Kenwood TKR-850 Service Manual page 38

TKR-850
Test Channel (Default)
K
No.
RX TX
1 450.10 450.00
2 465.10 465.00
3 479.90 480.00
4 455.10 455.00
5 460.10 460.00
6 470.10 470.00
7 475.10 475.00
8 462.60 462.50
9 467.60 467.50
10 440.10 440.00
11 459.90 460.00
Adjustment Points
PSW
38
ADJUSTMENT
K2 K3
RX TX RX TX
480.10 480.00 400.10 400.00
496.10 496.00 415.10 415.00
511.90 512.00 429.90 430.00
485.10 485.00 405.10 405.00
490.10 490.00 410.10 410.00
500.10 500.00 420.10 420.00
505.10 505.00 425.10 425.00
493.60 493.50 412.60 412.50
498.60 498.50 417.60 417.50
499.90 500.00 419.90 420.00
519.90 520.00 439.90 440.00
CN8 GND CN6 MAIN DC
(BLACK) (RED)
CN7 BACKUP
(ORANGE)
CHARGE
Q4
CN4
2
1
CN5
L2
CN18
L16
L19
CN15
CN4
NARROW
WIDE
L18
L24
L17
TX-RX UNIT (X57-696) (A/2)
Component side view
Test Signaling
E No.
RX TX
440.10 440.00
455.10 455.00
469.90 470.00
445.10 445.00
450.10 450.00
460.10 460.00
465.10 465.00
452.60 452.50
457.60 457.50 10
459.90 460.00 11
479.90 480.00 12
13
14
15
16
FINAL UNIT (X45-374) (A/2)
Component side view
Q5
TH1
CN1
TX IN
VR1
CN3
L4
L5
TP102
TX CV
CN1
L15
CN2
L14
TP101
RX CV
CN3
Decode tone
1 None None
2 None 100Hz square wave
3 QT 67.0Hz QT 67.0Hz
4 QT 151.4Hz QT 151.4Hz
5 QT 210.7Hz QT 210.7Hz
6 QT 250.3Hz QT 250.3Hz
7 DQT 023N DQT D023N
8 DQT 754I DQT D754I
9 None CW ID Encode [ID=VVV]
None Single Tone [1000Hz]
DTMF 159D DTMF 159D
None DTMF Tone 9
None Courtesy Tone
None Battery Warning Tone
None Battery Operation Tone
5-Tone [12345] (CCIR) 5-Tone [12345] (CCIR)
ANT
CN16
CN19
TC350 (VCO A)
(K,K2,E type)
A2 : TX VCO (X58-481)
TC351 (VCO B)
(K3 type)
TC350 (VCO A)
A3 : RX VCO (X58-480)
TC351 (VCO B)
Encode tone