HBD-E385/E390/T39
HBD-E385/E390/T39
38
38
5-9. SCHEMATIC DIAGRAM - MB148 Board (2/9) -
• See page 55 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MB148 BOARD (2/9)
3.3
6.2
3.3
6.2
3.3
3.3
1.3
2
0
6.2
3.3
6
3.3
0.8
6.2
3.3
0.7
0.7
3.3
3.3
1.5
6.2
0.8
1.5
5.5
1.5
5.5
1.5
3.3
5.2
5.2
5.2
5.2
5.2
12
12
12
12
0
3.3
0.8
12
5
3.6
12
3.3
5.2
2
0.8
FE_GND_M
FL_GND
EN_POWER
FL_6V
PVDD_CONT
FL_GND
FL_6V
6
5
4
1
2
3
D
D
G
S D
D
6
5
4
1
2
3
D
D
G
S D
D
1
2
3
4
5
6
7
8
9
10
11
1.5V
1.2V
C353
22
3.3V
DCDC5V
3.3V
GND
GND
GND
GND
3.3V
GND
GND
JL313
JL315
JL316
C340
10
1k
R327
JL312
C350
0.1
C318
22
1k
R343
C351
22
C352
22
PCONT2
1k
R376
L305
2.2uH
L306
2.2uH
3.3k
R333
3.3k
R334
68
R335
JL5305
JL5304
JL5302
JL5306
JL5303
JL5308
JL5301
F5303
3.15A 32V
F5305
3.15A 32V
C341
10
C343
10
P_FAIL
PCONT3
PCONT3
Q305
OVER VOLTAGE
DETECT
DRC5114E0L
C346
0.01
C349
0.1
3.3
R342
2.2k
R371
C307
0.01
C362
2200p
C5362
2200p
F5301
1A 50V
F5306
1A 50V
F5307
1A 50V
F5304
1A 50V
1k
R378
FE_SW12V
UNSW6V
UNSW6V
UNSW6V
UNSW12V
C5310
0.1
PCONT1
PCONT1
A_GND
C5311
0.001
C5321
0.001
L5301
2.2uH
C5314
22
1k
R5304
JL5313
C5315
22
100k
R5317
Q5301
OVER VOLTAGE
DETECT
DRC5114E0L
JL5307
JL5309
FL_GND
EN_POWER
EN_POWER
D304
BZT52H-C4V3
JL5310
FL_6V
PVDD_CONT
PVDD_CONT
C5320
10
L304
2.2uH
1 VO
2 VFB
3 VREG5
4 SS
5 GND
6 PG
7 EN
L5302
10uH
L303
10uH
0
R5354
0
R5352
33k
R391
C385
0.01
2.2k
R393
Q310
OVER VOLTAGE
DETECTOR
DRC5114E0L
2.2k
R392
33k
R390
C5312
1
10k
R5327
1k
R340
10k
R5325
22k
R5323
Q311
12V VOLTAGE
CONTROL
PMG85XP
0
R341
FE_SW5V
Q302
5V VOLTAGE
CONTROL
PMG85XP
C373
0.01
33k
R375
33k
R374
Q312
OVER VOLTAGE
DETECTOR
DRC5115E0L
C5313
0.01
JL5311
CN5301
11P
A+12V
UNSW12V
FEUNSW12V
FE_GND
FL_GND
AGND
DGND
UNSW6V
FL_6V
PVDD_CONT
EN_POWER
D303
BZT52H-C4V3
D5302
BZT52H-C6V2
0
R302
0
R5355
1k
R5353
C5317
10
D3.3V
A12V
FAN_GND
CL5301
CL5302
CL5303
C5325
10
8.2k
R5301
47k
R5302
3.3
R5311
10k
R5303
C5307
2200p
3.3k
R330
4.7k
R331
1.5k
R332
3.3k
R336
D5303
DA2J10100L
C348
4700p
C5301
10
C5302
10
C347
1
C5319
1
1.5k
R370
12k
R5312
SWR1
SWITCHING
REGULATOR
(1/3)
1.2V
3.3V
GND
1.2V
GND
IC5302
BD00GC0WEFJ-SE2
IC5302
+3.3V REG
IC308
TPS54225PWPR
IC308
DC-DC CONVERTER
IC5301
RT8293ALZSP
IC5301
DC-DC CONVERTER
IC307
RT8293ALZSP
IC307
DC-DC
CONVERTER
IC5303
S-1170B33UC-OTSTFG
IC5303
+3.3V REG