Sharp CD-C811W Service Manual page 28

CD-C811W/821W
CD-C821W
A
R-CH
1
A_GND
2
L-CH
3
CD_GND
B
4
+7V
5
+12V
6
CNS401
C
D
E
TAPE1
PLAYBACK HEAD
R-CH
L-CH
TAPE2
F
RECORD/PLAYBACK HEAD
ERASE
HEAD
R-CH
L-CH
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
+B
R429
270
1
2
R430
3
270
4
+B
5
6
BI401
CD_+B
10
CD_GND
11
L_IN
12
A_GND
13
R_IN
14
A_+12V
15
M_GND
16
CNS101
TAPE1_R
1
1
A_GND
2
2
TAPE1_L
3
3
CNP501
CNS102
M_GND 1
1
ERASE 2
2
TAPE2_R2 3
3
A_GND 4
4
TAPE2_R1 5
5
TAPE2_L1 6
6
TAPE2_L2
7
7
CNP502
MAIN PWB-A2
2
Figure 28 SCHEMATIC DIAGRAM (11/15)
R401 R404
330 10K
Q401
KTC3199 GR
R405
C401
0V
2.2K
0.001
MUTING
0V
0V
0V
MUTING
C402
R406
0.001
0V
2.2K
Q402
KTC3199 GR
R402 R403
330 10K
R407
C403
22K
22/25
C505
R508
0.047
10K
R503
10K
R509
10K
9.6V
8.86V
Q501
KTA1266 GR
9.6V
SWITCHING
C501
0.001
C502
0.001
Q502
2SC2389 SE
SWITCHING
R501
10K
0V
0.7V
C503
180P
R504
0V 2.2K
R505
3.3K
0.7V
0V
Q503
2SC2389 SE
SWITCHING
SWITCHING
Q504
C504
2SC2389 SE
0V
180P
0.7V
R506
0V
3.3K
0.7V
R507
0V
2.2K
Q505
2SC2389 SE
SWITCHING
3 4
– 28 –
R427
47K
C406
4.7/50
R416 1.5K
R415 1.5K R414
1.5K
C407
C411(ML)
4.7/50 NC
0.033
C412
0.068
R410 R412
3.3K
330
C404
R413
10/50
2.2K C413
R408
10/50
10K
C414
0.022(ML)
ZD401
R409
DZ2.4BSB
10K
R411
C405
3.3K
10/50
R516
150
Q510,Q511:TAPE MUTING
SWITCHING
SPARE
Q508
KRC104 M
R519
5.6K
3.94V
0V
R521
2 3 C508
100/16 220K
1
5.8V
1
Q510
KTC3199 GR
3
0V
2 Q509
4.61V
KRC104 M R520
5.6K
SWITCHING
R514
1K
C516
0.033
C514
R515
47/25
1K
C511
R517
1K 330P
C509
0V 0V 0V
330P
24 23
0V
0V
0V
0V
1 2
C510
330P
R518
C512
1K
330P
0V
0V
C515
47/25
C517
0.033
R523
56
5
AUDIO
PROCESSOR
IC401
M62439SP
1 0V 0V 20
R422 1.5K
0V
2 19
0V
R421 1.5K
0V
3 0V 18
R420 1.5K
0V
4
0V 17
NC
5 0V 16
0V
C415 0.0
6 0V 15
0V
C416 0.0
7 0V 0V 14
8 0V
13
0V
9
12
2.68V 11
10
R418
C4
3.9K
10
R417
560 (1/2W)
+B
R528
1K
R529
5.6K
R535
R
220K
8
0V
4.5V
R530
0V
5.6K
R533
R522
33K
56
C518
560P
R531
5.6K
L501
2.2mH
C520
1/50
0V
0.8V
0.6V
22 21 20 19 18
–
112K
+
IC501
Hich=T1
AN7345K
+
112K
–
4
3 5 6 7
0.6V
0.8V 0V
C525
L502
3.3/50
2.2mH
C521
1/50
C523
0.022
R532
5.6K
C519
560P
R534
33K
R538
22K
6