Hytera DMR Service Manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
9d3V
9d3V
9d3V
9d3V
9d3V
VAG
9d3V
VAG
VAG
VAG
VAG
VAG
VAG
VAG
3V3A
1V8D
3V3D
3V3A
1V8D
9V3
9d3V
9d3V
9d3V
9d3V
9d3V
9d3V
B+
9d3V
VAG
3V3A
SPK_SEL
EXT_SPKR+
EXT_SPKR-
TEMP_DET
REV_TEMP_DET
RXAF_DO
CODEC_/SS
CODEC_SSI_WCLK
LOW_LEVEL_MUTE
CODEC_SSI_DO
CODEC_MISO
PUB_ADDRESS2_EN
/CODEC_DAV
CODEC_SCLK
CODEC_CLK
PUB_ADDRESS1_EN
PUB_ADDRESS2
CODEC_SSI_DI
CODEC_PWT
CODEC_SSI_BCLK
CODEC_MOSI
MIC_GROUND
INT_MIC
PUB_ADDRESS1
EXT_MIC
EXT_MIC_EN
/CODEC_RST
AUDIO_PA_EN
SPKR1-
SPKR1+
HANDSET_AUDIO
RX_AUDIO
PUB_ADDRESS_MIC_EN
TXAF_DI
Title
Size Document Number Rev
Date: Sheet
of
<Doc> <RevCode>
<Title>
C
114Monday, November 29, 2010
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
114Monday, November 29, 2010
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
114Monday, November 29, 2010
600mV
330mV
AUDIO
DESIGNER: LHY
R251
100
R251
100
R260
100
R260
100
L233
BLM18BD601SN1D
L233
BLM18BD601SN1D
R296
100K
R296
100K
C263
1u
C263
1u
D230 MMBZ20VD230 MMBZ20V
C250 220pC250 220p
R268
100K
R268
100K
C266
1u
C266
1u
TP4012TP4012
C256
100p
C256
100p
+
-
U235B
OPAMP
+
-
U235B
OPAMP
7
4 11
5
6
C262
1u
C262
1u
C269
220P
C269
220P
C236
0.1u
C236
0.1u
R257
30K
R257
30K
TP234TP234
1
R254NC R254NC
TP4016TP4016
R253 1RR253 1R
C242 220pC242 220p
C252 1uC252 1u
C267
0.1u
C267
0.1u
TP237TP237
1
U237
SWITCH IC
U237
SWITCH IC
B1
1
GND
2
B0
3
A
4
VCC
5
S
6
C254 220pC254 220p
Q234
UMC4N
Q234
UMC4N
1
2
3 4
5
C237
0.47u
C237
0.47u
C234
10uF/25V
C234
10uF/25V
C295
100p
C295
100p
R248 100KR248 100K
R283
30k
R283
30k
R246 22KR246 22K
R262 100KR262 100K
C264
1u
C264
1u
C243
0.1u
C243
0.1u
C272
220P
C272
220P
C245 220pC245 220p
R241
120K
R241
120K
R259 10KR259 10K
R272 47KR272 47K
R245 1RR245 1R
R237 120KR237 120K
C251 1uC251 1u
R263
30K
R263
30K
C276
1u
C276
1u
C255
1u
C255
1u
C277
1u
C277
1u
+
-
U235D
OPAMP
+
-
U235D
OPAMP
14
4 11
12
13
R291 1.2KR291 1.2K
+
-
U236C
OPAMP
+
-
U236C
OPAMP
8
4 11
10
9
L235
BLM18BD601SN1D
L235
BLM18BD601SN1D
C290 1uC290 1u
R278
100
R278
100
R265
1.8K
R265
1.8K
R233
0
R233
0
C298
1u
C298
1u
TP235TP235
1
C246
3900P
C246
3900P
R244 22KR244 22K
C239
0.1u
C239
0.1u
TP236TP236
1
R255
470
R255
470
Q231
UMC4N
Q231
UMC4N
1
2
3 4
5
R2801k R2801k
R292
33
R292
33
R275
100K
R275
100K
Q230
UMC4N
Q230
UMC4N
1
2
34
5
R294 1RR294 1R
R250 15KR250 15K
R266 47KR266 47K
C268 0.47uC268 0.47u
R271
100
R271
100
C260
0.01u
C260
0.01u
+
-
U235A
OPAMP
+
-
U235A
OPAMP
1
4 11
3
2
R235
10K
R235
10K
C285
0.1u
C285
0.1u
C248
0.1u
C248
0.1u
R25810K R25810K
C274
0.1u
C274
0.1u
TP233TP233
1
Q235
UMC4N
Q235
UMC4N
1
2
3 4
5
R230
0
R230
0
C258 0.1uC258 0.1u
R232
33
R232
33
R240 0R240 0
+
C520
10u/10v
+
C520
10u/10v
12
C273
220P
C273
220P
TP239TP239
1
C299
1u
C299
1u
R277
47K
R277
47K
+
-
U236B
OPAMP
+
-
U236B
OPAMP
7
4 11
5
6
C253 1u/25VC253 1u/25V
R270
47K
R270
47K
R284
15k
R284
15k
R236
10K
R236
10K
R243
0
R243
0
R242 0R242 0
+
C284
47uF/25V
+
C284
47uF/25V
12
+
C519
10u/10v
+
C519
10u/10v
12
C261
0.01u
C261
0.01u
R249
0
R249
0
R299 0R299 0
C249 1uC249 1u
-
+
+
-
B
A
A OUT
B OUT
A- A+
B+
B-
V+
V-
U238
OPAMP
-
+
+
-
B
A
A OUT
B OUT
A- A+
B+
B-
V+
V-
U238
OPAMP
1 2 3 4 5
6 7 8
R238
0
R238
0
C291
1u
C291
1u
R261
10K
R261
10K
R264 1KR264 1K
+
-
U235C
OPAMP
+
-
U235C
OPAMP
8
4 11
10
9
C235
0.01u
C235
0.01u
R276
100K
R276
100K
R247
100K
R247
100K
L232
BLM18PG300SN1
L232
BLM18PG300SN1
C238
1u
C238
1u
C232
0.1u
C232
0.1u
R285
15k
R285
15k
C247 220pC247 220p
C257
1u
C257
1u
C294
1uF
C294
1uF
C289
0.1u
C289
0.1u
TP4029TP4029
C265 220pC265 220p
D231 MMBZ20VD231 MMBZ20V
C200
1u
C200
1u
R234
10K
R234
10K
+
-
U236D
OPAMP
+
-
U236D
OPAMP
14
4 11
12
13
R273 24KR273 24K
C278
1u
C278
1u
C271
220P
C271
220P
Q232
UMC4N
Q232
UMC4N
1
2
3 4
5
R252 100KR252 100K
R231 33R231 33
C283
0.1u
C283
0.1u
R293 1RR293 1R
C292
NC
C292
NC
TP232TP232
1
R289 0R289 0
R279
30k
R279
30k
TP238TP238
1
U201
AUDIO PA
U201
AUDIO PA
GND
1
OUT1+
2
NC1
3
NC2
4
OUT1-
5
VCC
6
IN1
7
MUTE
8
STBY
9
GND
10
GND
11
NC3
12
SGND
13
IN2-
14
VCC
15
OUT2-
16
NC4
17
NC5
18
OUT2+
19
GND
20
R295 1KR295 1K
R239 5.6KR239 5.6K
C270
220P
C270
220P
C281
1u
C281
1u
C259
1u
C259
1u
C241 0C241 0
R274 100KR274 100K
L234
BLM18BD601SN1D
L234
BLM18BD601SN1D
+
-
U236A
OPAMP
+
-
U236A
OPAMP
1
4 11
3
2
C288
100p
C288
100p
R287 5.6KR287 5.6K
R290NC R290NC
R269
100K
R269
100K
C287
0.47u
C287
0.47u
R288 47KR288 47K
C233
0.1u
C233
0.1u
Q233
UMC4N
Q233
UMC4N
1 2 34
5
C280 220pC280 220pC279 1uC279 1u
C282
1u
C282
1u
+
C293
10uF/16V
+
C293
10uF/16V
12
BB IC
U231
BB IC
U231
IOVDD
1
PWR_DN
2
RESET
3
GPIO2
4
GPIO1
5
AVDD2
6
AVSS2
7
AVDD1
8
NC9
9
NC10
10
NC11
11
NC12
12
AVSS1
13
VREF
14
VBAT
15
AUX2
16
AUX1
17
BUZZ_IN/CP_INN
18
CP_OUTP
19
CP_INP
20
MICIN_HND
21
MICBIAS_HND
22
MICIN_HED
23
MICBIAS_HED
24
MIC_DET
25
OUT32N
26
SPK1
27
SPK2
28
DRVDD
29
SPKFC
30
VGND/CP_OUTN
31
DRVSS1
32
OUT8N
33
BVDD
34
OUT8P
35
DRVSS2
36
DAV
37
SS
38
MOSI
39
MISO
40
SCLK
41
MCLK
42
SDOUT
43
SDIN
44
WCLK
45
BCLK
46
DVDD
47
DVSS
48
T-PAD
49
C240
0.1u
C240
0.1u
RN230
100*4
RN230
100*4
1 2 3 45
6 7 8
+
C275
10uF/16V
+
C275
10uF/16V
12
+
C286
10u/25V
+
C286
10u/25V
12
R286 47KR286 47K
R202
10K
R202
10K
R267 1KR267 1K
18.6 Schematic Diagram
518
MD78X/MD78XG Schematic Diagram
(Audio Circuit)

Hytera DMR Specifications

General

Brand	Hytera
Model	DMR
Category	Radio
Language	English