Uniden Harry User manual

unlden*
SERVICE MANUAL
HARRY

ALIGNMENT PROCEDURE
Alignment of P.LL
1. Test Equipment Required
DC Power Supply : 8V(DC
Oscillator
2. Alignm ent Procedure
Step Preset to Adjustment Remarks
1TX40CH L702 Connect a DC Voltmeter to VCO.
Adjust L702 for 4.5V ± 0.1V reading on the DC Voltmeter.
2RX 40cH L701 Ditto
3. Alignm ent Points
DC Voltmeter
: 10.2419 MHz
0 0 , K ï
1Ло2 i-7ol V ł
S
u ~ L r m j 3
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77Î
H AR RY 1

Alignment of FM PCB
Test Equipment Required
DC Power Supply (DC 8V FM SG 450KHz
Oscilloscope AC Voltmeter 2
Oscillator DC Voltmeter
2. Alignm ent Procedure
PA : OFF
Step Preset to Adjustment Remarks
1
RX
FM SG : 3mV out
1kHz, ± 15kHz
dev.
L601 Connect a DC Voltmeter to between TP601 and GND.
Adjust 1601 for 4.5 ± 0.1V reading on the DC Voltmeter.
Check if voltage value is 150—350 mV.
2
TX
Osc : 10mV
1kHz
VR601
middle
position
Adjust VR601 for 4—9 mV reading on the AC Voltmeter.
1
UT-JttZ H ARRY 2

Alignment of Transmitter Section
1. Test Equipment Required
DC Power Supply (DC 13.8 V Dummy Ioad50£2
OSC : 1 kHz RF power meter
Deviation meter
2. Alignment Procedure
Step Preset to Adjustment Remarks
1
CH 19
AM
Mod. 500mV
input
L6 and L9 Connect the RF power meter to Antenna jack.
Adjust coils for maximum reading on the RF power meter.
2No. Mod.
CH19 L6 Adjust L6(CW for 4.0W reading on the RF power meter.
3Ditto VR2 Adjust VR 2 so that the 4th LED just turns on.
4
Mod. 30mV
input
CH 1
FM
VR601 Adjust VR601 for ± 3kHz dev. reading on the déviation
meter.
Nöte : After Alignm ent, lock with paraffin the area of LS and L9.
3. Alignm ent Points
и т - з « г HARRY 3

Alignment of Receiver Section
1. Test Equipment Required
DC Power Supply : DC 13.8V
5.5. G.
2. Préparation for Alignm ent
5.5. G. : 1kHz 30% Mod.(AM
1kHz ± 1.5 kHz Dev. (FM
Output impédance : 8Q
Squelch : Min (Counterdockwise
3. Alignm ent Procedure
Dummy load : 50Q
Frequency : 27.185 MHz
Attenuator : OdB = O.SpV
Step Preset to Adjustment Remarks
1AM
CH 19
volume : Max.
Ll.2 ,3
and L11
Connect the S.S.G. to antenna jack and AF VTVM to
External speaker (J3 .
Adjust coils for maximum reading on the AF VTVM
2Ditto VR4
Set the S.S.G. attenuator to -3dB and adjust the output
power to 5mW. (If the adjusting range is underthe desired
power, set VR2 to the minimum. If the one is over the
desired power, set it to the maximum.
3AM
CH 19
No MOD VR3' Set the S.S.G. to 1000mV output level.
Adjust VR3 so thatthe4th LED just turns on.
4
AM
CH 19
Vol. : Max
Squelch : Max
VR1 Adjust VR1 so that squelch just breaks.
5FM
CH 19 L601 Set the S.S.G. to 100pV output level. Adjust L601 for 4,5 + 0.2V reading on the DC Voltmeter.
4. Alignm ent Points
UT.J22Z HARR Y 4

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HOTES:
. RESISTANCE VALUES ARE SHOVN IN OHMS UNLESS
OTHERVISE NOTED. (K-KILO OHM. M*MEG OHM
2. RESISTOR WATTAGES ARE 1/8V UNLESS OTHERVISE
NOTED.
3. CAPACITANCE VALUES ARE INOICATED IN MICRO FARADS
UNLESS OTHERVISE NOTEO. tP-MICRO-MICRO FARADI
5. VOLTAGE IN ΠD SHOVS TX CONDITION.
6. VOLTAGE IN NO. MARK SHOVS RX CONDITION.
DES1GN.BT DRAWN.BY UNIDEN NO.
U T - 3 2 2
HOOEL NO.
H A R R Y
6 2 . 7 . 9 62.6.18
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NOTCS:
I. MSD AMCC VAlUtJ MI SNOWN IM »HhS U*(SS
OINC»V|SC NOItO. II*1 liO 0Ж. fHCC owti
2.0CSt»!00 VATUCIS AK »/OU U M » OlMfllUHC
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Э.САГАС1ТАИСС VAIUCS MC INOSCAT» IN fllCItO F MAOS
M U S S 0?NC»V|SC N01*0. M»MCHO-mCII» FMAOt
i.H.L CMACltOOS U W f t M W СМАЯАСИ US!ICS
MC Я HISS INAN llllfri 00 TF IH00I INAN
IIMPfl UNLCSS OttffOUiSC NOHO.
S.mtAOC IN C D SNOVS IX CONOIIION.
». VOLIACI IN I I SNOVS « CONOIIION UNQCO
OPCIATION Cf CACN FWIION.
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NOIES:
1. RESISTANCE VALUES AAI SMOVN IN OHMS UNLESS
OIHERVISE NOIEO. IK>I ILO ОНИ. M-NEC ОНИ1
2. RESISTOR VATIACES ARE l/OV UHLESS OIHERVISE
NOIEO.
3. CAPACITANCE VALUES AAE INOICATEO IN NICRO FARADS
UNLESS OIHERVISE NOIIO. IP-HICRO-HICRO FARAOI
A. ALL CAPACITORS TENPEIIATURE CHARACIERISIICS
ARE SC ILESS T HAN lOttPFI OR VF (MORE IHAN
IOOOPFI UNLESS OIHERV SE NOIEO.
5. VOLIAOE IN CZJ SHOVS IX CONOIIION.
6. VOLIACE IN I I SHOVS IX CONOIIION UNOER
OPERATION OF EACH F U! V. 110«.
T.VOLTAGE IN N0 NARX StXIVS RX CONOIIION.
OCSIM.IT OtAVn.tî U«ОСИ И0. ftOOCk
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02 ISISSS
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R34 560« ■
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R37 IH
R30 330
R39 270«
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R4S 681
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R48 IS
R49 2.7
RSf 180
RS3 100
RSi 27
RSS 0.2«
R56 15«
RS7 100
RS8 180
RS9 1 SIC
R6I 10K
R62 5.6«
JPI 12.5
JP2 7.S
JP3 S
JP4 I2.S
JP5 7.S
JP.6 7.S
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JP9 17.S
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JPII U
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JPI3 7.S
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JP33 7.5
JP34 12.S
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R6S 560
R66 Э.ЭХ
R67 1
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R69 100«
R7I • 4.7«
R72 S.6X
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R74 27«
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R76 56«
R77 12«
R70 27«
R79 UK
ROI 2.2«
R02 ISO
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R84 6.BK
RSS 33
R 06 UK
RB7 ISX
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R69 UK
R9I 1.5«
R92 Э9К
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RU2 688
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R105 60»
Я106 60«
R107 60«
RIOO 470
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RIIO 4.7M
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R112 390«
RI 13 IK
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R117 2.2«
R118 Э.ЗК
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JP37 IS
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notes:
t. RESISTANCE VALUES ARE SHOVN IN OHHS UNLESS
OTHERVISE NOTED. IK-KILO OHM. H-HEO 0ml
2. RESISTOR VATTAOES ARE l/SV UNLESS OTICRVISE
NOTEO.
3. CAPACITANCE VALUES ARE INOICATED IN MICRO FIS
UNLESS OTHERVISE NOTEO. IP-MICRO-MICRO F AA АО I
A. ALL CAPACITORS TEMPERATURE CHARACTERISTICS
ARE TF UNLESS OTHERVISE NOTED.
MSlM.ftT DRAW. BT UMtOfN MO.
UT-322 MMl M.
HARRY
il. 7.9 62.6.3«
T/4*Kt мп FUH1K0.E ,mt MAIN PCB
PARTS ASSEMBLY TOP VIEW
CHCCK.9T JWM.Bï
П l.f E 22-6996 HT.
МД11
Ь. НАГЛ. UNI EN C RP.

UT322/B0TT/yiRi:5V:i.
ж : 4hain PCB
VCO PCB
FM PCB
-SOLDERING
BOOt
PA-259AB
MAIN PCB
(BOTTOM VIEVI
SOLDERING
Q50I
2SC2I66C
B551
PA-260AA
FRONT PCB
(BOTTOM VIEWI
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UT322/B0TT/WIRî:5t:1 •
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R553 3.9K
R554 tK
R555 2.2K
R556 IK
R558 680
R559 680
R56I 680
R562 680
R563 680
R564 680
JP551 12.5
JP552 10
J P 553 17.5
— ,1 , 1 S
$554 SW557
R565 680
R566 680
R567 10K VR502 RV650 50KB
D551 LL-204IT
0552 1SI555
D553 1SI555
J502 JK374
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UT322/PA260AA: :52: !
N TES: I. RESISTANCE VALUES ARE SH WN IN HMS UNLESS
0THERV15E N TED. IK-KIL HH. H-HEG HHI
2. RESIST R WATTAGES ARE 1/6W UNLESS THERWISE
N TED.
3. CAPACITANCE VALUES ARE IN ICATED IN HICR FARADS
UM.ESS THERWISE N TED.«P-hICR -MICR FARADI
DESIGN.IY ОЯАVN.aY UNIDEN N .
UT-322 H EL N .
HARRY
62. 7 9 62.6.26
ГМ»кЧ *(/►-«FUNIK .E TITL^ FR NT PCB
PARTS ASSEMBLY T P VIEW -
check.ar APPR0.8Y
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UT322/FM::50:2
8601 РА-261
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1. RESISTANCE VALUES ARE SH WN IN HMS UNLESS
THERWISE N0TE0. IK-KIL HM. M-MEG 0HM1
2. RESIST R WATTAGES ARE 1/8W UNLESS THERVISE
N TED.
3. CAPACITANCE VALUES ARE 1NDICATED IN MICR FARADS
UNLESS THERWISE N TED. 1P-MICR -MICR FARAD 1
5. V LTAGE IN C=D SH WS TX C NDITI N.
6. V LTAGE IN N0 MARK SH WS RX C NDITI N.
DESIGN.BY DRAWN.BY UNI EN N .
UT-322 H EL N .
HARRY
62.7.9 62.6.18
Г.л/*Юия1/П| ПМК0.Е m L C FM
СНССК.ВГ AMR .iY SCHEMATIC DIAGRA
92.7.9 RAVING N .
E1A-2 6 78 ИHEVr
MARK
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PLL BLOCK IAGRAM (IC 1)
PO Pi P2 РЗ P4 p5 Рб P7 GN V

LB1423
(LED METER DRIVE
L B 1 4 2 3
UÜ u u u u u u u
1 2 3 4 5 6 7 8 9
Vci Vca Vc3 V04 Q Vcs АМР Ш Vcc
OUT