Akai CFTD2052, Руководство по обслуживанию

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A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
Q1006
DTA143EKA
MUTE SW
SPEAKER
SP1002
SG04H02CRA
SPEAKER
SP1001
SG04H02CRA
4
3
2
1
CD1001
CU147801
L1003
HF70T22*10*14
C1054
10 16V KANP
C1055
10 16V KANP
C1027
22 35V NA
C1022
22 35V NA
IC1002
LA4915-E
SOUND AMP IC
11
0
11
12
13
14 15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
3456
789
L1004 220uH
SBPSC
R1050
2.7
3W
R1053
1.8 3W
AUDIO SIGNAL
TUNER AUDIO SIGNAL
IC1001
AN5891SA-E1V
TONE CONTROL IC
1 10 11 12 13 14 15 16
17 18 19
2
20 21 22 23 24 25 26 27 28 29
3
30 31 32
4 5 6 7 8 9
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED :SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
CP1001 A2502WV2-4P
1
2
3
4
HS1001
763WSA0032
HS80
L1001
100uH 0305
AUDIO SIGNAL(PB)
W937
W824
Q1005
KTA1504S_Y_RTK
SW
Q1007
2SD1802S/T-TL-E
SW
Q1003
KTC3875S_Y_RTK
AUDIO MUTE SW
Q1002
KTC3875S_Y_RTK
AUDIO MUTE SW
Q1001
KTC3875S_Y_RTK
MUTE_SW
Q1008
KTC3875S_Y_RTK
MUTE_SW
D1002
21DQ09N
D1001
1SS133
C1066 0.1
B
C1067 0.1
B
C1040
0.22
B
C1060
0.047
B
C1048
0.22
B
C1038
100P
CH
C1016
0.01
B
C1015
0.033
B
C1014
0.039
B
C1013
0.015
B
C1018 0.1
B
C1045
1F
C1026 0.1
B
C1024
0.01
B
C1046 1F
C1029 0.01
B
C1042
1F
C1039
100P
CH
C1044 0.1
B
C1058
0.1 B
C1059
0.1 B
C1057 0.047
B
C1010
0.033
B
C1005_1
220P CH
C1004_1
220P CH
C1056 0.001
B
C1028
22
16V
KA
C1063
220 10V YK
C1065
220 10V YK
C1062
2.2 50V KA
C1001_1
47 16V KA
C1050_1
10 25V KA
C1049_1
47 16V KA
C1037_1
22 16V KA
C1036
2.2 50V KA
C1002
2.2 50V KA
C1003
2.2 50V KA
C1019
10
25V
KA
C1011
10
25V
KA
C1034
22
16V
KA
C1021
10
25V
KA
C1020
10
25V
KA
C1025 100
16V
YK
C1023
10
25V
KA
C1030
10
25V
KA
C1031
10
25V
KA
C1043
22 16V KA
C1047
22 16V KA
C1061
1000 16V MHE
C1041
10 25V KA
R1045
2.2
1/2W
R1028
3.9K
R1024
820
R1025 1.8K
R1040
10
R1039
10
R1042
2.2 1/2W
R1041
2.2 1/2W
R1043
2.2 1/2W
R1044
2.2
1/2W
R1007
2.7K 1/4W
R1008
2.7K 1/4W
R1023
120K
R1013
120K
R1006
120K
R1021
120K
R1027
39K 1/4W
R1014
100
R1011
220K
R1035
33K
R1030
12K
R1033
820
R1032
1.8K
R1029
3.9K
R1034
33K
R1005
33K
R1026
4.7K
R1036
4.7K
R1037
5.6K
R1004
33K
R1048
5.6K
R1049
10K
R1020
5.6K
R1022 1K
R1012
1K
R1051
10K
R1018
5.6K
R1047
10K
R1031
12K
R1019
1.5K
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
IC1004
NJM4580V(TE1) MIXER IC
1 2 3 4
5 6 7 8
PHONE_OUT_L
PHONE_OUT_R
P.CON+5V
SP_MUTE
SOUND+B
P.CON+9V
GND
SOUND_GND
AT+5V
A_MUTE
SCL
SDA
SW_A_OUT_L
SW_A_OUT_R
G-20 G-19
(AV PCB)
SOUND AMP SCHEMATIC DIAGRAM
16 OHM
16 OHM
FROM/TO IN/OUT
FROM TUNER/STEREO
FROM/TO MICON
FROM POWER
PCBD20
TMD611
PF1 AGC L IN
SURR AGC
+
L ONT VD BD LB LT PF3
SCL SDA R OUT NC TD BLD
Balance
/MUTE
Control
Volume 2.2K
+
+
RT RB BB
Tone
Control
NC
NC NC
NC NC
NC NC NC NC
NC NC GND PF4 PF2 NC NC
NC NC Vref R IN VCC control
MODE
4.5 1.4 4.4
0 0
4.5 4.5 4.5 0 4.5 4.5 0 0 2.0 3.1 4.5
0.8 8.9 4.4 4.5 0 0 4.5 4.5 4.5 2.0 2.0
0
0 4.5 4.9 4.9
4.8
4.5
0
12.4 6.2 6.2 6.2
+
-
VCC
A_GND
-
+
0 4.8 4.8 4.8
HP IN1
HP IN2
HP D.C
AMP S.B.
HP S.B.
D.C
DDL
ON TIME
IN2
PRE GND
PRE VCC
IN-VREF
IN1
POWER GND OUT1-
OUT1+
VCC
SW OUT
SW E
SW B
SW GND
OUT2+
OUT2-
POWER GND
HP OUT2
HP OUT1
SP GND
SP OUT R+
SP GND
SP OUT L+
0.1
0
0
0
0.1
0
0.1
NC
NC
0
3.7
3.2
0
0
3.7
2.4
0
7.9
3.0
3.4
8.2
4.1
4.1
8.21
8.21
8.9
8.4
12.0
8.1
8.1
8.9
0
7.3
7.3
0
3.1
3.1
8.9
11.0
8.1
30
31
32
33
5.0
4.0
0
0.1
0
0
5.0
5.0