Sharp SD-AT1000 Service Manual page 30

SD-AT1000
A
C15
100P(CH)
C14 L01
2.2 µH
100P
(CH)
LUG3
HEADPHONES PWB-A3
B
C
RIN
3
LIN
4
ROUT1
5
LOUT1
6
ROUT2
7
LOUT2
8
ROUT3
9
LOUT3
10
A_GND
12
D
D_+5V +B
13
PROTECT
1
E
27
L_MUTE
27
W_S_MUTE
26
F_S_MUTE
25
C_S_MUTE
24
S_S_MUTE
23
S_MUTE
22
FUN_LOCK
21
PROTECT
20
+B_CHECK
19
18
17
A/D_RESET
16
OFFSETPROTECT
15
CCB_CE
14
CCB_DO
13
CCB_CL
12
CCB_DI
11
P_CONT_LEVEL
10
H.P_SW
9
VOL_DA
8
VOL_CL
7
BASS_SW
6
F
CONFIG
5
9V
A_+9V
4
D_+5V
+B
3
GND(U-COM)
2
UCON5V
1
1 CNP501
FFC701
+B
DGND
2
A_+9V
A_+9V
11
G
PROTECT
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
1
All manuals and user guides at all-guides.com
R-CH
1
R_CH
1 1
A_GND
A_GND
3 2 2
L-CH L_CH
4 3 3
D_GND D_GND
5 4 4
H.P SW H.P SW
6 5 5
Q501
KRA107 S
3 2
CONFIG
Q528 3
KRC107 S
1 1
Q502
KRA107 S
3
C526
R510 1
2.2/50
1.8K
R509
C525
1.8K
2.2/50
R508 R507
100K 100K
C528
2.2/50
C512
R512 220
0.015
R511 220
C527
R514 R513 C533
C534
2.2/50 100K 0.015
100K 0.015
C530 R516 220
2.2/50
R515 220
C529 R518 R517 C535
C536
0.015
2.2/50 100K 100K
0.015
C532
SW
2.2/50 R520 220
CENTER
R519 220
C531 R522 R521 C537
C538
2.2/50 100K 100K 0.015
0.015
+B
24 23 22 21 20 19 18 17
IN2MIX
25
IN DSPSR
26 IN DSPSL
27 INDSPC
28 IN DSPSW
29 AGND1
30
C501 GOUTSW
10/16
31 VINSW
32 AGND2
33 GOUTC
C502
10/16
34 VINC
35
OUTSW
36 OUTC
37 OUTSL
38 OUTSR
39 VINSL
C503
10/16
40 GOUTSL
AGND3
41 42 43 44 45 46 47
+B
C504
10/16
D537
DS1SS133
+B
D538
DS1SS133
C183
0.001
+B
+B
2 3
Figure 30 SCHEMATIC DIAGRAM (1/11)
JT501
LINE1 INPUT/
OUTPUT TERMINAL
R536 R535
R640
18K 18K
6.8K
C656 C658
47P(CH)
1/50
C662 C661 47P(CH)
47P 47P
R642 R641
(CH) (CH) 18K 18K
D501
DS1SS133
D502
DS1SS133
R671
100
R649
100K
-B
2
R672
100
R648
100K
-B
2
+B
-B
+B
+B
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IN31
IN22
80
IN21 79
TUN_R
IN12 78
TUN_L
IN11
77
ROUT32
76
ROUT31
75
ROUT22
74
IC501
ROUT21 73
BD3811K1
ROUT12 72
VOLUME IC ROUT11
71
AGND10
70
GOUT2
69
C524
10/16
VIN2 68
AGND9
67
GOUT1
66
C523
VIN1 10/16
65
TNF2
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
R504
4.7K
C517~C520: 0.082
C664
100P
(CH)
+B
4
– 30 –
JT502
LINE2/LINE3
INPUT TERMINAL
C171
0.0022
R639 R635 R632 R631
R636
6.8K
6.8K 6.8K 6.8K 6.8K
C651
1/50 C646
C655 C648 C645
C652 C654
1/50
1/50 1/50 47P(CH) 47P(CH) 1/50
C657 C653 C647
47P
47P(CH)
(CH)
R638 R637 R634 R633
18K 18K
18K 18K
KTC2875 B
C673
C671 C677
100P R679
10/16
1K 10/16 MON_OUTL
(CH)
+B
5 6 7 8
–
+
R683
+B
+ 180
+12V +12V
–
C672 C678
4 3 2 1 R680
10/16 10/16
1K
–12V
-B
-B
R684
180
+B
C633
R583
10/16
100K
R584
C634 100K
10/16
-B
Q503
2SK208
+B
+B
-B
+B
R561
1K
+B
+B
R562
1K
OUTSR_LCH
A_GND
OUTSR_RCH
OUTC
OUTSW
5 6
L_M
R565
100K
Q5
2S
R566
10K
Q531
R563
KTC2875 B
2.2K
R564
2.2K
Q532
R627
150 +B
C665
220/16
R669
15K
C641
0.022 R587
82K
C63
C637 100/1
R585
33P
10K
(CH)
5 6 7 8
–
+
– +
4 3 2 1
R586
10K
C642
R588 C64
82K 100/1
0.022
R670
C666 15K
220/16
R626
150
Q599
KTC2875
Q598
KTC287
-B