Test Channel (Default); Test Signaling; Adjustment Points - Kenwood TKR-750 Service Manual

TKR-750

Test Channel (Default)

K,E
No.
RX
1 146.10
2 160.10
3 173.90
4 150.10
5 155.10
6 165.10
7 170.10
8 158.60
9 161.60
10 136.10
11 151.90
12 152.10

Adjustment Points

PSW
38
ADJUSTMENT
K2
TX RX
146.00 136.10 136.00
160.00 143.10 143.00
174.00 149.90 150.00
150.00 146.10 146.00
155.00 155.90 156.00
165.00 140.10 140.00
170.00 148.10 148.00
161.50 147.50 149.00
158.50 149.00 147.50
136.00 151.10 151.95
151.95 152.10 152.00
152.00 173.90 174.00
CN8 GND CN6 MAIN DC
(BLACK) (RED)
CN7 BACKUP
(ORANGE)
CHARGE
CN4
2
1
CN5
L2 L3
CN18
L16
L19
CN15
CN4
NARROW
WIDE
L18
L24
L17
TX-RX UNIT (X57-695) (A/2)
Component side view

Test Signaling

No.
TX 1 None
2 None
3 QT 67.0Hz
4 QT 151.4Hz
5 QT 210.7Hz
6 QT 250.3Hz
7 DQT 023N
8 DQT 754I
9 None
10 None
11 DTMF 159D
12 None
13 None
14 None
15 None
16 5-Tone [12345] (CCIR)
FINAL UNIT (X45-373) (A/2)
Component side view
Q5
Q4
TH1
CN1
TX IN
CN3
L5 L6 L7
TP102
TX CV
CN1
L15
CN2
L14
TP101
RX CV
CN3
Decode tone Encode tone
None
100Hz square wave
QT 67.0Hz
QT 151.4Hz
QT 210.7Hz
QT 250.3Hz
DQT D023N
DQT D754I
CW ID Encode [ID=VVV]
Single Tone [1000Hz]
DTMF 159D
DTMF Tone 9
Courtesy Tone
Battery Warning Tone
Battery Operation Tone
5-Tone [12345] (CCIR)
ANT
CN16
CN19
TC350 (VCO A)
A2 : TX VCO (X58-479)
TC351 (VCO B)
TC350 (VCO A)
A3 : RX VCO (X58-478)
TC351 (VCO B)