7-30
Schematics, Component Location Diagrams, and Parts Lists:
HUD4022A (VHF) Main Board
June 15, 2005
6815854H01-A
Figure 7-22. HUD4022A Controller Audio Schematic
DNP
UNIVERSAL GROUND
AUDIO_GROUND
Ground
-14 dB to +14 dB
7 dB Attenuation Stage
Programmable pre-amp stage
Anti-aliasing filter
-9 dB to +14 dB
Programmable pre-amp stage
NP
DNP
73D02970C73-O
SHEET 4 OF 23
EEPOT_INC*
EEPOT_U_D*
MIC_D
MIC_E
MIC_C
MIC_B
MIC_HI
R0201
SAP_TX
SAP_DCLK
SAP_RX
SAP_FSYNC
CODEC_PWR_DOWN
CODEC_OUT_A
MIC_M
EEPOT_CS*
MIC_N
AUDIO_PA_IN
SPKR-
SPKR+
RX_AUDIO_IN
0
6800pF
R0231
2.7
6800pF
C0244
C0211
VCC5
C0243
U0207
5
2
1
100pF
6
CLK
LM1971
3
4
LM7301
U0206
1
1
VREFIN
7
VDD
2
OUT
4
LOAD
8
IN
3
GND
5
DATA
VCC5
TEST_POINT
TP0206
0
C0227
R0224
0.1uF
VAG
EEPOT_2_CS*
MIC_A
VOL_OUT*
EEPOT_3_CS*
AUDIO_PA_EN
SPI_MOSIA
VOLUME_IN
0.1uF
VOL_OUT
SPI_SCKA
U0204
MIC_L
CODEC_OUT_B
MIC_K
AUX_RX
RX_FILT_AUDIO
CODEC_OUT
MUX_RX
AUX_TX_A
CODEC_OUT_C
MUX_TX
AUX_RX*
MIC_PREAMP_OUT
MIC_HI*
MIC_H
MIC_G
MIC_F
MIC_J
MIC_I
MUX_AUX_TX
AUX_TX
MUX_MICATTEN
MIC_PREAMP_IN
AUX_TX_B
AUX_MIC*
AUX_TX*
AUX_MIC
C0215
1
NINV
8
M_SS
9
INV
GND4
11
10
GND3
GND2
5
2
GND1
TDA1519C
7
VCC
3
RR
6
OUT2
4
OUT1
0.1uF
C0201
C0220
1
10uF
3300pF
R0218
1K
SIGNAL_CONVERT
SC0002
C0217
I1
1
I2
2
0.1uF
10K
R0221
C0213
Q0200
R0220
MC33204
U0201
18K
C0239
VAG
0.1uF
A+
SW_A+
R0222
C0214
TP0201
TEST_POINT
1
GND
3
10K
MC145483
U0200
C0221
10uF
SC0001
A+_FILT
I2
2
I1
1
SIGNAL_CONVERT
0.1uF
VCC2.85
C0210
VCC2.85
TEST_POINT
1
TP0205
2
VPOS
18K
VCC2.85
0.1uF
C0224
0.1uF
C0212
R0223
VCC2.85
NLAST4599
U0208
VPOS
2
6
NO
4 NC
1
IN
GND
3
5
COM
R0205
47K
NO
6
NC 4
IN
U0203
NLAST4599
W2
7
0.1uF
C0225
0.1uF
C0226
VAG
0.1uF
C0242
1
TEST_POINT
TP0200
0.1uF
6
NO
VPOS
2
VCC2.85
COM
5
VCC2.85
C0202
C0216
0.1uF
R0206
100K
NLAST4599
U0210
5
COM
GND
3
1 IN
4
NC
5
COM
GND
3
1
IN
4 NC
6
NO
VPOS
2
20
VAG
1
VAGREF
6
VDD
15
VSS
NLAST4599
U0209
10
PDI
3
PI
4
PO_NEG
5
PO_POS
2
RO_NEG
17
TG
18
TI_NEG
19
TI_POS
9
BCLKR
12
BCLKT
8
DR
13
DT
7
FSR
14 FST
16
HB
11
MCLK
R0212
100K
1
R0216
100K
1
TEST_POINT
TP0202
R0236
9.1K
R0235
10K
C0240
0.1uF
0.1uF
C0238
220pF
C0237
220pF
C0236
470pF
470pF
C0235
470pF
C0232
68K
R0227
470pF
C0230
VCC2.85
VCC2.85
U0201
MC33204
13
12
14
4
11
220pF
C0233
220pF
C0231
33K
R0228
33K
R0230
68K
R0229
U0201
MC33204
9
10
8
4
11
0.1uF
C0234
36K
VCC2.85
C0228
R0226
10K
150pF
2
3
1
4
11
VAG
R0225
CS2
10
GND
8
INC
9
L1
5
6
L2
U_D
2
VDD
3
W1
4
U0202
MAX5452
CS1
1
0.1uF
R0209
10K
VCC2.85
VAG
C0203
VCC2.85
1K
R0219
TP0203
1
TP0204
1K
VCC2.85
R0203
C0204
4.7uF
560
R0204
3.3K
R0202
C0207
33pF
1uF
C0208
VCC2.85
VCC2.85
R0210
100K
100K
R0208
C0209
0.1uF
6
5
7
4
11
9.3V_TX
R0200
1K
U0201
MC33204
7.5K
150pF
C0205
VCC2.85
R0207
C0223
4.7uF
1uF
C0206
47K
47K
Содержание XTL 1500
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Страница 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Страница 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Страница 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Страница 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Страница 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
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