Sharp SD-AS10H(S) Service Manual page 94

SD-AS10H
A
AMP_PWDN
79
SYS_PWDN
80
AMP_MODE
81
AMP_CND
82
AMP_CLK
83
AMP_STB
84
B
FUNC_DIG
85
VOL_DA_TERM
86
VOL_CLK_TERM
87
L_MUTE
88
SW_SP_PWR
89
SACD
90
VOL_DA
46
VOL_CLK
47
C
W_S_MUTE
35
F_S_MUTE
36
C_S_MUTE
37
S_S_MUTE
38
+B_CHECK
40
PROTECT
91
PROTECT MAIN
D
41
FAN_LOCK_2
39
3.3V REGULATOR
L4931Z33
UNSW_+5V
3
32
+B
C717
1
E 33
UNSW+5V_GND
D_+5V_MICOM
11
SP_RLY_SPK
51
F
SP_RLY_1BIT
77
A/D_RESET
78
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
6 - 15 1 - E
L M N P Q
+B
FUNC_DIG
L_MUTE
C750 1
R791
12K
R751
68K
PROTECT_DSP
TUNER_SM
IC702
R780
D702
10K
1N4148H
UNSW+3.3V
+B
+B
1
D701
GD1N4004
2
C716
C715
1 1
UCOM_GND
Q701
KRC104 S
3
1
R701
4.7K
2
3
1
Q702
KRC104 S
2
+B
Q703
Q704
KRC104 S
KRC104 S
2 3 2 3
1 1
+B
D_+5V +B
3
+B
2
REGULATOR
2 3
Figure 6-17 SCHEMATIC DIAGRAM (5/18)
+B R760
10K
R784
10K
80 79 78 77 76 75
81 DT CONT
R776
82 FUNC DIG
1K
R770 DIG IN SEL
83
1K
L_MUTE
84
1 8
W_S_MUTE
2 85
7
86 F_S_MUTE
3 6
C_S_MUTE
4 5 87
R704
S_S_MUTE
88
1K
S_MUTE
89
R769 1K
+B_CHECK
90
R768 1K
91 PROTECT
R727
1K
R767
92 A/D_RESET
10K
R766
FAN_LOCK_2
93
1K
94 TUNER_SM
R717
R735
1K
10K
IDP_KEY_IN
95
R781
1K
GND
96
100 IDP MODE
NC
97
L701
2.2 µH
VREF
98
+B
AVCC
99
100
1 2 3 4 5 6 7
R782
10K
4 3 1
2
5 6 7 8
C705
100P
(CH)
R757
100K
C706~C708: 100P(CH)
+B
+B
+B
R721
100K
UNSW+3.3V
+B
R730
1
150
+B
R726
150
IC703
L4931Z33
3.3V
RESET
C723 C724
POINT
470/10
470/10
4
6 – 17
6 - 15 1 - D, G
6 - 16 12 - D
76 97 50
+B
C714
100/16
4 3 2 1
C713
0.1
5 6 7 8
74 73 72 71 70 69 68 67 66 65 64 63 62 61
IC701
IXA030AW
SYSTEM MICROCOMPUTER
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
4
R788
10K
5
+B
Q705
R709
KRC104 S
10K
C728
10/50
R731
680
Q706
RESET
C729
KRC104 S
4.7/50
IC704
1 2
PST9127
2 3
1
3
C726
C725
0.1
C727
0.1
0.1
UCOM_GND
5
48 49 34
4 3 2 1
5 6 7 8
60 59 58 57 56 55 54 53 5
INDICA
DS
DS
DS
DSP
FLAS
D
25 26 27 28 2
3 2 1
6 7 8
C709~C712: 100P(CH
C766
1
R789
10
+B
+B
6