MD-R3H
– 47 –
7
8
9
10
11
12
Figure 47 SCHEMATIC DIAGRAM (8/10)
D554
RL104A
D553
RL104A
D552
RL104A
D551
RL104A
CNP652
1
2
3
Q510
KRA102 S
R-CH
L-CH
C224
0.022
C518
100/16
C457
0.022
D651
MTZJ9.1B
R670
330
C667
0.1
Q653
KRC102 S
R669
2.7K
C529
1000/6.3
C528
1000/6.3
D507
RD5.6JS2
Q505
KRC102 S
D506
MTZJ7.5B
Q506
2SD2394 F
POSISTOR
R502
2.2
C503
4700/25
4700/25
C527
100/10
C203
47/10
R453
33K
C455
820P
C613
47/10
C614
47/10
R617
330
R618
330
F553
T1.0A 250V
D559
RL104A
D558
RL104A
D557
RL104A
D556
RL104A
R517
220
R518
220
D501
MTZJ6.8B
D517
RL104A
D516
1SS133
R516
220K
C520
0.001
D510
1SS133
D509
1SS133
CNP505
CNP502
T.F
LUG552
T551
POWER TRANSFORMER
C652
10/16
C651
10/16
R653
1K
R664
1K
R663
1K
R654
1K
C658
220/10
C657
220/10
C654
150P
C653
150P
R652
100K
R651
100K
R660
10
R659
10
R668
82
C660
100/10
R667
82
C659
100/10
IC651-1
NJM4560D
OPE AMP.
C656
27P
(CH)
R615
47K
CNP503
CNP504
C525
0.01
Q511
KRC102 S
POSISTOR
R551
8.2
D555
RL104A
33/50
C507
R504
33K
D502
MTZJ33B
Q501
KTA1266 GR
C505
10/50
R503
1.8K
C504
220/50
R526
680
POSISTOR
0.9
R522
R523
220
R524
33K
C521
220/10
POSISTOR
R519
0.9
100/10
C524
Q509
2SD468 C
D513
MTZJ5.6C
C523
220/10
Q508
2SD2394 F
D512
MTZJ8.2C
C522
100/10
C508
100/10
Q507
2SD2394 F
D511
RD9.1JS1
220/10
C506
R520
270
R511 0.8
POSISTOR
C616
100/10
R205
1K
Q503
2SD468 C
Q504
2SD2012 Y
C204
1/50
C456
820P
R454
33K
L451
0.22
µ
H
C519
0.022
R203
1M
C209
4.7/25
L202
10
µ
H
C207
100/10
C205
4.7/25
R616
47K
POSISTOR
R501
8.2
C502
4700/25
R619
10K
R620
10K
Q601
2SC2878 B
MUTE
Q602
2SC2878 B
MUTE
R614
100
R613
100
C615
100/10
R609
1K
R610
1K
R607
1K
R605
22K
R611
1.5K
R606
22K
1K
R608
R612
1.5K
C607
220P
C611
47P
(CH)
220P
C608
C612
47P
(CH)
R458
10K
R457
10K
Q451
2SC2878 B
MUTE
Q452
2SC2878 B
MUTE
C517
100/10
R512
470
D508
MTZJ27D
R514
100K
D504
MTZJ9.1B
D505
MTZJ6.8A
R507
680
C515
10/16
C516
10/16
C513
47/25
C514
10/16
R510
100
R509
820
1/50
C510
C509
47/25
C511
47/25
C512
1/50
R508
100
D503
MTZJ9.1B
R506
100
Q502
2SB562 C
R505
680
C501
1000/25
C453
470P
C460
470P
C459
470P
C452
47/10
C451
47/10
(MUSE)
R452
330
R451
330
R455
100
C454
470P
R456
100
LUG551
6
5
7
2
3
1
4
3
2
1
4
3
2
1
4
8
1
7
2
3
6
5
5 4 3 2 1
5 4 3 2 1
1
8
4
3
2
28
27
26
25
1
2
3
4
0V VSSA
1.6V VINL
3.3V VDDA
1.6V VREFA
GND
R-CH
L-CH
CH 9V
D-G
M-G
CH 5V
CH CLK
CH RDY
CH DATA
CH CMND
CD (FUNC)
CH CMND
CH CLK
CH RDY
CH DATA
C208
3.3/16
FIL 1
FIL 2
5V
U-CON GND
BACK UP 5V
CD 7.5V
C212
3.3/16
–31V
MD
K
-DATA
MD DSCK
DFS1
MD DSTB
–31V
C526
4700/25
4700/25
GND
(FIN)
IC651-2
NJM4560D
P.GND
CD 5V
S.GND
(FIN)
24
23
22
21
20
19
18
17
16
15
(FIN)
IC601-2
NJM4580
(1/2)
(2/2)
(2/2)
(1/2)
GND
VSSO 0V
VOUTL 1.6V
VDDO 3.3V
VREFD 1.6V
ER
IC601-1
NJM4580D
LINE AMP.
+B
3
2
1
When Servicing,pay attention as the area
enclosed by this line ( ) is directly
connected with AC main voltage.
+B
+B
+B
+B
+B
[ ]...MD EJECT
5.22V
[6.2V]
0.08V
0V
11.6V
0V<8.2V>
0V
<7.5V>
8.37V
11.5V
0V<5.0V>
0V<5.6V>
0V<7.5V>
–6.3V
(8.0V)
( )...MUTE ON
< >...CD FUNCTION
5.84V
[6.8V]
12.3V
4.58V
3.32V
8.25V
0V
11.6V
0.1V
–32V
–38V
–31V
0V
<11.6V>
11.6V
11.6V
8.96V
8.9V
12.1V
12.0V
5.83V
6.46V
8.2V
–13.0V
–8.8V
–8.2V
–6.3V
–3.4V
0V
7.9V
–7.9V
0V
0V
0V
0V
0V
7.8V
0.01V
0V
0V
0.01V
0V
0V
CNS502
B
MAIN PWB-A
+B
FC402
+B
+B
+B
P42 1 - D
TO CD CHANGER
PWB
P41 12 - B
TO CD SERVO
PWB
P45 9 - H
TO DISPLAY
PWB
P42 1 - B
TO CD CHANGER
PWB
CNS902
CNS504
CNS505
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
AC POWER
SUPPLY CORD
AC
+B
+B
+B
CNS652
P44 5 - A
TO DISPLAY PWB
J101
LINE OUT
( )...MUTE ON
–6.3V(0.6V)
–6.3V
(0.6V)
0V
0V
( )...MUTE ON
–6.3V
(0.6V)
0V
–6.3V(0.6V)
0V
+B
IC501
S81233YX
REGULATOR
C655
27P
(CH)
F552
T1.0A 250V
F551
T1.0A 250V
_
+
_
+
–B
+
–
–
+
–7.8V
(–)
–B
–B
–B