Kenwood TK-7189 Service Manual page 25

Item Condition
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
• Narrow 2) Adj item : [nL BAL] →
[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
• Narrow 2) Adj item : [nL DEV] →
[nC DEV] → [nH DEV]
Adjust : [✳✳✳]
PTT : ON
TK-7180/7189/7180H/8180/8189/8180H
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT
Ammeter panel
Front
panel
Power meter Rear ANT Front
panel panel
Deviation Front Modular
meter panel MIC jack
Oscilloscope
AG
AF VTVM
Adjustment
Parts Method
Check 25~35W TK-8180 K,K2
21~26W TK-8180/8189 E
40~50W TK-8180H K,K2
9A or less
TK-8180 K,K2
TK-8180/8189 E
13A or less
TK-8180H K,K2
21~29W TK-8180 K
25~35W TK-8180 K2
21~26W TK-8180/8189 E
30~40W TK-8180H K
40~50W TK-8180H K2
9A or less TK-8180 K,K2
13A or less TK-8180H K,K2
[ ],[ ] 5.0W ± 0.5W
TK-8180 K,K2 5A or less
TK-8180/8189 E TK-8180 K,K2
10W TK-8180/8189 E
TK-8180H K,K2 8A or less
TK-8180H K,K2
Check 3.5~6.5W
TK-8180 K,K2
TK-8180/8189 E
7~13W
TK-8180H K,K2
5A or less
TK-8180 K,K2
TK-8180/8189 E
8A or less
TK-8180H K,K2
[ ],[ ] Make the demodu-
lation waves into
square waves.
2.10kHz ± 0.10kHz
(According to the
larger +, –)
Specifications/Remarks
TK-8180/8189 E
25