Kenwood TK-D240 Service Manual page 36

Item Condition
PC test mode
3. Low power 1)Test Channel
check Channel: 1
(Battery volt- Test Signaling Mode: Analog
age: 7.5V) Signaling: 1
PTT: Press [Transmit] button.
2)Test Channel
Channel: 2
Test Signaling Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
3)Test Channel
Channel: 3
Test Signaling Mode: Analog
Signaling: 1
PTT: Press [Transmit] button.
4. MIC sensi- 1)Test Channel
tivity check Channel: 1
Test Signaling Mode: Analog
Signaling: 1
AG: 1kHz
PTT: Press [Transmit] button.
5. Sensitivity 1)Test Channel
check Channel: 1
Test Signaling Mode: Analog
Signaling: 1
SSG output
Wide 5k: -115dBm (0.40μV)
(MOD: 1kHz/±3kHz)
Wide 4k: -115dBm (0.40μV)
(MOD: 1kHz/±2.4kHz)
Narrow: -115dBm (0.40μV)
(MOD: 1kHz/±1.5kHz)
4.12 Common Section
Item Condition
PC test mode
1. Setting 1) BATT terminal voltage:7.5V
2) SSG standard modulation
[Wide 5k] MOD:1kHz,DEV:3kHz
[Wide 4k] MOD:1kHz,DEV:2.4kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2. Receive 1) Adj item: [Receive Assist]
Assist 2) Adj item: [Low], [Low'], [Center],
[High'], [High]
Press [Apply All] button to store
the adjustment value.
1-36 (No.RA035<Rev.001>)
Measurement
Test- Unit Terminal
equipment
Power meter Panel ANT
Ammeter
Power meter Panel ANT
Ammeter
Power meter Panel ANT
Ammeter
Deviation Panel ANT
meter SP/MIC
Oscilloscope connector
AG
AF VM
SSG Panel ANT
AF VTVM SP/MIC
Oscilloscope connector
Distortion
meter
8Ω Dummy
load
Measurement
Test- Unit Terminal Unit Parts
equipment
Adjustment
Unit Parts Method
Check
Check
Check
Adjust AG
input to get
a standard
MOD.
Check
Adjustment
Method
Panel [FPU] [V] indicator on the PC
[<][>] window shows VCO
lock voltage.
Change the adjustment
value to get VCO lock
voltage within the limit of
the specified voltage.
Note:
Confirm the VCO lock
voltage approximate-
ly 3 seconds after the
adjustment value is
changed.
Specifications
/Remarks
0.75W~1.25W
1.2A or less
0.75W~1.25W
1.2A or less
0.75W~1.25W
1.2A or less
15.0mV
±7.0mV
12dB SINAD
or more
Specifications
/Remarks
2.4~2.6V
Press [Apply All]
button to store
the adjustment
value after all
adjustment
point have been
adjusted.