Service Manual

C4044
33UF
THIS IS FULL MUTE
MC33174
U6082
6
5
7
4V_AUDID_BIAS
C9554
10UF
C9558
0.1UF
R4057
10K
10K
R9590
R4014
220
R4003
10K
R4015
8V_AUDID_ISB
220
SW_A+
C4002
270PF
C9549
100NF
4V_AUDID_BIAS
R4007
10K
R4026
100K
20K
R4005
301K
1UF
C9542
330PF
R4021
1000PF
C4021
C4020
MC33174_PWR
U4003
13
12
14
4
11
5
Z1
3
1000PF
C4068
20K
R4083
HC4053-M_C
U6084
CL
6
CZ
9
Z
4
Z0
R4087
Q4000
3904L
2.7K
R9589
10K
3K
R4008
10UF
C4040
4V_AUDID_BIAS
4V_AUDID_BIAS
C4055
1UF
C4057
0.01UF
4V_AUDID_BIAS
C4056
680PF
R4067
2K
A+
R9580
20K
3.3K
R4401
C4062
1UF
1000PF
C4022
20K
R9578
3.3K
R4058
R4071
39K
330PF
C4052
1K
R4064
20K
R9581
1K
R9599
R4088
20K
R4063
10K
8V_AUDID_ISB
R4086
6.8K
R4012
Q4002
3904L
10K
20K
R4068
51K
R9587
3904L
Q9069
R9602
560
8.25K
R4011
10K
R4004
U4000
MC33174
6
5
7
VCC
R4022
27K
R4055
R4200
100K
39K
100K
R9532
R4030
2K
10K
R4049
R4061
20K
22UH
10K
R9586
4V_AUDID_BIAS
L4002
HC4053-M_PWR
U6084
CX
11
GND
8
VCC
16
VEE
7
X
14
X0
12
X1
13
20K
20K
R4033
R9577
U6085
HC4053-M
10
CY
15
Y
2
Y0
1
Y1
2K
R4009
R4051
4.7K
680PF
C9544
C9614
1000PF
C4064
8V_AUDID_ISB
0.39UF
270
R4060
10UF
C4045
27K
R4080
1000PF
C4008
3904L
Q9067
680PF
C4023
C4074
0.39UF
R4024
100K
C4004
1UF
100K
R4059
15UF
C4070
R9600
1K
C4058
1UF
22UH
L4001
12PF
C4060
9
10
8
C4007
1000PF
R9579
MC33174
U4003
MMBZ5254L
VR4000
20K
C4053
1UF
4V_AUDID_BIAS
4V_AUDID_BIAS
4V_AUDID_BIAS
SW_A+
SW_A+
1
MC33174
U6082
2
3
1
4V_AUDID_BIAS
4
OUT2
6
RR
3
VP
7
U4003
MC33174
2
3
TDA1519A
U4002
GND1
2
GND2
5
INV
9
M|SS
8
NINV
1
OUT1
R4047
10K
8V_AUDID_ISB
R4066
27K
R4019
20K
CY
10
Y
15
Y0
2
Y1
1
604
R9690
HC4053-M
U6084
R4037
2.7K
C4061
10UF
5.6K
R4016
R9698
0
10UF
C4043
SW_A+
U4000
9
10
8
C9531
1UF
3904L
8V_AUDID_ISB
150K
R4069
Q4004
R4020
OPTION
ENH
R9536
3.3K
1UF
C4012
10UF
C4054
C4042
100NF
20K
R4043
0.01UF
C4039
7
U4000
MC33174
2
3
1
U4003
6
5
C4071
1UF
1UF
C4017
C9543
680PF
R4076
OPTION
C4065
1000PF
6.8K
R4050
R4079
2K
10K
R4018
C9555
4.7UF
R4070
150K
R4074
10K
R9593
10K
10K
R4041
R9691
604
R4062
10K
12
14
VCC
4
11
150K
R9596
R4044
560
U4000
MC33174_PWR
13
R4075
270
C4009
1UF
R9601
560
0
R9697
R9592
10K
Q9066
8V_AUDID_ISB
R9538
270
4V_AUDID_BIAS
3904L
1000PF
C4066
0.1UF
R9591
10K
C9559
1000PF
C4047
5.11K
R9531
8V_AUDID_ISB
CR9070
MMBD914T
390PF
C4014
10UF
C9553
3904L
Q4003
39K
R4078
11
CX
8
GND
16
VCC
7
VEE
14
X
12
X0
13
X1
8V_AUDID_ISB
R4053
100K
U6085
HC4053-M_PWR
R4028
14.7K
R4017
6.8K
1UF
C4010
8V_AUDID_ISB
10K
R4082
100
R9576
27K
R9688
C4000
33NF
10K
R4065
20K
R4025
1 U|D_
14VB
16
VCC
12VH
9VL
13VW
10K
R9594
6 CS_
8
GND
4 INC_
2 NC1
3 NC2
5 NC3
7 NC4
15NC5
11NC6
10NC7
13
12
14
4
VCC
11
U6081
DS1666
MC33174_PWR
U6082
680PF
C4073
51K
R4077
17.8K
8V_AUDID_ISB
10K
R9676
R9675
C4011
1UF
R4052
10K
R4054
10K
270
R9537
R9559
C4035
1UF
R4085
1K
8V_AUDID_ISB
150K
8V_AUDID_ISB
8V_AUDID_ISB
27K
R4006
Q4001
3904L
4V_AUDID_BIAS
0.1UF
C9561
C9545
330PF
560
R4013
1500PF
C4015
C4300
100NF
C4038
C4018
0.01UF
U6098
MC78M08BDTRK
4
GND
1
VIN
3
VOUT
100NF
0.1UF
C9615
4.7UF
C4069
1UF
C4016
1UF
C4072
10K
R9588
R9603
560
100NF
C4067
R4073
10K
R4084
R4072
10K
C4013
150K
R9595
150K
3.3NF
U6082
MC33174
9
10
8
18
R4081
10K
R4056
SW_A+
12PF
100K
R9533
C4059
TDA_MUTE
AUDIO_C_P_SW
IN_AUDIO_C_P_SW
TDA_MUTE
R
X
_
A
U
D
I
O
_
O
U
T
R
X
_
A
U
D
I
O
_
I
N
ISB_EXT_AUDIO_SW
MIC_IN
RX_AUDIO+
U|D_
SPKR-
SPKR+
INC_
RX_AUDIO-
CS_
EXT_RX_DATA-
EXT_RX_AUDIO-
SQ_SW
IN_AUDIO_C_P_SW
EXT_ALARM _CONT
EXT_ALARM
EXT_RX_DATA+
PA_MUTE
EXT_RX_AUDIO+
T
X
_
A
U
D
I
O
_
O
U
T
T
X
_
A
U
D
I
O
_
I
N
EXT_AUDIO_SW
EXT_TX_AUDIO-
MIC
EXT_TX_AUDIO+
A-7/A-8
MM-E2072-09333-00
Figure A-1.C.LORDModule,SchematicCircuitDiagram
(Sheet3of15– AudioCircuits)