOTE MOUNTING KIT PART NO. 023-9800-040 DC POWER CABLE AND HARDWARE KIT PART NO. 023-9800-410 (10 Ft) PART NO. 023-9800-422 (22 Ft) ACCESSORY WIRE KIT PART NO. 023-9750-011 AMPLIFIED DYNAMIC MICROPHONE PART NO. 250-0740-300 FRONT PANEL EXPLODED VIEW FRONT AND TOP MECHANICAL PARTS BOTTOM MECHANICAL PARTS 5-32 5-33 REMOTE CONTROL UNIT MECHANICAL PARTS REMOTE TRANSCEIVER MECHANICAL PARTS TRANSISTOR AND DIODE BASING DIAGRAMS SECTION 6 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS TRANSISTORS Part Number Basing Diagram Identification DIODES Page Page 6-4 PA BOARD AUDIO / LOGIC BOARDRF BOARD 7A 8B P1 1 INTERCONNECT SCHEMATIC J3 1 21J2 19 20 S1 2 DISPLAY BOARD TOP VIEW DISPLAY BOARD BOTTOM VIEW 6-6 February 2001 Part No. 001-9800-001 R17 RPI (P.N. 023-9800-000) BOARD LAYOUT A 1 2 3 4 5 6 B RPI (P.N. 023-9800-000) SCHEMATIC A 1 2 3 4 5 6 B Orange Black Red Green Yellow Blue Grey Brown RF BOARD COMPONENT LOCATOR GUIDE (UHF) Page Page RF BOARD COMPONENT LOCATOR GUIDE (800/900 MHZ) Page Comp. Location AUDIO/LOGIC BOARD COMPONENT LOCATOR GUIDE Page Comp. Location 6-15 EXCITER RF BOARD SCHEMATIC (REVISED 430-470 MHZ) PA BOARD SCHEMATIC (25W, 430-470 MHZ) 6.6 NOTES: 1. POWER CONTROL 5 A 1 RF BOARD LAYOUT (430-512 MHZ) 2 3 VCO BOARD LAYOUT (430-512 MHZ) PA BOARD LAYOUT (25W, 430-512 MHZ) 6-18 .4 TX 13.6 RX PA BOARD SCHEMATIC (40W, 430-470 MHZ) PA BOARD LAYOUT (40W, 430-512 MHZ) 6-19 February 2001 6-20 EXCITER RF BOARD SCHEMATIC (UNREVISED 430-470 MHZ) 0.5V RF 5.8 13 .4 5 A B CA Go To Page 6-22 C575 C544 RF BOARD SCHEMATIC (470-512 MHZ) PA BOARD SCHEMATIC (25W, 470-512 MHZ) 6.6 NOTES: 1. POWER CONTROL 5 A 1 RF BOARD LAYOUT (430-512 MHZ) 2 3 800/900 MHz RF Board Schematic C119 PA BOARD LAYOUT (25W, 430-512 MHZ) Q102 VCO BOARD LAYOUT (430-512 MHZ) PA BOARD SCHEMATIC (40W, 470-512 MHZ) .7 TX 0 RX 6-26 February 2001 PA BOARD LAYOUT (40W, 430-512 MHZ) Go To Page 6-27 6-27 EXCITER RF BOARD SCHEMATIC (800/900 MHZ) PA BOARD SCHEMATIC (15W, 800/900 MHZ) NOTES: POWER CONTROL SYNTHESIZER RECEIVER 2 ABC 1 RF BOARD LAYOUT (800 MHZ) 3 4 2 6-29 February 2001 A900 VCO RF BOARD LAYOUT (900 MHZ) 3 VCO BOARD LAYOUT (800/900 MHZ) PA BOARD LAYOUT (15W , 800/900 MHZ) PA BOARD SCHEMATIC (30W, 800/900 MHZ) 6-31 6-32 February 2001 J601 PA BOARD LAYOUT (30W , 800/900 MHZ) U600 Q651 6-33 29 AUDIO/LOGIC BOARD SCHEMATIC 26 97 NOTES: TRANSMIT DATA RECEIVE AUDIO 3 45 AUDIO/LOGIC BOARD LAYOUT C B 3 4 5 A A B