Kenwood Tk760hg1 Manual

© 2000-10 PRINTED IN JAPAN
B51-8538-10 (
N)
 1724
VHF FM TRANSCEIVER
TK-760HG/ 762HG
SERVICE MANUAL
REVISED
Microphone
(T91-0621-05)
Cabinet (Upper)
(A01-2165-13)
Panel assy
(A62-0642-03)
Key top
(K29-5343-02)
Microphone
(T91-0621-05)
Cabinet (Upper)
(A01-2165-13)
Panel assy
(A62-0731-03)
Key top
(K29-5344-02)
TK-760HG (K)
TK-762HG (K)
This service manual is the same as the K and M market, TK-760HG/
762HG (B51-8538-00) service manual with the exception of new K2
market. 

2
TK-760HG/ 762HG
CONTENTS
OPERATING FEATURES .................................................................................................  3
REALIGNMENT ................................................................................................................  4
INSTALLATION ................................................................................................................  5
PARTS LIST...

3
TK-760HG/ 762HG
OPERATING FEATURES
Foot switch 1 push (Hold it down for about one second.)
Emergency mode
Emergency channelLCD dot status change
TX 25 sec. ←→ RX 5 sec.
Emergency ACK code receiveFoot switch 1 push
Horn/Light operation stop
Horn/Light operation
[D/A] key 1 push
Emergency reset code receive[MON] key + Foot SW 1 push
Emergency mode reset
Normal operation
After 1 min.*2
*2 *1
LCD dot status change*1
Dot Dot
or
or

Emergency mode system chart (TK-762HG)
*1 : When the dot indicator is on, it...

4
TK-760HG/ 762HG
REALIGNMENT
Clone Mode
Programming data can be transferred from one radio to
another by connecting them via their modular microphone
jacks.  The operation is as follows (the transmit radio is the
master and the receive radio is the slave).
1. Turn the master TK-760HG power ON with the [
] key
held down.  If the password is set to the TK-760HG, the
TK-760HG displays “CLN LOCK”.  If the password is not
set, the TK-760HG displays “CLONE”.
2. When “CLN LOCK” is displayed, only the [CH
 /]...

5
TK-760HG/ 762HG
INSTALLATION
Fig. 3
PA/HA Unit (KAP-1 : Option)

Installing the KAP-1 in the Transceiver
The Horn Alert (max. 2A drive) and Public Address func-
tions are enabled by inserting the KAP-1 W1 (3P; white/
black/red) into CN3 on the TX-RX unit, inserting W2 (3P;
green) into CN7 on the TX-RX unit, and connecting the KCT-
19 (option) to CN2 and CN3 of the KAP-1.
• Installation procedure
1. Open the upper case of the transceiver.
2. Insert the two cables ( ) with connectors from the
KAP-1...

6
TK-760HG/ 762HG
INSTALLATION

Others
If the PA and HR2 are not necessary and the speaker out-
put is output to an external unit through the KCT-19, connect
the KCT-19 C connector to CN8 on the TX-RX unit.
8C
R21Q5
Q1
D2 Q6 Q1
Q64 IC9
Shift
register
IGN
±+
±+
KAP-1 (SWITCH UNIT : X41-3380-20)
W1
1
2
3 HOR
E
SB
W2
1
2
3 PA/LI
SPO
SPICN1
1
2HR2
NC
CN2
1
2
3HR1
E
SB
CN3
1
2PAO/LIO
E
R1  0
C5  1000P
C6
1000P C7
1000PK2
D1
C3  0.01
C1
1000P
R3  0
R4  0
C2
1000P
D2 K1
C4  0.01 Q1
Q1 : DTD114EK
D1,2 : 1SS193...

7
TK-760HG/ 762HG
INSTALLATION
F.RESET
R705
TX-RX unit  B/2
Foil side
R142
TX-RX unit  A/2
Foil side
Fig. 8
Emergency Mode

Transceiver Modification Procedure
•Install the foot switch
Install the foot switch through the KCT-19 and KCT-18.
When the switch is treaded on, the radio enters the emer-
gency mode.
•Change the power switch circuit
TX-RX unit (B/2) : Control section
$R705 : Attach (R92-1252-05, 0Ω)
TX-RX unit (A/2) : RF section
R142 : Remove (RK73GB1J473J, 47kΩ)
Once the transceiver is modified,...

TK-760HG/ 762HG
PARTS LIST
8TK-760HG : K,K2,M
TK-762HG : K,K2
✽ New Parts.   indicates safety critical components.
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.L: ScandinaviaK: USAP: Canada
Y: PX (Far East, Hawaii)T: EnglandE: Europe
Y: AAFES (Europe)X: AustraliaM: Other Areas
TK-760HG/762HG
DISPLAY UNIT (X54-3270-10) : TK-760HG, DISPLAY UNIT (X54-3280-10) : TK-762HG
NewDesti-partsnation Ref....

TK-760HG/ 762HG
PARTS LIST
9TK-760HG : K,K2,M
TK-762HG : K,K2
Ref. No.AddressParts No. Description Ref. No.AddressParts No. DescriptionNewDesti-partsnationNewDesti-partsnation
D509-514 B30-2050-05 LED
D521 B30-2151-05 LED (RED/GRN)
C1-11 CK73GB1H102K CHIP C 1000PF K
C13-19 CK73GB1H102K CHIP C 1000PF K
C20 C92-0507-05 CHIP-TAN 4.7UF 6.3WV
C21 CK73GB1H102K CHIP C 1000PF K
C22 CK73GB1C104K CHIP C 0.10UF K
C23,24 C92-0507-05 CHIP-TAN 4.7UF 6.3WV
C26 CK73GB1H102K CHIP C 1000PF K
C29 C92-0507-05 CHIP-TAN 4.7UF...

TK-760HG/ 762HG
PARTS LIST
10TK-760HG : K,K2,M
TK-762HG : K,K2
Ref. No.AddressParts No. Description Ref. No.AddressParts No. DescriptionNewDesti-partsnationNewDesti-partsnation
C168-170 CK73GB1H102K CHIP C 1000PF K
C171 CC73GCH1H020B CHIP C 2.0PF B
C172 CE04EW1E471M ELECTRO 470UF 25WV
C173 CK73GB1C104K CHIP C 0.10UF K
C174 CK73GB1H102K CHIP C 1000PF K
C175 CC73GCH1H080D CHIP C 8.0PF D K,M
C175 CC73GCH1H100D CHIP C 10PF D K2
C177 CK73GB1H102K CHIP C 1000PF K
C179 CK73GB1H102K CHIP C 1000PF K
C180...