Kenwood TK-3312 Service Manual page 31

Common Section
Item Condition
1. Setting 1) BATT terminal votage: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. Receive 1) (Auto tuning)
Assist *Note
Voltage
2) CH: Low
3. Transmit 1) (Auto tuning)
Assist *Note
Voltage
2) CH: Low
PTT: ON
Note: At test mode, click [Tune Assist Voltage] button in test mode dialog box, then start automatic adjustment of Recive/Transmit assist voltage.
Transmitter Section
Item Condition
1. Frequency 1) TEST CH: Center
PTT: ON
2. High 1) TEST CH: Low, Low', Center,
Transmit High', High (5 points)
Power BATT terminal voltage: 7.5V
PTT: ON
3. Low 1) TEST CH: Low, Low', Center,
Transmit High', High (5 points)
Power BATT terminal voltage: 7.5V
PTT: ON
4. DQT 1) TEST CH: Low, Low', Center,
Balance High', High (5 points)
[Wide] 1 Deviation meter filter
LPF: 3kHz
HPF: OFF
PTT: ON
5. Maximum 1) TEST CH: Center, Low, Low',
Deviation High, High' (5 points)
[Wide] Deviation meter filter
LPF: 15kHz
HPF: OFF
PTT: ON
ADJUSTMENT
Measurement
Test-
Unit Terminal
equipment
Power ANT TX-RX FPU
meter
DVM TX-RX CVIN
TX-RX FPU
Measurement
Test-
Unit Terminal Unit
equipment
f. counter ANT TX-RX FPU
Power
meter
Ammeter
Power ANT
meter
Deviation
meter
Oscilloscope
TK-3312/3317
Adjustment
Unit Parts Method
Check
Check
Adjustment
Parts Method
485.100MHz
FPU 5.0W
1.0W
Make the demodu-
lation wave into
square waves.
4.4kHz (According
to the larger +, –)
Specifications / Remarks
(4.0V±0.1V)
0.6V or more
(4.0V±0.1V)
0.6V or more
Specifications / Remarks
±50Hz
±0.1W
2.0A or less
±0.1W
1.0A or less
±80Hz
Note:
FPU AUTO INPUT
1kHz/150mV
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