Attached to this post are PDF's of the service manuals for some of the Macintosh LC and Performa. Enjoy 
lc_580.performa_580cd.pdf - Macintosh LC 580/ Performa 580CD
lc_520.550.575.pdf - Macintosh LC 520, Macintosh LC 550, Macintosh LC 575
performa_6100.pdf - Macintosh Performa 6110CD, 6112CD, 6115CD, 6116CD, 6117CD, 6118CD
performa_6200.6300.pdf - Performa 6200, 6205CD, 6214CD, 6216CD, 6218CD, 6220CD, 6230CD, 6290, 6300CD, 6320, 6320CD, 6360
classic_ii.performa_200.pdf - Macintosh Classic / Classic II / Performa 200
color_classic_ii.perf_275.pdf - Macintosh Color Classic II / Performa 275
performa_630_series.pdf - Macintosh Performa 630, 630CD, 631CD, 635CD, 636, 637CD, 638CD
performa_500_series.pdf - Macintosh Performa 550, Macintosh Performa 560, Macintosh Performa 575, Macintosh Performa 577, Macintosh Performa 578
lc_580.performa_580cd.pdf - Macintosh LC 580/ Performa 580CD
lc_520.550.575.pdf - Macintosh LC 520, Macintosh LC 550, Macintosh LC 575
performa_6100.pdf - Macintosh Performa 6110CD, 6112CD, 6115CD, 6116CD, 6117CD, 6118CD
performa_6200.6300.pdf - Performa 6200, 6205CD, 6214CD, 6216CD, 6218CD, 6220CD, 6230CD, 6290, 6300CD, 6320, 6320CD, 6360
classic_ii.performa_200.pdf - Macintosh Classic / Classic II / Performa 200
color_classic_ii.perf_275.pdf - Macintosh Color Classic II / Performa 275
performa_630_series.pdf - Macintosh Performa 630, 630CD, 631CD, 635CD, 636, 637CD, 638CD
performa_500_series.pdf - Macintosh Performa 550, Macintosh Performa 560, Macintosh Performa 575, Macintosh Performa 577, Macintosh Performa 578