THE MACKIE FIXER MACKIE DESIGNS SERVICE NEWS
Ribbon modification SSE July 2000
Ribbon mod.pdf, page 2 of 2
Input board work:
If the two ribbon cables are soldered to the input board, follow steps 7 to 11. If not, then go to step 12.
7.
Remove the metal shield plate and insulator sheet from the back of the input board.
8.
Carefully unsolder the ribbon cable headers from J16 and J11.
Discard part# 040-033-03, 4 inch ribbon cable.
Discard part# 040-033-02, 18 inch ribbon cable.
9.
Solder two new headers (#400-077-00) to the input board, with the cutout side pointing towards
the center of the input board (i.e. downwards).
10.
Replace the metal shield plate and insulator sheet onto the back of the input board.
11.
Add part# 040-359-00, 4.25 inch ribbon cable to J11.
Add part# 040-360-00, 18 inch ribbon cable to J16.
Align each cable’s color stripe with the header’s pin 1.
Make sure both ribbons are
fully inserted
, then proceed to step 15.
If the two ribbon cables are not soldered to the board, follow steps 12 to 14.
12.
Discard part# 040-062-00, 4.25 inch ribbon cable.
Discard part# 040-062-02, 18 inch ribbon cable. You may have to undo the display board screws
in order to remove it from J1.
13.
Add part# 040-359-00, 4.25 inch ribbon cable to J11.
Add part# 040-360-00, 18 inch ribbon cable to J16.
Align each cable’s color stripe with the header’s pin 1.
Make sure both ribbons are
fully inserted
.
14.
Refit the display board, once the long ribbon cable is securely attached to J1.
Putting the input board back in:
15.
Add the two metal XLR plates (where fitted) and carefully fit the input board back in place. Put
the four pot knobs back after the board is in place.
16.
It can be difficult getting the knobs back on through the chassis holes, but you can make it easier
by snipping off a bit of the plastic center ridge, as shown in the little knob diagram below.
17.
Add and tighten all the nuts and screws, and the four chassis screws (removed in step 6).
18.
Make sure that all ribbon cables are secure and that all ends are fully inserted.
19.
Reconnect the black wire from the input board to the amp board.
20.
Replace the top cover.
21/
Perform a complete specification and safety test before returning the unit to the customer.
Headers
J16
J11
Input
board
Pin 1
Color Stripe
Procedure continued.
knob
snip off
Summary of Contents for FAST RECOVERY M-1200
Page 1: ...M 1400 M 1400i M 1200 SERVICE MANUAL 1998 MACKIE DESIGNS INC 820 179 00 Version 1 2 ...
Page 20: ...M 1200 M 1400 SERVICEMANUAL PART S 18 HEAT SINKASSEMBLY ...
Page 29: ...M 1200 M 1400 INPUTPCB 055 079 00 REV D 23 ...
Page 30: ...M 1200 M 1400 INPUTPCB 055 079 00 REV D 24 ...
Page 31: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 25 ...
Page 32: ...M 1200 M 1400 DISPLAY PCB 055 080 00 REV A 26 ...
Page 33: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 27 ...
Page 34: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 28 ...
Page 35: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 29 ...
Page 36: ...M 1200 M 1400 MAIN PCB 055 081 00 REV D 30 ...
Page 37: ...M 1200 M 1400 SOFTST ARTPCB 055 162 00 REV A 31 ...
Page 38: ...M 1200 M 1400 SOFTST ARTPCB 055 162 00 REV A 32 ...
Page 39: ...M 1400 M 1400i M 1200 SERVICE MANUAL 1998 MACKIE DESIGNS INC 820 179 00 Version 1 2 ...
Page 58: ...M 1200 M 1400 SERVICEMANUAL PART S 18 HEAT SINKASSEMBLY ...