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Kenwood KMC-38GPS Service Manual Download Page 5

KMC-38GPS

4

SCHEMATIC DIAGRAM

C10 0.1

µ

R15

10k

R17 1M

R14 1M

R19 10k

R18 10k

R21

10k

R12 10k

C18  0.1

µ

C9  220

µ

2

1

8

6

4

2

7

8

3

1

3

5

6

4

C19  0.1

µ

C14  100p

D3

IC2

R20 10

+

C17  10

µ

C16  1

µ

BT1

+

1PPS

BOOT

VCC

BATT

SD0

RD0

TP5

RD1

CN2

GPS MODULE

D1

R3

330

R16 10k

R13 10k

Q2

Q1

6 5 4

1 2 3

6 5 4

1 2 3

L1

L2

100p

C21

Vcc 5V

BOOT

RXD

GPD (TXD)

E

TP4 RXD

TP3 GPD

TP2 E

TP1 VCC-5V

Checker

test point

D5

C2  100p

D2

L3

R22

56k

5

4

3

2

1

CN1

GPS UNIT

IC2 : TK11233CMCL-G

Q1,2 : UM6K1NTN

D1 : RB501V-40TE-17
D2,3,5 : AVR-M1608C220KT2AB

L1~3 : MMZ1608Y601BT

IC1 : NJM3404AM

6

5

7

8

4

–

–

+

+

2.7k

R14

R3 1k

12k

FB

0

R12

C3 1000P

C4 1000P

R7

C17

10k

R8

C16 0.01

µ

10k

R9

47p

R2 1k

470p

SW1

PTT

470p

C5

10

µ

/16V

C9

10

µ

/16V

C1

10

µ

/16V

R13

R15

100

2.7k

R6

C7

22k

+

+

+

+

+

+

+

+

R5 68k

IC1

IC1

C6

10

µ

/16V

C8

10

µ

/16V

10

µ

/

16V

R4

22k

R1

2.2k

3

2

1

P5

P6

P7

CN3

6

5
4

3

2

1

ECM

MAIN

ECM

SUB

JP1

PTT SWITCH UNIT
(W02-3720-08)

J1
EARPHONE JACK
Ø3.5

SP

P1

P2

MICROPHONE UNIT (W02-3720-08)

SP+

SP–

MIC

MICE

PTT

GPD

E

Vcc 5V

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

(R17)

R16

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

17

SSW

SP+

SP–

MSW

EMC

ME

PTT

PF

NC

E

5M

TXD

RXD

E

SUB UNIT (W02-3720-08)

CN2

CN2

CN1

CORD CIRCUIT

MIC

MICE

VCC 5V

SP+

SP–

PTT

E

GPD

MIC

MICE

VCC 5V

SP+

SP–

PTT

E

GPD

UNIVERSAL

CONNECTOR

CN1

(P5)
(P7)

(P6)

(E)

(Vcc 5V)

(GPD (TXD))

Summary of Contents for KMC-38GPS

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any t...

Page 2: ... via the RXD terminal of the universal connector When the transceiver is turned OFF the GPS unit enters to backup mode and the power is supplied by the internal rechargeable lithium battery When the transceiver is turned ON the GPS unit enters to normal operation mode and the power is supplied from the transceiver via the 5M terminal of the universal connector While the transceiver is turned ON th...

Page 3: ...T STATIC DISCHARGE THE INSTALLED IC MAY BE DAMAGED BY A DISCHARGE OF STATIC ELEC TRICITY 1 Remove the KMC 38GPS from the transceiver and 4 screws on the rear panel GPS Unit 2 Remove the cover and packing 3 Remove the GPS unit installed in the upper part of the microphone CAUTION DO NOT DAMAGE CABLES WHEN REMOV ING THE GPS UNIT Note Remove cables connected to the GPS unit if needed 4 Remove the int...

Page 4: ...on the LCD of a transceiver GPS OPERATION CHECK METHOD AFTER REPAIRS Reset the GPS unit by removing the internal battery and then re installing it To remove the internal battery refer to HOW TO REPLACE THE INTERNAL BATTERY RESETTING THE GPS UNIT TERMINAL FUNCTION Universal connector Pin No Name I O Function 1 SSW O External speaker switch 2 SP I Speaker input BTL side 3 SP I Speaker input BTL side...

Page 5: ... NJM3404AM 6 5 7 8 4 2 7k R14 R3 1k 12k FB 0 R12 C3 1000P C4 1000P R7 C17 10k R8 C16 0 01µ 10k R9 47p R2 1k 470p SW1 PTT 470p C5 10µ 16V C9 10µ 16V C1 10µ 16V R13 R15 100 2 7k R6 C7 22k R5 68k IC1 IC1 C6 10µ 16V C8 10µ 16V 10µ 16V R4 22k R1 2 2k 3 2 1 P5 P6 P7 CN3 6 5 4 3 2 1 ECM MAIN ECM SUB JP1 PTT SWITCH UNIT W02 3720 08 J1 EARPHONE JACK Ø3 5 SP P1 P2 MICROPHONE UNIT W02 3720 08 SP SP MIC MICE ...

Page 6: ...TT SWITCH UNIT 701 STICKER 704 SPACER 703 SPACER 702 HOLDER x2 708 RECTANGULAR PLUG 707 PACKING 700 PLASTIC CABINET 705 CORD ASSY WITH PLUG 2 1 1 In order to maintain the waterproofing performance the cord ASSY with plug cannot be replaced 2 The GPS unit cannot be replaced Parts with the exploded numbers larger than 700 are not supplied ...

Page 7: ...D18 9EB United Kingdom L Etoile Paris Nord 2 50 Allée des Impressionnistes Bp 58416 Villepinte 95944 Roissy Ch De Gaulle Cedex PARTS LIST 3 A02 3988 08 PLASTIC CABINET ASSY REAR 4 B09 0382 08 CAP PHONE 5 B42 7733 04 STICKER WEEE 11 D10 0629 08 LEVER PTT 18 G13 1638 08 CUSHION PTT LEVER 20 G13 2201 08 CUSHION SPEAKER 21 G13 2202 08 CUSHION MAIN ECM 22 G53 0820 08 PACKING CASE 24 G53 0834 08 PACKING...

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