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REPLACEMENT INSTRUCTIONS 

CAPACITOR INSTALLATION KIT OP05-143

 AT-1575 ANTENNA COUPLER PCB

These instructions cover how to replace the PCB of AT-1575 antenna coupler for the SSB Radio 
Telephone FS-1575.

Note: 

Check the PCB version before replacement. The replacement board should be ordered 

before proceeding with these instructions.
The new board 05P0883-22 (Code: 000-176-005-12) is not included with this kit. 
Where the new board is already installed in the AT-1575, board replacement is not required.

Replacement kit

The contents of the kit are listed in the following table.

Capacitor Installation Kit OP05-143 (Code: 001-476-140)

How to remove the old PCB

1. 

Unfasten the pan head screws (M4x14, 8 pcs.), then remove the cover.  

Fig.1: Antenna Coupler AT-1575

Name

Type

Code

Qty.

 Fixing Plate

  05-062-0253

100-199-261-10

1

 Clamp

  CKN-05

000-193-375-10

1

 Washer Head Screw

  M4x6

000-163-176-10

2

 Wire Assembly (Type AF)

  AF1160GG-L100

001-482-240

1

Pan head screws

Summary of Contents for AT-1575

Page 1: ...176 005 12 is not included with this kit Where the new board is already installed in the AT 1575 board replacement is not required Replacement kit The contents of the kit are listed in the following...

Page 2: ...from TB1 7 Unfasten the washer head screw M3x8 10pcs indicated in figure above and remove the protection plate 05 106 3707 0 from the board 8 Unfasten the screw on TB2 M4x6 then disconnect the wire a...

Page 3: ...place 16 Use the hex nut removed at step 14 secure the fixing plate Recommended fastening torque is 2 2 Nm 17 Unfasten the washer head screw M4x15 and the wire assembly Type AF from the right side of...

Page 4: ...or screw locations The protection plate 05 106 3707 should be installed together with the board 4 Connect the coaxial cable to TB4 then fasten clamp 4 with two washer head screws M3x12 5 Referring to...

Page 5: ...pplied washer head screw Recommended fastening torque is 1 2Nm 7 Check the gasket is engaged to the posts on the casing then fasten the cover with the pan head screws M4x14 8 pcs Fig 4 Gasket of the a...

Page 6: ......

Page 7: ......

Page 8: ...5 10 TB4 M4 6 TB5 11 M4 6 19 AF 17 1 2N m 12 1 AF...

Page 9: ...4 AT 1575 1 1 AF 2 2 3 AF 3 J1 J2 4 TB2 M4 6 AF 5 TB3 M4 6 AF 6 M3 8 10 05 106 3707 7 TB1 8 05 077 2105 M3 12 2 9 TB5...

Page 10: ...3 13 3 3 14 05S9337 15 17 CKN 05 R 16 15 05 062 0253 2 2N m 17 M4 15 AF 18 18 M4 15 AF 18 AF 1 47N m...

Page 11: ...2 AT 1575 2 3 TB5 4 TB4 M4 6 5 TB1 M3 12 2 05 077 2105 6 TB1 7 M3 8 10 05 106 3707 8 TB2 M4 6 AF 9 TB3 M4 6 10 J1 J2 11 2 3 AF 12 1 AF...

Page 12: ...TEHI FS 1575 00019345210 GND OP05 143 SSB FS 1575 AT 1575 05P0883 22 000 176 557 12 GND OP05 143 001 476 140 1 M4 14 8 AT 1575 AF AF1160GG L100 001 482 240 1 05 062 0253 100 199 261 10 1 A M4 6 000 1...

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