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PD78XG
Hytera PD78XG Service Manual
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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
3V3D
EXT-PWR
10
PS-RXVCO
1
SEL2-Accessory
7
SEL-MIC
12
SEL3-Accessory
7
Mode-AMP
12
LED-LCD-BL
7
TONE-CODEC
13
LED-IND2
7
POWER-CTL
10
PLL-LD
1
PS-TXVCO
1
PS-GPS
10
MOTOR-CTL
7
LED-KEY
7
PS-RX
14
CH1
7
INT-PTT
7
DAV-CODEC
13
PS-APC
14
CH2
7
LED-IND1
7
CH8
7
CH4
7
Acce-INT1
7
RESET-CODEC
13
SEL1-Accessory
7
DISCHARGE-SW-TX
14
PS-2LOC
8
IO1-OPT
7
IO2-OPT
7
IO3-OPT
7
IO5-OPT
7
IO4-OPT
7
SEL1-ADC
13
SEL2-ADC
13
EXT-PTT
7
POWER-KEY-DET
10
EMERGENCY
7
SW-CVread
1
IO-TD-TEST
3
PS-TX
14
SW-CHARGE-FGU
1
SEL-SPK
3
IIC-INT
5
del:R242
、
R244
C281
470P
C281
470P
C295
470P
C295
470P
C284
470P
C284
470P
R263
470
R263
470
C288
470P
C288
470P
C275
1500p
C275
1500p
C280
470P
C280
470P
C276
1500p
C276
1500p
U201D
OMAP5912ZZG-1
U201D
OMAP5912ZZG-1
GPIO1/UART3.RTS
R19
GPIO13/LCD.BLUE0
N19
MPUIO5/LOW_PWR/UART3.RTS
T20
GPIO40/BCLKREQ
W15
GPIO23/MCLKREQ
R10
GPIO55/RTC_
WAKE_INT
W13
MPUIO11
W10
GPIO25/MCSI2.DOUT
W9
GPIO0/USB.VBUS
R18
MPUIO5/MPUIO12
W5
MPUIO3/MMC2.DAT1
V8
GPIO7/MCSI2.SYNC
V9
MPUIO10/MPUIO7
V10
GPIO57/MMC.CLK
V11
GPIO8/TRST
Y8
GPIO26/MCSI2.DIN
AA9
GPIO27
Y10
GPIO55/MMC.CMD
P11
MPUIO9/MPUIO6
W11
GPIO58
R11
GPIO6/MCSI1.DIN/TIMER.EVENT3
P19
GPIO4/SPIF.DIN/TIMER.EVENT4
P20
GPIO29/LCD.P8
D17
GPIO30/LCD.P9
D16
GPIO31/LCD.P10
C17
GPIO32/LCD.P11
B17
GPIO33/LCD.P12
G13
GPIO34/LCD.P13
A17
GPIO35/LCD.P14
C16
GPIO2/LCD.P15
D15
GPIO14/LCD.RED0
N21
MPUIO1/uWIRE.SCLK
V19
GPIO2
M14
GPIO39/UART1-IRSHDN
AA15
GPIO38/UART1-IRSEL
R14
GPIO62/MCBSP1.CLKS
G20
MPUIO12/CAM.D0
L19
GPIO35/CAM.D7/UWIRE.CS0
J18
GPIO38/CAM.HS
L15
GPIO37/CAM.RSTZ
M19
MPUIO14/CAM.VS
L18
GPIO50/PWT/TIMER.PWM0
M18
GPIO15/TIMER.PWM2
M20
GPIO49/PWL/TIMER.PWM1
L14
GPIO3/MCBSP3.FSX/LED1
P18
GPIO11/HDQ
N20
GPIO7/UART2.RCV
Y5
GPIO16/FLASH.CS1U
Y1
GPIO5/FLASH.CS2U
P3
GPIO45/SPIF.CS0/UART3.TX/MCBSP3.CLKX
N14
GPIO44/uWIRE.CS3
P15
GPIO56/MCSI1.DIN
V15
MPUIO2/SPIF.CS1/uWIRE.CS1
N15
GPIO28/KB.C5
G19
C304
1500p
C304
1500p
R264
470
R264
470
C283
470P
C283
470P
R241
10K
R241
10K
R242
10K
R242
10K
C298
470P
C298
470P
C303
470P
C303
470P
C277
1500P
C277
1500P
C282
470P
C282
470P
R265
470
R265
470
C287
470P
C287
470P
C278
470P
C278
470P
C289
1500P
C289
1500P
C305
470P
C305
470P
C302
470P
C302
470P
C300
470P
C300
470P
C297
470P
C297
470P
TP240
TP240
1
C301
470P
C301
470P
PD70X/PD70XG/PD78X/PD78XG/HD705/HD705G/HD785/HD785G Schematic Diagram (OMAP IO)
147
156
158
Table of Contents
Default Chapter
4
Table of Contents
4
Documentation Information
11
1 Introduction
12
2 Product Controls
13
3 Baseband Section
16
Power Section
16
Diagram of Power Control
16
Radio On/Off
16
Figure 3-1 Diagram of Power Control
16
Figure 3-2 Diagram of Radio On/Off Control
16
Power Protection
17
Power Consumption Control
17
Control Section
17
OMAP5912 Dual-Core Processor
17
Figure 3-3 Diagram of OMAP5912
18
Figure 3-4 Diagram of Overall Scheme
18
External Memory
19
Figure 3-5 Diagram of External Memory
19
Clock
20
Figure 3-6 Diagram of Baseband Clock
20
Reset Signal
21
Spi
21
Mcbsp
21
Figure 3-7 Diagram of Reset Signal
21
Figure 3-8 Diagram of SPI Connection
21
Usb
22
Figure 3-9 Diagram of MCBSP Connection
22
Figure 3-10 Diagram of USB Interface
22
Uart
23
I2C
23
Figure 3-11 Diagram of UART Interface Connection
23
Figure 3-12 Diagram of I2C Connection
23
Microwire
24
Mcsi1
24
Audio Section
24
Audio Diagram
24
Figure 3-13 Diagram of MICROWIRE Connection
24
Figure 3-14 Diagram of MCSI1 Connection
24
Diagram of Signal Flow
25
Figure 3-15 Diagram of Audio Section
25
Audio Amplifier
26
Figure 3-16 Diagram of Audio Signal Flow
26
Troubleshooting Flow Chart
27
PCB Difference
28
4 GPS Circuit
29
Circuit Description
29
Figure 4-1 Diagram of GPS Circuit
29
Schematic Diagram
30
Parts List
30
Figure 4-2 Schematic Diagram
30
Troubleshooting Flow Chart
33
5 Tuning Description
34
6 Interface Definition
35
Table 6-1 Definition of 50-Pin Interface
37
Table 6-2 Definition of 30-Pin LCD Interface
37
Table 6-3 Definition of Channel Board Interface
38
Table 6-4 Definition of 20-Pin Option Board Interface
40
Table 6-5 Definition of 16-Pin Accessory Interface
40
Table 6-6 Definition of Accessory Identifiers
41
7 UHF1 (400-470Mhz) Information
42
Transmitter Circuit
42
RF Power Amplifier Circuit
42
Figure 7-1 Diagram of Transmitter Circuit
42
Low-Pass Filter Circuit
43
Auto Power Control Circuit
43
Receiver Circuit
43
Receiver Front-End
44
Figure 7-2 Diagram of Receiver Circuit
44
Receiver Back-End
45
Frequency Generation Unit (FGU)
45
Figure 7-3 Diagram of if Processor
45
Figure 7-4 Diagram of FGU
46
Working Principle of PLL
46
Two-Point Modulation
47
Working Principle of VCO
47
PCB View
48
Block Diagram
56
Schematic Diagram
59
Parts List
75
Troubleshooting Flow Chart
125
8 UHF2 (450-520Mhz) Information
131
Transmitter Circuit
131
RF Power Amplifier Circuit
131
Figure 8-1 Diagram of Transmitter Circuit
131
Low-Pass Filter Circuit
132
Auto Power Control Circuit
132
Receiver Circuit
132
Receiver Front-End
133
Figure 8-2 Diagram of Receiver Circuit
133
Receiver Back-End
134
Frequency Generation Unit (FGU)
134
Figure 8-3 Diagram of if Processor
134
Figure 8-4 Diagram of FGU
135
Working Principle of PLL
135
Working Principle of VCO
135
Two-Point Modulation
136
PCB View
137
Block Diagram
145
Schematic Diagram
148
Parts List
164
Troubleshooting Flow Chart
215
9 UHF3 (350-400Mhz) Information
221
Transmitter Circuit
221
RF Power Amplifier Circuit
221
Figure 9-1 Diagram of Transmitter Circuit
221
Low-Pass Filter Circuit
222
Auto Power Control Circuit
222
Receiver Circuit
222
Receiver Front-End
223
Figure 9-2 Diagram of Receiver Circuit
223
Receiver Back-End
224
Frequency Generation Unit (FGU)
224
Figure 9-3 Diagram of if Processor
224
Figure 9-4 Diagram of FGU
225
Working Principle of PLL
225
Working Principle of VCO
225
Two-Point Modulation
226
PCB View
227
Block Diagram
235
Schematic Diagram
238
Parts List
254
Troubleshooting Flow Chart
305
10 UHF5 (806-941Mhz) Information
311
Transmitter Circuit
311
RF Power Amplifier Circuit
311
Figure 10-1 Diagram of Transmitter Circuit
311
Low-Pass Filter Circuit
312
Auto Power Control Circuit
312
Receiver Circuit
312
Receiver Front-End
313
Figure 10-2 Diagram of Receiver Circuit
313
Receiver Back-End
314
Frequency Generation Unit (FGU)
314
Figure 10-3 Diagram of if Processor
314
Figure 10-4 Diagram of FGU
315
Working Principle of PLL
315
Working Principle of VCO
315
Two-Point Modulation
316
PCB View
317
Block Diagram
325
Schematic Diagram
328
Parts List
344
Troubleshooting Flow Chart
398
11 VHF (136-174Mhz) Information
406
Transmitter Circuit
406
RF Power Amplifier Circuit
406
Figure 11-1 Diagram of Transmitter Circuit
406
Low-Pass Filter Circuit
407
Auto Power Control Circuit
407
Receiver Circuit
407
Receiver Front-End
408
Figure 11-2 Diagram of Receiver Circuit
408
Receiver Back-End
409
Frequency Generation Unit (FGU)
409
Working Principle of PLL
410
Working Principle of VCO
410
Direct Modulation
411
PCB View
412
Block Diagram
420
Schematic Diagram
423
Parts List
439
Troubleshooting Flow Chart
492
12 Disassembly and Assembly
498
Disassembling the Chassis
498
Disassembling the TX and RX Units
498
Assembly
499
13 Exploded View
500
14 Packing Guide
506
15 Specifications
507
16 Appendix
510
Table 16-1 UHF1 Blind Spot
511
Table 16-2 UHF2 Blind Spot
511
Table 16-3 UHF3 Blind Spot
512
Table 16-5 VHF Blind Spot
512
Other manuals for Hytera PD78XG
Manual
42 pages
System Planner
182 pages
Owner's Manual
15 pages
User Manual
35 pages
5
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Hytera PD78XG Specifications
General
Brand
Hytera
Model
PD78XG
Category
Portable Radio
Language
English
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