75
+
-
-
+
ST LM358
IC205
LM358
3
2
1
4
8
5
6
7
R273
1M
R276
0
R281
51K
D224
1N4148
R261
1M
V_SENSOR_2
R263
1M
-
+
IC206B
LM324/SO_15
5
6
7
4
11
C231
4.7UF
R272
300K
V_SENSOR_3
Q221
DTC144WK
2
1
3
R279
30K
V_SENSOR_6
R271
1M
R262
1M
IC2
0
3
LM339M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OU
T
_2
OU
T
_1
VC
C
IN
_
1 -
IN
_1 +
IN
_
2 -
IN
_2 +
IN
_3 -
IN
_3 +
IN
_4 -
IN
_4 +
GN
D
OU
T
_4
OU
T
_3
R283
2M
R275
18K
C234
0.1UF
R255
10K
R287
1M
R299
300K
IC2
0
4
LM339M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OU
T
_2
OU
T
_1
VC
C
IN
_
1 -
IN
_1 +
IN
_
2 -
IN
_2 +
IN
_3 -
IN
_3 +
IN
_4 -
IN
_4 +
GN
D
OU
T
_4
OU
T
_3
V_SENSOR_1
C240
0.1UF
R270
100 (1206)
Q222
SST3904
C232
0.1UF
R2100
300K
D227
1N4148
R268
51K
R284
27K
R294 300K
BU_L
Q219
SST3904
R274
18K
R289
100K
R277
0
R258
1M
C242
0.1UF
C237
0.1UF
D221
1N4148
V_REF
R280 100K
D228
1N4148
R285
51K
R2101
1K
R264
1M
C235
0.1UF
V_SENSOR_4
R266
NC(1206)
R288
1M
R265
1M
D222
1N4148
R291
680K
R278
1M
R256
2M
R260
1M
R269
1K
C238
0.01UF
Q218
SST3904
R297
100K
C241
2.2UF
R293 300K
-
+
IC206A
LM324/SO_15
3
2
1
4
11
+12VCC
V_SENSOR_5
12Vout
-
+
IC206D
LM324/SO_15
12
13
14
4
11
Q220
DTC144WK
2
1
3
C236
0.1UF
R295 300K
D226
1N4148
D225
1N4148
R286
100K
C239
NC
R259
1M
C233
0.1UF
Q217
RK7002
1
3
2
R282
200K
C243
1UF
V_SENSOR_7
V_SENSOR_8
R296
680K
BU_R
R267
100K
D223
1N4148
R254
15K
R257
10K
Q223
DTC144WK
2
1
3
5Vout
-
+
IC206C
LM324/SO_15
10
9
8
4
11
R290 10K
D229
RLZ5.6B
R298
300K
ADJ
R292
100K
Summary of Contents for A20E221 Series
Page 13: ...AOC A20E221 13 The color temp is for you to adjust the color temperature to one you prefer ...
Page 15: ...AOC A20E221 15 4 2 Main Board Power Circuit 4 3 Remote Control Block ...
Page 16: ...AOC A20E221 16 4 4 Key Board Control Block ...
Page 17: ...AOC A20E221 17 4 5 PC Control Block ...
Page 18: ...AOC A20E221 18 ...
Page 19: ...AOC A20E221 19 4 6 Audio Control Block ...
Page 23: ...AOC A20E221 23 ...
Page 24: ...AOC A20E221 24 ...
Page 25: ...AOC A20E221 25 ...
Page 26: ...AOC A20E221 26 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 54: ...AOC A20E221 54 9 PCB LAYOUT 9 1 Main Board PCB Layout ...