Figure 7-52. Hue4039A Controller Audio Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4039A (UHF Range 1) Main Board
1
EEPOT_2_CS*
10
EEPOT_CS*
EEPOT_U_D*
EEPOT_INC*
Programmable pre-amp stage
-9 dB to +14 dB
C0228
150pF
TP0201
VCC2.85
VAG
R0235
10K
R0226
2 4
9.3V_TX
1
MIC_A
36K U0201-1
3
MIC_B
11
VAG
R0200
1K
R0236
MIC_PREAMP_OUT MIC_PREAMP_IN
C0223 9.1K
4.7uF
R0204
560
C0234
MIC_HI*
MIC_HI
0.1uF
C0207
33pF
VCC2.85
U0208
C0225 0.1uF
4 NC
AUX_TX*
AUX_TX
5
COM
0.1uF
C0242
6
AUX_MIC*
AUX_MIC
NO IN 1
6815854H01-A
VCC2.85
C0201
3 0.1uF
4
VDD
CS1 W1
7
CS2 W2
U0202
2 5
U_D L1
9 6
INC L2
GND
8
R0202 R0203
3.3K 1K
Programmable pre-amp stage
-14 dB to +14 dB
C0205
C0239
0.1uF
TP0202
150pF
VCC2.85
C0206
R0207
6 4
MIC_C 7 MIC_E
MIC_D
U0201-2
1uF 7.5K
5
11
VAG
7 dB Attenuation Stage
TP0200
VCC2.85
C0224
2
VPOS
0.1uF
4 NC
U0209
5
COM
6
NO IN 1
MUX_TX
GND
3
VCC2.85
U0203
C0212 C0202
0.1uF 0.1uF
NC 4
AUX_TX_A
5 AUX_TX_B
COM
6
1 IN NO
MUX_AUX_TX MUX_MICATTEN R0205 47K
Ground
SC0002
1 2
I1 I2
UNIVERSAL GROUND
AUDIO_GROUND
Anti-aliasing filter
VCC2.85
C0230 C0236
470pF 470pF
U0201-3
9 4
8
MIC_G 10
MIC_H
11
R0230 33K
C0231 C0237
R0227
MIC_F 220pF 220pF
68K
CODEC_PWR_DOWN
MIC_I
R0229
68K
470pF
C0232
R0209
VCC2.85
10K
C0235 470pF
TP0203
13 4 C0203
14
R0228 U0201-4
MIC_J
12
MIC_K
MIC_L
11
0.1uF
33K
C0238
C0233
220pF 220pF
SAP_TX
RX_AUDIO_IN
VCC5
SPI_SCKA
EEPOT_3_CS*
TP0205
SPI_MOSIA
U0206
7
R0224
6
VDD
CLK
4
LOAD
0
5
DATA
1
VREFIN
VOLUME_IN
8
R0223
IN
GND
VAG 18K
NU
3
C0211
C0227
100pF
0.1uF
VCC2.85
R0221
10K
AUDIO_PA_EN
R0225
MIC_N
10K
CODEC_OUT_A
VCC2.85 VCC2.85
C0213
0.1uF
R0218 C0204
1K
VCC2.85
4.7uF
6
R0208
9
VDD
BCLKR
12
100K BCLKT
11
SAP_DCLK MCLK
8 2
CODEC_OUT
SAP_RX DR RO_NEG
7
SAP_FSYNC FSR
10 U0200
PDI
14
FST
4
CODEC_OUT_B
PO_NEG
3 5
MIC_M
PI PO_POS
VCC2.85
18 17
R0210 TI_NEG TG
19 13
TI_POS DT
16
100K
R0206 HB
1 20
VAGREF VAG
100K
VSS
NU
C0208 1uF
15
VAG
VCC2.85
C0209
0.1uF
R0219
1K
MUX_RX
C0210
0.1uF
TP0206
A+
VOL_OUT
2 SC0001
C0215
2
OUT
VOL_OUT*
1 2
3
I1 I2
U0207
1
0.1uF
4 5
VCC5
NU
AUDIO_PA_IN 9
INV
1
NINV
3
RR
8
M_SS
R0201
C0217
SW_A+
3300pF C0220
0
10uF
R0222
R0220
10K
Q0200
18K

Figure 7-52. HUE4039A Controller Audio Schematic

7-69
TP0204
R0212
100K
RX_FILT_AUDIO
R0216
100K
C0240
0.1uF
VCC2.85
CODEC_OUT_C
2
C0216
VPOS
C0226
NC 4
U0210
0.1uF
AUX_RX
5 0.1uF
COM
6
1 IN NO
GND
3
A+_FILT
R0231
2.7
C0214 C0221
0.1uF
10uF
7
VCC
4
OUT1 SPKR+
U0204
6
OUT2 SPKR-
C0243 C0244
6800pF
6800pF
June 15, 2005