Hytera MD78X Service Manual page 134

5
D
3V3D
MAP_GPIO_8
MAP_GPIO_7
MAP_GPIO_3
MAP_GPIO_6
MAP_GPIO_2
R479 R479 33 33
TDMASLOT_OUT
R571 R571 1K 1K
3V3D
3V3D
16
VCC
R477 R477 1K 1K 15
QA
R474 R474 33 33
14
S/P_DATA
C A
R475 R475 nc nc
13
3V3D
OUT EN
R473 R473 33 33
12
S/P_CS2 LATCH CLK
R467 R467 33 33
11
S/P_CLOCK
SHIFT CLK
R466 R466 10K 10K 10
3V3D
RESET
9
SQH
LOGIC IC LOGIC IC
R443 10K R443 10K
3V3D
R445 R445 100 100
EXT_PTT
R1 R1
3V3D
R2 R2
R2 R2
R1 R1
R557 R557 100 100
ACC_IO3
3V3D
R1 R1
R2 R2
R2 R2
R1 R1
B
R556 R556 100 100
ACC_IO2
3V3D
R452 10K R452 10K
R451 10K R451 10K
VBUS_EN
VBUS_DEC
PUB_ADDRESS2
RX_AUDIO
PUB_ADDRESS1
EXT_MIC
EXT_SPKR+
EXT_SPKR-
L417 L417
1 2 BLM15AG121SN1 BLM15AG121SN1
USB_D-
L418 L418
3 4 BLM15AG121SN1 BLM15AG121SN1
USB_D+
L416 L416
CM2-2012MCIN-181T CM2-2012MCIN-181T
R478 R478 nc nc
UART3_TXD_BT
R480 R480 nc nc
UART3_RXD_BT
C476 C476 C474 C474 C426 C426
NC NC NC NC 100p 100p
A
5
4
MD78X/MD78XG Schematic Diagram (Peripheral Interface Circuit)
C482 C482 C481 C481 C409 C409 C410 C410
100p 100p 100p 100p 100p 100p 100p 100p
R456 R456 33 33
I2C_SDA
R457 R457 33 33
I2C_SCL
R425 R425 33 33
MCBSP3_DR
R412 R412 33 33
MCBSP3_CLKX
R430 R430 33 33
MCBSP3_DX
R420 R420 33 33
MCBSP3_FSX
TXAF_DI
RXAF_DO
5VD
C480 C480 C479 C479
100p 100p 100p 100p
3
Q413 Q413
1
DTC114EE DTC114EE
2
U328 U328 PRGM_OUT8
PRGM_OUT7
1
QB
2 PRGM_OUT3
QC
PRGM_OUT6
3
QD
4
QE
5
QF ALARM
6
VBUS_EN R4964.7K R4964.7K
QG
7
QH
8
GND
5VD
3
R447 10K R447 10K
1
5VD
Q405 Q405
2
DTC114EE DTC114EE R1 R1
R2 R2
R437 4.7K R437 4.7K
2 3
1
R2 R2
R563 33k R563 33k
1
R1 R1
Q404 Q404 Q402 Q402
3 2
DTC114EE DTC114EE DTC114EE DTC114EE
R551 R551
470 470
5VD
R436 4.7K R436 4.7K
C422 C422
220p 220p
D233 D233
MMBZ20VALT1G MMBZ20VALT1G
5VD
U401 U401
USB_VBUS C421 C421
220p 220p
3 2
FAULT GND
4
ON
5 1
IN OUT
SMART SWITCH SMART SWITCH
D450 D450
PRTR5V0U2X PRTR5V0U2X
C427 C427 C428 C428 D240 D240 D238 D238
C429 C429 C430 C430 C431 C431
100p 100p 100p 100p 100p 100p 100p 100p 100p 100p
MMBZ20VALT1G MMBZ20VALT1G MMBZ6V8ALT1G MMBZ6V8ALT1G
5VD
R476 10k R476 10k
J403 J403
MAP26 MAP26
4
3
C411 C411 C412 C412
C413 C413 C414 C414 C415 C415 C416 C416
100p 100p 100p 100p J400 J400
100p 100p 100p 100p 100p 100p 100p 100p
22 21
R423 R423 33 33
2 1
R424 R424 33 33
4 3
6 5 R431 R431 33 33
R408 R408 33 33
8 7
R415 R415 33 33
10 9
R416 R416 33 33
12 11
R409 R409 33 33
14 13
16 15 R432 R432 33 33
R433 R433 33 33
18 17
R407 R407 0 0
20 19
24 23
C407 C407 CON2X10 CON2X10
C417 C417 C418 C418 C477 C477 C478 C478
0.1u 0.1u 100p 100p 100p 100p 100p 100p 100p 100p
5VD
5VD 5VD
5VD
R471 R471
R468 R468 4.7K 4.7K
4.7K 4.7K
R1 R1
R1 R1 R1 R1
R2 R2
R2 R2 R2 R2
R2 R2
R2 R2 R2 R2
R1 R1
R1 R1 R1 R1
D405 D405
C434 C434
C432 C432
C437 C437 C433 C433
D406 D406
220p 220p
220p 220p
220p 220p MMBZ20VALT1G MMBZ20VALT1G
220p 220p
MMBZ20VALT1G MMBZ20VALT1G
D404 D404
MMBZ20VALT1G MMBZ20VALT1G
7.0V
121
3
2
3V3D
WAKE_HOST/OPT_GPIO2
WAKE_BT/OPT_GPIO1
RESET_BT/SYSTEM_SYNC
OPT_BRD_PTT R400 10K R400 10K
3V3D
UART3_TXD_BT
3
UART3_RXD_BT
UART3_CTS_BT
R460 R460 1K 1K
1
UART3_RTS_BT AUX_C
Q323 Q323
2
DTC114EE DTC114EE
3V3D
R438 R438
10K 10K
R439 R439 100 100
5VD
5VD EXT_SWB+
R446 R446
NC NC
R469 R469
3
4.7K 4.7K
R449 R449
1
Q400 Q400
1.5K 1.5K
1.0V
1
Q401 Q401
R1 R1 2
DTC114EE DTC114EE
R2 R2 R450 R450
2SA1362 2SA1362
2.7K 2.7K
R2 R2
3
R1 R1
1
Q403 Q403
DTC114EE DTC114EE
2
R562 R562 R550 R550
33k 33k
470 470
C436 C436
C423 C423
D402 D402
C424 C424
220p 220p 220p 220p
220p 220p
MMBZ20VALT1G MMBZ20VALT1G
D403 D403
MMBZ20VALT1G MMBZ20VALT1G
D409 D409
MMBZ33VALT1G MMBZ33VALT1G
R455 R455 100K 100K
DESIGNER: LHY
Title Title Title
<Title>: <Title>: <Title>: peripheral
Size Size Size Document Number Document Number Document Number
C C C <Doc> <Doc> <Doc>
Date: Date: Date: Wednesday, December 08, 2010 Wednesday, December 08, 2010 Wednesday, December 08, 2010
2
1
D
EMERGENCY_IN
IGN_SENSE
ALARM
C
C425 C425
R454 R454
220p 220p
10K 10K
B
IGN_SENSE_IN
A
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Sheet Sheet Sheet 6 6 6 of of of 14 14 14
1