Figure 7-121.Huf4017A Controller Audio Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

7-178
VCC2.85
U0202
MAX5452
1
EEPOT_2_CS* CS1
10
EEPOT_CS* CS2
2
EEPOT_U_D* U_D
9
EEPOT_INC* INC
Part Series
200
Programmable pre-amp stage
-9 dB to +14 dB
C0228
C0239
0.1uF
150pF
TP0201
VAG VCC2.85
R0235
10K
U0201-1
R0226
2 4
MC33204 C0206
9.3V_TX
1
MIC_A
36K
3 MIC_C
MIC_B
1uF
11
VAG
R0200
1K
R0236
MIC_PREAMP_OUT MIC_PREAMP_IN
7 dB Attenuation Stage
9.1K
C0223
4.7uF
R0204
560
C0234
MIC_HI*
MIC_HI
0.1uF
C0207
33pF
VCC2.85
U0208
NLAST4599
C0212
C0225
0.1uF
AUX_TX* 4 NC
AUX_TX
0.1uF
5
COM
C0242
AUX_MIC* 6
AUX_MIC
NO IN 1
MUX_AUX_TX
0.1uF
Figure 7-121. HUF4017A Controller Audio Schematic
May 25, 2005
C0201
Ground
0.1uF
4
W1
7
W2
5
AUDIO_GROUND
L1
6
L2
R0202 R0203
3.3K 1K
C0230 C0236
470pF 470pF
R0230
33K
C0231
220pF
MIC_F
Programmable pre-amp stage
-14 dB to +14 dB
C0205
R0229
68K
C0232
150pF
TP0202
470pF
C0235
VCC2.85
470pF
U0201-2
R0207
6 4 MC33204
R0228
7 MIC_E
MIC_D
7.5K
5
33K
11
VAG
1
TP0200
VCC2.85
U0209
NLAST4599
C0224
0.1uF
TP0205
4 NC
5
COM
6
IN
NO 1
MUX_TX
VCC2.85
U0203
NLAST4599
C0202
0.1uF
NC 4 AUX_TX_A
5
AUX_TX_B
COM
R0205
6
1 IN NO
47K
MUX_MICATTEN
Schematics, Component Location Diagrams, and Parts Lists: HUF4017A (700-800 MHz) Main Board
SC0002
SIGNAL_CONVERT
1 2
I1 I2
UNIVERSAL GROUND
VCC2.85
Anti-aliasing filter
VCC2.85
R0218
1K
U0201-3
9 4
MC33204
8
MIC_G
10 MIC_H
11
SAP_DCLK
C0237
220pF
R0227
SAP_RX
68K
SAP_FSYNC
CODEC_PWR_DOWN
MIC_I MIC_M
VCC2.85
R0209
VCC2.85 10K
R0206
NP
TP0203
U0201-4
100K
13 4
MC33204
C0203
14 MIC_L
MIC_J 12
MIC_K
11 0.1uF VCC2.85
C0233 C0238
220pF 220pF
R0219
1K
SAP_TX
RX_AUDIO_IN
VCC5
SPI_SCKA
EEPOT_3_CS*
SPI_MOSIA
U0206 C0210
0.1uF
LM1971
R0224
6
CLK
4
10K LOAD
5
DATA
1
VREFIN
VOLUME_IN 8 2 VOL_OUT
R0223
IN OUT
VAG
18K 3
4
U0207
C0211
LM7301
100pF
C0227
0.1uF
VCC2.85
R0221
10K
47K
AUDIO_PA_EN
47K
Q0200
R0225
MIC_N
10K
CODEC_OUT_A
VCC2.85
C0213
R0212
0.1uF
100K
C0204
VCC2.85
4.7uF
R0208
9
BCLKR
12
100K BCLKT
11
MCLK
CODEC_OUT
8 2
DR RO_NEG
7
R0216
FSR
10
U0200 100K
PDI
MC145483
14
FST
CODEC_OUT_B
4
PO_NEG
3 5
PI PO_POS
18 17
R0210 TI_NEG TG
19 13
TI_POS DT
16
C0240
100K HB
0.1uF
C0208
1 20
VAGREF VAG
1uF
VCC2.85
VAG
C0209
0.1uF
C0216
0.1uF
1 IN
MUX_RX
A+_FILT
TP0206
A+
C0215 SC0001
SIGNAL_CONVERT
0.1uF
2
VOL_OUT* 1 2
I1 I2
1
5
VCC5
AUDIO_PA_IN 9 4
INV OUT1
1
U0204
NINV
3 TDA1519C
RR
8 6
M_SS OUT2
C0217
SW_A+ 3300pF
C0220
10uF
R0222
R0220
10K
18K
TP0204
RX_FILT_AUDIO
CODEC_OUT_C
U0210
NLAST4599
C0226
NC 4
AUX_RX
AUX_RX*
0.1uF
5
COM
6
NO
R0231
0
C0214 C0221
0.1uF 10uF
SPKR+
SPKR-
C0243 C0244
6800pF 6800pF
MAEPF-27837-O
6881096C74-B