TR850 Service Manual
111
DEFLDO1 DEFLDO2 VLDO1 VLDO2
0
0
3.3 V
1.2 V
1
0
3.3 V
0
1.8 V
1
1
2.8 V
1.2 V
1.8 V 3.3 V
1
PIN
VOLTAGE
LEVEL
DEFDCDC1
1.6
VCC
VCC
DEFDCDC1
1.2
GND
GND
DEFDCDC2
3.3
VCC
VCC
DEFDCDC2
1.8
GND
GND
DEFDCDC3
3.3
VCC
VCC
DEFDCDC3
1.8 V
GND
Imax =1 A
Imax =1.5 A
Imax =1.2A
Imax =200mA
Imax =200mA
1.275
8V for SPEAKER& DA_AD
Tdcdc1_en<Tdcdc2_en<Tdcdc3_en
I2C :1001000
POWER LED
Vfb=0.8V
5V/2A
All capacitor not specified is 50V,value tolerence is 20%
All resistor not specified value tolerence is 5%
C302
0.1uF
C9
0.1uF
Q8
DTC114YE
R24
0
C17
0.1uF
C37
100pF
C20
1000PF
1
DEFDCDC3
2
VDCDC3
3
PGND3
4
L3
5
VINCDDC3
6
VINDCDC1
7
L1
8
PGND1
9
VDCDC1
10
DEFCDCD1
11
HOT_RESETN
12
DEFLDO1
13
DEFLDO2
14
VSYSIN
15
VBACKUP
16
VRTC
17
AGND2
18
VLDO2
19
VINLDO
20
VLDO1
21
/LOWBAT
22
LDO_EN
23
DCDC3_EN
24
DCDC2_EN
25
DCDC1_EN
26
TRESPWRON
27
/RESPWRON
28
/INT
29
SDAT
30
SCLK
/PWRFAIL
31
DEFDCDC2
32
VDCDC2
33
PGND2
34
L2
35
VINDCDC2
36
VCC
37
PWRFAIL_SNS
38
LOWBAT_SNS
39
AGND1
40
PWRPAD
41
U2
TPS65023
+
C26
22uF/10V
2
1
D3
B330A
TP1
C12
0.1uF
R1
10K 1%
R363
3.3K
Q7
ST2301SRG
R20
10K
C39
10pF
R368
NC
R4
2K 1%
+
C30
10uF/25V
T
1
2
R2
10D220
+
C18
22uF/10V
D4
NC
R21
10K
R194
NC
+
C5
100uF/25V
2
1
D1
SM3MA1
1
2
LED6
R18
8.2K 1%
C38
10pF
Q9
MMBT3904
C35
100pF
1
2
F1
2920L300
R10
10K
L2
2.2uH
C4
100pF
+
C33
10uF/16V
C25
1uF
R25
10K
+
C11
22uF/10V
R16
10K
C22
0.1uF
+
C13
100uF/25V
C8
0.1uF
R366
43K 1%
Q1
DTC114YE
L3
2.2uH
C14
1000P
1
ADJUST
2
ON_OFF
3
GND
4
IN
5
OUT
6
GND
U3
LM2941S
+
C6
10uF/25V
C7
0.1uF
R12
NC
Q2
DTC114YE
C27
0.1uF
+
C10
22uF/10V
R3
NC
R26
10K
1
BOOT
2
VIN
3
EN
4
SS
5
VSNS
6
COMP
7
GND
8
PH
9
GND
U1
TPS54331
+
C29
10uF/25V
1
2
J1
CON2
R5
30K
C28
2.2uF
+
C31
10uF/25V
R6
10
R367
10K
C19
0.1uF
R15
10K
D2
SMCJ20A
R365
1.8K 1%
C36
100pF
R13
43K 1%
R17
10K
+
C21
10uF/25V
R23
10K
TP2
R333
1K
L4
2.2uH
+
C16
22uF/10V
R8
10K
R9
10K
R364
2.2K
L1
4.7uH
R19
10K
+
C34
10uF/16V
+
C24
10uF/25V
C1
10nF
+
C23
NC
R11
NC
+
C32
10uF/16V
R14
10K
+
C2
10uF/25V
C3
0.1uF
C15
47P
R7
10K
R22
0
1
2
J27
CON2
L10
5FE1-BLM41P600SPT
+
C331
1000uF/35V
C407
470P
C408
470P
C409
470P
C410
470P
+
C411
100uF/25V
L9
L11
5FE1-BLM41P600SPT
L12
C427
470P
+
C428
22uF/10V
L14
5FE1-BLM41P600SPT
+
C522
1000uF/35V
L17
L16
5V
5V
1V8
3V3
1V2
5V
5V
3V3
5V
1V8_LDO
5V
3V3_LDO
5V
8V
13VRF
1V8
1V2
5V
5V
5V
13V
13VRF
3V3_OMAP
5V
13V
I2C0_SCL
I2C0_SDA
OMAP_RESET#
DCDCEN_2
SW-
SW+
M13V
B13V
13VA
GNDFAN
SW+
SW-
DCDCEN_2
Summary of Contents for TR850
Page 1: ......
Page 45: ...TR850 Service Manual 5 4 Connection 1 2 3 4 6 8 7 5 9 10 13 14 15 16 18 17 11 12 41 ...
Page 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Page 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Page 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Page 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Page 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Page 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Page 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Page 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Page 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Page 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Page 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Page 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Page 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Page 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...