Pt580 F5 Schematic Diagram (Mmi Board_Audio) - Hytera PT580 Service Manual

1 2
3V3D
D
Q7104
2
SPK-
R7241
C7257
3V3D
Q7103
2
SPK+
R7240
C7256
C
AUDIO_PA_ON
B
INT_SPK+
C7217 C7215
R7259
C7216
A
INT_SPK-
1 2
3

PT580 F5 Schematic Diagram (MMI Board_Audio)

PT580 F5 MMI BOARD SCH. AUDIO
VBAT
L7212
R7206 R7205
VCC
C7203
L7211
C7222
C7223
C7204
C7201
7
IN-
8 15
IN+ VOUT+
14
VOUT+
13
VOUT+
C7202 6
SDb
5 12
SDd VOUT-
3 11
GAIN VOUT-
U7201
3V3D
R7208 R7209
R7213 R7207
3V3D
R7203
C7251
R7252
UP_MIC+
UP_MIC+
3V3D
R7257
R7258
L7210
B7203
2
2
1
1
L7209
D7205
D7204
3
4 5
RECEIVER
L7203
SPEAKER+
C7205
L7204
SPEAKER-
C7206
L7045
INT/EXT_AUDIO
C7252
R7204 C7014
UP_MIC-
UP_MIC-
C7253
3 12
CG BIAS
13
MICBIAS
C7254
6 8 MIC+_NOAGC
MICOUT MICIN
R7255
9 14
A/R TH
R7256
7 1
GND CT
C7255
U7251
3V3D U7211
1 5
Vin VOUT
2 4
C7011
GND Bypass
3
ON/OFF
C7012
R7011
INT_MIC+
4
GND GND
5
OUT IN
C7214
6
OUT IN
U7209
INT_MIC-
4 5
63
6
C7210
RECEIVER L7207
L7208
C7224 C7225
C7218
D7201 C7211
L7205
VCC C7207
C7208
U7215
B4
VCC NO2
NO1
A3
COM2
SPEAKER+ C3
COM1 NC2
A2
IN2 NC1
C2
IN1 GND
U7202
B4
VCC NO2
NO1
A3
COM2
SPEAKER- C3
COM1 NC2
A2
IN2 NC1
C2
IN1 GND
C7219
3V3D
U7210
L7206
B4
VCC NO2
R7009
NO1
A3
COM2
C3
COM1 NC2
R7251
A2
IN2 NC1
C2
IN1 GND
C7221
C7013
3
B7202
2 1
1
1 2
2
6
7 8
B7201
1
1
2
2
D
A4
C4 EXT_SPK+
EXT_SPK+
A1
C1 INT_SPK+
B1
C
A4
C4 EXT_SPK-
EXT_SPK-
A1
C1 INT_SPK-
B1
A4 EXT_MIC-
EXT_MIC-
C4 EXT_MIC+
EXT_MIC+
A1 INT_MIC-
B
C1 INT_MIC+
B1
A
7 8