Heathkit GDA 19 2 Schematic

Page 2

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III: 21,53 AND 72 MRI BANDS of
RT IRANSMIHER cmcuu EACH
NAIli A DIFFERENT SCHKMNIC.

(SEE SCHEMAHtS AT IIIGIIH

*can IS uszn 0va mm In; 11
MH1 BAND YRANSMHTER, THE
oTRIR BANDS us! A IMMVER WIRE
AND No CAPACITOR R207 IS Uszn
ONLY ON ME 72 Mm BAND

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we fill
50R
cumin 2

mm
comm

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CHANNEL «I (HAMNE: n
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m

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9N339I

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uouosnaLE 7
man

RANNKL v 2
m comnm.

CHANNEL u 2
51ch CONYROA.

I NUMBERS ARE IN THE FOLLOWING GROUPS:
ITED ON THE ENCODER CIRCUIT BOARD.

I'I'ED ON THE RF TRANSMITTER CIRCUIT BOARD.
ITED ON THE CHASSIS,

ATT UNLESS MARKED OTNERWISE. RESISTOR VALUES

IRE IN DF UNLESS MARKED OTHERWISE.

(mun . a mmu ~ 5 53 MHZ
smx comnoL sncx comaoL BAND
4. OTHIS vaBOL INDICATES A posmv: DC VOLTAGE MEASUREMENT. TAKEN
WITH A HIGH IMPEDANCE VOLTMETER, FROM THE POINT INDICATED T0 CHASSIS
GROUND. VOLTAGES MAV VARY 220%.
72 MHZ
5. REFER To TR: CHASSIS PHOTOGRAPHS AND CIRCUIT BOARD x40" VIEWS FOR THE BAND

PHVSICAL LOCATION OF PARTS.

FLAT F T FLAT
OR I a
/
c
E :2 5 n3 E TAB
2N3! 2mm mam

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mp
ANYENNA

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5:: «on 95

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MOE

x v P To a
CRYSTAL

FREQUENCY MHZ

YRANSMITYER RECEIVtR
25.995 .542
27 045 25592
27.0% 2944:
27m: 29 «2
27 I95 26.742
53.10:: 253235
5: 200 2c 3135
53300 amass
53.40:: 2:17;:
53.30:: 2:423:
3: am 30.2935
sovIao so an:
zuoo 35.4295
swao 39,7005
amaze 37.5935

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