Technics SA-DV290EE, Руководство по обслуживанию

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12 11 10 9 8 7 6 5 4 3 2 1
A
B
C
D
E
F
G
H
R922
10K
R921
10K
SA-DV290(EE,GN) OPERATION,MIC JACK CIRCUIT DIAGRAM
S904
(
PLA
Y
/
REC
)
FL901 (A2BB00000115)
1
7
5
4
6
3
2
T
S
S908
(INPUT
SELECT
OR
)
S907
(SET
)
S906
(TUNING
MODE
)
S905
(FM
AUT
O
/MONO
)
JK903
PHONES
3.5mm STEREO
R997
150
R996
150
D973
MA4030MT
A
C921
1000P
C922
35V33
C920
25V22
R944
2.2K
R912
4.7K
R911
3.3K
R910
2.2K
R909
1.8K
R916
1.5K
R915
1.2K
R914
1K
R913
820
R907
3.3K
R906
2.2K
R905
1.8K
R904
1.5K
R903
1.2K
R902
1K
R901
820
FL DISPLAY
1 6 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 53 54 2 5 7 9
W905
S901
(
/
)
C928
25V22
A
OPERATION CIRCUIT
C919
25V22
C927
25V22
C396
0.047
C923
0.1
C395 0.047
D974
MA165TA
C907 470P
C924
0.1
C904
0.01
R924
1K
C908 470P
R925
1K
S912
(TUNER
/
BAND)
S913
(DIGIT
AL
S.WOOFER
)
A B C D
E
F G H I J K L M N O P Q R S T U
X
W
V
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
S902
(CLOCK/
TIMER
)
S903
(-
DEMO
)
IC901
C2BBFD000404
SYSTEM CONTROL/
FL DRIVE
C
B
A
Q901
UN4212TA
RESET
R936
100
R919
15K
R991
47K
R918
10K
R928
47K
L902
1
H
D901
1SS291TA
L901
10
H
R951
330K
R952
10M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
R993 100K
D931
MA165T
A
D935
MA165T
A
R990 100K
C916
6.3V100
D951
LNJ301MPUJAD
(DIGIT
AL
S.WOOFER
)
R995
220
R986
1.5K
D306
SELS5223C
(
)
R939
1.5K
C905
1000P
C901
6.3V100
R935
100
R934
100
R988
1K
R937
10K
R987
1K
R926
2.2K
C912
0.1
R954
100K
C926
1000P
R960
1.5K
R958
1K
R999 100K
R959
47
R969
2.7K
D902
1SS291TA
C903
0.01
C902
10V1000
X902
(32.7kHz)
C91
1
18P
C910
20P
X901
(6MHz)
1
3
2
D905
1SS291T
A
E F I K L M N O Q
R940
1K
R929 1K
R930 1K
R932 1K
R931 1K
R976 100K
R956
1K
R957
1K
C915
0.01
C925
1000P
R953
100
A
B
C
D
G
H
J
C914
50V2.2
D904
MA165T
A
A
B
C
A B C D E F G H I J K L M N O P Q R S T U V W X
1
11
21
2
12
22
3
13
23
4
14
24
5
15
25
6
16
26
7
17
27
8
18
28
9
19
29
10
20
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
-VP
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
V
DD
4
P33
P34
P35
P36
P37
P38
REGIN0
REGIN1
8G
REMOCON
RDS DATA
RDS CLK
HP SW
MIC DET
VR JOGA
VR JOGB
NC(GND)
SH REQ
KEY KARAOKE
KEY TU
V
DD
1
XC OUT
XC IN
Vss
X OUT
X IN
RESET
AC IN
SEL/ TUNER
SEL TUNER
ST/ AV.6CH
LC72 CK
LC72 DI/ ST
LC72 CE
LC72 DO
CHECK
ST
AND-BY
TIMER S.W
.LED
LOUNGE CHORUS MUTE NC POWER Vss2 V
DD
2
MUTE2 NC MUTE3 SHCS SHDO SHDI SHCK E
DET
CR
TIMER
SD
V
DD
3
P12 P1
1
P10
P9 P8 P7 P6 P5 P4 P3 P2 P1
1G 2G 3G 4G 5G 6G 7G
R994
100K
U
R949
4.7K
R950
100
Y
D953
LNJ301MPUJAD
(MIC EFFECT CHORUS)
R998
220
R992
220
D952
LNJ301MPUJAD
(MIC
EFFECT
LOUNGE
)
S918
(MIC
EFFECT
CHORUS
)
S917
(MIC
EFFECT
LOUNGE
)
S916
(KEY
CON
)
1 2 3 4
W904B
MIC JACK CIRCUIT
IC401
TA2011S
MIC AMP
JK902
MIC2
6.3mm
MONAURAL
1
2
4
5
6
JK901
MIC1
6.3mm
MONAURAL
1
2
4
5
6
6 7 1 2 3 4 5
C403
4700P
Q401
2SC5398RSTA
MIC AMP
C406
25V4.7
R415
470
C413
50V1
R412
1M
C416
16V10
C412
1000P
C410
16V10
C41
1
100P
R41
1
330
R410
2.2K
R409
4.7K
C407
0.01
C409 50V1
C408
0.022
R406
470K
R407
4.7K
C405
1000P
R405
4.7K
C417 0.022
R404
470
C404
50V3.3
R402
680
R421
22K
C401
0.022
R403
22K
R401
680
L401
3.3
H
VR401
5K(B)
(MIC VOL)
W401
C421
0.1
G
1 2 3 4
C414
16V470
CN904
C415
50V1
R416
330
P
R
Y
R947
100K
R948 100K
For [GN] area.
D933
MA165T
A
For [EE] area.
For [GN] area.
D
E
For [GN] area.
S91
1
TUNING
,
,#
[GN]
TUNING
,
[EE]
S910
TUNING
,
,
[GN]
TUNING
,
[EE]
S909
(ECHO)
R908
4.7K
For [GN] area.
For [GN] area.
D954
SELS5923C
(
PLA
Y
/
REC
)
For [GN] area.
S914
KARAOKE
[GN]
RDS
DISP
MODE
PS
[EE]
S915
V
.MUTE
[GN]
RDS
DISP
MODE
PTY
[EE]
For
[GN]
area.
:AUDIO SIGNAL LINE : POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE
5.1V
5.1V
2V / 2ms.DIV.
5V
0V
5V
0V
T 10ms.
2V / 2ms.DIV.
0V
5V
-30.1V
-30.1V
-29.3V
-29.3V
-29.3V
-26.3V
-20.5V
-29.3V
-29.3V
-29.3V
-23.5V
-20.5V
-23.4V
-23.4V
-23.7V
-20.7V
-29.6V
-29.6V
-29.6V
-23.7V
-26.6V
-26.5V
5.1V
-29.5V
-29.5V
-26.5V
-17.2V
-5.3V
-10.3V
0.4V
0V
-
23.4V
-
20.5V
-
26.3V
-
26.3V
5.1V -
23.4V
-
20.5V
-
26.2V
-
29.2V
-
26.2V
-
26.2V
-
26.1V
-
26.3V
-
23.5V
-
23.5V
-
25.6V
-
27.5V
-
27.5V
-
25.5V
-
23.5V
-25.6V
5.1V
0V:GN
2.6V:EE
0.6V
5.1V
0V
0V
1.4V
5.1V
5.1V
5.1V
2.3V
2.3V
2.7V
1.6V
5V
2.2V
0V
5.1V
5.1V
4.6V
0V
0V
2.5V
0V
5V
0V
5.1V 3.3V 1.9V 1.9V 1.4V
0V
5.1V 5.1V 4.8V
0V 0V 0V 0V 0V 0V
FM / AM
-30V
4V
T 5.5ms.
0V
0V
4V
T 5.5ms.
-30V
FM / AM
3.3V
P-P
F=6MHz
FM / AM
4.2V
P-P
F=6MHz
FM / AM
5.2V
P-P
F=32.7kHz
FM / AM
5.2V
P-P
F=32.7kHz
FM / AM
2V
P-P
F=32.7kHz
FM / AM
:MIC SIGNAL LINE
1.3V 0V 1.9V 0.8V 5.2V
3.3V 1.8V
2.3V