Brother PC8200 SUPER GALAXIE 2000, Service Manual

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2. SETTING THE TEST MODE
BASIC TEST MODES
To set the test mode, turn on the power switch while holding down the start/stop button and backtack button
simultaneously. Numerals will appear on the touch panel. The respective test mode will be entered when the numeral is
pressed.
Test Mode No. Adjustment Item Page
2 Checking detection of fabric thickness 33
3 Pattern 38
4 Needle down position 26
5 Timing of needle and rotary hook 27
6 Left/right position of feed dog 30
10 Bobbin thread detector 36
The other test modes are used for factory adjustments.
Making initial adjustments with the test modes
After the operations listed below are performed, the test modes should be used to make initial adjustments to the
sewing machine.
1. When new main PC board assembly is installed:
*
Make adjustments using test modes "2" and "3".
2. When the ZPM holder assembly, BH assembly or presser bar is removed or presser height is adjusted:
*
Make adjustments using test mode "2".
3. When the FPM holder assembly or SPM holder is removed:
*
Make adjustments using test mode "3".