Sharp CD-C471H Service Manual page 55

Cp-c471h, center(gboxs0006awm5) and surround(gboxs0007awm5) speaker system constitute cd-c471h
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IC701 RH-iX0170AWZZ:System Microcomputer (IX0170AW) (2/2)
Pin No.
Port Name
71
VLOAD
72-76
P105/FIP15-P101/FIP11 S04-S00
77
P100/FIP10
78-80
P97/FIP9-P95/FIP7
IC601 VHiLC75396N-1:Audio Processor (LC75396N)
IC501 VHiLV1035M/-1: Dolby Pro Logic Decorder (LV1035M)
L_BPF3
49
DC_OUT3
50
R_RECT
51
DC_OUT4
52
L_RECT
53
VLR_TH
54
VLR_1
55
VLR_2
56
VCS_2
57
VCS_1
58
VCS_TH
59
L+R_RECT
60
DC_OUT2
61
L_R_RECT
62
DC_OUT1
63
R_BPF3
64
Terminal Name
Input/Output
VLOAD
Output
G10
Output
G09-G07
Output
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
49
LSELO
50
LINVIN1
51
L5
52
L4
53
L3
54
L2
55
L1
56
VDD
57
R1
58
R2
59
R3
60
R4
61
R5
62
RINVIN1
63
RSELO
64
RTIN
1
2
3
4
5
6
7
8
Figure 55-1 BLOCK DIAGRAM OF IC
48
47
46
45
44
43
42
R
L
R
L
PG
PG
1
2
3
4
5
6
7
Figure 55-2 BLOCK DIAGRAM OF IC
Negative power supply for FL drive To be connected to -30V
FL display tube segment drive
FL display tube grid drive
FL display tube grid drive
32
LFCOM
31
LFOUT
30
CIN
29
LRCOM
28
COUT
27
LVref
26
VSS
25
CE
24
DI
23
CL
22
Vref
21
RVref
20
RROUT
19
RRCOM
18
RRIN
17
RFOUT
9 10 11 12 13 14 15 16
41
40
39
38
37
36
SW7
A
B
23PIN
15PIN
R
L
L
C
S
R
L
8
9
10
11
12
13
– 55 –
CD-C471H
Function
35
34
33
OSC
32
OSC
31
VDD
30
A/D
29
NS
28
D/A
27
DC_OUT
26
DC_OUT
25
B
SW7
L_OUT
L
24
A
B
SW7
R_OUT
R
23
A
S
S_OUT
22
D_GND
21
IREF
20
DET
19
S
VCC
18
R
S
17
DIRAY_OUT
14
15
16

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