Service manual
CD-MD3000H/CD-MD3000W
– 64 –
Figure 64 SCHEMATIC DIAGRAM (11/16)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
CD-MD3000H
13
12
11
9
10
2
3
2
3
1
1
C844
3.3/50
C223
10/50
C224
10/50
RP803
0.7
C811
0.001
LED801
K5052UL
R836
270
RP807
0.7
C801
0.022
R802
6.2K
C802
0.022
R804
4.7K
IC803
NJM431L
VOLTAGE
REGULATOR
Q801
2SD2012
Q803
KTC3199 GR
R808
220
RP801
FR252
100
Fusible
CNP807
FR213 100
Fusible
FR214
100
Fusible
R830
100
CNP805
C209
100/50
R813
1.5K
C821
100/25
C820
0.047
(ML)
C822
10/50
R809
22K
C818
6800/16
R803
22K
R821
470
C838
220/16
Q810
KTC3199 GR
DZ804
MTZJ10B
R822
1.5K
C840
0.022
C837
0.022
Q809
2SD2012
C839
100/16
R820
470
R807
22K
C815
0.1
C814
47/25
C816
0.1
C817
6800/25
Q805
KTC2026
C807
0.047
(ML)
R806
22K
C810
22/50
C230
0.15
C229
0.15
C221
0.015(ML)
C222
0.015(ML)
C213 0.022
C217
100P(CH)
C211
0.15(ML)
C212
0.15(ML)
C207
0.15
CNP806
DZ803
MTZJ9.1B
Q806
KTA1046 Y
C819
470/25
C238
100/50
R215
22K
R244
1K
C232
0.0015
R246
820
C234
1/50
C236
15P
R248
56K
R250
1K
R256
0.1(1W)
C240
0.022
R258
10K
R260
1K
2
Q204
KTC3199 GR
R261
56K
R230
0.22(2W)
R220
0.22(2W)
R229
0.22(2W)
R219
0.22(2W)
C205
15P
R209
1K
R205
56K
R203
820
C203
47/50
D205
DS1SS133
R201
1K
D201
DS1SS133
Q206
KTC3199 GR
C251
47/50
R262
56K
R278
56K
Q201
KTC3199 GR
R231
1K
IC201
STK40271(2Ch)
POWER AMP.
R225
10K
C215
0.022
R223
0.1
(1W)
D202
DS1SS133
Q202
KTC3199 GR
R232
1K
R226
10K
C216
0.022
R224
0.1
(1W)
R210
1K
R206
56K
C206
15P
C204
47/50
R204
820
C202
220P
R202
1K
C210
100/50
C201
220P
Q205
KTC3199 GR
R216
22K
R239
1K
C225
220P(CH)
C226
220P(CH)
R238
68K
R237
68K
R233
100K
R234
100K
R212
18K
C208
0.15
R211
18K
C247
47/50
C248
0.022
R241
68K
R242
68K
C219
10/50
C220
10/50
R235
1.8K
R236
1.8K
R240
1K
R221 4.7K
R217
18K
C218
100P(CH)
C228
2.2/50
C227
2.2/50
C249
47/25
C250
0.022
C214
0.022
R222
4.7K
R218
18K
R277
330
IC203
KIA4558P
OPE AMP.
8
7
6
5
4
3
2
1
R227
8.2K
R228
8.2K
5
2
7
1
6
4
3
8
15
14
13
12
11
9
8
6
7
5
4
3
2
1
10
+
+
–
–
IC802
IC802
KIA7810AP
VOLTAGE
REGULATOR
IC803
IC203
BI804
CNS804
Q813
KRA107 M
Q812
KRC107 M
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
+
–
–Vcc
Ch2
Ch2
Out
+
–
+Vcc
Ch1
Out
Ch1
-B
+B
Ch1
Out
Ch1
–
+
+V
c
7
6
5
4
3
2
1
8
TO MAIN
PWB
BI960
P56 6-H
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GN
A_+10V
A_GND2
R-CH
L-CH
+B
+B
+B
+B
+B
A_GND2
+B
+B
+B
+B
-B
TO MAIN
PWB
BI950
P57 8-H
-B
+B
+B
+B
D_GND
FAN_CTL
D_GND
-8V
AC_RLY CTL
UN_SW 5V
SP_RLY
SP_DET
A
B
C
D
A_+10V
A_GND
M_+10V
BIAS_GND
TO DECK
SECTION
P62 3-A
+5V
+5V
GND
GND
GND
+B
+B
+B
+B
-B
-B
+B +B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
+B
-B
+B
5
4
6
8
1
2
7
8
7
3
7
8
3
2
1
3
2
1
+B
+B
+B
+B
+B
8.4V
0V
0V
0V
0V
0V
0V
-8.2V
VOLTAGE
REGULATOR
5
4
6
1
2
3
5
1
3
4
6
2
+B
+B
+B
-B
+B
-0.2V
-0.2V
36V
37V
-35V
-37V
-36V
0V
0V
0V
0V
0V
-0.2V
-0.2V
4.6V
4.6V
4.6V
4.6V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
4.6V
-0.2V
-0.2V
30V
31V
0V
0V
-30V
11.3V
17V
12V
10V
17V
0V
8.6V
17V
17V
9.2V
9.8V
9.2V
-19.5V
-8.3V
-9V
(11.1V)
(5.1V)
(5.9V)
(11.1V)
(6.5V)
(0V)
(6.5V)
(2.5V)