Kenwood Tk 860h Manual

TK-860G/862G
PARTS LIST
41
Ref. No.AddressParts No. Description Ref. No.AddressParts No. DescriptionNewDesti-partsnationNewDesti-partsnation
TX-RX UNIT (X57-5960-XX)
PLL/VCO (X58-4670-XX)
Q19 DTC114EKA DIGITAL TRANSISTOR
Q20 DTA114EKA DIGITAL TRANSISTOR
Q21 DTC114EKA DIGITAL TRANSISTOR
Q22 2SC4093 TRANSISTOR
Q23 2SA1641(S,T) TRANSISTOR
Q24 DTA114EKA DIGITAL TRANSISTOR
Q25 2SC3357 TRANSISTOR
Q26 DTA114EKA DIGITAL TRANSISTOR
Q27 2SC2954 TRANSISTOR
Q28 2SB1132(Q,R) TRANSISTOR
Q29 DTC114EKA DIGITAL...

42
TK-860G/862G
EXPLODED VIEW (TK-860G)
Parts with the exploded numbers larger than 700 are not supplied.
1
2
A
BC
1
24
3
24
2 40377
116
17
18 22
22 23x2
27
249 25
14 12
21x2 44
26
IC400 16
701 Cx2
702 703 A A
C
Ax2C 703
TX-RX unit
(X57-595) (B/2)
TX-RX unit
(X57-595) (A/2) Display unit
(X54-327)
704
Dx11Cx2B B
A M2.6 x 6 (OC) BLK : N33-2606-45
B M3 x 8 : N67-3008-46
C M2.6 x 6 (Br-Tap) : N87-2606-46
D M2.6 x 12 (Br-Tap) : N87-2612-46 

43
TK-860G/862G
EXPLODED VIEW (TK-862G)
1
2
D
EF
1
24
3
24
2 4037
116
728
17
18 22
22 23x2
27
249 25
14 12
21x2 44
26
IC400 16
701
702Cx2
A A
Ax2C
CB B
Cx2
Dx11 703 703
TX-RX unit
(X57-595) (B/2)
TX-RX unit
(X57-595) (A/2) Display unit
(X54-328)
704
A M2.6 x 6 (OC) BLK : N33-2606-45
B M3 x 8 : N67-3008-46
C M2.6 x 6 (Br-Tap) : N87-2606-46
D M2.6 x 12 (Br-Tap) : N87-2612-46
Parts with the exploded numbers larger than 700 are not supplied. 

44
TK-860G/862G
PACKING
Parts with the exploded numbers larger than 700 are not supplied.
G
H
1
2
3
5  Cap
    (B09-0235-05)
8  Instruction manual
    (B62-1257-10) : M
    (B62-1258-00) : K,K3705  Warranty card 13  DC cord
      (E30-3339-05)
19  Fuse (10A)
      (F51-0016-05) x 2
30  Polystyrene foamed fixture (F)
      (H10-6618-12)31  Polystyrene foamed fixture (R)
      (H10-6619-12) 32  Inner packing case
      (H12-1391-03)33  Protection bag
      (H25-0720-04)
33  Protection bag...

45
TK-860G/862G
ADJUSTMENT
Test Mode (TK-860G Only)

Test Mode Operating Features
This transceiver has a test mode.  To enter test mode,
press [SCN] key and turn power on.  Hold [SCN] key un-
til test channel No. and test signalling No. appears on
LCD.
  Test mode can be inhibited by programming.  To exit
test mode, switch the power on again.  The following func-
tions are available in test mode.
• Controls
[PTT] Used when making a transmission.
[MON] Monitor on and off.
[SCN] Sets to the tuning mode....

46
TK-860G/862G
FREQ_ _XX
Frequency adj.
Display
Function name
HPOW_XXX
RF high powerH.POW_XXX
Hi power (L)H.P.OW_XXX
Hi power (L)
[A]
[D/A] [D/A] [D/A] [D/A] [D/A]
H.P.O.W_XXX
Hi power (C)H.P.O.W._XXX
Hi power (H)H.P.O.W._.XXX
Hi power (H)
LPOW_XXX
RF low powerL.POW_XXX
Low power (L)L.P.OW_XXX
Low power (L)
[A]
L.P.O.W_XXX
Low power (C)L.P.O.W._XXX
Low power (H)L.P.O.W._.XXX
Low power (H)
_MAX_XXX
Max deviation (Wide)_.MAX_XXX
Max deviation (L)_MAX_ XXX.
Max deviation (Narrow)
[A]
_.M.A.X_XXX
Max...

47
TK-860G/862G
Test Equipment Required for Alignment
Test Equipment Major Specifications
1. Standard Signal Generator Frequency Range 400 to 520MHz
(SSG) Modulation Frequency modulation and external modulation
Output –127dBm/0.1µV to greater than –7dBm/100mV
2. Power Meter Input Impedance 50Ω
Operation Frequency 400 to 520MHz or more
Measurement Capability Vicinity of 100W
3. Deviation Meter Frequency Range 400 to 520MHz
4. Digital Volt Meter Measuring Range 1 to 20V DC
(DVM) Accuracy High input...

48
TK-860G/862G
ADJUSTMENT
Adjustment Location

Switch (TK-860G)
Adjustment Point

Note
• Flash memory
The firmware program (User mode, Test mode, Tuning
mode, etc.) and the data programmed by the FPU (KPG-56D)
for the flash memory, is stored in memory.  When parts are
changed, program the data again.
• EEPROM
The tuning data (Deviation, Squelch, etc.) for the
EEPROM, is stored in memory.  When parts are changed,
readjust the transceiver.

Repair Jig
• Chassis
Use jig (Part No. : A10-4010-02) for...

49
ADJUSTMENT
Measurement
Test-
equipmentUnitTerminalAdjustment
Unit Parts MethodSpecifications/Remarks Condition
Item
TK-860G/862G
Receiver Section
1.Discriminator1) Set test mode SSG Rear ANT TX-RX L5AF output maximum.• Wide CH : CH1 - Sig1 panel (A/2)
SSG output : –53dBm/501µV AF VTVM ACC
SSG MOD : 3kHz
Oscilloscope(EXT.SP)
AF : 1.4V/4Ω
2) SSG MOD : OFF DVM TX-RX IC5 9pin 0.7V DC
(A/2)
2. Sensitivity 1) Set test mode SSG Rear ANT TX-RX L13 RSSI voltage
• Wide
Select “SENS” in tuning mode.panel (A/2)...

ADJUSTMENT
Measurement
Test-
equipmentUnitTerminalAdjustment
Unit Parts MethodSpecifications/Remarks Condition
Item
50
TK-860G/862G
3. Squelch 3 1) Set test mode SSG Rear ANT FrontCH/Adjust to the
• WideSelect “SQL3” in tuning mode.panel panel squelch threshold
“S.QL3” AF VTVM ACC point.
Adjust [
***] Distortion (EXT.SP)
SSG freq' meter
: 450.050MHzK,M
Oscilloscope: 400.050MHzK3AGSSG output : –125dBm/0.12µVSSG MOD : 3kHz (Wide)
  1.5kHz (Narrow)
2) “S.Q.L.3”
Adjust [
***]
SSG freq'
:...