TR850 Service Manual
202
TCXO
C265
0.1uF
C278
1uF/25V
FB34
BLM18PG181SN1
C284
100pF
C266
1uF
R301
10K
Q3
MMBT3904
C281
1uF
R304
1K
R298
10K
C267
1uF
OE
OUT
VSS
VDD
4
1
3
2
Y4
18.432MHz
1
2
3
4
5
6
7
8
9
HOLE8
Hole
C283
100pF
1
2
3
4
5
6
7
8
9
HOLE5
Hole
R300
47K
C268
1uF
1
2
3
4
5
6
7
8
9
HOLE7
Hole
1
2
3
4
5
6
7
8
9
HOLE6
Hole
R299
10K
C280
470pF
FB33
BLM18PG181SN1
+
C285
22uF/10V
1
2
3
4
5
6
7
8
9
HOLE4
Hole
C279
0.1uF
R302
10
R295
10K
R303
10K
R297
NC
+
C277
10uF/25V
C282
0.1uF
1
2
3
4
5
6
7
8
9
HOLE3
Hole
FB23
NC
1
2
3
4
5
6
7
8
9
HOLE2
Hole
C276
1uF/25V
FB32
BLM18PG181SN1
C269
1uF
1
2
3
4
5
6
7
8
9
HOLE1
Hole
R296
10K
1
MODE
2
SVR
3
IN+
4
IN-
OUT-
5
VCC
6
7
GND
OUT+
8
U31
TDA8541T
C274
100
C271
1uF
C272
100
1
IOVSS
2
IOVDD
3
FSD
4
FS
5
DOUT
6
DIN
7
M/S
PWRDN
8
9
OUTM1
10
OUTP1
11
DRVDD
12
DRVSS
13
NC1
14
NC2
15
NC3
AVSS
16
AVDD
17
MICIN
18
INP2
19
INM2
20
BIAS
21
INM1
22
INP1
23
/RESET
24
25
MCLK
SCL
26
SDA
27
28
SCLK
DVDD
29
DVSS
30
U30
TLV320AIC14I
C273
1uF
C234
1uF/25V
C235
1uF/25V
+
C236
4.7uF/6.3V
1
2
VSS
3
4
CE
VIN
5
NC
VOUT
U5
XC6209F332PR
+
C316
100uF/25V
TXAF
RXAOUT
SPK+
SPK-
C246
100P
C317
33P
C379
470P
+
C380
4.7uF/6.3V
C381
100P
C382
33P
C383
470P
+
C384
4.7uF/6.3V
C385
100P
C386
33P
C387
470P
R122
2K2
+
C237
10uF/16V
C521
100P
R144
300R
8V
8V
3V3_A
3V3_OMAP
3V3_A
3V3_OMAP
3V3_OMAP
3V3_A
1V8_LDO
CODEC_FS
CODEC_DIN
CODEC_CLK
CODEC_DOUT
SPK_MODE
I2C0_SCL
I2C0_SDA
CODEC_RESET
TX_AUDIO_IN
EXT_SPK-
3V3_A
8V
18M432HZ
18M432HZ
CODEC_AUDIO_OUT
CODEC_AUDIO_OUT
MODE
MODE
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 ...