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Crown Low Power Transmitters - Crown Broadcast

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PAV<br />

J2-4<br />

PAI<br />

J2-3<br />

TEMP OUT<br />

J2-6<br />

DC SUPPLY<br />

J2-2<br />

VOLTMETER<br />

J2-8<br />

RF REV<br />

J2-11<br />

RF FWD<br />

J2-10<br />

RFV<br />

J2-9<br />

R401<br />

1N4148<br />

R469<br />

10K<br />

R418<br />

1K<br />

C431<br />

0.1<br />

C418<br />

.01<br />

C412<br />

0.1<br />

C406<br />

.01<br />

C401<br />

.01<br />

U407A +12V<br />

TL074<br />

2<br />

4<br />

3<br />

11<br />

-12V<br />

R452<br />

10K 1<br />

R453<br />

1.1K 1<br />

(Jumper under board)<br />

C421<br />

.001<br />

R420<br />

100K 1<br />

9<br />

10<br />

R419<br />

24.9K<br />

SWR LIMIT=<br />

R451<br />

100K 1<br />

R457<br />

10K<br />

C414<br />

.01<br />

R461<br />

10K<br />

C416<br />

.01<br />

U406A<br />

TL074<br />

U7<br />

1<br />

C419<br />

.001<br />

Parts not loaded:<br />

2<br />

3<br />

C403, 404<br />

DZ401<br />

R402, 403, 404<br />

Q401, 402<br />

U401<br />

LB401<br />

U3<br />

8<br />

U403C<br />

TL074<br />

6<br />

5<br />

+12V<br />

-12V<br />

4<br />

11<br />

U406B<br />

TL074<br />

6<br />

5<br />

D415<br />

1N6263<br />

(R435+R436)+R436<br />

---------------- = ----<br />

(R435+R436)-R436<br />

R470<br />

22K<br />

U6<br />

U3<br />

7<br />

U403B<br />

TL074<br />

1<br />

C415<br />

.001<br />

U6<br />

7<br />

C417<br />

.001<br />

R471<br />

100K<br />

R455<br />

100K 1<br />

50mv per degree C.<br />

D413<br />

1N6263<br />

D414<br />

1N6263<br />

R421<br />

100<br />

POWER CAL<br />

R472<br />

10K POT H<br />

R458<br />

22K<br />

R462<br />

22K<br />

R405<br />

2.49K 1<br />

R406<br />

100K 1<br />

5.00V = 100 deg. C<br />

10mV/Deg. C<br />

R454<br />

100<br />

R456<br />

1K 1<br />

R473<br />

10K<br />

150K<br />

100K<br />

R459<br />

100K<br />

R463<br />

100K<br />

6<br />

5<br />

-12V<br />

+12V +5.00V<br />

8 U2<br />

R409<br />

2<br />

100<br />

J4-3<br />

1<br />

REM PADCV<br />

R411<br />

3<br />

1.00V = 10VDC<br />

15K<br />

U402A<br />

4 TL072<br />

R412<br />

-12V<br />

10K POT H<br />

6<br />

5<br />

J4-6<br />

REM PATEMP<br />

= 1.5:1<br />

C420<br />

.01<br />

D416<br />

U7<br />

R407<br />

10.0K 1<br />

R408<br />

1.1K 1<br />

R422<br />

75k<br />

R423<br />

240K<br />

REM BATT<br />

J4-7<br />

7<br />

U407B<br />

TL074<br />

C413<br />

0.1<br />

R474<br />

3.3K<br />

7<br />

U402B<br />

TL072<br />

R410<br />

100<br />

R424<br />

100k<br />

-12V<br />

J4-4<br />

REM PADCA<br />

1.00V = 10.0A<br />

2<br />

3<br />

LM394<br />

1<br />

8<br />

C1<br />

8 C<br />

2<br />

7<br />

B2<br />

7 B<br />

3<br />

6<br />

E3<br />

6 E<br />

4<br />

5<br />

4 5<br />

Q405<br />

LM394<br />

1<br />

8<br />

2<br />

C1<br />

8 C<br />

7<br />

3<br />

B2<br />

7 B<br />

6<br />

E3<br />

6 E<br />

4<br />

5<br />

Q406<br />

4 5<br />

+12V<br />

-12V<br />

R475<br />

49.9K<br />

U3<br />

4<br />

1<br />

U403A<br />

11 TL074<br />

R426<br />

30.1K 1<br />

R427<br />

240K<br />

RF LEVEL<br />

J3-8<br />

R425<br />

1M<br />

POWER SET<br />

-6.9V<br />

C407<br />

.001<br />

R434<br />

10K POT H<br />

10mV/Volt<br />

100mV/Amp<br />

1mV/Degree C<br />

10mV/Volt<br />

10mV/Volt<br />

9<br />

10<br />

13<br />

12<br />

R428<br />

10K<br />

R435<br />

100K<br />

R460<br />

1K<br />

R476<br />

49.9K<br />

U7<br />

8<br />

U407C<br />

TL074<br />

R477<br />

7.5K<br />

U3<br />

R429<br />

220K<br />

14<br />

U403D<br />

TL074<br />

R436<br />

24.9K<br />

R440<br />

33K<br />

R413<br />

33K<br />

PAI LIMIT<br />

R478<br />

10.0K 1<br />

13<br />

12<br />

C408<br />

1.0UF<br />

U4<br />

14<br />

U404D<br />

TL074<br />

R430<br />

100K<br />

R414<br />

2.2M<br />

+12V R437<br />

1M<br />

2<br />

4<br />

U4<br />

1<br />

3<br />

U404A<br />

11 TL074<br />

9<br />

10<br />

-12V<br />

(2.5VDC at 100W)<br />

R479<br />

1.1K 1<br />

13<br />

12<br />

U4<br />

R441<br />

1M<br />

8<br />

U404C<br />

TL074<br />

.001V per Watt<br />

R464<br />

1K<br />

U7<br />

14<br />

U407D<br />

TL074<br />

C405<br />

.001<br />

C409<br />

.001<br />

C410<br />

0.1<br />

R415<br />

120K<br />

FAN<br />

J2-7<br />

D401<br />

D402<br />

R431<br />

120K<br />

(.135V)<br />

R480<br />

100<br />

D403<br />

R438<br />

120K<br />

R465<br />

56K<br />

D404<br />

R481<br />

39K<br />

R482<br />

1K<br />

+5V<br />

R416<br />

100K<br />

R432<br />

100K<br />

R439<br />

100K<br />

+5V<br />

RF POWER (RFV SQUARED)<br />

R466<br />

56K<br />

9<br />

10<br />

R483<br />

1M<br />

U6<br />

R484<br />

10K<br />

D417<br />

8<br />

U406C<br />

TL074<br />

R467<br />

1K POTH<br />

R468<br />

1K<br />

(Clamp SWR reading below 5W.)<br />

J4-5<br />

REM RFWATTS<br />

(1.00V at 100W)<br />

D418<br />

R442<br />

51K<br />

R485<br />

100K<br />

(VFWD+VREFL)/40<br />

SWR CAL<br />

Q403<br />

2N5210<br />

R486<br />

100K<br />

100K<br />

R487<br />

/LOCK<br />

J4-1<br />

INPUT<br />

J2-12<br />

+12V<br />

-12V<br />

D405<br />

C427<br />

1.0UF<br />

R443<br />

51K<br />

+5V<br />

13<br />

12<br />

C424<br />

1.0UF<br />

R492<br />

10K<br />

R489<br />

24.9K<br />

R444<br />

200K<br />

U5<br />

9 8<br />

U405D<br />

74HC14<br />

13 12<br />

U405F<br />

74HC14<br />

1 2<br />

U405A<br />

74HC14<br />

3 4<br />

U405B<br />

74HC14<br />

5 6<br />

U405C<br />

74HC14<br />

D412<br />

-12V<br />

C411<br />

0.1<br />

R488<br />

24.9K<br />

U6<br />

14<br />

U406D<br />

TL074<br />

+5.00V<br />

J3-9,10<br />

J4-12<br />

+12V<br />

C425<br />

1.0UF<br />

C428<br />

1.0UF<br />

1<br />

R445<br />

6<br />

5<br />

R446<br />

10K<br />

-12V<br />

100K<br />

U4<br />

7<br />

U404B<br />

TL074<br />

D406<br />

D407<br />

D408<br />

D409<br />

D410<br />

(VFWD-VREFL)/4<br />

VR401<br />

78L05<br />

IN OUT<br />

C<br />

2<br />

3<br />

+5.00V<br />

R450<br />

10K<br />

R447<br />

1K<br />

D411<br />

+5V<br />

11 10<br />

RF POWER<br />

SWR<br />

ALC<br />

PA DCV<br />

PA DCI<br />

PA TEMPERATURE<br />

SUPPLY DC VOLTS<br />

VOLTMETER<br />

+5.00V<br />

R491<br />

2.49K 1<br />

C426<br />

1.0UF<br />

VDD<br />

VCC<br />

+5V<br />

VSS<br />

VEE<br />

U405E<br />

74HC14<br />

R490<br />

10.0K 1<br />

SWR LAMP<br />

J3-20<br />

PADC LAMP<br />

J3-14<br />

FAULT SUM<br />

J4-8<br />

PATEMP LAMP<br />

J3-12<br />

R448<br />

100K 1<br />

R449<br />

11K 1<br />

J3-2<br />

J3-4<br />

J3-6<br />

LOCK LAMP<br />

J3-18<br />

/+28V INH<br />

J2-1<br />

INPUT LAMP<br />

J3-16<br />

C429<br />

1.0UF<br />

GND<br />

ALC<br />

J4-2<br />

FULL SCALE<br />

1999 WATTS<br />

19.99<br />

19.99V<br />

199.9V<br />

19.99A<br />

199.9 Deg. C<br />

199.9V<br />

199.9V<br />

1.00V<br />

SEL A<br />

SEL B<br />

SEL C<br />

-12V<br />

DZ402<br />

LM329DZ<br />

R417<br />

3.3K<br />

13<br />

14<br />

15<br />

12<br />

1<br />

5<br />

2<br />

4<br />

6<br />

11<br />

10<br />

9<br />

13<br />

14<br />

15<br />

12<br />

1<br />

5<br />

2<br />

4<br />

6<br />

11<br />

10<br />

9<br />

U8,9 pin 7<br />

10 9<br />

8 7<br />

-12V -12V<br />

6 5<br />

+12V<br />

+12V<br />

4 3<br />

2 1<br />

X0<br />

X1<br />

X2<br />

X3<br />

X4<br />

X5<br />

X6<br />

X7<br />

INH<br />

A<br />

B<br />

C<br />

X0<br />

X1<br />

X2<br />

X3<br />

X4<br />

X5<br />

X6<br />

X7<br />

INH<br />

A<br />

B<br />

C<br />

SEL A<br />

SEL B<br />

SEL C<br />

RF LEVEL<br />

+5.00V<br />

PATEMP LAMP<br />

PADC LAMP<br />

INPUT LAMP<br />

LOCK LAMP<br />

SWR LAMP<br />

+5V<br />

+5V<br />

16<br />

X<br />

8<br />

16<br />

X<br />

8<br />

-6.9V<br />

+5.00V<br />

3<br />

(1.999V reads "1999")<br />

U8<br />

U408<br />

74HC4051<br />

3<br />

U9<br />

U409<br />

74HC4051<br />

J401<br />

RECEPT 5X2<br />

INPUT<br />

RF REV<br />

RF FWD<br />

RFV<br />

VOLTMETER<br />

FAN<br />

TEMP OUT<br />

PAV<br />

PAI<br />

DC SUPPLY<br />

/+28V INH<br />

2<br />

4<br />

6<br />

8<br />

10<br />

12<br />

14<br />

16<br />

18<br />

20<br />

FAULT SUM<br />

REM BATT<br />

REM PATEMP<br />

REM RFWATTS<br />

REM PADCA<br />

REM PADCV<br />

ALC<br />

/LOCK<br />

C422<br />

0.1<br />

NUMBERS USED:<br />

R1-91<br />

C1-29 (C2)<br />

C423<br />

0.1<br />

HD403<br />

1<br />

3<br />

5<br />

7<br />

9<br />

11<br />

13<br />

15<br />

17<br />

19<br />

HEADER 10X2<br />

J402<br />

12<br />

11<br />

10<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

RECEPT 12X1<br />

+5.00V<br />

DPM REF<br />

DPM IN<br />

J404<br />

12<br />

11<br />

10<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

RECEPT 12X1<br />

DPM IN<br />

J3-19<br />

DPM REF<br />

J3-17<br />

FM500<br />

METERING<br />

103204A<br />

J2<br />

J3<br />

J4<br />

Metering<br />

Reference Drawings<br />

6–11

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