Albrecht CB Radio AE 6490 User manual

1
SERVICE MANUAL
CB Radio AE 6490
Downloaded from www.cbradio.nl

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
LCD10
LCD11
LCD12
LCD13
LCD14
LCD15
LCD31
LCD30
LCD29
LCD28
LCD27
LCD26
LCD25
LCD24
LCD18
LCD17
LCD16
LCD1 LCD2 LCD3 LCD4 LCD5 LCD6 LCD7 LCD8 LCD9
LCD10
LCD11
LCD12
LCD13
LCD14
LCD15
LCD23
LCD22
LCD21
LCD20
LCD19
LCD16
LCD17
LCD18
LCD19
LCD20
LCD21
LCD22
LCD23
LCD25
LCD26
LCD27
LCD28
LCD29
LCD30
LCD31
AK_STB
CH_UP
CH_DN
PLL_CLK
TX_OUT
AMUTE
TX_UNLOCK
MIC_IN
POP_MUTE
RSSI
SW_ON
KEYIN1
KEYIN2
KEYIN1
KEYIN2
TWO_COLOR
TWO_COLOR
DIM
VLC2 VLC1 VLC0
VLC0
VLC2
VLC1
MIC_UP_DOWN
MIC_UP_DOWN
PTT_IN
PTT_IN
AMUTE
MIC_IN
AK_CLK
AK_EN
XIN
FC
TX_UNLOCK
VLB_SW
TX_OUT
RSSI
SQ_IN
SP_GND
AM_1W
AM_FM
5V
BAND3
BAND2
CH_UP
CH_DN
9V
R.BEEP
XIN
SQ_IN
SP_GND
BAND1_UK_Fre
VLB_SW
9V
AK_CLK
AK_DET_OUT
AK_STB
AK_EN
PLL_DATA
PLL_DATA
PLL_EN
PLL_EN
PLL_CLK
DIM
ASQ_OUT
ASQ_OUT
TX_OUT
AM_1W
FC
BAND3
BAND2
R.BEEP
AM_FM
AK_DET_OUT
BAND1_UK_Fre
LCD24
SW_ON
LSQ_IN
LSQ_IN
POP_MUTE
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
Title
Size Document Number Rev
Date: Sheet of
AE6490 CPU MPA2
11Tuesday, April 06, 2010
Title
Size Document Number Rev
Date: Sheet of
AE6490 CPU MPA2
11Tuesday, April 06, 2010
Title
Size Document Number Rev
Date: Sheet of
AE6490 CPU MP
AE6490-CPU-Frontpanel-Circuit
A2
11Tuesday, April 06, 2010
AMEBER
BLUE
VLB ON: LOW
OPTION
LEVEL SQ: NOT USED
WIRE 2PIN CONNECTOR
ECO_0406
D504
2 LED
D504
2 LED
R522
51
R522
51
R501
10_3216
R501
10_3216
LCD501
SOP7909D
LCD501
SOP7909D
LCD1
1LCD2 2LCD3 3LCD4 4LCD5 5LCD6 6LCD7 7LCD8 8LCD9 9LCD10
10 LCD11 11 LCD12 12 LCD13 13 LCD14 14 LCD15 15 LCD16 16 LCD17 17 LCD18 18 LCD19 19 LCD20 20 LCD21 21 LCD22 22 LCD23 23 LCD24 24 LCD25 25 LCD26 26 LCD27 27 LCD28 28 LCD29 29 LCD30 30 LCD31 31
L504
0
L504
0
C527
NU
C527
NU
R503
100_3216
R503
100_3216
R524
100K
R524
100K
C526
470P
C526
470P
C518
20P
C518
20P
R525
10K
R525
10K
R537
NU
R537
NU
D509
FDZ5.1T1G.200mW
D509
FDZ5.1T1G.200mW
R509
4.7K
R509
4.7K
L501
NLV25T-680J-PF
L501
NLV25T-680J-PF
D506
KDS160
D506
KDS160
C505
104P
C505
104P
R513
4.7K
R513
4.7K
Q505
KRC102S
Q505
KRC102S
C522
102P
C522
102P
R533
1.8K
R533
1.8K
L505
0
L505
0
Q504
KRC102S
Q504
KRC102S
R527
330
R527
330
R534
3.9K
R534
3.9K
C530
0.047
C530
0.047
Q506
KTA1504Y
Q506
KTA1504Y
SW1
AMFM/MENU
SW1
AMFM/MENU
SW5
ASQ/CTCSS
SW5
ASQ/CTCSS
J502
VOL/SQ BOARD SOLDER
J502
VOL/SQ BOARD SOLDER
CH_UP 1
CH_DN 2
5V 3
9V 4
BAND3 5
BAND2 6
BAND1 7
R.BEEP 8
AM_1W 9
AM_FM 10
DI 11
CL 12
CE 13
Ground 14
R510
10K
R510
10K
R502
100_3216
R502
100_3216
J503
MAIN BOARD SOLDER
J503
MAIN BOARD SOLDER
ASQ 1
MIC_IN 2
SQ_IN 3
RSSI 4
TX_OUT 5
TO_DET 6
TONE_EN 7
XIN 8
CT_STB 9
TON_CLK 10
FC 11
TX_UN 12
AMUTE 13
SP_GND 14
VLB_SW 15
Ground 16
C521
223P
C521
223P
C520
102P
C520
102P
C514
47P
C514
47P
J503
2PIN CONNECTOR
J503
2PIN CONNECTOR
POP
2
LSQ
1
Q502
KRA101S
Q502
KRA101S
C504
102P
C504
102P
R519
10K
R519
10K
R538
2.2K
R538
2.2K
R515
100K
R515
100K
C525
223P
C525
223P
R526
220
R526
220
SW2
SCAN/MSCAN
SW2
SCAN/MSCAN
MIC501
SCN-16-6(R)
MIC501
SCN-16-6(R)
1
2
3
4
5
6
Q503
KRC102S
Q503
KRC102S
R506
10K
R506
10K
R535
10K
R535
10K
R528
100K
R528
100K
Q501
KRC101S
Q501
KRC101S
R523
NOT USED_675
R523
NOT USED_675
R511
10K
R511
10K
C529
0.047
C529
0.047
C524
223P
C524
223P
D502
2 LED
D502
2 LED
R517
NOT USED_240
R517
NOT USED_240
R508
2.2K
R508
2.2K
R530
100K
R530
100K
D507
KDS160
D507
KDS160
R507
18_3216
R507
18_3216
XT501
3.6864MHZ
XT501
3.6864MHZ
R512
CE
R512
CE
D505
2 LED
D505
2 LED
C502
102P
C502
102P
Q509
KRA101S
Q509
KRA101S
U501
S3C8249X
U501
S3C8249X
LCD23
73 LCD24
74 LCD25
75 LCD26
76 LCD27
77 LCD28
78 LCD29
79 LCD30
80
LCD22
72 LCD21
71 LCD20
70 LCD19
69 LCD18
68 LCD17
67 LCD16
66 LCD15
65 LCD14
64 LCD13
63 LCD12
62 LCD11
61
CH_DN 21
AK_DET_OUT 22
AM_1W 23
LSQ_IN 24
PTT_IN 25
SQ_IN_BUSY 26
VLB_SW 27
AM_FM 28
DIM 29
BAND3 30
TW0_COLOR 31
AMUTE 32
BAND2 33
BAND1_UK_Fre 34
TX_UNLOCK 35
RSSI 36
KEYIN1 37
KEYIN2 38
ASQ_OUT 39
M_U_D 40
VLB_OPTION 41
CH_OPTION 42
MIC_MUTE 43
AVref 44
AVss 45
CB 46 CA 47
VLC0 48 VLC1 49 VLC2 50
LCD1 51 LCD2 52 LCD3 53 LCD4 54 LCD5 55 LCD6 56 LCD7 57 LCD8 58 LCD9 59
LCD10 60
EEP_CK
7
EEP_PLL_DA
10
PLL_ENABLE
6
XIN
15
XTIN
17
LCD31
1
VSS
13
CH_UP
20
PLL_CLOCK
9
TX_OUT
11
TEST
16
R.BEEP
8
XOUT
14
XTOUT
18
NU
2
AK_STB
4AK_EN 5
VDD
12
RESET
19
AK_CLK
3
SW3
CH9/CH19
SW3
CH9/CH19
R505
100_3216
R505
100_3216
C503
102P
C503
102P
U502
CAT24C16
U502
CAT24C16
SDA 5 VSS
4SCL 6
NC1
1NC2
2WP
3VCLK 7
VCC 8
R529
220K
R529
220K
D508
FDS501
D508
FDS501
L503
0
L503
0
+
C515
1/16V(T)
+
C515
1/16V(T)
+
C513
10UF/10V(T)
+
C513
10UF/10V(T)
R516 10KR516 10K
C516
104P
C516
104P
R521
100K
R521
100K
C531
0.047
C531
0.047
C517
20P
C517
20P
R504
100_3216
R504
100_3216
C512
102P
C512
102P
D503
2 LED
D503
2 LED
Q507
KRC102S
Q507
KRC102S
D501
2 LED
D501
2 LED
L506
0
L506
0
R532
47K
R532
47K
C506
104P
C506
104P
C519
102P
C519
102P
C523
223P
C523
223P
C501
104P
C501
104P
R514
10K
R514
10K
R518 NUR518 NU
C528
NU
C528
NU
SW4
MEM/MEM SAVE
SW4
MEM/MEM SAVE
R531
100K
R531
100K
R520
4.7K
R520
4.7K

Albrecht AE 6490-12 V main board
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TX_UNLOCK
BAND3
BAND2
BAND1_UK_Fre
BAND2
9V
TX_OUT
5V
5V
PLL_EN
PLL_CLK
PLL_DATA
9V
VLB_FIN
VLB_PD
13.8V
SW_ON
5V
9V
AM_FM
VOL_OUT
BAND2
RF_GAIN
VLB_IF_IN
AK_EN
SP_GND
BAND3
MIC_IN
SQ_IN
RSSI
AM_1W
ASQ_OUT
AM_FM
VOL_IN
AMUTE
R.BEEP
POP_MUTE
XIN
AK_STB
AK_CLK
AK_DET_OUT
FC
9V
R.BEEP
AM_1W
AM_FM
VLB_SW
VLB_B+
VLB_RF_IN
VLB_B+
Q18
CH_UP
CH_DN
VOL_IN
VOL_OUT
RF_GAIN
SW_ON
13.8V
CH_UP
CH_DN
PLL_EN
PLL_CLK
PLL_DATA
AMUTE
MIC_IN
AK_CLK
AK_EN
XIN
FC
TX_UNLOCK
VLB_SW
TX_OUT
ASQ_OUT
RSSI
SQ_IN
SP_GND
AK_DET_OUT
AK_STB
R.BEEP
PLL_DATA
BAND1_UK_Fre
BAND1_UK_Fre
BAND1_UK_Fre
Q18
SQL
SQL
SQLB
SQLB
POP_MUTE
LSQ_IN
LSQ_IN
Title
Size Document Number Rev
Date: Sheet of
AE6490 RF MAIN MPA1
11Saturday, April 24, 2010
Title
Size Document Number Rev
Date: Sheet of
AE6490 RF MAIN MPA1
11Saturday, April 24, 2010
Title
Size Document Number Rev
Date: Sheet of
AE6490 RF MAIN MPA1
11Saturday, April 24, 2010
13.8V
AGC
FM:HIGH
ASQ:HIGH
BAND1 UK_Fre port control . 과이같은로 됨
UK:LOW CE:HIGH
SIGNAL YES: LOW SIGNAL NO:HIGH
-47dBm
NET
추가
MAX.1.85KHZ
MAX.82% AT CE
LEVEL SQ: NOT USE
LEVEL SQ: NOT USE
9CH,RX VCO TUNING IS 2.0V
LIB 3216
수정
R117
10K_1%
R117
10K_1%
R32 NUR32 NU
L9
19mm_Trans
L9
19mm_Trans
R96
NU
R96
NU
R14
68
R14
68
C43
5P
C43
5P
R148
47K
R148
47K
C16
18P
C16
18P
J5
VOL/SQ BOARD SOLDER
J5
VOL/SQ BOARD SOLDER
CH_UP 1
CH_DN 2
5V 3
9V 4
BAND3 5
BAND2 6
BAND1 7
R.BEEP 8
AM_1W 9
AM_FM 10
DI 11
CL 12
CE 13
Ground 14
R126
10K
R126
10K
C87
680P
C87
680P
C29
0.047
C29
0.047
L3
0.55*3.4*7.5T(R)
L3
0.55*3.4*7.5T(R)
Q32
KTB1366Y
Q32
KTB1366Y
D20
KDS226
D20
KDS226
3
1
2
C145
0.01
C145
0.01
C75
0.01
C75
0.01
+
C70
47UF/16V(E)
+
C70
47UF/16V(E)
D14
KDS160
D14
KDS160
Q35
KTA1505Y
Q35
KTA1505Y
R115
33K
R115
33K
+
C90
33UF/16V(E)
+
C90
33UF/16V(E)
+
C89
NU
+
C89
NU
R18
NU
R18
NU
R123
NU
R123
NU
C122
10P
C122
10P
R85
10K
R85
10K
R34
NU
R34
NU
D18
NU
D18
NU
C35
270P_2012
C35
270P_2012
R130
22K
R130
22K
R121
4.7K
R121
4.7K
T8
21420033
T8
21420033
14
36
2
C37
270P
C37
270P
R20
NU
R20
NU
R169
2.2K
R169
2.2K
R136
10K
R136
10K
C139
470P
C139
470P
R131
*
R131
*
C101
NU
C101
NU
R112
0 OHM
R112
0 OHM
Q2
KTC3880Y
Q2
KTC3880Y
R23
NU
R23
NU
C138
0.1
C138
0.1
C20
68P_3216
C20
68P_3216
R17
NU
R17
NU
Q4
2SC2078
Q4
2SC2078
Q41
KRC102S
Q41
KRC102S
IC1
LC7152NM
IC1
LC7152NM
Xin
1
CE
2
CL
3
DI
4
LDB/
5
LDA/
6
NC 7
TEST
8
PDA2
9
PDA1 10
AIA 11
AOA 12
OUT/A
13
PIA 14
VSS
15
PIB 16
VDD 17
NC 18
OUT/B
19
AOB 20
AIB 21
PDB1 22
PDB2
23
XOUT
24
C159
104P
C159
104P
Q39
NU
Q39
NU
C112
7P
C112
7P
R101
680_3216
R101
680_3216
R74
2.7K
R74
2.7K
JACK1
TH-35C
JACK1
TH-35C
1
2
3
T1
21420038
T1
21420038
3 4
1 6
2
C131
7P
C131
7P
C60
NU
C60
NU
R116
15K
R116
15K
C30
NU
C30
NU
+
C144
47UF/16V(E)
+
C144
47UF/16V(E)
C71
1UF_2012
C71
1UF_2012
+
C78
10UF/16V(E)
+
C78
10UF/16V(E)
Q45
KTC3880Y
Q45
KTC3880Y
R161
1M_ECO
R161
1M_ECO
D30
KDS160
D30
KDS160
+
C84
33UF/16V(E)
+
C84
33UF/16V(E)
R22
*220K
R22
*220K
C99
NU
C99
NU
R152
56K
R152
56K
R36
15K
R36
15K
C73
0.001
C73
0.001
R27
12K
R27
12K
R16
150K
R16
150K
Q5
2SC2314(F)
Q5
2SC2314(F)
D13
5.6V500mW
D13
5.6V500mW
C129
0.001
C129
0.001
U10C
14066_6
U10C
14066_6
4 3
5
R92
180_3216
R92
180_3216
Q25
KRC102S
Q25
KRC102S
C130
NU
C130
NU
D25
KDV251S-C
D25
KDV251S-C
T3
21420037,7BL-5312
T3
21420037,7BL-5312
3 4
1 6
2
R146
56K
R146
56K
R164
1.8K
R164
1.8K
R60
4.7_2W
R60
4.7_2W
R87
SHORT
R87
SHORT
+
C98
47UF/35V
+
C98
47UF/35V
C56
0.01
C56
0.01
IC4
MC3361D/UTC3361
IC4
MC3361D/UTC3361
OSC
1
OSC
2
Mix_0ut
3
VCC
4
Limiter_in
5
Dec
6
Dec
7
Quad
8Audio 9
Filter_in 10
Filter_out 11
SQ_IN 12
Scan 13
Mute 14 GND 15
Mixer_in 16
C80
0.33_2012
C80
0.33_2012
C147
100P
C147
100P
C50
NU
C50
NU
CT10
1UF
CT10
1UF
R41
10K
R41
10K
+
-
U4A
UTC4558
+
-
U4A
UTC4558
3
2
1
8 4
C134
100P
C134
100P
+
C160
47UF/16V(E)
+
C160
47UF/16V(E)
Q10
KTC3880Y
Q10
KTC3880Y
R97
10K
R97
10K
C88
0.01
C88
0.01
C65
0.1
C65
0.1
C28
390P_3216
C28
390P_3216
C157
0.01
C157
0.01
R56
100
R56
100
R64
10K
R64
10K
R89
3.3K
R89
3.3K
D22
KDR357
D22
KDR357
C156
0.01
C156
0.01
Q34
NU
Q34
NU
Q1
KTC3875Y
Q1
KTC3875Y
D6
1N5401
D6
1N5401
R162
12K
R162
12K
R155
330
R155
330
C12
NU
C12
NU
R26
47
R26
47
R25
4.7K
R25
4.7K
Q57
KTC3875(ALY)
Q57
KTC3875(ALY)
R143
2.2K
R143
2.2K
Q7
NU
Q7
NU
C46
150P
C46
150P
R153
1K
R153
1K
R78
100
R78
100
VR1
631H,5KB
VR1
631H,5KB
1 2
3
C119
6P
C119
6P
C85
0.001
C85
0.001
R21
68_2012
R21
68_2012
R33
100K
R33
100K
R114
47K
R114
47K
R69
10
R69
10
+
C59
470UF/16V(E)
+
C59
470UF/16V(E)
C903
330P_3216
C903
330P_3216
R7
1.5K
R7
1.5K
D29
9.1V
D29
9.1V
C137
0.1
C137
0.1
C94
0 OHM
C94
0 OHM
C32
27P
C32
27P
C97
NU
C97
NU
R65
390
R65
390
R61
1.8K
R61
1.8K
C42
330P
C42
330P C39
0.047
C39
0.047
R29
10K
R29
10K
L2
0.55*3.4*6.5T(R)
L2
0.55*3.4*6.5T(R)
JACK2
SPK_JACK
JACK2
SPK_JACK
SPK(+)
1
SPK(-)
2
R6
330_2012_ECO
R6
330_2012_ECO
R51K R51K
Q20
KRC102
Q20
KRC102
C13
560P(DISK)
C13
560P(DISK)
R70
33K
R70
33K
+
C58
330UF/16V(E)
+
C58
330UF/16V(E)
C103
0.01
C103
0.01
C150
0.001
C150
0.001
R47
NU
R47
NU
L10
1UH
L10
1UH
R159
47K
R159
47K
R91
2.7K
R91
2.7K
R150
47K
R150
47K
R108
100_2W
R108
100_2W
C901
100P_3216
C901
100P_3216
R111
10K
R111
10K
R104
NU
R104
NU
Q55
KTC3875
Q55
KTC3875
R2
NU
R2
NU
D23
KDR357
D23
KDR357
R110
2.2K
R110
2.2K
R160
150K
R160
150K
CT4
20P
CT4
20P
Q53
KRC110S
Q53
KRC110S
R165
22K
R165
22K
R66
27K
R66
27K
R9
NU
R9
NU
Q6
NU
Q6
NU
R156
2.2K
R156
2.2K
C74
0.068
C74
0.068
R94
680_3216
R94
680_3216
Q27
KTC3875Y
Q27
KTC3875Y
R129
150k
R129
150k
R37
5.6K
R37
5.6K
Q11
NU
Q11
NU
C115
0.01
C115
0.01
C44
0.01B
C44
0.01B
D26
KDV251S-C
D26
KDV251S-C
C111
5P
C111
5P
L1
0.45*2.3*6.5T(R) With M5Z BEAD+22220001
L1
0.45*2.3*6.5T(R) With M5Z BEAD+22220001
1 2
JP4
OPTION_P
JP4
OPTION_P
R53
10K
R53
10K
L902
0.7* 6.0 * 8T(R)
L902
0.7* 6.0 * 8T(R)
C22
47P
C22
47P
VR7
10KB
VR7
10KB
1 2
3
D21
KDS226
D21
KDS226
3
1 2
R142
100K
R142
100K
+
CT9
1UF/16V(E)
+
CT9
1UF/16V(E)
Q12
KTC3880Y
Q12
KTC3880Y
R95
NU
R95
NU
D11
KDS181
D11
KDS181
3
1 2
R140
NU
R140
NU
C104
0.1
C104
0.1
C83
0.1
C83
0.1
U10D
14066_6
U10D
14066_6
89
6
C82
0.1
C82
0.1
R170
2.2K
R170
2.2K
R24
120_1/2W
R24
120_1/2W
TP3
TX_B+
TP3
TX_B+
1
C133
2P
C133
2P
R77
1K
R77
1K
R172
NU
R172
NU
R71
820K
R71
820K
C116
0.0022
C116
0.0022
C2
NU
C2
NU
C154
0.033
C154
0.033
TP4
PD
TP4
PD
1
C18
0.047_2012
C18
0.047_2012
R63
22K
R63
22K
Q40A
0
Q40A
0
R139
100
R139
100
VR5
50KB_ASQ
VR5
50KB_ASQ
1 2
3
+
-
U4B
UTC4558
+
-
U4B
UTC4558
5
6
7
84
R157
220
R157
220
R30
22K
R30
22K
R109
10K
R109
10K
TP1
DRIVER
TP1
DRIVER
1
Q8
KTC3880Y
Q8
KTC3880Y
Q56
KTC3876
Q56
KTC3876
C105
33P
C105
33P
C904
100P
C904
100P
C25
270P_3216
C25
270P_3216
+
CT2 NU
+
CT2 NU
R107
220_3216
R107
220_3216
C53
0.01
C53
0.01
C15
100P_3216
C15
100P_3216
TP10
LSQ_IN
TP10
LSQ_IN
1
R133
150K
R133
150K
TP5
CB_FIN
TP5
CB_FIN
1
R58
1K
R58
1K
C23
47P_3216
C23
47P_3216
R15
2.2K
R15
2.2K
XT2
10.245MHZ
XT2
10.245MHZ
C126
0.01
C126
0.01
R173
2.2K
R173
2.2K
TP7
9V
TP7
9V
1
Q23
KTC3875
Q23
KTC3875
R98
15K
R98
15K
R44
47K
R44
47K
C96
0.01
C96
0.01
D1
NU
D1
NU
R132
150
R132
150
+
CT6
1UF/16V(E)
+
CT6
1UF/16V(E)
C47
0.022_3216
C47
0.022_3216
R3
56
R3
56
Q17
KTB1366
Q17
KTB1366
TP9
POP_MUTE
TP9
POP_MUTE
1
C62
0.0047
C62
0.0047
C153
0.015
C153
0.015
R151
47K
R151
47K
Q43
KRC102S
Q43
KRC102S
L5
0.55*3.4*9.5T(R)
L5
0.55*3.4*9.5T(R)
R55
4.7K
R55
4.7K
C48
0.022_3216
C48
0.022_3216
C102
0.1
C102
0.1
D24
KDV251S-C
D24
KDV251S-C
C11
NU
C11
NU
R125
47
R125
47
C64
0.022
C64
0.022
VR6
631H,100KB
VR6
631H,100KB
1 2
3
R166
22K_10KBSQ
R166
22K_10KBSQ
XT1
12.8MHz
XT1
12.8MHz
L7
0.8*4*6T(R)
L7
0.8*4*6T(R)
R145
8.2K
R145
8.2K
C121
0.1
C121
0.1
C38
0.047B
C38
0.047B
VR3
631H,2KB_ECO
VR3
631H,2KB_ECO
1 2
3
C132
120P
C132
120P
L11
1UH
L11
1UH
R124
100K
R124
100K
C136
180P
C136
180P
T2
21420038
T2
21420038
1 4
3 6
2
D28
KDS160
D28
KDS160
VR4
500_OHM
VR4
500_OHM
1 2
3
R38
10K
R38
10K
ANT3
OUT
ANT3
OUT
1
2
C902
39P_3216
C902
39P_3216
R4
47K
R4
47K
Q22
KRC102
Q22
KRC102
T10
R5
T10
R5
14
36
2
R67
100K
R67
100K
C146
0.047
C146
0.047
C81
0.33_2012
C81
0.33_2012
J2
CON1_19
J2
CON1_19
+
-
R45
NU
R45
NU
R88
47K
R88
47K
R158
68K
R158
68K
C77
150P
C77
150P
Q50
KTC3875Y
Q50
KTC3875Y
C9
56P
C9
56P
C123
0.01
C123
0.01
TP6
CB_FIN
TP6
CB_FIN
1
T5
28MM NEW
T5
28MM NEW
2 3
1 4
C19
36P
C19
36P
R128
1K
R128
1K
C61
30P
C61
30P
C5
560P_3216
C5
560P_3216
C21
NU
C21
NU
C1
NU
C1
NU
C151
68P
C151
68P
L901
0.7* 6.0 * 8T(R)
L901
0.7* 6.0 * 8T(R)
C33
180P_2012
C33
180P_2012
R43
22_5W
R43
22_5W
Q3
KTC3880Y
Q3
KTC3880Y
C143
0.01
C143
0.01
C125
0.01
C125
0.01
C128
0.01
C128
0.01
L4
0.55*3.4*7.5T(R)
L4
0.55*3.4*7.5T(R)
R13
47K
R13
47K
R168
2.2K
R168
2.2K
R75
10K
R75
10K
R79
10_2012
R79
10_2012
R49
NU
R49
NU
C113
0.001
C113
0.001
C68
0.0047
C68
0.0047
Q29
KTA1504S
Q29
KTA1504S
2
13
R103
NU
R103
NU
Q36
KTC3876
Q36
KTC3876
R100
2.2K
R100
2.2K
R93
10K_3216
R93
10K_3216
T6
21420036
T6
21420036
14
36
2
C114
0.01
C114
0.01
C148
0.022
C148
0.022
U10A
14066_6
U10A
14066_6
12
13
147
Q31
KRC102
Q31
KRC102
D5
KDV251S-C
D5
KDV251S-C
C117
0.001
C117
0.001
R147
22K
R147
22K
C140 22P C140 22P
C7
0.047
C7
0.047
Q46
KTC3880Y
Q46
KTC3880Y
Q26
KRC102
Q26
KRC102
R163
270
R163
270
C66
0.022
C66
0.022
+ C52
1000/25V(E)
+ C52
1000/25V(E)
R81
820
R81
820
Q21
NU
Q21
NU
R127
100
R127
100
Q28
KRC102_NU
Q28
KRC102_NU
C57
0.0047
C57
0.0047
Q40
NU
Q40
NU
C8
NU
C8
NU
D3
KDV251S-C
D3
KDV251S-C
R76
10K
R76
10K
R171
2.2K
R171
2.2K
C905
10P
C905
10P
D10
KDS114
D10
KDS114
R167
1.5K
R167
1.5K
Q33
KTC3875Y
Q33
KTC3875Y
R154
33K
R154
33K
ZD1
FDZ3.0T1G.200mW
ZD1
FDZ3.0T1G.200mW
C14
NU
C14
NU
C124
0.1
C124
0.1
R90
3.3K
R90
3.3K
R1
NU
R1
NU
R113
10K
R113
10K
C17
0.01
C17
0.01
C36
5P
C36
5P
R135
47
R135
47
Q49
NU
Q49
NU
Q52
KRC110S
Q52
KRC110S
R82
NU
R82
NU
+
C76
4.7UF/16V(E)
+
C76
4.7UF/16V(E)
T11
R6
T11
R6
14
36
2
+
CT1 1UF/50V(E)
+
CT1 1UF/50V(E)
C31
NU
C31
NU
TP2
CB_FIN
TP2
CB_FIN
1
R52
NU
R52
NU
C110
0.1
C110
0.1
+
CT5
22UF/16V(E)
+
CT5
22UF/16V(E)
C51
0.01B
C51
0.01B
R46
1K_3216
R46
1K_3216
R40
2.2K
R40
2.2K
CT3
20PF
CT3
20PF
D19
NU
D19
NU
D9
KDS114
D9
KDS114
R10
6.8_3216
R10
6.8_3216
C120
NU
C120
NU
D7
1N5401
D7
1N5401
Q37
NU
Q37
NU
L12
LLQ201256NH
L12
LLQ201256NH
C49A
0.068_Mylar
C49A
0.068_Mylar
C10
150P
C10
150P
D12
NU
D12
NU
C142
1UF
C142
1UF R149 47K
R149
47K
CT11
NU
CT11
NU
C92
0.01
C92
0.01
+
CT7
220F/16V(E) +
CT7
220F/16V(E)
+
C93
1UF/16V(E)
+
C93
1UF/16V(E)
Q44
KTC3880Y
Q44
KTC3880Y
R54
22K
R54
22K
R50
15K
R50
15K
R119
470
R119
470
JP6
OPTION_P
JP6
OPTION_P
R118
4.7K
R118
4.7K
J4
MAIN BOARD SOLDER
J4
MAIN BOARD SOLDER
ASQ 1
MIC_IN 2
SQ_IN 3
RSSI 4
TX_OUT 5
TO_DET 6
TONE_EN 7
XIN 8
CT_STB 9
TON_CLK 10
FC 11
TX_UN 12
AMUTE 13
SP_GND 14
VLB_SW 15
Ground 16
C24
68P_2012
C24
68P_2012
T9
21420031
T9
21420031
36
14
2
+
C6
4.7UF/16V(E)
+
C6
4.7UF/16V(E)
C45
103P
C45
103P
C27
270P_3216
C27
270P_3216
R138
2.2K
R138
2.2K
R28
1K
R28
1K
Q15
KTC3875Y
Q15
KTC3875Y
R59
2.2
R59
2.2
C141
0.01
C141
0.01
R105
NU
R105
NU
R11
NU
R11
NU
R57
2.2K
R57
2.2K
+
C149
4.7UF/16V(E)
+
C149
4.7UF/16V(E)
C107
12P
C107
12P
R19
47
R19
47
Q13
KTC3875Y
Q13
KTC3875Y
Q16
KRA101S
Q16
KRA101S
R120
1.5M
R120
1.5M
R73
300_NU
R73
300_NU
T7
21420035
T7
21420035
1 4
3 6
2
Q9
NU
Q9
NU L8
0.5T*3*9T
L8
0.5T*3*9T
C109
680P
C109
680P
D16
KDS226
D16
KDS226
3
1 2
R102
120K
R102
120K
T4
21420029,7BL-N5305
T4
21420029,7BL-N5305
1 4
3 6
2
IC2
KIA78L05F
IC2
KIA78L05F
Out
Gnd
In
R72
330
R72
330
R62
470K
R62
470K
C40
10P
C40
10P
C91
0.01
C91
0.01
R99
6.8K
R99
6.8K
C49
NU
C49
NU
R137
1K
R137
1K C118
0.01
C118
0.01
D15
NU
D15
NU
Q48
KRC110S
Q48
KRC110S
Q38
KRC102S
Q38
KRC102S
R48
100_1/2W
R48
100_1/2W
C4
3P
C4
3P
D2
NU
D2
NU
Q19
KRC102S
Q19
KRC102S
C67
0.0047
C67
0.0047
Q51
KTC3875Y
Q51
KTC3875Y
C63
0.01
C63
0.01
D17
KDS181
D17
KDS181
3
1 2
TP8
FMB+
TP8
FMB+
1
+
C69
10UF/16V(E)
+
C69
10UF/16V(E)
R12
220K
R12
220K
C108
470P
C108
470P
R86
2.2K
R86
2.2K
R106
3.3K
R106
3.3K
R80
47K
R80
47K
U1
TDA2003
U1
TDA2003
3
4
2
5
1
C41
NU
C41
NU
U10B
14066_6
U10B
14066_6
1110
12
XF1
10.7M7.5B
XF1
10.7M7.5B
VR2
631H,10KB
VR2
631H,10KB
12
3
R68
5.6K
R68
5.6K
Q47
KTC3875Y
Q47
KTC3875Y
J1
SQ_MIC GAN
J1
SQ_MIC GAN
CH_UP
1
CH_DN
2
SQ_VOL
3
MIC_G_IN
4
FC
5
MIC_G_OUT
6
GND
7
R31
10
R31
10D4
NU
D4
NU
C100
NU
C100
NU
Q24
KRA101S
Q24
KRA101S
C55
0.022
C55
0.022
C34
820P_2012
C34
820P_2012
L6
6.8uH_3216
L6
6.8uH_3216
C155
0.01
C155
0.01
C54
*0.022
C54
*0.022
C26
120P_3216
C26
120P_3216
CT8
0.001
CT8
0.001
J6
VOL_BOARD_SOLDER
J6
VOL_BOARD_SOLDER
GND 1
VOL_IN 2
VOL_OUT 3
SW_ON 4
13.8V 5
RF_GAIN 6
Q18
NU
Q18
NU
C3
NU
C3
NU
C158
103P
C158
103P
JP5
OPTION_P
JP5
OPTION_P
CF1
CFW455HT
CF1
CFW455HT
Out
B+
In
C95
0.01
C95
0.01
Q14
NU
Q14
NU
+
C72
33UF/16V(E)
+
C72
33UF/16V(E)
Q54
KTC3875
Q54
KTC3875
R39
2.2K
R39
2.2K
R8
10K
R8
10K
R35
330
R35
330
+
C106
3.3UF/16V(E)
+
C106
3.3UF/16V(E)
R144
47K
R144
47K
R122
NU
R122
NU
R42
10K
R42
10K
C135
0.1
C135
0.1
+
C79
47UF/16V(E)
+
C79
47UF/16V(E)
XF2
10.7M7.5B
XF2
10.7M7.5B
R51
2.2K
R51
2.2K
C152
0.1
C152
0.1
R134
2.2K
R134
2.2K
R141
0 ohm
R141
0 ohm
MODULE1
NU
MODULE1
NU
RX_TONE_IN
1
TONE_EN
2
TONE_TX_OUT
3
GND
4
5V
5XIN 6
STB 7
DATA 8
TONE_CLK 9
TONE_DET_OUT 10
C127
5P
C127
5P
+
C86
1000/25V(E)
+
C86
1000/25V(E)
Q30
KTA1241Y
Q30
KTA1241Y

ÄnderungsanweisungfürAE6490/91‐fallsnebeneinanderstehendeLKWsichnichtinAMhörenkönnen
FollowingcapacitorchangecansolvestrongsignalbehaviourproblemsinAM
FolgendeKondensatoränderungbeseitigtdasbeiAMEmpfangfeststellbareGroßsignalproblem.
1.Modification
Description Location Original Addorchange‐Hinzufügen
ChipCeramic C127 5PF 180PF
ChipCeramic C107 12PF changeto6pforkeepvalueasitis‐auf6pFändernoderWertunverändertlassen
2.Location
ButTheC127postionisnoteasymodifybecauseThesolderironcan'ttouchit.
Sowearechangeofmodify,AddChipceramic180PFfromC107toGround.
DamanschlechtanC127lötenkann,ist isteseinfacher,180pFzusätzlichangezeigterStelleeinzulöten.
3.Measurementresult.
Testinputcondition:AM60%,RFoutput=0dBm,measurementchannelfrequency.
Before)After)
4.Circuit.