Chapter 6. Circuit Schematics And Parts Layout; Schematic Diagram - Sharp CD-MPX100E Service Manual

CD-MPX100E
E Market CD-MPX100E Service Manual CD-MPX100E Audio
CHAPTER 6.
CIRCUIT SCHEMATICS AND PARTS LAYOUT

[1] Schematic diagram

MAINPWB-A1 (1/3)
A
BI601
R-CH
1 1
A_GND
2 3
L-CH
3 4
CD_GND
4 5
D_5V
5 6
D_GND(DRIVER)
6
7
LD+7V
7 8
B
L-CH
1
D_GND(DRIVER)
13
R_CH
3
LD+7V
7
A_GND
14
D_5V
10
GND(CD_GND)
13
C
CD(A_GND)
17
D_GND
15
+B_PROTECT
9
M_+13.5V
6
A_+10V
8
SW_5V
12
SP_DET
5
D SP_RLY
4
GND(M_GND)
18
A_GND
14
E
TAPE 1
PLAYBACK HEAD
T1_R
1 1
A_GND
2 2
T1_L
3 3
CNP101
ERASE HEAD
M_GND
1 1
F
ERASE
2 2
T2_R2
3 3
A_GND
4 4
T2_R1
5 5
T2_L1
6 6
T2_L2
7 7
TAPE 2
CNP102
RECORD/
PLAYBACK HEAD
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
AUX SIGNAL
+B
+B
R619
330
R618
330
+B
+B
D601
1N4148H
+B
+B
+B
C102
560P
SWITCHING
Q102
C101
560P KTC3200 GR
0V
C104
180P(CH)
0V
0V
Q104
KTC3200 GR
SWITCHING
C103
180P
0V
0V
0V
2 3
Figure 6-1 SCHEMATIC DIAGRAM (1/10)
R607
C611
C627
R605
R613
10K
390
R611
2.2K
R610
2.2K
R612
390
-20dB
S_MUTE
+B
1
2 3
Q112
KRA102 M
R148
SWITCHING
4.7K
R112
15K
R102
3.3K
R151
1K
R101
3.3K
R114
R 3.3K
R104
2.2K
0.7V
0V
24
0V
0.7V
0V
R106
3.3K
1
L
R113
3.3K
0.7V
R152
0V
1K
R105
0V
3.3K
C111
0.7V
0V
100/25
R103
2.2K
R111 15K
4
6 – 1
AUDIO PRO
1
DI
CE
2
VSS
3
C609
1/50
LOUT
4
C607
C605
0.1
3.3K
LBASS
5
0.1(ML)
LTRE
0.0027
6
C613
1/50
0.0022
LIN
7
C615
LSEL0
8
C629
4.7/50
0.001
C617 1/50 L4
9
C619 1/50 L3
10
C633
0.001
C621
1/50
L2
11
C623
L1
12
1/50
R363
2.7K
SWITCHING
Q113
L KRC104 M
3.4V
0V
2 3
R136
1
220K
0V
0V
1
3.4V
0V
0.7V
2 3
0V
Q108
Q114 KTC3199 GR
KRC104 M MUTING
SWITCHING
R116
56
C112
C116
C114
100/25 R124
560P
0.033 12K
C118
47/25
R120
R118
3.9K
100K
R128
C126
5.6K
22/50
23 22 21 20 19 18 17
112K
-
+
Hich=T1 Hich=CHROME
- +
112K
2 3 4 5 6 7 8
C125
22/50
R129
5.6K
R119
R117
100K 3.9K
R123
12K
C113 C115
C117
0.033 560P
47/25
R115
56
5 6
CCB
INTERFACE
AUX
DEC
TUN
CD
IC60
LC75
R14
R
R138
10K
16
-
+
56K
+ 56K
-
9
C
47