Crown Low Power Transmitters - Crown Broadcast

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SEE NOTE 10 TOP SIDE COMPONENT MAP, FM-VFM EXCITER UNCONTROLLED UNLESS OTHERWISE MARKED IN RED BY CM AS A CONTROLLED COPY, COPIES OF THESE DOCUMENTS AND ASSOCIATED ELECTRONIC FILES ARE UNCONTROLLED AND ARE FOR REFERENCE ONLY. THESE DRAWINGS, SPECIFICATIONS AND ASSOCIATED ELECTRONIC FILES ARE THE PROPERTY OF INTERNATIONAL RADIO AND ELECTRONICS CORP., AND SHALL NOT BE REPRODUCED, COPIED, OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION. SIZE B DWG. NO. PWB: 200440-PWB-A.PCB 200440-PWA M200440PT-A.DOC SCALE: N/A PROJECT #: 509 SHEET: 1 OF 1 REV A
H 1 2 3 4 5 6 DWG. NO. REV. 8 9 10 11 12 200440-SCH A REVISION HISTORY APPROVALS E . C . N. REV DESCRIPTION DATE DWN CHK CM PE 1 FOR PROTOTYPE 01-04-02 DW 2 MODIFIED PER MIKE SENEKI 02-06-02 DW 3 CHG'D R18 PER EAD MRH01. R18 WAS 91K OHM. U5 WAS C 6900-5 06-24-02 DW 246 A-G 4 R8 WAS 1.0K OHM. 05-23-03 DW 277 A PRODUCTION RELEASE 01-29-04 DW DW DP H +8V 88-108 MHZ G F E D C B A HD1 HEADER 5X2 10 C_L_SHT1_A.DOT REV. A RF OUT COMPOSITE IN -12V +5V GND DATA CLOCK LOAD +5V PL1 HEADER 5X2 +12V Local/Remote /LOCK LOCK FSK-ID-CHAN REMOTE FREQUENCY CONTROL 9 7 5 3 1 8 6 4 2 D1 1N4148 RP1 100K RPACK 4 10 U4B 74HC14 SW1 10 9 8 7 6 5 4 3 2 1 9 7 5 3 1 8 6 4 2 3 26 24 22 20 18 16 14 12 10 8 6 4 2 5 4 3 2 1 U1 74HC165 SER A J1 25 23 21 19 17 15 13 11 9 7 5 3 1 SW2 2 RECEPT 13X2 5 4 3 2 1 U4A 74HC14 B C D E F FSK-R 9 QH G H SW3 10 11 12 13 14 3 4 5 6 7 QH CLK INH SH/LD 2 15 1 -12V +12V GND GND 5 4 3 2 1 1 C1 33PF NPO U2 74HC165 SER A SW4 5 4 3 2 1 COMPOSITE IN Local/Remote FSK R5 1.0K 1% 10.24MHZ Y1 R4 100K 1% C2 39PF NPO SW5 G H B C D E F 9 QH 10 11 12 13 14 3 4 5 6 5 4 3 2 1 7 QH CLK INH SH/LD 2 15 1 10 9 8 7 6 5 4 3 2 1 C3 1-10PF OSC in OSC out R2 10.0K 1% D2 1N4148 TP LOAD DATA CLK R1 10.0K 1% RP2 100K RPACK C41 100PF Frequency Select 8 9 C35 .001 PB1 RESET +5V 1 2 3 4 5 6 7 8 9 RA2 RA3 RTC CLR VSS RB0 RB1 RB2 RB3 1 2 3 Fin 4 5 6 7 8 U3 PIC16C61 R17 1K BECKMAN D3 1N4148 C42 .001 CH. SEL. DIRECT FSK ID FSK C6 100PF R19 25K LF SEP. AUTO ID LOCK DET. +5V BAND LIMIT R45 10K R24 150 R44 10.0K 1% R46 39K +5V R43 1.0K R47 1.0K 1% 1% 9 8 5 6 U4D 74HC14 FSK BAL. UNCONTROLLED 2 A2 1 MAR-6 U4C 74HC14 UNLESS OTHERWISE MARKED IN RED INK BY CM AS A CONTROLLED COPY, COPIES OF THESE DOCUMENTS INCLUDING ASSOCIATED ELECTRONIC REPRODUCTIONS ARE FOR REFERENCE ONLY. THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF INTERNATIONAL RADIO CORP. AND SHALL NOT BE REPRODUCED, COPIED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION. 1 2 3 4 5 6 7 8 9 10 11 12 C31 .001 C32 .001 R48 1.0K 1% C7 .001 13 12 U4F 74HC14 U6 VDD R7 10 16 C11 .001 1 16 15 2 15 C4 C13 14 3 14 1 3900PF 13 9 4 13 12 5 12 R6 8 U5C 11 6 11 100K 10 10 7 10 1% MC33284P R10 9 100K 8 9 1% MC145170 R8 100 CLOCK 1% /ENABLE D12 DATA 1N4148 +5V 6 7 VDD U5B 5 R13 100K R3 MC33284P 1% 150K 18 RA1 17 RA0 16 R14 OSC1 15 100K OSC2 C5 14 1% VDD 13 .001 POLY RB7 12 R21 RB6 11 100K RB5 10 1% RB4 D5 1N4148 C28 1 POLY R20 1M R18 VU5 68K C43 2 D4 1 1 1N4148 U5A 3 MC33284P C29 R27 10.0K 1% R28 10.0K 1% R41 10.0K 1% R42 10.0K 1% R40 10.0K 1% D6 1N4148 1 2 3 4 5 6 7 8 9 10 + C30 10/35V TANT. HD2 HEADER 5X2 4 11 DL3 AMBER R9 100K 1% 1 R22 200K C12 1 R23 1M POLY C8 1 3 R11 100K 1% C14 .001 POLY D7 1N4148 + C27 10/35V TANT. 11 10 D9 1N4148 13 12 D10 1N4148 U4E 74HC14 MC33284P U5D +5V D8 1N4148 R15 100K 1% TP1 14 C33 33pF C9 .001 C10 .001 /LOCK R12 1.0K 1% R16 100K 1% FSK-R LOCK C15 0.01 DL1 GREEN DL2 RED +5V R80 24.3K 1% R90 499 1% C76 0.1 R25 680 R26 680 +12V R88 30.1K 1% DWN CHK CM PE K VU5 C77 0.1 R82 24.3K 1% FILENAME: 3 2 3 3 R30 10 R61 10.0K 1% C62 220pF R64 4.99K R65 100K 1% 8 4 +12V R85 2K PWR. CNTRL. OFFSET IN IN VR3 LM317 C 2 C 2 R62 100 1% OUT VR2 LM78L05 OUT APPROVALS DISTRIBUTION 1 +12V 8 NE5532 U7A 4 VVCO R63 39 1 1 R33 100 1% 7 5 3 1 8 6 4 2 2 37 R51 237 1% R52 1.27K 1% +12V VCO61 POS-150 IREC INTERNATIONAL RADIO AND ELECTRONICS CORP. 25166 LEER DRIVE ELKHART, IN. 46514 574-262-8900 WWW.IREC1.COM TITLE: SIZE C R66 150 U7B NE5532 C19 .001 -12V R81 10.0K U8A 1 1% 6 TL072 5 R89 26.7K 1% + C36 10/35V TANT. 1% C78 0.1 R87 10K PWR. CNTRL TILT R86 -12V 680.0 C79 0.1 D14 6.2V 1N753A + C37 10/35V TANT. DW 01-04-02 DJ 01-05-02 DW 01-05-02 DP 01-05-02 + C61 47/20V TANT. R67 15 8.26V SCALE : NONE 5 6 C81 1000pF R68 499K 1% U8B TL072 + C39 10/35V TANT. DWG . NO . R35 499K 1% + D11 C21 1N4148 10/35V TANT. 7 + C38 10/35V TANT. C40 1 +8V C23 .001 C24 33pF NPO +5V C44 1 R84 5.11K 1% 200440-SCH PROJ NO. C22 .001 1 +8V R83 5.11K 1% G Q72 IRFD9120 TP2 4.5 - 8.0V 3 NOTES : MAR-6 A1 S D +8V 2 R38 15 R39 100 1% C26 .001 1. ALL RESISTORS ARE IN OHMS, 1/4W, 5% TOL. 2. ALL CAPACITORS ARE IN MICROFARADS. 509 1 D13 3.9V SCH, FM-VFM RF EXCITER JP1 JUMPER 2 C80 0.1 SHEET C82 .01 RF OUT UNLESS OTHERWISE SPECIFIED: REFERENCE DESIGNATORS NOT USED: C16, C17, C18, C20, C25, C34, C45-60, C63-75, Q1-71, R29, R31, R32, R34, R36, R37, R49, R50, R53-60, R69-79, VCO1-VCO60. OF REV A 1 1 G F E D C B A
Page 1 and 2:
® FM30/FM100/FM250 Broadcast Trans
Page 3 and 4:
Contents Section 1—Getting Acquai
Page 5 and 6:
Section 5—Adjustments and Tests .
Page 7 and 8:
I INFORMATION Section 1—Getting A
Page 9 and 10:
1.2 Applications and Options Crown
Page 11 and 12:
1.2.5 Translator A receiver configu
Page 13 and 14:
1.3 Transmitter/Exciter Specificati
Page 15 and 16:
Note: We set voltage and ampere req
Page 17 and 18:
® Section 2—Installation This se
Page 19 and 20:
120Vac Illustration 2-1 Removing th
Page 21 and 22:
2.2.3 Battery Power Your transmitte
Page 23 and 24: 2.3.1 Modulation Compensator The Mo
Page 25 and 26: Frequency SW1 SW2 87.9 0 0 88.0 8 0
Page 27 and 28: 2.6 Audio Input Connections Attach
Page 29 and 30: SCA IN COMPOSITE IN MONITOR RIGHT L
Page 31 and 32: Pin Number Function 1 Ground 2 (no
Page 33 and 34: Section 3—Operation This section
Page 35 and 36: 3. Verify the following: a. The bot
Page 37 and 38: 3.3 Front Panel Bar-Dot Displays Ba
Page 39 and 40: 3.7 RF Output Control Set this cont
Page 41 and 42: in questo mondo, erono due forse, u
Page 43 and 44: 4.2 Audio Processor Circuit Board T
Page 45 and 46: Stereo Generator Board ® FM250 Ill
Page 47 and 48: Principles of Operation 4-7
Page 49 and 50: To get a direct reading of SWR, the
Page 51 and 52: 4.8 Voltage Regulator Circuit Board
Page 53 and 54: 4.11 RF Driver (FM100/FM250) The RF
Page 55 and 56: 4.15 Receiver Circuit Board Option
Page 57 and 58: Section 5—Adjustments and Tests T
Page 59 and 60: Using a Modulation Monitor 1. Set t
Page 61 and 62: 5.3.4 FSK Balance Control An FSK si
Page 63 and 64: 5.8 Bias Set (RF Power Amplifier) T
Page 65 and 66: 5.14 Audio Frequency Response For t
Page 67 and 68: Section 6—Reference Drawings The
Page 70 and 71: 6.2 Board Layouts and Schematics Il
Page 72 and 73: Illustration 6-6 Stereo Generator B
Page 76 and 77: D 8169-1 Illustration 6-8 RF Meteri
Page 79 and 80: 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9
Page 81 and 82: R27 D 8167-5 Illustration 6-10 Disp
Page 84: 2 4 6 8 3 2 1 1 3 5 7 9 6 5 4 3 2 1
Page 87 and 88: R20 R19 Illustration 6-13 Power Amp
Page 89 and 90: Illustration 6-14 RF Output Filter
Page 92 and 93: F 1 2 3 4 5 6 7 8 ADDED TO PWB (200
Page 96 and 97: Section 7—Service and Support We
Page 98 and 99: Crown Broadcast Three Year Limited
Page 100 and 101: Factory Service Instructions To obt
Page 102 and 103: Transmitter efficiency output RF Po
Page 104 and 105: A B C AF ALC AM bandwidth BCD BFO B
Page 106 and 107: A B C pre-emphasis processing recei
Page 108 and 109: Symbols 19-kHz level adjustment 5-4
Page 110 and 111: L labels 1-10 LEDs 3-5, 4-10 line v
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Crown Low Power Transmitters - Crown Broadcast

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