请教一下，硬件连接是 CPU -- 927 --- 928 --- LCD 和 CTP。现在可以在 cpu 访问到 927 和 928， 但是 LCD 没有图像显示。
做的 BIST 测试，没有错误。下面是 927 和 928 的数据。请问这个还要怎么查找问题呢？
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 18 00 00 fa 80 00 58 ba ba 00 00 00 05 20 00 00 ?..??.X??...? ..
10: 00 00 00 90 00 00 fe 1e a1 a5 00 00 00 00 00 00 ...?..????......
20: 03 00 25 00 00 00 00 00 00 24 00 b0 00 00 a5 5a ?.%......$.?..?Z
30: 03 10 00 00 00 00 08 00 00 0a 20 20 00 00 00 00 ??....?..? ....
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
50: 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ...............
60: 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 ....?...........
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
c0: 00 00 80 00 68 08 21 00 40 00 00 00 00 00 00 00 ..?.h?!.@.......
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 80 00 68 08 21 00 00 00 00 00 00 00 00 00 ..?.h?!.........
f0: 5f 55 42 39 32 37 00 00 00 00 00 00 00 00 00 00 _UB927..........
0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 58 04 00 f0 fe 1e 00 18 00 00 00 00 00 00 00 00 X?.???.?........
10: 00 00 00 00 00 00 00 00 00 01 00 00 03 20 90 09 .........?..? ??
20: 00 00 40 14 08 00 83 84 00 00 00 00 00 00 00 00 ..@??.??........
30: 00 00 10 25 fa 00 00 00 00 00 00 05 00 a0 00 10 ..?%?......?.?.?
40: 43 03 03 00 60 88 00 00 0f 80 00 08 00 00 63 00 C??.`?..??.?..c.
50: 03 10 00 01 80 00 08 00 00 3f 20 20 00 00 00 00 ??.??.?..? ....
60: 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00 00 ....?...........
70: 00 00 00 07 07 08 00 00 00 00 00 00 02 00 00 00 ...???......?...
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
c0: 00 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 ........@.......
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
f0: 5f 55 42 39 32 38 00 00 00 00 00 00 00 00 00 00 _UB928..........
