ADJ DR-610 Service Manual

Page 1
ADJUSTMENT
I)
Required Test Equipment
1.
Digital Multimeter
2.
Regulated Power Supply
3.
Oscilloscope
Measurable frequency: Audio Frequency
13.8VDC 15A
or more
d. Distortion Meter
Measurable frequency: 1 Input level: Distortion level:
e.
Audio Generator
Output frequency: Output impedance:
kHz
Up to 40dB 1% -100%
1
kHz-1 OkHz
6OOQ
unbalanced
4.
Spectrum Analyzer
Measuring range:
5.
Tracking Generator
Output frequency:
6.
Dummy Road
Measurable frequency: Up to Impedance:
Power:
7
, . Speaker (2 units)
Impedance:
Up to
Up to
5052,
50W or more
8a
6. SSG
Output frequency:
Output level: Moduration:
1
-2OdB/O.l uV
AM/FM
2GHz
or more
2GHz
or more
500MHz
unbalanced
GHz
or more
to1
20dB/l
f. Linear Detector
Filter:
10.96OObps
While pushing the FUNC key, push RC key. Make sure that
Connect the plug to the unit.
F
TX MOD
V
HPF
(30Hz-50Hz)
LPF (1
OkHz-1 5kHz)
Hi-Speed Packet Testing
“A”
flashes on the UHF
SPl
jack on the rear of the
2.50
stereo
plug
(To
ext
(UZOO22)
GND
RX OUTPUT
4.8kHz
3.00 monaural plug (To SP 1)
(UZOOo4)
-1
dBm
lOOmV/47k
(AF OSC)
mic terminal)
(Level meter, oscilloscope)
side.
9. Transceiver Tester
500MHz
a.
Frequency Counter
Power Meter
b.
Impedance: Measuring range:
C.
Audio Voltmeter
Measurable frequency:
Sensitivity:
5OQ
50W or more
50Hz-1 OkHz
1mV -
or more
unbalanced
1OV
GND
ii”
PTT (TX: Low)
Page 2
Note 1
1. All SSG output is indicated by EMF.
2. AG output level connecting with the load is measured.
3. Standard Modulation: 1
4. Audio Output level:
5. Coaxial cable:
5D2W
kHz +/- 35kHz/DEV
50mW-1 OOmW
1 m
at
8L2
Note 2
1. Power supply voltage is Power switch is off.
2. Turn the squelch and volume knobs counterclockwise.
3. Press and hold the The display shows the frequency as follows:
145.00
145.00
433.00 (E version)
445.00 (T version)
13.8V.
“F”
key, then turn the power switch on.
2) Adjustment Points
Sub Control Unit
Front Control Unit
Tone ENC Unit
DTMF 1750 X-bard
Repaaler (-Q
Page 3
Main Unit
9600bps SP OUT
9600bps
‘r” EXT IN
MC
4
SFQ
0
TP4 (Thermal Relay)
Reference Frequency
TCl
ml
TC302
@I
c9
L322
@
El
f-1
1 QL70;D
VR3
@
(MAX DEV)
VR302
(Middle Power)
@
VR301
(High Power)
(Middle Power)
W%n VkPr
@ @ (High Power)
( @
(Squelch)
VR5
TPl
VR305
L16
0
q
L17
0
cl
%I
f
I
0
L
L
;;;-;;II
TP3
(Squelch)
VR303
@
VR304
Page 4
3) UHF RX Adjustment
Condition
item
deference
Frequency f=43500MHz (E)
PLL VCO
rlerical coil
Sensitivity
Sensitivity SSG OUT:
S Meter
f=44500MHz (T)
f=440.00MHz
f=440.00MHz
f=l4500MHz
f=445.00MHz
f=435.00MHz (E)
f=438.00MHz (T)
UHF
VHF
f=445.02MHz
f=449.99MHz
SSG OUT:
f=430.00MHz (E) f=435.00MHz (E) f=439.99MHz
SSG OUT:
f=l38.00MHz (T)
f=l45.00MHz
SSG OUT:
f=l73.99MHz
SSG OUT:
f=445.00MHz (T)
f=43500MHz (E) RX
SSG OUT:
(SUB) RX
(T)
(T)
(T)
-9.OdBp
(E)
-9.WBf.t
-4.OdBu
-8.OcfBfr
(T)
-4.OdBp
18.OdBy
Measurement
TX/RX Equipment
Freq. Counter
TX
Power Meter
RX
TX
RX
RX
RX
Digital
Multimeter
T.G.
40dBm
Spectrum
Analyzer
SSG
Dist. Meter Back UHF SP2
Oscilloscope
LCD UHF Front
S Meter
Adjustment
Unit Terminal Unit Parts
Back UHF ANT
UHF
Main
Back UHF ANT
UHF TP3
panel
TP2
VHF 445MHz (T)
Main
UHF
vco
UHF L322
Main L323
UHF Main
TCl
L805
-
TC301
TC302
VR304
Method
435MHz (E)
4.2V
4.W
(Check)
3.8V
(Check)
Max Gain
Check
Check
“Full”
Flashing
1
Specifications
+I-
100Hz
4.2V+i-0.2V
4.ov-5.5v
3.2V-4.8V
WrnWrn 43oM (E)uW 0s
42dBm
r?
SINAD
is
above
12dB
SINAD
is
above 12dB
SQL level
ATT
SSG OFF
f=445.00MHz (T) f=435.00MHz
SSG OFF SQ VR: 9 o’clock
f=44500MHz (T) f=435.00MHz
(E)
(E)
RX
RX
Does not light.
Main
Turn the UHF
Check
Turn
UHF
VR303
Main
SQ
VR to make sure that the squelch
VR303 to
close the
squelch
closes at 9-l 0 o’clock. While pushing FUNC key, push H/L key. The ATT is
lit. Make sure that the receiving sensitivity is attenu­ated about 10 - 20dB.
Page 5
4) UHF TX Adjustment
Item
High
Power
Middle
Power
Low
Power
DEV
MIC
Gain
Condition
TX/RX Equipment
f=44505MHz f=43505MHz
f=438.00MHz (T) f=449.99MHz (T)
f=430.00MHz (E) f=439.99MHz (E)
f=445.00MHz f=435.00MHz (E)
f=445.00MHz (T) f=43500MHz (E)
Mod:
1kHz
Mic :
-3OdBm
Mod:
1kHz
Mic : -46dBm
(T)
TX
(E)
(T) TX
Middle
Measurement
Unit Terminal Unit Parts
Power Meter
Current Meter Back UHF ANT
High
Voltage Meter
TX
Low
TX
Linear Det. Oscilloscope Back UHF ANT Power Meter
Adjustment
UHF
Main
VR301
VR302
UHF
VR305
Main
Front VR501
Method
Max
36W
Check
low
Check
4.7kHz IDEV
Check
-
Specification:
Above 36W
+/-1 .ow
below
1OA
33-4ow
9A
1 o+/-0.5w
5+1-l
w
4.7kHz
+/-0.2kHz
/DEV
4.0
kHz
+/-0.3kHz
IDEV
CTCSS
Tone
Tone Burst
DTMF
f=445.00MHz (T) f=435.00MHz (E)
Mod: OFF
Tone SW ENC
88.5Hz f=439.00MHz
Mod: OFF PTT+DOWN
f=439.00MHz
CODE=
“111111111111111”
Auto dialer ON
ENC VR981
SUB VR601
VR602 Check
0.8kHz IDEV
Check
0.8kHz
+/-0.1 kHz
IDEV
3.OkHz
+I-0.3kHz
IDEV
3.OkHz
+/-0.4kHz
IDEV
Page 6
5) VHF RX Adjustment
Condition
Item
Frequency
PLL VCO f=l45.00MHz
Note:
f=l4500MHz
f=l4500MHz
f=440.00MHz
When you set the voltage of VHF RX PD to
If the voltage can not be set to
GAIN
Sensitivity
AM
Sensitivity
(T only)
S Meter
f=l45.00MHz
f=l45.00MHz
SSG OUT:
f=l38.00MHz f=l73.99MHz
SSG OUT:
f=l
l&OOMHz
SSG OUT:
f=l45.00MHz
SSG OUT:
(SUB) RX
-9.OdBu
(T)
-4.OdBu
5.0dBP
2O.OdBp
Measurement
TX/RX Equipment
Freq. Counter
TX
Power Meter
RX
TX
Digital
Multimeter
3.OV, 2.OV
RX
RX
RX
Dist. Meter
Oscilloscope
SSG
Dist. Meter
Oscilloscope
LCD VHF Front
S Meter
Adjustment
Unit Terminal Unit Parts
Back VHFANT
VHF
Main
3.OV,
TPl
turn the core of L705 clockwise.
VHF
vco
L705
is allowable.
Back VHF SP2
panel
VHF
Main
VHF
Main
VR5
L15
-
Lia
L!5
Lla
Specification
Method
Check
3.oov
Check 3.ov+/-1
Check
SINAD SINAD
MAX
SINAD SINAD
MAX above 12dB
Check
Check
“Full”
Flashing
+I-
100Hz
o.!w/-1
2.5v+bO.av
above
SINAD
above 12dB
S/N
above 1
v
.ov
is
12dB
is
is
is
OdB
SSG OFF
f=l45.00MHz
SQL level SSG OFF
SQ VR: 9 o’clock
Al-l-
f=l45.00MHz
RX
RX
Check Does not light.
Turn
VR4
VHF VHF
Main
Main
VR4
to close
the
squelch
Turn the VHF SQ VR to make sure that the squelch closes at 9-10 o’clock.
While pushing FUNC key, push H/L key. The ATT is
lit. Make sure that the receiving sensitivity is attenu-
ated about 10 - 20dB.
Page 7
6) VHF TX Adjustment
Item
High
Power
Middle
Power
Low
Power
DEV
MIC
Gain
CTCSS
Tone
Tone Burst
DTMF
X-BAND
Repeater
Thermal
Relay
Condition Measurement
f=l4500MHz
f=l44.00MHz f=l47.99MHz f=l44.00MHz (E) f=l45.99MHz (E)
f=148_OOMHz (T) f=l45.OOMHz
f=l45.00MHz
Mod: Mic :
-3OdBm
Mod: Mic:
-46dBm
f=l45.00MHz
Mod: OFF
Tone SW ENC
88.5Hz f=l45.00MHz
Mod: OFF
PlT+DOWN
f=l45.00MHz
CODE=
“111111111111111”
Auto dialer ON
f=l45_OOMHz
RXf=445.0OMHz
RXf=433.00MHz
X-BAND ON
f=l45.OOMHz
(T) (T)
(E)
1kHz
1kHz
(T) (E)
TWRX
Equipment Unit Terminal Unit Parts
Power Meter
TX
Current Meter Back VHF ANT
High
Voltage Meter
TX
Middle
TX
Low
Linear Det. 4.7kHz
TX
Oscilloscope Back VHF ANT Power Meter
TX
High
TP4
Adjustment
Method
VHF
Main
VHF
Main
SUB VR603 Check
VHF
Main
VRl
VRl
VR2
VR3
Max
52w
Check
low
Check
4.7kHz IDEV
Check
Check
Check
Check +I-0.4kHz
Make sure that the power changes from
“Hi”
to
is connected to GND.
SpecificationI
Above 55W
+/-1 .ow
below
43-48W
lO+/-1w
4-7W
+/-02kHz
IDEV
4.0
+/-O.SkHz
IDEV
0.8kHz
+/-02kHz
IDEV
3.OkHz
+/-OAkHz
IDEV
3.0kHz
IDEV
3.5kHz
+/-0.5kHz
IDEV
“Low”
when TP4
11A
11A
kHz
Loading...