Kenwood TK-863G Service Manual page 40

TK-863G
Common Section
Item Condition
1. PLL RX 1) Set test mode
lock CH : CH3 - Sig1
voltage
TX 2) PTT : ON (Transmit)
RX 3) CH : CH2 - Sig1
AUX : ON (talk-around mode)
TX 4) PTT : ON (Transmit)
Receiver Section
Item Condition
1. Discriminator 1) Set test mode
• Wide CH : CH1 - Sig1
SSG output : –53dBm/501 V
SSG MOD : 3kHz
AF : 1.4V/4
2. Sensitivity 1) Set test mode
• Wide Select "SENS" in tuning mode.
"S.E.N.S"
Adjust [250]
SSG freq' : 489.950MHz
SSG output : –103dBm/1.58 V Oscilloscope
SSG MOD : 3kHz
AF output : 1V/4
2) "S.ENS"
Adjust [ *** ]
SSG freq' : 450.050MHz
3) "S.E.N.S._."
Adjust [ *** ]
SSG freq' : 470.050MHz
3. Squelch 3 1) Set test mode
• Wide Select "SQL3" in tuning mode.
"S.QL3"
Adjust [ *** ]
SSG freq' : 450.050MHz
SSG output : –124dBm/0.14 V Oscilloscope
SSG MOD : 3kHz (Wide)
2) "S.Q.L.3"
Adjust [ *** ]
SSG freq' : 470.050MHz
3) "S.Q.L.3._."
Adjust [ *** ]
SSG freq' : 489.950MHz
• Narrow 4) "SQL3 *** ."
Adjust [ *** ]
SSG freq' : 470.050MHz
40
ADJUSTMENT
Measurement
Test-
Unit
equipment
DVM TX-RX CV
Power meter (A/2)
F. conter
Measurement
Test-
Unit
equipment
SSG Rear
panel
AF VTVM
Oscilloscope
SSG Rear
panel
AF VTVM
Distortion
meter
AG
DVM TX-RX RSSI
(A/2)
SSG Rear
panel
AF VTVM
Distortion
meter
AG
1.5kHz (Narrow)
Adjustment
Terminal Unit Parts
PLL TC106 6.0V
TC109 6.5V
Check
Adjustment
Terminal Unit Parts
ANT TX-RX L5 AF output maximum.
(A/2)
ACC
(EXT.SP)
ANT TX-RX L13 RSSI voltage
(A/2) L22 maximum.
ACC
(EXT.SP)
Front / RSSI voltage
panel maximum.
ANT Front / Adjust to the
panel squelch threshold
ACC point.
(EXT.SP)
Specifications/Remarks
Method
0.1V
0.9V or more
0.9V or more
Specifications/Remarks
Method