Sharp MD-R3 Service Manual page 47

IC601-1
NJM4580D
LINE AMP.
R607
1K 0V
+ R617 C613
5
0.01V 330 47/10
C607
(1/2) 7
220P
C603
8
_
6
220P R605
7.8V
22K
0V R611
1.5K
R613
100
R609
C615
1K
100/10
C611
47P
(CH)
IC601-2
R608
NJM4580
1K
0V
C614
3 +
R618
0.01V 47/10
330
C608
1
(2/2)
220P
604
4
2 _
R606
20P –7.8V
22K R612
0V
1.5K
R614
100
R610 C616
1K
100/10
C612
47P
(CH)
C203
2
47/10
0
C212
3.3/16
C204
1/50
C205 L202
4.7/25 10 H
C207
100/10
6 5 4 3 2 1
0
ERTER
C208
3 24 25 26 27 28
3.3/16
C209
4.7/25
C516
10/16
C228
0.022
0V
C224
1
0.022
3
3.32V
IC501
S81233YX
REGULATOR
+B
Q505
0V
KRC102 S
4.58V
0.08V
C517
C518
100/10
100/10
5.84V R512
[ ]...MD EJECT
470
[6.8V]
R511 0.8
5.22V
POSISTOR
[6.2V]
+B 12.3V
Q506
2SD2394 F
3 14 15 16 17 18 19 20 21 22 23 24
FC402
1
E
Y PWB
7
( )...MUTE ON
Q601
R615
47K 2SC2878 B
+B MUTE
0V
–6.3V(0.6V)
R619
10K
–6.3V
(0.6V)
R620
10K
0V
R616
47K
R653 R663
1K 1K
–B
C651 C655
10/16 27P
(CH)
C653 R651
150P 100K
R652
C654
100K
150P
C656
C652
27P
10/16
(CH)
R664
R654
1K
1K IC651-2
NJM4560D
C659
100/10
+B
–B
POSISTOR
Q502
R501
2SB562 C
8.2
–8.2V
–13.0V
–B
R505
680
R506
–8.8V
100
C510 C509
D503 47/25
1/50
MTZJ9.1B
C511
D504
C512 47/25
MTZJ9.1B
C503
1/50
4700/25
R508
8.9V
100
R507
680
12.1V
+B
8.2V Q503
R502
2SD468 C
2.2
POSISTOR
C514
C513
C515 D505
10/16
47/25
10/16 MTZJ6.8A
R510
6.46V 100
R509
820
12.0V
2
5.83V
8.25V +B Q504
2SD2012 Y
(FIN)
+B
D517
RL104A
C528
1000/6.3
C507
Q501
33/50
KTA1266 GR
–31V
–31V
–38V
R504
33K
D502
MTZJ33B
GND
Q509
2SD468 C
+B 0V<5.0V>
0V<7.5V>
0V<5.6V>
D513
MTZJ5.6C
+B < >...CD FUNCTION
D509
1SS133
C520
0.001 +B
R514
100K
R516
D508
220K
MTZJ27D
+B
+B
C543 +B
+B
0.1
1 2 3 4 5 4 3 2 1 5 4 3 2 1
CNS502 CNS902 CNS504
P41 12 - B P45 9 - H P42 1 - D
TO CD SERVO TO DISPLAY TO CD CHANGER
PWB PWB PWB
8 9
Figure 47 SCHEMATIC DIAGRAM (8/10)
( )...MUTE ON
Q451
C451 R451
2SC2878 B
47/10
330
MUTE
–6.3V(0.6V)
C455
R453
820P
33K
R457
10K
–6.3V
(0.6V)
C456
R454
820P R458
33K
10K
R452
C452
330
47/10
IC651-1
NJM4560D
OPE AMP.
0V
+
5
0V
(1/2) 7
R659
C657
6 –
10
220/10
0V
0V
–
2
0V
(2/2) 1
0V C658 R660
3 + 4
10
220/10
8
R667 R668
C660
82 82
100/10
+B
( )...MUTE ON
D651
Q653
MTZJ9.1B
–3.4V KRC102 S
–6.3V
R670
330
C501
1000/25
D551
RL104A
+B
C502 D552
4700/25
RL104A
+B D555
RL104A
R551
8.2
POSISTOR
+B
D501
MTZJ6.8B
POSISTOR
Q507
R519
2SD2394 F
0.9
(FIN)
+B
–32V R503 8.37V 11.5V
R520
1.8K
C504 270
8.96V
220/50 C508
100/10
C505
220/10
10/50
C506
C545 D511
RD9.1JS1
0.022
Q508
0V
2SD2394 F
+B (FIN) <7.5V>
+B
11.6V
R526 0V
R523
0V<8.2V> <11.6V>
680
220
11.6V
Q510
C523 KRA102 S
C521
220/10 R524
220/10 11.6V
33K
0.1V 11.6V
2
3
C525
Q511
0.01
1
KRC102 S
+B
1 2 3 4
CNS505
P42 1 - B
TO CD CHANGER
PWB
10
– 47 –
R455
100
L-CH
0V
C459
470P
C453
470P
J101
L451
LINE OUT
0.22 H
C460
470P
C454
470P
0V
R-CH
Q452 R456
2SC2878 B 100
MUTE
L-CH P44 5 - A
1
GND
2 CNS652
R-CH
3
TO DISPLAY PWB
C667
0.1
R669
2.7K
(–)
–B
+B
GND
T551
POWER TRANSFORMER
F551
D554
1.0A
RL104A
D553
F552
T.F
RL104A
1.0A
+B
+B
D556
RL104A
D559
RL104A
D557 D558
RL104A RL104A
+B
F553
1.0A
MAIN PWB-A
11
MD-R3
AC POWER
SUPPLY CORD
AC120V, 60Hz
12