BOXLIGHT CP-300t, Service Manual

Page: 97 / 104

VDD
TEST
SCL
SDA VSS
A2
A1
A0
AF1 AF2 AF3 AF4 AF5 AF6 AF7 AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15 AF16 AF17 AF18 AF19 AF20 AF21 AF22 AF23 AF24 AF25
AF26
AE26
AE25 AE24 AE23
AE22 AE21 AE20 AE19 AE18 AE17 AE16 AE15 AE14 AE13 AE12 AE11 AE10 AE9 AE8 AE7 AE6 AE5
AE4 AE3 AE2
AE1
AD1 AD2
AD3 AD4
AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22
AD23 AD24 AD25
AD26
AC26 AC25
AC24 AC23
AC22 AC21 AC20 AC19 AC18 AC17 AC16 AC15 AC14 AC13 AC12 AC11 AC10 AC9 AC8 AC7 AC6 AC5
AC4 AC3
AC2 AC1
AB1 AB2 AB3 AB4 AB23 AB24 AB25 AB26
AA26 AA25 AA24 AA23 AA4 AA3 AA2 AA1
Y1 Y2 Y3 Y4 Y23 Y24 Y25 Y26
W26 W25 W24 W23 W4 W3 W2 W1
V1 V2 V3 V4 V23 V24 V25 V26
U26 U25 U24 U23 U4 U3 U2 U1
T1 T2 T3 T4 T23 T24 T25 T26
R26 R25 R24 R23 R4 R3 R2 R1
P1 P2 P3 P4 P23 P24 P25 P26
N26 N25 N24 N23 N4 N3 N2 N1
M1 M2 M3 M4 M23 M24 M25 M26
L26 L25 L24 L23 L4 L3 L2 L1
K1 K2 K3 K4 K23 K24 K25 K26
J26 J25 J24 J23 J4 J3 J2 J1
H1 H2 H3 H4 H23 H24 H25 H26
G26 G25 G24 G23 G4 G3 G2 G1
F1 F2 F3 F4 F23 F24 F25 F26
E26 E25 E24 E23 E4 E3 E2 E1
D1
D2
D3
D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22
D23 D24 D25
D26
C26
C25 C24
C23 C22 C21 C20 C19 C17 C18 C16 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4
C3
C2 C1
B1
B2
B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24
B25
B26
A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1
LSB
LSB
LSB
X1
VDD
GND
REF CLK
S0
S1
X2 X2
S1
S0
CLK REF
GND
VDD
X1
45
40
35
30
25
20
15
10
5
1
50
6
1
D8
D0
OE
VSS
CE
A0 A1
A2
A3
A4
A5
A6
A7
A17
A18
BY
RY
D1
D9
D2
D10
D3
D11
NC
NC
VCC
D4
D12
D5
D13
RESET
WE
NC
NC
A8
D6
D14
D7
D15
VSS
BYTE
A16
A9
A10
A11
A12
A13
A14
A15
NC NC
A11
A10
A9
A8
NC
A12
A13
A14
A15
WE
I/O
I/O
I/O
I/O I/O
I/O
I/O
I/O
VSS
VSS
VDD
VDD
I/O
I/O
I/O
I/O
BLE
BHE
I/O
I/O
I/O
I/O
CS
A0
OE
A7
A6
A5
A1
A2
A3
A4
SCANEN
SCANMOD
EXTIN2
UCSRC
CPUEN
R1342
301_95
R1312 R1313
TPGBLK
TE301E TPDVS TPDCLK TPDHS
RB310
RB309
RB308
RB307
RB306
RB305
RB304
RB303
RB302
C1351
R332 R333
R376 R379
R1373
R1372
R1371
C1371
R324 R323
R322
R317
R316
R319
R318
R314
R312
R308
R307
R313
R306
R301
R302
R394 R393 R392 R391 R387 R388 R384
R377 R378
R383 R382
R381
TP1385
TP1384
TP1383
R1387
R1386
R1384
R1383
R1382 R1381
R1392 R1393
C1311
R1343
R1344
C1342
R1346
C1332 C1333
C1331
R344
R369
R367
R346
R347
R351
R349
R348
R353
R352
R356
R358
R354
R361
R359
R357
R362
R363
R364
R366
R368
R371
C1362 C1352
R1357
R334 R331 R329 R328
RB1431 RB1432
R1431 R1432 R1434 R1433
RB1434 RB1433
RB1442
RB1441
RB1444
RB1443
RB1446
C1413
C1414
C1411
C1412 C1409
C1408
C1407
C1406
C1401
C1402 C1403 C1404
C1416
R1445
R1446
R1442
R1441
RB1445
RB1435 RB1436
R1435 R1436
R1443
R1444
RB325 RB326 RB324 RB323 RB321 RB322 RB312 RB311
RB301
301_246
301_244
301_323
301_62
301_157
301_223
301_220
301_301
301_131
301_33
301_34
301_133
301_35
TP302
TP301
TP1311
TP1341
TP1302 TP1301
R336
R1366
R1362 R1352
R1353
R1311
R1391
R1389
R1388
TP1382
TP1381
TP1342
R1341 IC1341
K8Y
K8X
C1301
R1301
C309
C308
C307
C306
C324
C323
C321
C322
C319
C318
C316
C317
C313 C314
C312 C311
C304 C303 C302
C301
R338
R337
X1351 X1361
10KC
GJ
1/16
NT1
GZ0C
1/16
3.3KC
GJ
1/16
1640G
J30B
1640G
J30B
1640G
J30B
1640G
J30B
1640G
J30B
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
100WM
6.3EM
1/16GJ22C 1/16GJ22C
X X
GZ0C
1/16
3.3KC
1/16GJ
1.8KC
1/16GJ
GQFZ
25KZ0.1
10KC
GJ
1/16
1/16GZ0C
1/16GZ0C
1/16GJ10KC
1/16GJ10KC
1/16GZ0C
1/16GZ0C
1/16GZ0C
1/16GJ10KC
1/16GZ0C
1/16GZ0C
1/16GZ0C
1/16GJ10KC
1/16GJ10KC
1/16GZ0C
1/16GJ10KC 1/16GJ10KC 1/16GJ10KC 1/16GJ10KC 1/16GJ10KC 1/16GJ10KC 1/16GJ10KC
X X
1/16GZ0C X
1/16GJ10KC
1640G
J30B
1640G
J30B
1640G
J30B
X
1/16GZ0C
GZ0C
1/16
GZ0C
1/16
X X
X X
GQFZ
0.1
25KZ
X
1/16GJ10KC
GQFZ
25KZ0.1
10KC
1/16GJ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
220WM
6.3EM
1/16GZ0C
X
X
1/16GJ10KC
X
X
1/16GJ10KC
1/16GZ0C
X
1/16GZ0C
1/16GJ10KC
1/16GJ10KC
1/16GJ10KC
1/16GZ0C
1/16GJ10KC
X
1/16GJ10KC
X
1/16GJ1.8KC
1/16GJ1.8KC
1/16GZ0C
1/16GZ0C
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
10KC
GJ
1/16
1/16GJ22C 1/16GZ0C 1/16GZ0C 1/16GZ0C
:R1A42204G
R1HA2204G
1/16GJ22C 1/16GJ22C 1/16GJ22C 1/16GJ22C
:R1A42204G
R1HA2204G
:R1A40R04G
R1HA0R04G
:R1A40R04G
R1HA0R04G
:R1A40R04G
R1HA0R04G
:R1A40R04G
R1HA0R04G
:R1A40R04G
R1HA0R04G
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
220WM
6.3EM
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
25KZ0.1
1/16GZ0C
1/16GZ0C
1/16GZ0C
1/16GZ0C
:R1A40R04G
R1HA0R04G
:R1A42204G
R1HA2204G
1/16GJ22C 1/16GJ22C
1/16GZ0C
1/16GZ0C
X X X X X X
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
:R1A41034G
R1HA1034G
NT1
NT1 NT1 NT1 NT1
NT1
NT1
NT1
NT1
NT1
NT1
NT1
NT1
1640G
J30B
1640G
J30B
1640G
J30B
1640G
J30B
1640G
J30B
1640G
J30B
GZ0C
1/16
1/16GJ
10KC
75C
1/16GJ
GZ0C
1/16
10KC
GJ
1/16
V10B 5090G
GZ0C
1/16
GZ0C
1/16
1/16GZ0C
1/16GZ0C
1640G
J30B
1640G
J30B
1640G
J30B
10KC
GJ
1/16
J10EG060G
J11B2940G
GQFZ
25KZ0.1
GZ0C
1/16
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
0.1
25KZ
GQFZ
25KZ0.1
GQFZ
0.1
25KZ
GQFZ
0.1
25KZ
GQFZ
25KZ0.1
GQFZ
0.1
25KZ
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
25KZ0.1
GQFZ
0.1
25KZ
220WM
6.3EM
GQFZ
0.1
25KZ
220WM
6.3EM
GZ0C
1/16
X
V10B 5100G
8
7
6
5 4
3
2
1
352
351
350
349
348
347
346
345
344
343
342
341
340
339
338
337
336
335
334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315
314
313
312
311
310
309
308
307
306
305
304
303
302
301
300
299
298
297
296 295 294 293 292 291 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276
275
274
273
272
271
270
269
268
267
266
265
264
263
262
261
260
259
258
257
256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235
234
233
232
231
230
229
228
227
226
225
224
223
222
221
220
219
218
217
216
215
214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192
191
190
189
188
187
186
185
184
183
182
181
180
179
178
177
176
175
174
173
172
171
170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1
2
3 4
5
1
2
3
4 5
6
7
8 8
7
6
5 4
3
2
1
5
4 3
2
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25 24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23 22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GCOAST
COAST
MCOAST
GCOAST
VB7 VB6 VB5 VB4 VB3 VB2 VB1 VB0 VG7 VG6 VG5 VG4 VG3 VG2 VG1 VG0 VR7 VR6 VR5 VR4 VR3 VR2 VR1 VR0
3.3VS 5VS
5VS
ICE_RESET
P-SDA2
P-SCL2
CLKIN CLKIN
DG2 DG3 DG4
3.3VS
3.3VS
GFIELD
VR0
P-SDA
P-SCL
RESET
3.3V
DRA9
DRA8
DRA7
DRA6
DRA5
DRA4
DRA3
DRA2
DRA1
DRA0
DGA0
DGA1
DGA2
DGA3
DGA4
DGA5
DGA6
DGA7
DGA8
DGA9
DBA9
DBA8
DBA7
DBA6
DBA5
DBA4
DBA3
DBA2
DBA1
DBA0
DR0
DR1
DR2
DR3
DR4
DR5
DR6
DR7
DR8
DR9
DG9
DG8
DG7
DG6
DG5
DG4
DG3
DG2
DG1
DG0
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
VR1 VR2 VR3 VR4 VR5 VR6 VR7 VG0 VG1 VG2 VG3 VG4 VG5 VG6 VG7 VB0 VB1 VB2 VB3 VB4 VB5 VB6 VB7
DR8
DR9
DR5
DR3
DR4
DR6
DR7
DR2
DG0 DR1 DG1 DB0 DR0 DB1
P-SCL2 P-SDA2
DCKEXT
PW_RESET
3.3VS
CS2
CS3
NMI
ICE_RESET
D0
D8
D1
D9
D2
D10
D3
D11
D4
D12
D5
D13
D6
D14
D7
D15
ROMOE
ROMWE
BOOTWE
A18
A19
A16
A17
A15
A13
A14
A12
A10
A11
A8
A9
A7
A5
A6
A3
A4
A1
A2
A2
A3
A1
ROMOE
D0
D8
D1
D9
D2
D10
D3
D11
D4
D12
A4
A5
A6
A7
A8
A18
A19
ROMWE
D5
D13
D6
D14
D7
D15
A17
A9
A10
A11
A12
A13
A14
A15
A16
A13
A14
A15
A16
RAMWE
D7
D6
D5
D4
D3
D2
D1
A12
A11
A10
A9
D8
D9
D10
D11
D12
D13
D14
D0 D15
A0
BHEN
RAMOE
A8
A7
A6
A1
A2
A3
A4
A5
CLKIN
VS
HS
2.5VS
3.3VS
3.3VS
2.5VS
DG6
DHS
DG5 DB4 DB8
DVS
DCLK
DG7 DB2 DB5 DB6 DB7 DB9
CLKIN
DG8 DG9 DB3
DCKEXT
A18
A19
A14
A15
A13
A17
A11
A16
A12
A9
A10
A8
GRE5
GRE6
GRE7
A7
A6
A3
GRE4
GRE3
GRE1
GRE2
A5
A4
A2
A1
GRE0
GRO7
A0
BHEN
GRO6
GRO5
GRO4
GRO3
CS3
CS2
GRO2
GRO1
GRO0
GGE7
ROMOE
ROMWE
GGE6
GGE5
GGE4
GGE3
RAMOE
RAMWE
D15
D14
D13
D12
GHSFOUT
D11
D10
GVS
GCLK
D9
D8
D7
D6
D5
D4
GPEN
AD_HS
GBLKSPL
GHS
D2
D3
GFBK
GGE2
GGE0
D0
D1
GGE1
GGO7
GGO6
GGO3
GGO0
NMI
GBE3
GBE7
GGO4
GGO5
RESET
GBO0 GBO5
GGO2
GGO1
GBE2
S_P_0
PW_TXD
PW_RXD
GBE6
GBE4
GBO6 GBO2
S_P_1 BOOTWE
P-SCL
P-SDA
GBE5
GBE0
GBO1 GBO4
P_S_1
GBE1
GBO7 GBO3
P_S_0
IC1301
24LC16BT/SN-T
IC1311
TC7S32FU-TE85L
IC301
PW365-10U
IC1331
IS61LV6416-15T
IC1341
MBM29LV800TA90N
IC1371
TC7S32FU
-TE85L
IC1361
ICS512MT
IC1351
ICS512MT
FLASH
ROM
TPDCLK
TPDVS TPDHS
3.3V
1.5V
3.0V
IC1401
BRIGHTER
IC401
DIGITAL COLOR
UNFORMITY
CORRECTION
TIMING CONTROL
SCAN
CONVERTER
SYSTEM CONTROL
IC201
A/D
IC8001
DVI I/F
CONTROL
MEMORY
MS6A-05
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A
B
C
D
E
F
G
H
I
J
K
A
B
C
D
E
F
G
H
I
J
K
L
IC401
DIGITAL COLOR
UNFORMITY
CORRECTION
TIMING CONTROL
MAIN BOARD-4/6
FLASH ROM
SRAM
A9 SCH_MS6A