Technics RS-DV290EG Service Manual page 231

SCHEMATIC DIAGRAM-8
E
LOADING MOTOR CIRCUIT
: POSITIVE VOLTAGE LINE
: AUDIO SIGNAL LINE IC1
TA7291P
:SURROUND SP. SIGNAL LINE
MOTOR DRIVE
:CENTER SP. SIGNAL LINE
H :SUB WOOFER SIGNAL LINE
1 2 3
CLAMP SW
F 0.4V
CIRCUIT
C2
0.01
S4
(CLAMP)
RM1
W2
3 3
D (LOADING
MOTOR)
2 2
M
1 1
G
BOTTOM
G
SW CIRCUIT
S5
(BOTTOM)
W1
A
4 4
B
3 3
F 2 2 C 5.8V
1 1
C A
D1
Q1
GP1S94
RVTDTC143EST
(POSITION
SENSOR)
MOTOR DRIVE
E Ca
D OPERATION CIRCUIT
E
D608
SML79455C
( )
R612
A
180
B
D601 A
SELS5923C
B
(CINEMA)
R605
C
270
C D
D602
D
SELS5923C
R606
(DOUBLE RE-MASTER)
270
D
5V 0V
D603
18 17 16
(DISC5)
R607
220
E
D604
R608 (DISC4)
220
F
C
1 2 3
D605
R609
(DISC3)
0V 4.7V
220
G
E
D606 F
R610
(DISC2)
G
220
H H
I
D607
R611
(DISC1)
220
I
R623 R624 R625 R626
12K 6.8K 4.7K 3.3K
B
D603-607
LNJ301MPUJAD
R613 R614 R615 R616
22K 12K 6.8K 4.7K
A
1 2
C
4 5 6 7 8 9 10
7.8V 5V 5V 7.8V 7.8V 0.4V
PLUNGER
CN1 CN3
1 14
S2
(TRAY POSITION 2 DET.)
2 13
3 12
4 11
S1
R1
(TRAY POSITION 1 DET.)
5 10
1K
6 9
7 8
S3
(OP/ CL DET.)
8 7
9 6
10 5
11 4
12 3
0V
13 2
14 1
A B C D
5V
WB601
R603
1 1
100
2 2
R601 100
3 3
4 4
R604 100
5 5
R602 100
6 6
7 7
(0V) (4.7V)
4.7V 4.7V 0V 5V 5V 0V 0V 8 8
15 14 13 12 11 10
4 5 6 7 8 9
0V 4.7V 0V
IC601
NJU3713GTE1
LED DRIVE
R627 R628 R629 R630 R631
2.2K 1.8K 1.5K 1.2K 1K
R617 R618 R619 R620 R621 R622
3.3K 2.2K 1.8K 1.5K 1.2K 1K
(DIRECT OPEN)
3 4 5
MAIN CIRCUIT
Q304
2SB621ARSTA
PLUNGER DRIVE
0V 10V
10V
R307 R306
1K 10K
10V
0V
Q305
UN521NTX
PLUNGER DRIVE
D302 D303 D304
D302-304
RL1N4003N02
E
F G
G
H
H
I
J
Q
K
M
L
Q401
UN5214TX
RESET
4.9V
0V
X401
WA601
(8MHz)
3
B
2
C
1
A
D
S
R
21 20 19
PLAY
1.8V
P-P
F=8MHz
22 23 24
R446 R442
4.7K 1K
R443 R441
22K 1K
A B C
6 7 8
B
To MODULE CIRCUIT (FP4202)
on SCHEMATIC DIAGRAM-6/12-D,E
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN301
A B C D C D E F I O P N
Q307
DTC114EUA106
(0V)
MUTING CONT.
7.5V
0V (3.2V)
Q308
DTC114EUA106
MUTING CONT.
D307
MA111TX
(0V) 3.3V
5V
D402
MA111TX
D403 MA111TX D406
A B
PLAY
4.6V
0V
T 27ms.
0.9V
0.6V
Q402
R408
4.7K
C404
IC401
1000P
C2BBFD000402
SYSTEM CONTROL
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
PLAY
PLAY
1.7V
5V
P-P PLAY
5V
0V
T 27ms.
0V
F=8MHz
T 27ms.
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
D E F G H I J K L M N O P Q R S
SL-DV290(EE,GN) LOADING MOTOR,CLAMP SW,BOTTOM SW,OPERATION,MAIN CIRCUIT DIAGRAM
9 10
B
To MODULE CIRCUIT (FP3202)
on SCHEMATIC DIAGRAM-5/12-F,G
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN2
5V
5V
E F G H I J
(7.5V)
0V
R416
10K
K
MA111TX R414 220
L
R417 1K
M
N
R407
Q404 R419
47K
1K
1.5V
0.8V O
D404
MA111TX
Q402-404
2SD1819ATX
INTERFACE
P
0.7V
0V
Q403
R405
470
Q
PLAY
5V
0V
T 24ms.
PLAY
3.3V
0V
T 24ms.
R427
15K [EE]
6.8K [GN]
R428 10K
R451 10K
R436 4.7K
R420 4.7K
R421 47K
R422 4.7K
R423 4.7K
R424 4.7K
R425 10K
R426 10K
C408 470P
C409 470P
11 12