Service manual
CD-CH1500H/CD-CH1500W
– 32 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
Figure 32 SCHEMATIC DIAGRAM (11/14)
CD-CH1500H
A
B
C
D
+B
+B
+B
+B
5
4
6
1
2
3
5
4
6
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
1 2 3
4 5 6 7 8 9
10
11
12
13
14 15
10
1 2
3
4 5 6 7 8 9
11
1 2 3
+B
+B
+B
IC802
BI950
P25 8 - H
TO MAIN PWB
BI960
P24 6 - H
TO MAIN PWB
6
5
4
6
1
2
3
5
1
3
4
6
2
FM SIGNAL
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
-B
+B
-B
+B
-B
+B
+B
-B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
A_+10V
A_GND
M_+10V
BIAS_GND
P31 9 - A
TO DECK SECTION
D_GND
FAN_CTL
D_GND
-8V
AC_RLY CTL
UN_SW 5V
SP_RLY
SP_DET
8
3
4
6
1
7
2
5
A_GND2
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GND
A_+10V
A_GND2
R-CH
L-CH
15
14
13
12
11
9
8
6
7
5
4
3
2
1
10
+
+
–
–
–Vcc
+Vcc
Ch1
Ch2
Ch2
Out
Out
Ch1
8
7
5
4
3
2
1
+
+
–
–
3
2
1
Ch1
Out
Ch2
Out
Ch1
–
+
+Vcc
–Vcc
1 2 3
1 2 3
Q813
KRA107M
Q812
KRC107M
C844
3.3/50
1
23
1
2
3
Q809, Q810: VOLTAGE REGULATOR
C247
47/50
C226
220P(CH)
C227
2.2/50
R204
820
LED801
K5052UL
R836
270
RP807
0.7
Posistor
R835
56
R834
56
FR252
100(1/4W)
Fusible
CNP807
FR213
100(1/4W)
Fusible
FR214
100(1/4W)
Fusible
R830
100
CNP805
BI804
D802
DS1N40
C2
100
C209
100/50
C821
100/25
C820
0.047
(ML)
C822
10/50
C252
2200/50
C253
3300/63
R803
22K
R821
470
C838
220/16
Q810
KTC3199 GR
DZ804
MTZJ10B
R822
1.5K
C840
0.022
C837
0.022
RP803
0.7
Posistor
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
IC202
STK40204(2Ch)
POWER AMP.
C238
100/50
D204
DS1SS133
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
R298
22K
R297
22K
R828
22K
R829
22K
Q204
KTC3199 GR
C242
10/50
C241
10/50
R255
0.1(1W
C239
0.022
R25
10K
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
C223
10/50
C224
10/50
Q202
KTC3199 GR
R232
1K
R226
10K
C216
0.022
R224
0.1(1W)
R210
1K
R206
56K
C206
15P
C204
47/50
C202
220P
R202
1K
C210
100/50
C201
220P
Q205
KTC3199 GR
R216
22K
R239
1K
BI808
C225
220P(CH)
R238
68K
R237
68K
R233
100K
R234
100K
R212
18K
C208
0.15
R211
18K
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
C249
47/25
C250
0.022
(ML)
C214
0.022
R222
4.7K
R218
18K
R277
330
IC203
R227
8.2K
R228
8.2K
Q809
2SD2012
R813
1.5K
IC802
KIA7810AP
VOLTAGE
REGULATOR
CNS804
I
C203
KIA4558P
OPE AMP.
CNS808
-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
8.4V
-8.2V
0V
0V
0V
0V
0V
0V
11.3V 17V
12V
10V
17V
0V
8.6V
17V
17V
9.2V
9.8V
9.2V
-19.5V
-8.3V
-9V
-0.2V
-0.2V
30V
31V
0V
0V
0V
0V
-30V
-31V
0V
0V
4.6V