Sharp CD-E99 Service-Handbuch - Seite 12

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Sharp CD-E99 Service-Handbuch
CD-E99
CNS601
A
BI601
R-CH
1
1
A_GND
2
3
L-CH
4
3
CD_GND
4
5
+B
CD_+B
5
6
+B
6
7
D_GND
7
8
LD+7V
+B
8
9
LD+7V
10
A_5V
11
D+5V
12
B
CD_GND
13
L-CH
14
A_GND
15
R-CH
16
CD_D_GND
17
CD_A_GND
18
C
D
E
TAPE 1
PLAYBACK HEAD
1
2
3
F
ERASE
HEAD
1
2
3
4
5
6
7
TAPE 2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.
1
Q603, Q604: SYSTEM MUTE
R619
330
R618
330
CNP101
T1_R
C102
1
560P
A_GND
2
T1_L
C101
3
560P
SWITCHING
Q102
KTC3200 GR
0V
0V
M_GND
C104
1
180P
ERASE
2
T2_R2
0V
3
Q104
A_GND
KTC3200 GR
4
SWITCHING
T2_R1
5
T2_L1
6
T2_L2
7
CNP102
SWITCHING
C103
KTC3200 GR
180P
0V
0V
0V
Q101
KTC3200 GR
SWITCHING
2
Figure 12 SCHEMATIC DIAGRAM (1/10)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
R613
390
Q601
KTC3199 GR
R617
R615
2.2K
5.6K
R611
2.2K
R614
5.6K
R610
2.2K
R616
2.2K
Q602
KTC3199 GR
R612
390
9.3V
9.3V
R112
15K
R102
1K
R101
1K
R104
2.2K
0.7V
0V
0V
R106
3.3K
0.7V
0V
Q103
R109
0.7V
4.7K
0V
R105
0V
3.3K
0V
0.7V
R107
47K
R103
2.2K
3
4
– 12 –
R601
1K
R602
1K
LC75341
AUDIO PROCESSOR
1
DI
C609
R605
1/50
CE
10K
2
VSS
3
INTERFACE
LOUT
4
C605
C607
R607
0.1
0.12
LBASS
3.9K
5
C611
LTRE
0.0022
6
C613
1/50
LIN
7
C615
4.7/50
LSEL0
8
C617
1/50
L4
9
C619
1/50
L3
10
C621
1/50
L2
11
L1
12
C623
1/50
SWITCHING
Q113
KRC104 M
R146
R147
10K
10K
3.4V
0V
2
3
R148
1
4.7K
8.6V
0V
1
Q112
0V
3.4V
KTA1266 GR
2
3
SWITCHING
Q114
KRC104 M
SWITCHING
L
R
R116
R122
56
15K
C112
C116
R124
47/25
560P
5.6K
C114
0.033
C118
47/25
R118
100K
R120
3.9K
C110
R114
330P
1K
IC101
AN7345K
R
C108
330P
24
23
22
21
20
–
112K
+
Hich=T1
+
112K
–
1
2
3
4
5
L
C107
330P
R113
C109
1K
330P
IC101
AN7345K
PLAYBACK
R119
3.9K
AND
R117
100K
C117
RECORD/
47/25
PLAYBACK
C113
0.033
R123
AMP.
C115
5.6K
560P
C111
47/25
R121
R115
15K
56
R111
15K
5
IC601
C653
C601
220P
220/16
24
CLK
+B
23
VDD
C603
CCB
22/50
VREF
– +
22
C608
0.12
ROUT
21
RBASS
20
C606
RTRE
0.1
19
RIN
C614
1/50
18
C616
4.7/50
RSEL0
17
C618
1/50
R4
AUX
16
R3
C620
1/50
DECK
15
C622
1/50
R2
TUNER
14
R1
CD
13
C624
1/50
R149
150
R136
220K
REC_R
R139
R138
10K
10K
0.7
0.7V
Q1
0V
Q108
KTC31
KTC3199 GR
MUT
MUTING
R128
C126
5.6K
22/50
19
18
17
16
15 14
13
–
+
56K
Hich=CHROME
+
56K
–
6
7
8
9
10
11
12
C125
22/50
6