Sharp CD-K7000W Service Manual page 24

CD-K7000W/C7000W,CP-C7000
C412
10/50
A
C410
47/25
B
R609
330
L_CH
1
A_GND
2
R_CH
3
A_GND
4
LVL-CTRL
5
+B
6
GND
7
C
M_+10V
8
-15V
9
-B
M_GND
10
SP_DET
11
SP_RLY
12
-B
UN_SW 5V
13
+5V
14
AC_RLY CON
15
VF2
16
-VF
17
D
VF1
18
CNS901
E
CHASSIS
PIN103
MECHA BASE
1 1
T1_R
2 2
A_GND
3 3
T1_L
F
TAPE1
PLAYBACK HEAD
CNS102
ERASE HEAD
M_GND
6 6 1
ERASE
5 5 2
T2_R2
4 4 3
3 3 4
A_GND
T2_R1
2 2 5
T2_L1
1 1 6
T2_L2
7
TAPE2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
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C408
C406
R404
0.0047
22P(CH) 1K
R412 R408
R410
R406
4.7K C402
2.2K 4.7K
7 6 5
820
2.2/50
4
IC401 +
KIA4558P
G
OPE AMP.
D
8
1 2 3
S
C405
R409
R405
22P
4.7K
820
R411 (CH)
R403
2.2K
1K
C407 D401
1 0.0047 1SS133
2 3
R415
Q401 C411
R420
4.7K KRA107M
3.3/50 2.2K
R621
R416
2.2K
220
C635
0.001
C636
0.001
R622
2.2K R614
Q606
330
KTC3199GR
+B
+B +B
+B
R620
C618
1/50 22K
+B
+B
+B
+B
R850
3.3
VOLTAGE
(1/2W)
REGULATOR
Q851
KIA7810AP
GND
1
3
M_GND
2
C855
0.1(ML)
+B
C858
0.1(ML)
+B
C109
R114
0.047
10K
R113
10K
R115
9.3V
Q109
4.7K
KTA1266GR 8.6V
SWITCHING
9.3V
C102 R112
15K
560P
R102
1K
R101
1K
Q104
C101
560P
2SC1845F
R108
0V
47K
0.7V
C106
0V
180P
R104
0V
0V
2.2K
R106
0V
3.3K
0.7V
0V
Q106
2SC1845F
Q105
2SC1845F
0V
0V
0.7V
R105 0V
0V
3.3K
0V
C105
0.7V
180P
R103
0V 2.2K
Q103
2SC1845F
2 3
Figure 24 SCHEMATIC DIAGRAM (4/11)
+B
C604
1
0.022
2
C606
100/16
3
R401
100K
4
C607
C609
R605 3.9K 0.1 0.1
5
C611 0.0027
6
C619 1/50
7
R607
10K
C621 4.7/50
8
R615
C623 1/50
9
2.2K
C625 1/50
10
C615
0.001
C627 1/50
11
C616
C629 1/50
0.001
12
R616
2.2K
+B
A_+10V +B
C617
R619
1/50 22K
+B
L
CONSTANT
VOLTAGE
+B
Q850
KTC2026
R851
33
M_GND
C856
R853
C857
0.1
22K
(ML) 47/25
A_GND
Q852
VOLAGE
KIA7805P
REGULATOR
+B
1 3
2 C860
R854
C859
47/25
0.1 10K
(ML)
L R
SWITCHING
R155
Q110 150 +B
KRC104M
R871
C153 Q864
10K KRC102M
3.4V 100/16
0V 2
3
3
1 Q865
2
KTC3199GR
0V 1
1
0V 3
3.4V
2 Q111
R870
KRC104M
1K
SWITCHING
LVL-CTRL
R120 C118 C120
R
56 0.033
560P
C124
C116
R122 0.0022
100/25
100K
L
R124
C122
3.9K
R118
1/50
1K
C112
C114
330P
330P
24 23 22 21 20 19
-
IC101
+ 112K
AN7345K
Hich=T1
+
112K
-
1 2 3 4 5 6
C111
330P L
R117
C113
1K
330P
R121 R123
100K
3.9K
C115
R125
100/25
5.6K
C117 C119 C121
0.033 560P 1/50
R119
R131
56
33K
R111
15K
IC101: PLAYBACK AND RECORD/
4
– 24 –
DI
24
CLK
+B
CE
23
VDD
CCB VREF C602 22/50
22
+
VSS
-
C608
INTERFACE ROUT
LOUT
21
0.1
C610
RBASS
20
0.1
LBASS
RTRE
C612
19
LTRE
C620 1/50
IC601
LIN RIN
18
LC75341
AUDIO PROCESSOR
C622 4.7/50
LSEL0 RSEL0
17
C624 1/50
R4
L4
AUX
16
C626 1/50
L3 R3
15
DECK
R2 C628 1/50
L2
14
TUNER
C630 1/50
L1 R1
13
CD
C637
0.001
R617
1.5K
-20dBATT
S_MUTE
R576
330
R864
R
150K
D860
R872
1SS133
1K
7
Q862
KTC3199GR
4
D862
R873
1SS133
1K
1
R878
22K
IC860
Q863
KIA4558P
R879
KTC3199GR
OPE AMP.
22K
C865
47/25
REC_R
R156
R880
220K
100K
Q121
D861
KTC3199GR
1SS133
MUTING
0V
0V R153
10K
0.7V
0.7V
R154
0V
0V 10K
C134
22/25
18 17 16 15 14 13
-
56K
Hich=CHROME
+
56K
-
10 11
7 8 12
9
C133
22/25
C141
47/25
R145
10K
PLAYBACK AMP.
5 6
R6
C614
10K
10/50
R606
3.9K
0.0027
R6
1.5
R
3
C
0
5
R8
6
22K
8
3 R
3
2
C
0
R
4
RE
R157
R6
220K
470
+B
11.6
R167
0
47K
0V
C154
0.047(ML
C150
0.0082