Service manual
CD-M8000W/CP-M8000
– 20 –
A
B
C
D
E
F
G
H
1
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
Figure 20 SCHEMATIC DIAGRAM (3/10)
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0V
3.4V
3.4V
0V
0V
9.3V
9.3V
8.6V
18V
5V
A_+10V
18V
0V
0V
0.7V
0
V
0.7V
0V
3
2
1
2 4
23
2 2
21
20
19
18
17
16
15
14
13
1 2
11
1 0
9
8
7
7
4
1
6
5
4
3
2
1
2 4 2 3 22
1 2 3 4
21 20 19 1 8 17
5 6 7 8
16 1 5 14 13
9
10 11 12
3
2
1
1
2
3
3
2
1
3
2
A_+5V
GND(RECT)
LD +7V
LD +7V
CD_GND
CD_D_GND
D_GND
A_GND
M_GND
A_GND(A_PRO)
A_GND(MUTE)
GND(REG)
SW_5.6V
D_+5V
+B PROTECT
A_+10V
1
(TAPE)
SW+5V
GND(RECT)
REC_R
LVL-CTRL
LVL-CTRL
M_GND
L
A_+10V
S_MUT
E
–20dBA
T
L
M_+13V
SP_RLY
SP_DET
–15V
+B(16V)
M_GND(MTR)
A_GND
R_CH
L_CH
TO
POWER PWB
LBASS
RBASS
RTRE
R
R
12
13
1
2
3
4
5
6
7
8
9
10
11
BASE
CHASSIS
A_GND
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
CD
TUNER
DECK
AUX
DI
CE
VSS
LOUT
LTRE
LIN
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RIN
RSEL0
R4
R3
R2
R1
INTERFACE
CCB
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
LSEL0
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
–
+
+
–
+
Hich=T1
+
–
–
Hich=CHROME
56K
112K
56K
112K
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
–B
–B
+B
+B
2
2
1
1
3
3
IC601
LC75341
IC851
7812AP
IC852
KIA7810AP
IC853
KIA7805AP
IC101
AN7345K
CNP901
R-CH
L-CH
TAPE 2
RECORD/
PLAYBACK HEAD
ERASE HEAD
6
3
4
5
2
1
5
4
6
1
2
3
R-CH
L-CH
TAPE 1
PLAYBACK HEAD
T1_R
T1_L
A_GND
CNS102
1
3
2
6
3
4
5
2
1
7
3
1
2
SWITCHING
SWITCHING
Q104,Q106:
SWITCHING
Q103,Q105:
SWITCHING
Q110,Q111:
SWITCHING
SWITCHING
MUTING
MUTING
SYSTEM
MUTE
SYSTEM
MUTE
VOLTAGE
REGULATOR
P24 2 - G
CNS901
R878
22K
Q862
KTC3199 GR
R609
330
R610 330
R879
22K
Q863
KTC3199 GR
R868
6.8K
R869
6.8K
R612
6.8K
R611
6.8K
C613
10/50
C616
0.001
C615
0.001
Q606
KTC3199 GR
R622
2.2K
Q605
KTC3199 GR
C635
0.001
R621
2.2K
C636
0.001
Q604
KTC3199 GR
R616
2.2K
R614
560
R615
2.2K
Q603
KTC3199 GR
R613
560
R607
10K
C642
47P
R624
4.7K
C609
0.22
C607
0.22
R605
3.9K
C611
0.0015
C619
1/50
C621
10/50
C625
1/50
C623
1/50
C627
1/50
C629
1/50
R617
4.7K
C606
100/16
IC601
LC75341
AUDIO
PROCESSOR
C630
1/50
C
2
C610
0.22
C
1
C624
1/50
C628
1/50
R866
330
IC860
KIA4558P
IC
8
KIA4
5
OPE
1
R881
4.7K
C864
22/50
R875
100K
C863
22/50
R874
100K
R867
100K
R139
1.5K
R141
100
C135
0.022
C139
0.0033
R145
10K
C141
47/25
C133
22/25
R137
6.8K
R135
4.7K
C131
270P
C128
3.3/50
C113
330P
C117
0.033
R173
1K
C121
1/50
R125
5.6K
R131
12K
C123
0.0022
C127
0.022
C119
560P
R121
100K
R123
3.9K
R111
15K
R171
1K
R169
1K
C111
330P
R117
1K
R119
56
C115
100/25
R109
4.7K
Q107
KTC3199 GR
R107
47K
C107
560P
Q105
2SC1845F
Q103
2SC1845F
C105
180P
R105
3.3K
R103
2.2K
C101
560P
Q104
2SC1845F
Q106
2SC1845F
C106
180P
R104
2.2K
R106
3.3K
Q108
KTC3199 GR
C108 560P
R108
47K
R110
4.7K
R170
1K
R172
1K
R174
1K
C116
100/25
C114
330P
C112
330P
R118
1K
R120
56
C118
0.033
R122
100K
C122
1/50
R124
3.9K
C120
560P
C124
0.0022
C153
100/16
Q110
KRC104 M
Q111
KRC104 M
R114
10K
R115
4.7K
R113
10K
Q109
KTA1266 GR
R112
15K
C102
560P
R102
1K
R101
1K
LG1
CNP101
BI102
C856
3300/35
IC851
KAI7812AP
VOLTAGE
REGULATOR
D859
1SS133
C843
0.1
C851
0.047
D858
1SS133
C852
22/50
R854
22K
R859
22K
R860
220
C849
10/50
C847
22/50
ZD852
DZ8.2BSB
Q866
KTC2026
D857
1SS133
D852
1SS133
D851
1SS133
C855
0.1
R853
22K
C853
47/25
C854
0.1
C859
0.1
R852
10K
C857
47/25
C858
0.022
C869
10/50
IC854
AN78L05
VOLTAGE
REGULATOR
D863
1SS133
C845
0.047
C860
47/25
R155
150
R156 220K
Q122
KTC3199 GR
Q121
KTC3199 GR
R154
10K
R153
10K
R126
5.6K
R132
12K
R136
4.7K
R134
68K
C140
0.0033
R140
1.5K
R142
100
C136
0.022
R138
6.8K
C134
22/25
C132
270P
R146
10K
C142
47/25
C145
22/50
C146
220/10
R158
220
R619
22K
C617
2.2/50
R620
22K
C618
22/50
C899
10/50
D861
1SS133
C867
1/50
Q864
KRC102 M
R880
10K
R870
1K
D862
1SS133
R873
1K
R871
10K
Q865
KTC3199 GR
IC853
KIA7805AP
VOLTAGE
REGULATOR
IC852
KIA7810AP
VOLTAGE
REGULATOR
IC101
AN7345K
PLAYBACK AND RECORD/PLAYBACK AMP.