Kenwood TK-7180 Service Manual Addendum page 18

TK-7180/7189/8180/8189
Item Condition
6. High power 1) Adj item : [HPWR]
adjust Adjust : [✳✳✳]
2) Adj item : [L HPWR] →
[L' HPWR] → [C HPWR] →
[H' HPWR] → [H HPWR]
Adjust : [✳✳✳]
PTT : ON
7. High power [Panel test mode]
check 1) CH-Sig : 1-1
PTT : ON
2) CH-Sig : 2-1
PTT : ON
3) CH-Sig : 3-1
PTT : ON
8. Low power 1) Adj item : [LPWR]
adjust Adjust : [✳✳✳]
2) Adj item : [L LPWR] →
[L' LPWR] → [C LPWR] →
[H' LPWR] → [H LPWR]
Adjust : [✳✳✳]
PTT : ON
9. Low power [Panel test mode]
check 1) CH-Sig : 1-1
Set low power (Push [S])
PTT : ON
2) CH-Sig : 2-1
PTT : ON
3) CH-Sig : 3-1
PTT : ON
10. DQT 1) Adj item : [n BAL]
balance Adjust : [✳✳✳]
adjust Deviation meter filter
LPF : 3kHz
HPF : OFF
2) Adj item : [nL BAL] →
• Narrow
[nC BAL] → [nH BAL]
Adjust : [✳✳✳]
PTT : ON
• Wide 3) Adj item : [w BAL]
Adjust : [✳✳✳]
PTT : ON
11. Max DEV 1) Adj item : [n DEV]
adjust Adjust : [✳✳✳]
AG : 1kHz/50mV at MIC terminal
Deviation meter filter
LPF : 15kHz
HPF : OFF
2) Adj item : [nL DEV] →
• Narrow
[nC DEV] → [nH DEV]
Adjust : [✳✳✳]
PTT : ON
• Wide 3) Adj item : [w DEV]
Adjust : [✳✳✳]
PTT : ON
18
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT Front
Ammeter panel panel
Front
panel
Power meter Rear ANT Front
panel panel
Deviation Front Modular
meter panel MIC jack
Oscilloscope
AG
AF VTVM
Adjustment
Parts Method
± 1W TK-7180 K
[ ],[ ] 30W TK-7180 K
± 0.5W TK-7180/7189 E
23.5W
TK-7180/7189 E 9A or less
Check 25~35W TK-7180 K
21~26W TK-7180/7189 E
9A or less
± 0.5W
[ ],[ ] 5.0W
5A or less
Check 3.5~6.5W
5A or less
[ ],[ ] Make the demodu-
lation waves into
square waves.
± 0.10kHz
2.10kHz
(According to the
larger +, –)
± 0.10kHz
4.20kHz
(According to the
larger +, –)
Specifications/Remarks