8-336
Schematics, Boards Overlays, and Parts Lists
: Expansion Boards
Figure 8-149. MHLN6977A/B and MHLN7035A Audio Controller Circuit
AUD_PA_IN_N
AUD_PA_IN_P
IN
IN
R2102
R2101
C2101
C2102
12.4K
AUD_PA_IN_P_1
1UF
1UF
12.4K
AUD_PA_IN_N_1
AUD_PA_IN_P_2
AUD_PA_IN_N_2
VCC_2.8
L2101
C2103
2.2UH
1UF
AUD_SE_BUFF_V2.8
A
INNEGA
INPOSA
INNEGB
INPOSB OUTB
OUTA
VPOS
VNEG
R2106
C2104
R2109
B1
B3
A1
C1
A3
C3
A2
C2
U2101
AUD_SE_BUFF_FB
LMC6035ITLX
12.4K
12.4K
1000PF
A
C2110
AUD_PA_BIAS
2.2UF
R2113
470K
C2105
1
TP2101
R2114
R2117
R2112
R2110
AUD_PA_SHUTDOWN
AUD_PA_IN_SE_3
AUD_PA_IN_SE_2
20K
10K
TEST_POINT
10K
AUD_PA_MUTE
.47UF
AUD_PA_IN_SE
AUD_PA_IN_SE_1
470K
IN
IN
VCC_2.8
VCC_2.8
SWB+
AUD_PA_SCLK
AUD_PA_SYNC
A
A
A
C2113
C2111
C2112
10UF
100PF
1UF
14
16
3
C2115
1UF
OUT_POS1
SYNCOUT
PVDD1
ADDR2
PVDD2
BOOT_POS
SDA_VOL
SCLK
SYNC
FB
IN
SHDN
MUTE
BIAS
ADDR1
GND1
GND2
PGND1
PGND2
EP
OUT_POS2
OUT_NEG1
OUT_NEG2
VDD
BOOT_NEG
12
19
5
20
8
7
10
23
24
22
21
11
9
25
A
A
DNP
VCC_2.8
C2119
R2122
R2121
L2103
C2117
C2116
22UH
0.1UF
0
0
1UF
0.1UF
AUD_PA_VOL
A
NC
MAX9768BETG
13
6
2
1
18
17
4
15
U2103
L2102
AUD_INT_SPKR_P
AUD_INT_SPKR_N
22UH
AUD_PA_BOOT_N
AUD_PA_BOOT_P
C2122
C2121
C2118
C2120
R2123
R2124
20
.33UF
20
AUD_INT_SPKR_FILT_P
.47UF
AUD_INT_SPKR_FILT_N
.47UF
1UF
A
A
A
OUT
OUT
DNP
DNP
NC
GND
VCC
VOUT
NC
VCC_2.8
0.1UF
2
4
C2123
STLM20
U2104
TP2102
TEST_POINT
1 1
3
VCC_2.8
R2104
R2103
20K
20K
AUD_SE_BUFF_BIAS
A
VEN
VIN
GND
VOUT
VSW_3.6
0.1UF
R2127
R2150
C2126
C2127
A2
A1
B1
U2105
R2108
10K
LP5900
10K
0
1UF
VCC_3.0
C2129
B2
C2128
470PF
1UF
IN
R2125
4.7K
MMC2_MPC
C2124
R2111
0.1UF
100K
VCC_3.0
C2125
4
1
3
2
Q2101
MMC2_CD_DET_V3.0
2.2UF
SI8401DB
A6
C2
G5
F5
G6
F6
D5
C7
E7
E6
C6
B6
F7
D6
B7
F3
U2102
SN74AVCA406
NC
NC
NC
NC
NC
NC
NC
NC
NC
B12
A13
B7
B8
B2_9
B2
B3
B4
B5
B6
A12
B11
B14
B1_9
B2_10
B1
GND4
A9
DIR_1
MODE1
DIR_2
DIR_3
DIR_4
DIR_9
CLK_A1_10
CS0
CS1
A7
A11
A1
A2
A3
DIR_56
DIR_78
MODE0
A8
VCCB1
A4
A5
A6
GND2
GND3
CLK_A2_10
CLK_B1_10
VCCA0
VCCA1
VCCB0
GND1
G7
A7
G1
A1
E5
C5
D4
E3
B1
A5
B5
D1
E1
D3
A3
C4
A4
B4
G4
E4
D7
C1
F2
F1
E2
G2
D2
B2
A2
F4
G3
B3
VCC_1.875
MMC2_CLK
IN
MMC2_CMD
IN
R2130
MMC2_CLK_FB
10
OUT
IN
IN
IO
IO
IO
IO
IN
MMC2_DAT1_DIR
MMC2_DAT0_DIR
MMC2_DAT2
MMC2_DAT3
MMC2_DAT1
MMC2_DAT0
MMC2_CMD_DIR
DNP
R2107
10K
MMC2_CS0
IN
DNP
VCC_1.875
10K
R2105
MMC2_CLK_FB_1
DNP
VCC_1.875
C2106
C2107
C2108
C2109
0.1UF
2.2UF
10UF
0.1UF
GND6
GND5
GND4
GND3
PIN2
PIN3
COMMON
PIN4
GND2
GND1
DETECT_SW
PIN7
PIN6
PIN5
PIN1
PIN8
G6
G5
G4
G3
G2
G1
7
6
5
J2101
8
4
3
2
1
9
10
CONN_J
MMC2_USD_DAT2
MMC2_USD_DAT3
C2114
R2126
10K
0.1UF
51K
R2115
R2116
R2118
R2119
R2120
51K
MMC2_USD_CLK
MMC2_USD_CMD
51K
10K
51K
MMC2_USD_DAT0
MMC2_USD_DAT1
Summary of Contents for ASTRO APX 7000
Page 1: ......
Page 4: ...iv Document History Notes ...
Page 24: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 98: ...3 74 Theory of Operation Global Positioning System GPS ...
Page 163: ...Troubleshooting Charts PA Failure 5 59 ...
Page 164: ...5 60 Troubleshooting Charts PA Failure ...
Page 276: ...7 58 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 318: ...8 42 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF 700 800 Notes ...
Page 380: ...8 104 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 700 800 MHz Notes ...
Page 432: ...8 156 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 VHF Notes ...
Page 458: ...8 182 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 UHF2 Notes ...
Page 498: ...8 222 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 700 800 MHz Notes ...
Page 546: ...8 270 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 VHF Notes ...
Page 606: ...8 330 Schematics Boards Overlays and Parts Lists VOCON Boards Notes ...
Page 638: ...Glossary 10 Glossary Notes ...
Page 643: ......