Hytera MD78X Service Manual page 422

5
D
3V3D
J374 J374
1
3V3D
GPIO13
2
CON2 CON2
C
3V3D
TP374 TP374 1 LOW-PWR
/PRST
C356 C356 0.1u 0.1u
VOTG_DET
RTC_ALARMB
CODEC_CLK
1
TP378 TP378
3V3D
VBUS_DEC
RESET_BT/SYSTEM_SYNC
JTAG JTAG
2 1
4 3
R391 R391
6 5
8 7
10K 10K
10 9
12 11
14 13
J375 J375
B
A
5
4
MD78X/MD78XG Schematic Diagram (OMAP Circuit)
19.2_OMAP
TP309 TP309
CLK CLK
TP377 TP377
C375 C375 C376 C376 OSC OSC
12p 12p
12p 12p
X375 X375
SSP-T7-F SSP-T7-F
R375 R375
0 0 R374 R374
1
0 0
U302C U302C
OMAP OMAP
Y13
VSS
R382 10K R382 10K
R19
GPIO1
J20
MPU_BOOT
R377 10K R377 10K
N19
GPIO13/LCD.BLUE0
R378 10K R378 10K
W19
BFAIL
R379 10K R379 10K
T20
LOW_PWR
R380 R380 33 33
U20
MPU_RST
R12
PWRON_RESET
R381 R381 33 33
R383 R383 1K 1K
V18
CONF
W15
GPIO40/BCLKREQ
R385 10K R385 10K
R10
3V3D
GPIO23/MCLKREQ
P12
VSS
TP375 TP375
TP376 TP376
C339 100p C339 100p
MCLK MCLK
BCLK BCLK
R387 33 R387 33
V5
GPIO24/MCLK
Y15
GPIO17/BCLK
W13
RTC_WAKE_INT/GPIO55
R390 R390 10K 10K Y12
RTC_ON_NOFF
W10
MPUIO11
W9
GPIO25/MCSI2.DOUT
/TRST
Y18
TRST
TMS V17
TMS
TDI
Y19
TDI
TDO
AA19
TDO
RTCK
Y17
RTCK
TCK
W18
TCK
EMU0
V16
EMU0 LDO.FILTER
EMU1
W17
EMU1
R392 R392 R393 R393 R394 R394 R395 R395 R396 R396
10K 10K 10K 10K 10K 10K 4.7K 4.7K 4.7K 4.7K
3V3D
C334 C334
0.1u 0.1u
4
3
R419 R419
C338 C338 nc nc
1000p 1000p
C364 39p C364 39p X302 X302
4 1
VCC VCC VT VT
L151 L151 C337 C337 R426 R426
3 2
OUT OUT GND GND
L147 L147 470n 470n
470n 470n
1000p 1000p
19.2MHz TCXO 19.2MHz TCXO
C365 C365
C362 C362 C363 C363
82p 82p
82p 82p 82p 82p
1V6D
A15
CVDD
M2
CVDD
1V6D
Y9
CVDD
Y20
CVDD
AA3
CVDD1
C382 C382 C383 C383 C384 C384 C385 C385
A3
CVDD2
0.1u 0.1u 0.1u 0.1u 0.01u 0.01u 100p 100p
A9
CVDD2
E2
CVDD2
B13
CVDD3
B20 1V6D
CVDD3
J21
CVDD3
R20
CVDD3
1V6A 1V6D
W12
CVDDRTC
L913 L913
R386 10 R386 10
A11
CVDDDLL
C386 C386
BLM18PG300SN1 BLM18PG300SN1
MMBZ5V6ALT1G MMBZ5V6ALT1G
Y21 0.1u 0.1u
CVDDA
3V3D_OMAP
D236 D236
A19
R388 10 R388 10
DVDD1
E21
DVDD1
C391 C391
AA2
DVDD2
0.1u 0.1u
Y7
3V3D_OMAP
DVDD3 1V8D
A5
DVDD4
A7
C392 C392 C393 C393 C394 C394 C387 C387 C388 C388 C389 C389
DVDD4
B10
DVDD4 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
B14
DVDD4
VFLASH
C2
DVDD5
H2
DVDD5
R1
DVDD5
3V3D_OMAP
AA11
DVDD6 VFLASH
1V8D
Y16
DVDD7
L21
DVDD8
U21
DVDD9 C400 C400 C341 C341
C398 C398
V12
0.1u 0.1u 100p 100p
DVDDRTC 0.1u 0.1u
J1
C396 C396
1u 1u
409
3
2
3V3A
R414 R414 10 10
+ +
C336 C336 C401 C401
0.1u 0.1u 10u/16V 10u/16V
0 0
1V6D
C379 C379 C380 C380 C381 C381 C378 C378
0.1u 0.1u 0.1u 0.1u 0.01u 0.01u 100p 100p
3V3D
L912 L912
BLM18PG300SN1 BLM18PG300SN1
C390 C390
MMBZ5V6ALT1G MMBZ5V6ALT1G
100p 100p + + C402 C402
10uF/16V 10uF/16V D234 D234
C399 C399 C335 C335
0.01u 0.01u 100p 100p
MMBZ5V6ALT1G MMBZ5V6ALT1G
D239 D239
DESIGNER:
Title Title Title
<Title> <Title> <Title>
Size Size Size Document Number Document Number Document Number
C C C <Doc> <Doc> <Doc>
Date: Date: Date:
2
1
D
C
B
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LHY
OMAP CORE
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Tuesday, November 30, 2010 Tuesday, November 30, 2010 Tuesday, November 30, 2010 Sheet Sheet Sheet 4 4 4 of of of 14 14 14
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