Service Manual

17
RPU416A Adjust Description
Adjust the receiver section:
(enter manual mode)
Measurement Adjustment
Item Condition
Test equip Terminal parts Method
Specifications
/Remarks
1:CH:RX center
turn to channel 4 in
manual mode
TC202
TC203
Adjust the undee to the top,
the bandwidth is about
10MHz, the sign of central
frequency is in the middle of
the undee
2. CH: RX LOW
turn to channel 5 in
manual mode
PTT(up)
MONI
(down)
Adjust the undee to the top to
receive
Low frequency , the sign is on
the left of the top of the undee
4.Band-
pass
filter
3.CH:RX HIGH
turn to channel 6 in
manual mode
Spectrum
analyzer
ANT . TP2
PTT(up)
MONI
(down)
Adjust the undee to the top to
receive
High frequency , the sign is on
the right of the top of the
undee
1. CH:RX center
Turn to channel 13 in
manual mode
Dev : Wide
2. CH: RX center
Turn to channel 14 in
manual mode
Dev : Wide
5.Sensitivity
(Wide)
3. CH: RX center
Turn to channel 15 in
manual mode
Dev : Wide
Synthetical
test
SSG output :
-118dBm
MOD:1kHz
DEV:±3kHz
FILER: 0.3-
3.4kHz
ANT
SP
check
SINAD: 12dB
or higher
1. CH: RX center
Turn to channel 13 in
manual mode
Dev : narrow
2. CH: RX center
Turn to channel 14 in
manual mode
Dev : narrow
6.Sensitivity
(Narrow)
3. CH: RX center
Turn to channel 15 in
manual mode
dev : narrow
Synthetical
test
SSG output :
-116dBm
MOD:1kHz
DEV:±1.5kH
z FILER:
0.3-3.4kHz
ANT
SP
check
SINAD: 12dB
or higher
1.CH: RX center
Turn to channel 7 in
manual mode
Synthetical
test SSG
output : -
117dBm
Level 9
Adjust to close the squelch.
The squelch
must be closed
7.Squelch
2.CH:RX center
Turn to channel 8 in
manual mode
Synthetical
test SSG
output : -
125dBm
ANT
SP
PTT(up)
MONI
(down)
Level 3
Adjust to close the squelch.
The squelch
must be closed