All Reset; Receiver Section - Kenwood TM-V7A Service Manual

TM-V7A/E
ADJUSTMENT
Measurement Adjustment Specifications/
item Condition equipment Unit | Terminal] Unit | Parts | Method Remarks
5. BPF
1) FREQ....CH1 SSG
TX-RX ANT TX-RX
L6 Voltage
2.5V or more
:146.050MHz:K,M DC V.M Rear panel} SMV (TP5) L1i2 max
:145.050MHz:E L17
SSG:-93dBm
Carry out the following procedures after rising up the set in the adjustment mode.
Method of rising up the adjustment mode (Mode for adjustment and level setting)
1. Turn OFF and insert the short plug into the data terminal of the set.
2. After 1 second of turning ON while depressing the CF) key and the key simultaneously, all LCDs light
on and the screen will be white.
1 SOM
3. When setting all keys to free, the right figure will be displayed on the screen.
All Reset?
Press [MR]
4. All reset is executed when key is depressed. The frequencies which are specified by frequency entering mode
will be entered and the next procedure is executed. However, when any key other than key is depressed or no
operation is activated for 10 seconds, the adjustment mode is released.
5. Key operation
CH
Frequency
;
145.040 439.940
ENT ~< > ad
1. ENT Key + + + Decide the setting value and proceed to the next step.
* During adjustment of transmission system, depress ENT key after turning OFF the transmission.
2. ENC Knob «+ + + UP/DOWN for the setting value
3. key + + + » Return to the previous step
4. dkey----- Proceed to the next step
5.p> key* ss Change the adjustment item
(Note) Adjustment mode is released when turning OFF (PWR).
6. Refer to the separate table on page 50 for the adjustment items and their contents of the set.
Alignment level
24 OF
Receiver section
Measurement Adjustment Specifications/
Item Condition equipment Unit | Terminal Unit Parts Method Remarks
1. High level input | 1) V band...CH1 Oscilloscope | Rear EXT. SP2 Check S/N 44qB or more
S/N and step 1-1 AF V.M panel Distortion rate:
distortion FREQ.:146.050MHz:K,M |SSG 5% or less
FREQ.:145.050MHz:E Distortion
SSG:—53dBm meter
AF output:2.83V/8 Q
2) U band...CH1 _ {EXT. SP4 : S/N 42dB or more
step 1-2 Distortion rate:
FREQ.:444.050MHz:K 5% or less
FREQ.:435.050MHz:M,E
SSG:—53dBm
AF output:2.83V/8 Q
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